Merge pull request #45836 from mbohlool/openapi_pb

Automatic merge from submit-queue

Add protobuf binary version of OpenAPI spec

Fixes #45833
Partially fixes #42841

```release-note
OpenAPI spec is now available in protobuf binary and gzip format (with ETag support)
```

Godeps/Godeps.json

@@ -1219,6 +1219,22 @@
 			"ImportPath": "github.com/golang/protobuf/proto",
 			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
 		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/any",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/duration",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/timestamp",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
 		{
 			"ImportPath": "github.com/google/btree",
 			"Rev": "7d79101e329e5a3adf994758c578dab82b90c017"
@@ -1452,6 +1468,18 @@
 			"ImportPath": "github.com/google/gofuzz",
 			"Rev": "44d81051d367757e1c7c6a5a86423ece9afcf63c"
 		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/OpenAPIv2",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/compiler",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/extensions",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
 		{
 			"ImportPath": "github.com/gophercloud/gophercloud",
 			"Rev": "b06120d13e262ceaf890ef38ee30898813696af0"
@@ -2700,10 +2728,6 @@
 			"ImportPath": "google.golang.org/api/cloudmonitoring/v2beta2",
 			"Rev": "e3824ed33c72bf7e81da0286772c34b987520914"
 		},
-		{
-			"ImportPath": "google.golang.org/api/compute/v0.alpha",
-			"Rev": "e3824ed33c72bf7e81da0286772c34b987520914"
-		},
 		{
 			"ImportPath": "google.golang.org/api/compute/v0.beta",
 			"Rev": "e3824ed33c72bf7e81da0286772c34b987520914"

Godeps/LICENSES

@@ -39399,6 +39399,162 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ================================================================================
 
 
+================================================================================
+= vendor/github.com/golang/protobuf/ptypes licensed under: =
+
+Go support for Protocol Buffers - Google's data interchange format
+
+Copyright 2010 The Go Authors.  All rights reserved.
+https://github.com/golang/protobuf
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+= vendor/github.com/golang/protobuf/LICENSE 14db3a56c3796a940ba32948a15f97d0  -
+================================================================================
+
+
+================================================================================
+= vendor/github.com/golang/protobuf/ptypes/any licensed under: =
+
+Go support for Protocol Buffers - Google's data interchange format
+
+Copyright 2010 The Go Authors.  All rights reserved.
+https://github.com/golang/protobuf
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+= vendor/github.com/golang/protobuf/LICENSE 14db3a56c3796a940ba32948a15f97d0  -
+================================================================================
+
+
+================================================================================
+= vendor/github.com/golang/protobuf/ptypes/duration licensed under: =
+
+Go support for Protocol Buffers - Google's data interchange format
+
+Copyright 2010 The Go Authors.  All rights reserved.
+https://github.com/golang/protobuf
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+= vendor/github.com/golang/protobuf/LICENSE 14db3a56c3796a940ba32948a15f97d0  -
+================================================================================
+
+
+================================================================================
+= vendor/github.com/golang/protobuf/ptypes/timestamp licensed under: =
+
+Go support for Protocol Buffers - Google's data interchange format
+
+Copyright 2010 The Go Authors.  All rights reserved.
+https://github.com/golang/protobuf
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+    * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+    * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+= vendor/github.com/golang/protobuf/LICENSE 14db3a56c3796a940ba32948a15f97d0  -
+================================================================================
+
+
 ================================================================================
 = vendor/github.com/google/btree licensed under: =
 
@@ -48987,6 +49143,639 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ================================================================================
 
 
+================================================================================
+= vendor/github.com/googleapis/gnostic/compiler licensed under: =
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+
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+= vendor/github.com/googleapis/gnostic/LICENSE b1e01b26bacfc2232046c90a330332b3  -
+================================================================================
+
+
+================================================================================
+= vendor/github.com/googleapis/gnostic/extensions licensed under: =
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
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+      and conversions to other media types.
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+      Object form, made available under the License, as indicated by a
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+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
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+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
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+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
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+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+= vendor/github.com/googleapis/gnostic/LICENSE b1e01b26bacfc2232046c90a330332b3  -
+================================================================================
+
+
+================================================================================
+= vendor/github.com/googleapis/gnostic/OpenAPIv2 licensed under: =
+
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
+
+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
+      the Work and Derivative Works thereof.
+
+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
+      submitted to Licensor for inclusion in the Work by the copyright owner
+      or by an individual or Legal Entity authorized to submit on behalf of
+      the copyright owner. For the purposes of this definition, "submitted"
+      means any form of electronic, verbal, or written communication sent
+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+      Work and such Derivative Works in Source or Object form.
+
+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
+      use, offer to sell, sell, import, and otherwise transfer the Work,
+      where such license applies only to those patent claims licensable
+      by such Contributor that are necessarily infringed by their
+      Contribution(s) alone or by combination of their Contribution(s)
+      with the Work to which such Contribution(s) was submitted. If You
+      institute patent litigation against any entity (including a
+      cross-claim or counterclaim in a lawsuit) alleging that the Work
+      or a Contribution incorporated within the Work constitutes direct
+      or contributory patent infringement, then any patent licenses
+      granted to You under this License for that Work shall terminate
+      as of the date such litigation is filed.
+
+   4. Redistribution. You may reproduce and distribute copies of the
+      Work or Derivative Works thereof in any medium, with or without
+      modifications, and in Source or Object form, provided that You
+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
+          attribution notices from the Source form of the Work,
+          excluding those notices that do not pertain to any part of
+          the Derivative Works; and
+
+      (d) If the Work includes a "NOTICE" text file as part of its
+          distribution, then any Derivative Works that You distribute must
+          include a readable copy of the attribution notices contained
+          within such NOTICE file, excluding those notices that do not
+          pertain to any part of the Derivative Works, in at least one
+          of the following places: within a NOTICE text file distributed
+          as part of the Derivative Works; within the Source form or
+          documentation, if provided along with the Derivative Works; or,
+          within a display generated by the Derivative Works, if and
+          wherever such third-party notices normally appear. The contents
+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
+          or as an addendum to the NOTICE text from the Work, provided
+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+
+= vendor/github.com/googleapis/gnostic/LICENSE b1e01b26bacfc2232046c90a330332b3  -
+================================================================================
+
+
 ================================================================================
 = vendor/github.com/gophercloud/gophercloud licensed under: =
 
@@ -81788,41 +82577,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ================================================================================
 
 
-================================================================================
-= vendor/google.golang.org/api/compute/v0.alpha licensed under: =
-
-Copyright (c) 2011 Google Inc. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-= vendor/google.golang.org/api/LICENSE a651bb3d8b1c412632e28823bb432b40  -
-================================================================================
-
-
 ================================================================================
 = vendor/google.golang.org/api/compute/v0.beta licensed under: =
 

hack/update-federation-openapi-spec.sh

@@ -63,7 +63,7 @@ kube::log::status "Starting federation-apiserver"
   --cert-dir="${TMP_DIR}/certs" \
   --token-auth-file=$TMP_DIR/tokenauth.csv >/tmp/openapi-federation-api-server.log 2>&1 &
 APISERVER_PID=$!
-kube::util::wait_for_url "${API_HOST}:${API_PORT}/" "apiserver: "
+kube::util::wait_for_url "${API_HOST}:${API_PORT}/healthz" "apiserver: "
 
 kube::log::status "Updating " ${OPENAPI_ROOT_DIR}
 

staging/src/k8s.io/apiserver/Godeps/Godeps.json

@@ -382,6 +382,22 @@
 			"ImportPath": "github.com/golang/protobuf/proto",
 			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
 		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/any",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/duration",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/timestamp",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
 		{
 			"ImportPath": "github.com/google/btree",
 			"Rev": "7d79101e329e5a3adf994758c578dab82b90c017"
@@ -390,6 +406,18 @@
 			"ImportPath": "github.com/google/gofuzz",
 			"Rev": "44d81051d367757e1c7c6a5a86423ece9afcf63c"
 		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/OpenAPIv2",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/compiler",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/extensions",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
 		{
 			"ImportPath": "github.com/gophercloud/gophercloud",
 			"Rev": "b06120d13e262ceaf890ef38ee30898813696af0"

staging/src/k8s.io/apiserver/pkg/server/openapi/BUILD

@@ -32,8 +32,11 @@ go_library(
     deps = [
         "//vendor/github.com/emicklei/go-restful:go_default_library",
         "//vendor/github.com/go-openapi/spec:go_default_library",
+        "//vendor/github.com/golang/protobuf/proto:go_default_library",
+        "//vendor/github.com/googleapis/gnostic/OpenAPIv2:go_default_library",
+        "//vendor/github.com/googleapis/gnostic/compiler:go_default_library",
+        "//vendor/gopkg.in/yaml.v2:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/openapi:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/util/json:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/server/mux:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/util/trie:go_default_library",
     ],

staging/src/k8s.io/apiserver/pkg/server/openapi/openapi.go

@@ -17,16 +17,25 @@ limitations under the License.
 package openapi
 
 import (
+	"bytes"
+	"compress/gzip"
+	"crypto/sha512"
+	"encoding/json"
 	"fmt"
+	"gopkg.in/yaml.v2"
+	"mime"
 	"net/http"
 	"reflect"
 	"strings"
+	"time"
 
 	"github.com/emicklei/go-restful"
 	"github.com/go-openapi/spec"
+	"github.com/golang/protobuf/proto"
+	"github.com/googleapis/gnostic/OpenAPIv2"
+	"github.com/googleapis/gnostic/compiler"
 
 	"k8s.io/apimachinery/pkg/openapi"
-	"k8s.io/apimachinery/pkg/util/json"
 	genericmux "k8s.io/apiserver/pkg/server/mux"
 	"k8s.io/apiserver/pkg/util/trie"
 )
@@ -34,18 +43,40 @@ import (
 const (
 	OpenAPIVersion  = "2.0"
 	extensionPrefix = "x-kubernetes-"
+
+	JSON_EXT = ".json"
+
+	MIME_JSON = "application/json"
+	// TODO(mehdy): change @68f4ded to a version tag when gnostic add version tags.
+	MIME_PB    = "application/com.github.googleapis.gnostic.OpenAPIv2@68f4ded+protobuf"
+	MIME_PB_GZ = "application/x-gzip"
 )
 
 type openAPI struct {
 	config       *openapi.Config
 	swagger      *spec.Swagger
+	swaggerBytes []byte
+	swaggerPb    []byte
+	swaggerPbGz  []byte
+	lastModified time.Time
 	protocolList []string
 	servePath    string
 	definitions  map[string]openapi.OpenAPIDefinition
 }
 
+func computeEtag(data []byte) string {
+	return fmt.Sprintf("\"%X\"", sha512.Sum512(data))
+}
+
 // RegisterOpenAPIService registers a handler to provides standard OpenAPI specification.
 func RegisterOpenAPIService(servePath string, webServices []*restful.WebService, config *openapi.Config, mux *genericmux.PathRecorderMux) (err error) {
+
+	if !strings.HasSuffix(servePath, JSON_EXT) {
+		return fmt.Errorf("Serving path must ends with \"%s\".", JSON_EXT)
+	}
+
+	servePathBase := servePath[:len(servePath)-len(JSON_EXT)]
+
 	o := openAPI{
 		config:    config,
 		servePath: servePath,
@@ -64,14 +95,38 @@ func RegisterOpenAPIService(servePath string, webServices []*restful.WebService,
 		return err
 	}
 
-	mux.UnlistedHandleFunc(servePath, func(w http.ResponseWriter, r *http.Request) {
+	mime.AddExtensionType(".json", MIME_JSON)
-		resp := restful.NewResponse(w)
+	mime.AddExtensionType(".pb-v1", MIME_PB)
-		if r.URL.Path != servePath {
+	mime.AddExtensionType(".gz", MIME_PB_GZ)
-			resp.WriteErrorString(http.StatusNotFound, "Path not found!")
+
-		}
+	type fileInfo struct {
-		// TODO: we can cache json string and return it here.
+		ext  string
-		resp.WriteAsJson(o.swagger)
+		data []byte
-	})
+	}
+
+	files := []fileInfo{
+		{".json", o.swaggerBytes},
+		{"-2.0.0.json", o.swaggerBytes},
+		{"-2.0.0.pb-v1", o.swaggerPb},
+		{"-2.0.0.pb-v1.gz", o.swaggerPbGz},
+	}
+
+	for _, file := range files {
+		path := servePathBase + file.ext
+		data := file.data
+		etag := computeEtag(file.data)
+		mux.HandleFunc(path, func(w http.ResponseWriter, r *http.Request) {
+			if r.URL.Path != path {
+				w.WriteHeader(http.StatusNotFound)
+				w.Write([]byte("Path not found!"))
+				return
+			}
+			w.Header().Set("Etag", etag)
+			// ServeContent will take care of caching using eTag.
+			http.ServeContent(w, r, path, o.lastModified, bytes.NewReader(data))
+		})
+	}
+
 	return nil
 }
 
@@ -107,9 +162,42 @@ func (o *openAPI) init(webServices []*restful.WebService) error {
 			return err
 		}
 	}
+
+	o.swaggerBytes, err = json.MarshalIndent(o.swagger, " ", " ")
+	if err != nil {
+		return err
+	}
+	o.swaggerPb, err = toProtoBinary(o.swaggerBytes)
+	if err != nil {
+		return err
+	}
+	o.swaggerPbGz = toGzip(o.swaggerPb)
+	o.lastModified = time.Now()
+
 	return nil
 }
 
+func toProtoBinary(spec []byte) ([]byte, error) {
+	var info yaml.MapSlice
+	err := yaml.Unmarshal(spec, &info)
+	if err != nil {
+		return nil, err
+	}
+	document, err := openapi_v2.NewDocument(info, compiler.NewContext("$root", nil))
+	if err != nil {
+		return nil, err
+	}
+	return proto.Marshal(document)
+}
+
+func toGzip(data []byte) []byte {
+	var buf bytes.Buffer
+	zw := gzip.NewWriter(&buf)
+	zw.Write(data)
+	zw.Close()
+	return buf.Bytes()
+}
+
 func getCanonicalizeTypeName(t reflect.Type) string {
 	if t.PkgPath() == "" {
 		return t.Name()
@@ -407,7 +495,7 @@ func (o *openAPI) buildParameter(restParam restful.ParameterData, bodySample int
 	case restful.HeaderParameterKind:
 		ret.In = "header"
 	case restful.FormParameterKind:
-		ret.In = "form"
+		ret.In = "formData"
 	default:
 		return ret, fmt.Errorf("unknown restful operation kind : %v", restParam.Kind)
 	}

staging/src/k8s.io/apiserver/pkg/server/openapi/openapi_test.go

@@ -187,6 +187,7 @@ func getConfig(fullMethods bool) (*openapi.Config, *restful.Container) {
 			InfoProps: spec.InfoProps{
 				Title:       "TestAPI",
 				Description: "Test API",
+				Version:     "unversioned",
 			},
 		},
 		GetDefinitions: func(_ openapi.ReferenceCallback) map[string]openapi.OpenAPIDefinition {
@@ -330,7 +331,7 @@ func getAdditionalTestParameters() []spec.Parameter {
 		ParamProps: spec.ParamProps{
 			Name:        "fparam",
 			Description: "a test form parameter",
-			In:          "form",
+			In:          "formData",
 		},
 		SimpleSchema: spec.SimpleSchema{
 			Type: "number",
@@ -432,6 +433,7 @@ func TestBuildSwaggerSpec(t *testing.T) {
 				InfoProps: spec.InfoProps{
 					Title:       "TestAPI",
 					Description: "Test API",
+					Version:     "unversioned",
 				},
 			},
 			Swagger: "2.0",

staging/src/k8s.io/kube-aggregator/Godeps/Godeps.json

@@ -170,10 +170,38 @@
 			"ImportPath": "github.com/golang/protobuf/proto",
 			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
 		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/any",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/duration",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/timestamp",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
 		{
 			"ImportPath": "github.com/google/gofuzz",
 			"Rev": "44d81051d367757e1c7c6a5a86423ece9afcf63c"
 		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/OpenAPIv2",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/compiler",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/extensions",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
 		{
 			"ImportPath": "github.com/grpc-ecosystem/go-grpc-prometheus",
 			"Rev": "2500245aa6110c562d17020fb31a2c133d737799"

staging/src/k8s.io/kube-apiextensions-server/Godeps/Godeps.json

@@ -162,10 +162,38 @@
 			"ImportPath": "github.com/golang/protobuf/proto",
 			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
 		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/any",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/duration",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/timestamp",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
 		{
 			"ImportPath": "github.com/google/gofuzz",
 			"Rev": "44d81051d367757e1c7c6a5a86423ece9afcf63c"
 		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/OpenAPIv2",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/compiler",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/extensions",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
 		{
 			"ImportPath": "github.com/grpc-ecosystem/go-grpc-prometheus",
 			"Rev": "2500245aa6110c562d17020fb31a2c133d737799"

staging/src/k8s.io/sample-apiserver/Godeps/Godeps.json

@@ -162,10 +162,38 @@
 			"ImportPath": "github.com/golang/protobuf/proto",
 			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
 		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/any",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/duration",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf/ptypes/timestamp",
+			"Rev": "4bd1920723d7b7c925de087aa32e2187708897f7"
+		},
 		{
 			"ImportPath": "github.com/google/gofuzz",
 			"Rev": "44d81051d367757e1c7c6a5a86423ece9afcf63c"
 		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/OpenAPIv2",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/compiler",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic/extensions",
+			"Rev": "68f4ded48ba9414dab2ae69b3f0d69971da73aa5"
+		},
 		{
 			"ImportPath": "github.com/grpc-ecosystem/go-grpc-prometheus",
 			"Rev": "2500245aa6110c562d17020fb31a2c133d737799"

vendor/BUILD

@@ -192,6 +192,7 @@ filegroup(
         "//vendor/github.com/golang/mock/gomock:all-srcs",
         "//vendor/github.com/golang/protobuf/jsonpb:all-srcs",
         "//vendor/github.com/golang/protobuf/proto:all-srcs",
+        "//vendor/github.com/golang/protobuf/ptypes:all-srcs",
         "//vendor/github.com/google/btree:all-srcs",
         "//vendor/github.com/google/cadvisor/api:all-srcs",
         "//vendor/github.com/google/cadvisor/cache/memory:all-srcs",
@@ -217,6 +218,9 @@ filegroup(
         "//vendor/github.com/google/cadvisor/zfs:all-srcs",
         "//vendor/github.com/google/certificate-transparency/go:all-srcs",
         "//vendor/github.com/google/gofuzz:all-srcs",
+        "//vendor/github.com/googleapis/gnostic/OpenAPIv2:all-srcs",
+        "//vendor/github.com/googleapis/gnostic/compiler:all-srcs",
+        "//vendor/github.com/googleapis/gnostic/extensions:all-srcs",
         "//vendor/github.com/gophercloud/gophercloud:all-srcs",
         "//vendor/github.com/gorilla/context:all-srcs",
         "//vendor/github.com/gorilla/mux:all-srcs",

vendor/github.com/golang/protobuf/ptypes/BUILD

@@ -0,0 +1,43 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "any.go",
+        "doc.go",
+        "duration.go",
+        "timestamp.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//vendor/github.com/golang/protobuf/proto:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes/any:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes/duration:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes/timestamp:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//vendor/github.com/golang/protobuf/ptypes/any:all-srcs",
+        "//vendor/github.com/golang/protobuf/ptypes/duration:all-srcs",
+        "//vendor/github.com/golang/protobuf/ptypes/timestamp:all-srcs",
+    ],
+    tags = ["automanaged"],
+)

vendor/github.com/golang/protobuf/ptypes/any.go

@@ -0,0 +1,136 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package ptypes
+
+// This file implements functions to marshal proto.Message to/from
+// google.protobuf.Any message.
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes/any"
+)
+
+const googleApis = "type.googleapis.com/"
+
+// AnyMessageName returns the name of the message contained in a google.protobuf.Any message.
+//
+// Note that regular type assertions should be done using the Is
+// function. AnyMessageName is provided for less common use cases like filtering a
+// sequence of Any messages based on a set of allowed message type names.
+func AnyMessageName(any *any.Any) (string, error) {
+	slash := strings.LastIndex(any.TypeUrl, "/")
+	if slash < 0 {
+		return "", fmt.Errorf("message type url %q is invalid", any.TypeUrl)
+	}
+	return any.TypeUrl[slash+1:], nil
+}
+
+// MarshalAny takes the protocol buffer and encodes it into google.protobuf.Any.
+func MarshalAny(pb proto.Message) (*any.Any, error) {
+	value, err := proto.Marshal(pb)
+	if err != nil {
+		return nil, err
+	}
+	return &any.Any{TypeUrl: googleApis + proto.MessageName(pb), Value: value}, nil
+}
+
+// DynamicAny is a value that can be passed to UnmarshalAny to automatically
+// allocate a proto.Message for the type specified in a google.protobuf.Any
+// message. The allocated message is stored in the embedded proto.Message.
+//
+// Example:
+//
+//   var x ptypes.DynamicAny
+//   if err := ptypes.UnmarshalAny(a, &x); err != nil { ... }
+//   fmt.Printf("unmarshaled message: %v", x.Message)
+type DynamicAny struct {
+	proto.Message
+}
+
+// Empty returns a new proto.Message of the type specified in a
+// google.protobuf.Any message. It returns an error if corresponding message
+// type isn't linked in.
+func Empty(any *any.Any) (proto.Message, error) {
+	aname, err := AnyMessageName(any)
+	if err != nil {
+		return nil, err
+	}
+
+	t := proto.MessageType(aname)
+	if t == nil {
+		return nil, fmt.Errorf("any: message type %q isn't linked in", aname)
+	}
+	return reflect.New(t.Elem()).Interface().(proto.Message), nil
+}
+
+// UnmarshalAny parses the protocol buffer representation in a google.protobuf.Any
+// message and places the decoded result in pb. It returns an error if type of
+// contents of Any message does not match type of pb message.
+//
+// pb can be a proto.Message, or a *DynamicAny.
+func UnmarshalAny(any *any.Any, pb proto.Message) error {
+	if d, ok := pb.(*DynamicAny); ok {
+		if d.Message == nil {
+			var err error
+			d.Message, err = Empty(any)
+			if err != nil {
+				return err
+			}
+		}
+		return UnmarshalAny(any, d.Message)
+	}
+
+	aname, err := AnyMessageName(any)
+	if err != nil {
+		return err
+	}
+
+	mname := proto.MessageName(pb)
+	if aname != mname {
+		return fmt.Errorf("mismatched message type: got %q want %q", aname, mname)
+	}
+	return proto.Unmarshal(any.Value, pb)
+}
+
+// Is returns true if any value contains a given message type.
+func Is(any *any.Any, pb proto.Message) bool {
+	aname, err := AnyMessageName(any)
+	if err != nil {
+		return false
+	}
+
+	return aname == proto.MessageName(pb)
+}

vendor/github.com/golang/protobuf/ptypes/any/BUILD

@@ -0,0 +1,28 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["any.pb.go"],
+    tags = ["automanaged"],
+    deps = ["//vendor/github.com/golang/protobuf/proto:go_default_library"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/github.com/golang/protobuf/ptypes/any/any.pb.go

@@ -0,0 +1,155 @@
+// Code generated by protoc-gen-go.
+// source: github.com/golang/protobuf/ptypes/any/any.proto
+// DO NOT EDIT!
+
+/*
+Package any is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/golang/protobuf/ptypes/any/any.proto
+
+It has these top-level messages:
+	Any
+*/
+package any
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// `Any` contains an arbitrary serialized protocol buffer message along with a
+// URL that describes the type of the serialized message.
+//
+// Protobuf library provides support to pack/unpack Any values in the form
+// of utility functions or additional generated methods of the Any type.
+//
+// Example 1: Pack and unpack a message in C++.
+//
+//     Foo foo = ...;
+//     Any any;
+//     any.PackFrom(foo);
+//     ...
+//     if (any.UnpackTo(&foo)) {
+//       ...
+//     }
+//
+// Example 2: Pack and unpack a message in Java.
+//
+//     Foo foo = ...;
+//     Any any = Any.pack(foo);
+//     ...
+//     if (any.is(Foo.class)) {
+//       foo = any.unpack(Foo.class);
+//     }
+//
+//  Example 3: Pack and unpack a message in Python.
+//
+//     foo = Foo(...)
+//     any = Any()
+//     any.Pack(foo)
+//     ...
+//     if any.Is(Foo.DESCRIPTOR):
+//       any.Unpack(foo)
+//       ...
+//
+// The pack methods provided by protobuf library will by default use
+// 'type.googleapis.com/full.type.name' as the type URL and the unpack
+// methods only use the fully qualified type name after the last '/'
+// in the type URL, for example "foo.bar.com/x/y.z" will yield type
+// name "y.z".
+//
+//
+// JSON
+// ====
+// The JSON representation of an `Any` value uses the regular
+// representation of the deserialized, embedded message, with an
+// additional field `@type` which contains the type URL. Example:
+//
+//     package google.profile;
+//     message Person {
+//       string first_name = 1;
+//       string last_name = 2;
+//     }
+//
+//     {
+//       "@type": "type.googleapis.com/google.profile.Person",
+//       "firstName": <string>,
+//       "lastName": <string>
+//     }
+//
+// If the embedded message type is well-known and has a custom JSON
+// representation, that representation will be embedded adding a field
+// `value` which holds the custom JSON in addition to the `@type`
+// field. Example (for message [google.protobuf.Duration][]):
+//
+//     {
+//       "@type": "type.googleapis.com/google.protobuf.Duration",
+//       "value": "1.212s"
+//     }
+//
+type Any struct {
+	// A URL/resource name whose content describes the type of the
+	// serialized protocol buffer message.
+	//
+	// For URLs which use the scheme `http`, `https`, or no scheme, the
+	// following restrictions and interpretations apply:
+	//
+	// * If no scheme is provided, `https` is assumed.
+	// * The last segment of the URL's path must represent the fully
+	//   qualified name of the type (as in `path/google.protobuf.Duration`).
+	//   The name should be in a canonical form (e.g., leading "." is
+	//   not accepted).
+	// * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+	//   value in binary format, or produce an error.
+	// * Applications are allowed to cache lookup results based on the
+	//   URL, or have them precompiled into a binary to avoid any
+	//   lookup. Therefore, binary compatibility needs to be preserved
+	//   on changes to types. (Use versioned type names to manage
+	//   breaking changes.)
+	//
+	// Schemes other than `http`, `https` (or the empty scheme) might be
+	// used with implementation specific semantics.
+	//
+	TypeUrl string `protobuf:"bytes,1,opt,name=type_url,json=typeUrl" json:"type_url,omitempty"`
+	// Must be a valid serialized protocol buffer of the above specified type.
+	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (m *Any) Reset()                    { *m = Any{} }
+func (m *Any) String() string            { return proto.CompactTextString(m) }
+func (*Any) ProtoMessage()               {}
+func (*Any) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+func (*Any) XXX_WellKnownType() string   { return "Any" }
+
+func init() {
+	proto.RegisterType((*Any)(nil), "google.protobuf.Any")
+}
+
+func init() { proto.RegisterFile("github.com/golang/protobuf/ptypes/any/any.proto", fileDescriptor0) }
+
+var fileDescriptor0 = []byte{
+	// 187 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xd2, 0x4f, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, 0x4b, 0xd7, 0x2f, 0x28,
+	0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x28, 0xa9, 0x2c, 0x48, 0x2d, 0xd6, 0x4f, 0xcc,
+	0xab, 0x04, 0x61, 0x3d, 0xb0, 0xb8, 0x10, 0x7f, 0x7a, 0x7e, 0x7e, 0x7a, 0x4e, 0xaa, 0x1e, 0x4c,
+	0x95, 0x92, 0x19, 0x17, 0xb3, 0x63, 0x5e, 0xa5, 0x90, 0x24, 0x17, 0x07, 0x48, 0x79, 0x7c, 0x69,
+	0x51, 0x8e, 0x04, 0xa3, 0x02, 0xa3, 0x06, 0x67, 0x10, 0x3b, 0x88, 0x1f, 0x5a, 0x94, 0x23, 0x24,
+	0xc2, 0xc5, 0x5a, 0x96, 0x98, 0x53, 0x9a, 0x2a, 0xc1, 0xa4, 0xc0, 0xa8, 0xc1, 0x13, 0x04, 0xe1,
+	0x38, 0x15, 0x71, 0x09, 0x27, 0xe7, 0xe7, 0xea, 0xa1, 0x19, 0xe7, 0xc4, 0xe1, 0x98, 0x57, 0x19,
+	0x00, 0xe2, 0x04, 0x30, 0x46, 0xa9, 0x12, 0xe5, 0xb8, 0x05, 0x8c, 0x8c, 0x8b, 0x98, 0x98, 0xdd,
+	0x03, 0x9c, 0x56, 0x31, 0xc9, 0xb9, 0x43, 0x4c, 0x0b, 0x80, 0xaa, 0xd2, 0x0b, 0x4f, 0xcd, 0xc9,
+	0xf1, 0xce, 0xcb, 0x2f, 0xcf, 0x0b, 0x01, 0xa9, 0x4e, 0x62, 0x03, 0x6b, 0x37, 0x06, 0x04, 0x00,
+	0x00, 0xff, 0xff, 0xc6, 0x4d, 0x03, 0x23, 0xf6, 0x00, 0x00, 0x00,
+}

vendor/github.com/golang/protobuf/ptypes/any/any.proto

@@ -0,0 +1,140 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/any";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "AnyProto";
+option java_multiple_files = true;
+option java_generate_equals_and_hash = true;
+option objc_class_prefix = "GPB";
+
+// `Any` contains an arbitrary serialized protocol buffer message along with a
+// URL that describes the type of the serialized message.
+//
+// Protobuf library provides support to pack/unpack Any values in the form
+// of utility functions or additional generated methods of the Any type.
+//
+// Example 1: Pack and unpack a message in C++.
+//
+//     Foo foo = ...;
+//     Any any;
+//     any.PackFrom(foo);
+//     ...
+//     if (any.UnpackTo(&foo)) {
+//       ...
+//     }
+//
+// Example 2: Pack and unpack a message in Java.
+//
+//     Foo foo = ...;
+//     Any any = Any.pack(foo);
+//     ...
+//     if (any.is(Foo.class)) {
+//       foo = any.unpack(Foo.class);
+//     }
+//
+//  Example 3: Pack and unpack a message in Python.
+//
+//     foo = Foo(...)
+//     any = Any()
+//     any.Pack(foo)
+//     ...
+//     if any.Is(Foo.DESCRIPTOR):
+//       any.Unpack(foo)
+//       ...
+//
+// The pack methods provided by protobuf library will by default use
+// 'type.googleapis.com/full.type.name' as the type URL and the unpack
+// methods only use the fully qualified type name after the last '/'
+// in the type URL, for example "foo.bar.com/x/y.z" will yield type
+// name "y.z".
+//
+//
+// JSON
+// ====
+// The JSON representation of an `Any` value uses the regular
+// representation of the deserialized, embedded message, with an
+// additional field `@type` which contains the type URL. Example:
+//
+//     package google.profile;
+//     message Person {
+//       string first_name = 1;
+//       string last_name = 2;
+//     }
+//
+//     {
+//       "@type": "type.googleapis.com/google.profile.Person",
+//       "firstName": <string>,
+//       "lastName": <string>
+//     }
+//
+// If the embedded message type is well-known and has a custom JSON
+// representation, that representation will be embedded adding a field
+// `value` which holds the custom JSON in addition to the `@type`
+// field. Example (for message [google.protobuf.Duration][]):
+//
+//     {
+//       "@type": "type.googleapis.com/google.protobuf.Duration",
+//       "value": "1.212s"
+//     }
+//
+message Any {
+  // A URL/resource name whose content describes the type of the
+  // serialized protocol buffer message.
+  //
+  // For URLs which use the scheme `http`, `https`, or no scheme, the
+  // following restrictions and interpretations apply:
+  //
+  // * If no scheme is provided, `https` is assumed.
+  // * The last segment of the URL's path must represent the fully
+  //   qualified name of the type (as in `path/google.protobuf.Duration`).
+  //   The name should be in a canonical form (e.g., leading "." is
+  //   not accepted).
+  // * An HTTP GET on the URL must yield a [google.protobuf.Type][]
+  //   value in binary format, or produce an error.
+  // * Applications are allowed to cache lookup results based on the
+  //   URL, or have them precompiled into a binary to avoid any
+  //   lookup. Therefore, binary compatibility needs to be preserved
+  //   on changes to types. (Use versioned type names to manage
+  //   breaking changes.)
+  //
+  // Schemes other than `http`, `https` (or the empty scheme) might be
+  // used with implementation specific semantics.
+  //
+  string type_url = 1;
+
+  // Must be a valid serialized protocol buffer of the above specified type.
+  bytes value = 2;
+}

vendor/github.com/golang/protobuf/ptypes/doc.go

@@ -0,0 +1,35 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+/*
+Package ptypes contains code for interacting with well-known types.
+*/
+package ptypes

vendor/github.com/golang/protobuf/ptypes/duration.go

@@ -0,0 +1,102 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package ptypes
+
+// This file implements conversions between google.protobuf.Duration
+// and time.Duration.
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	durpb "github.com/golang/protobuf/ptypes/duration"
+)
+
+const (
+	// Range of a durpb.Duration in seconds, as specified in
+	// google/protobuf/duration.proto. This is about 10,000 years in seconds.
+	maxSeconds = int64(10000 * 365.25 * 24 * 60 * 60)
+	minSeconds = -maxSeconds
+)
+
+// validateDuration determines whether the durpb.Duration is valid according to the
+// definition in google/protobuf/duration.proto. A valid durpb.Duration
+// may still be too large to fit into a time.Duration (the range of durpb.Duration
+// is about 10,000 years, and the range of time.Duration is about 290).
+func validateDuration(d *durpb.Duration) error {
+	if d == nil {
+		return errors.New("duration: nil Duration")
+	}
+	if d.Seconds < minSeconds || d.Seconds > maxSeconds {
+		return fmt.Errorf("duration: %v: seconds out of range", d)
+	}
+	if d.Nanos <= -1e9 || d.Nanos >= 1e9 {
+		return fmt.Errorf("duration: %v: nanos out of range", d)
+	}
+	// Seconds and Nanos must have the same sign, unless d.Nanos is zero.
+	if (d.Seconds < 0 && d.Nanos > 0) || (d.Seconds > 0 && d.Nanos < 0) {
+		return fmt.Errorf("duration: %v: seconds and nanos have different signs", d)
+	}
+	return nil
+}
+
+// Duration converts a durpb.Duration to a time.Duration. Duration
+// returns an error if the durpb.Duration is invalid or is too large to be
+// represented in a time.Duration.
+func Duration(p *durpb.Duration) (time.Duration, error) {
+	if err := validateDuration(p); err != nil {
+		return 0, err
+	}
+	d := time.Duration(p.Seconds) * time.Second
+	if int64(d/time.Second) != p.Seconds {
+		return 0, fmt.Errorf("duration: %v is out of range for time.Duration", p)
+	}
+	if p.Nanos != 0 {
+		d += time.Duration(p.Nanos)
+		if (d < 0) != (p.Nanos < 0) {
+			return 0, fmt.Errorf("duration: %v is out of range for time.Duration", p)
+		}
+	}
+	return d, nil
+}
+
+// DurationProto converts a time.Duration to a durpb.Duration.
+func DurationProto(d time.Duration) *durpb.Duration {
+	nanos := d.Nanoseconds()
+	secs := nanos / 1e9
+	nanos -= secs * 1e9
+	return &durpb.Duration{
+		Seconds: secs,
+		Nanos:   int32(nanos),
+	}
+}

vendor/github.com/golang/protobuf/ptypes/duration/BUILD

@@ -0,0 +1,28 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["duration.pb.go"],
+    tags = ["automanaged"],
+    deps = ["//vendor/github.com/golang/protobuf/proto:go_default_library"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/github.com/golang/protobuf/ptypes/duration/duration.pb.go

@@ -0,0 +1,114 @@
+// Code generated by protoc-gen-go.
+// source: github.com/golang/protobuf/ptypes/duration/duration.proto
+// DO NOT EDIT!
+
+/*
+Package duration is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/golang/protobuf/ptypes/duration/duration.proto
+
+It has these top-level messages:
+	Duration
+*/
+package duration
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// A Duration represents a signed, fixed-length span of time represented
+// as a count of seconds and fractions of seconds at nanosecond
+// resolution. It is independent of any calendar and concepts like "day"
+// or "month". It is related to Timestamp in that the difference between
+// two Timestamp values is a Duration and it can be added or subtracted
+// from a Timestamp. Range is approximately +-10,000 years.
+//
+// Example 1: Compute Duration from two Timestamps in pseudo code.
+//
+//     Timestamp start = ...;
+//     Timestamp end = ...;
+//     Duration duration = ...;
+//
+//     duration.seconds = end.seconds - start.seconds;
+//     duration.nanos = end.nanos - start.nanos;
+//
+//     if (duration.seconds < 0 && duration.nanos > 0) {
+//       duration.seconds += 1;
+//       duration.nanos -= 1000000000;
+//     } else if (durations.seconds > 0 && duration.nanos < 0) {
+//       duration.seconds -= 1;
+//       duration.nanos += 1000000000;
+//     }
+//
+// Example 2: Compute Timestamp from Timestamp + Duration in pseudo code.
+//
+//     Timestamp start = ...;
+//     Duration duration = ...;
+//     Timestamp end = ...;
+//
+//     end.seconds = start.seconds + duration.seconds;
+//     end.nanos = start.nanos + duration.nanos;
+//
+//     if (end.nanos < 0) {
+//       end.seconds -= 1;
+//       end.nanos += 1000000000;
+//     } else if (end.nanos >= 1000000000) {
+//       end.seconds += 1;
+//       end.nanos -= 1000000000;
+//     }
+//
+//
+type Duration struct {
+	// Signed seconds of the span of time. Must be from -315,576,000,000
+	// to +315,576,000,000 inclusive.
+	Seconds int64 `protobuf:"varint,1,opt,name=seconds" json:"seconds,omitempty"`
+	// Signed fractions of a second at nanosecond resolution of the span
+	// of time. Durations less than one second are represented with a 0
+	// `seconds` field and a positive or negative `nanos` field. For durations
+	// of one second or more, a non-zero value for the `nanos` field must be
+	// of the same sign as the `seconds` field. Must be from -999,999,999
+	// to +999,999,999 inclusive.
+	Nanos int32 `protobuf:"varint,2,opt,name=nanos" json:"nanos,omitempty"`
+}
+
+func (m *Duration) Reset()                    { *m = Duration{} }
+func (m *Duration) String() string            { return proto.CompactTextString(m) }
+func (*Duration) ProtoMessage()               {}
+func (*Duration) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+func (*Duration) XXX_WellKnownType() string   { return "Duration" }
+
+func init() {
+	proto.RegisterType((*Duration)(nil), "google.protobuf.Duration")
+}
+
+func init() {
+	proto.RegisterFile("github.com/golang/protobuf/ptypes/duration/duration.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
+	// 189 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xb2, 0x4c, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, 0x4b, 0xd7, 0x2f, 0x28,
+	0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x28, 0xa9, 0x2c, 0x48, 0x2d, 0xd6, 0x4f, 0x29,
+	0x2d, 0x4a, 0x2c, 0xc9, 0xcc, 0xcf, 0x83, 0x33, 0xf4, 0xc0, 0x2a, 0x84, 0xf8, 0xd3, 0xf3, 0xf3,
+	0xd3, 0x73, 0x52, 0xf5, 0x60, 0xea, 0x95, 0xac, 0xb8, 0x38, 0x5c, 0xa0, 0x4a, 0x84, 0x24, 0xb8,
+	0xd8, 0x8b, 0x53, 0x93, 0xf3, 0xf3, 0x52, 0x8a, 0x25, 0x18, 0x15, 0x18, 0x35, 0x98, 0x83, 0x60,
+	0x5c, 0x21, 0x11, 0x2e, 0xd6, 0xbc, 0xc4, 0xbc, 0xfc, 0x62, 0x09, 0x26, 0x05, 0x46, 0x0d, 0xd6,
+	0x20, 0x08, 0xc7, 0xa9, 0x86, 0x4b, 0x38, 0x39, 0x3f, 0x57, 0x0f, 0xcd, 0x48, 0x27, 0x5e, 0x98,
+	0x81, 0x01, 0x20, 0x91, 0x00, 0xc6, 0x28, 0x2d, 0xe2, 0xdd, 0xbb, 0x80, 0x91, 0x71, 0x11, 0x13,
+	0xb3, 0x7b, 0x80, 0xd3, 0x2a, 0x26, 0x39, 0x77, 0x88, 0xb9, 0x01, 0x50, 0xa5, 0x7a, 0xe1, 0xa9,
+	0x39, 0x39, 0xde, 0x79, 0xf9, 0xe5, 0x79, 0x21, 0x20, 0x2d, 0x49, 0x6c, 0x60, 0x33, 0x8c, 0x01,
+	0x01, 0x00, 0x00, 0xff, 0xff, 0x62, 0xfb, 0xb1, 0x51, 0x0e, 0x01, 0x00, 0x00,
+}

vendor/github.com/golang/protobuf/ptypes/duration/duration.proto

@@ -0,0 +1,98 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option go_package = "github.com/golang/protobuf/ptypes/duration";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "DurationProto";
+option java_multiple_files = true;
+option java_generate_equals_and_hash = true;
+option objc_class_prefix = "GPB";
+
+// A Duration represents a signed, fixed-length span of time represented
+// as a count of seconds and fractions of seconds at nanosecond
+// resolution. It is independent of any calendar and concepts like "day"
+// or "month". It is related to Timestamp in that the difference between
+// two Timestamp values is a Duration and it can be added or subtracted
+// from a Timestamp. Range is approximately +-10,000 years.
+//
+// Example 1: Compute Duration from two Timestamps in pseudo code.
+//
+//     Timestamp start = ...;
+//     Timestamp end = ...;
+//     Duration duration = ...;
+//
+//     duration.seconds = end.seconds - start.seconds;
+//     duration.nanos = end.nanos - start.nanos;
+//
+//     if (duration.seconds < 0 && duration.nanos > 0) {
+//       duration.seconds += 1;
+//       duration.nanos -= 1000000000;
+//     } else if (durations.seconds > 0 && duration.nanos < 0) {
+//       duration.seconds -= 1;
+//       duration.nanos += 1000000000;
+//     }
+//
+// Example 2: Compute Timestamp from Timestamp + Duration in pseudo code.
+//
+//     Timestamp start = ...;
+//     Duration duration = ...;
+//     Timestamp end = ...;
+//
+//     end.seconds = start.seconds + duration.seconds;
+//     end.nanos = start.nanos + duration.nanos;
+//
+//     if (end.nanos < 0) {
+//       end.seconds -= 1;
+//       end.nanos += 1000000000;
+//     } else if (end.nanos >= 1000000000) {
+//       end.seconds += 1;
+//       end.nanos -= 1000000000;
+//     }
+//
+//
+message Duration {
+
+  // Signed seconds of the span of time. Must be from -315,576,000,000
+  // to +315,576,000,000 inclusive.
+  int64 seconds = 1;
+
+  // Signed fractions of a second at nanosecond resolution of the span
+  // of time. Durations less than one second are represented with a 0
+  // `seconds` field and a positive or negative `nanos` field. For durations
+  // of one second or more, a non-zero value for the `nanos` field must be
+  // of the same sign as the `seconds` field. Must be from -999,999,999
+  // to +999,999,999 inclusive.
+  int32 nanos = 2;
+}

vendor/github.com/golang/protobuf/ptypes/regen.sh

@@ -0,0 +1,66 @@
+#!/bin/bash -e
+#
+# This script fetches and rebuilds the "well-known types" protocol buffers.
+# To run this you will need protoc and goprotobuf installed;
+# see https://github.com/golang/protobuf for instructions.
+# You also need Go and Git installed.
+
+PKG=github.com/golang/protobuf/ptypes
+UPSTREAM=https://github.com/google/protobuf
+UPSTREAM_SUBDIR=src/google/protobuf
+PROTO_FILES='
+  any.proto
+  duration.proto
+  empty.proto
+  struct.proto
+  timestamp.proto
+  wrappers.proto
+'
+
+function die() {
+  echo 1>&2 $*
+  exit 1
+}
+
+# Sanity check that the right tools are accessible.
+for tool in go git protoc protoc-gen-go; do
+  q=$(which $tool) || die "didn't find $tool"
+  echo 1>&2 "$tool: $q"
+done
+
+tmpdir=$(mktemp -d -t regen-wkt.XXXXXX)
+trap 'rm -rf $tmpdir' EXIT
+
+echo -n 1>&2 "finding package dir... "
+pkgdir=$(go list -f '{{.Dir}}' $PKG)
+echo 1>&2 $pkgdir
+base=$(echo $pkgdir | sed "s,/$PKG\$,,")
+echo 1>&2 "base: $base"
+cd $base
+
+echo 1>&2 "fetching latest protos... "
+git clone -q $UPSTREAM $tmpdir
+# Pass 1: build mapping from upstream filename to our filename.
+declare -A filename_map
+for f in $(cd $PKG && find * -name '*.proto'); do
+  echo -n 1>&2 "looking for latest version of $f... "
+  up=$(cd $tmpdir/$UPSTREAM_SUBDIR && find * -name $(basename $f) | grep -v /testdata/)
+  echo 1>&2 $up
+  if [ $(echo $up | wc -w) != "1" ]; then
+    die "not exactly one match"
+  fi
+  filename_map[$up]=$f
+done
+# Pass 2: copy files
+for up in "${!filename_map[@]}"; do
+  f=${filename_map[$up]}
+  shortname=$(basename $f | sed 's,\.proto$,,')
+  cp $tmpdir/$UPSTREAM_SUBDIR/$up $PKG/$f
+done
+
+# Run protoc once per package.
+for dir in $(find $PKG -name '*.proto' | xargs dirname | sort | uniq); do
+  echo 1>&2 "* $dir"
+  protoc --go_out=. $dir/*.proto
+done
+echo 1>&2 "All OK"

vendor/github.com/golang/protobuf/ptypes/timestamp.go

@@ -0,0 +1,125 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2016 The Go Authors.  All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package ptypes
+
+// This file implements operations on google.protobuf.Timestamp.
+
+import (
+	"errors"
+	"fmt"
+	"time"
+
+	tspb "github.com/golang/protobuf/ptypes/timestamp"
+)
+
+const (
+	// Seconds field of the earliest valid Timestamp.
+	// This is time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
+	minValidSeconds = -62135596800
+	// Seconds field just after the latest valid Timestamp.
+	// This is time.Date(10000, 1, 1, 0, 0, 0, 0, time.UTC).Unix().
+	maxValidSeconds = 253402300800
+)
+
+// validateTimestamp determines whether a Timestamp is valid.
+// A valid timestamp represents a time in the range
+// [0001-01-01, 10000-01-01) and has a Nanos field
+// in the range [0, 1e9).
+//
+// If the Timestamp is valid, validateTimestamp returns nil.
+// Otherwise, it returns an error that describes
+// the problem.
+//
+// Every valid Timestamp can be represented by a time.Time, but the converse is not true.
+func validateTimestamp(ts *tspb.Timestamp) error {
+	if ts == nil {
+		return errors.New("timestamp: nil Timestamp")
+	}
+	if ts.Seconds < minValidSeconds {
+		return fmt.Errorf("timestamp: %v before 0001-01-01", ts)
+	}
+	if ts.Seconds >= maxValidSeconds {
+		return fmt.Errorf("timestamp: %v after 10000-01-01", ts)
+	}
+	if ts.Nanos < 0 || ts.Nanos >= 1e9 {
+		return fmt.Errorf("timestamp: %v: nanos not in range [0, 1e9)", ts)
+	}
+	return nil
+}
+
+// Timestamp converts a google.protobuf.Timestamp proto to a time.Time.
+// It returns an error if the argument is invalid.
+//
+// Unlike most Go functions, if Timestamp returns an error, the first return value
+// is not the zero time.Time. Instead, it is the value obtained from the
+// time.Unix function when passed the contents of the Timestamp, in the UTC
+// locale. This may or may not be a meaningful time; many invalid Timestamps
+// do map to valid time.Times.
+//
+// A nil Timestamp returns an error. The first return value in that case is
+// undefined.
+func Timestamp(ts *tspb.Timestamp) (time.Time, error) {
+	// Don't return the zero value on error, because corresponds to a valid
+	// timestamp. Instead return whatever time.Unix gives us.
+	var t time.Time
+	if ts == nil {
+		t = time.Unix(0, 0).UTC() // treat nil like the empty Timestamp
+	} else {
+		t = time.Unix(ts.Seconds, int64(ts.Nanos)).UTC()
+	}
+	return t, validateTimestamp(ts)
+}
+
+// TimestampProto converts the time.Time to a google.protobuf.Timestamp proto.
+// It returns an error if the resulting Timestamp is invalid.
+func TimestampProto(t time.Time) (*tspb.Timestamp, error) {
+	seconds := t.Unix()
+	nanos := int32(t.Sub(time.Unix(seconds, 0)))
+	ts := &tspb.Timestamp{
+		Seconds: seconds,
+		Nanos:   nanos,
+	}
+	if err := validateTimestamp(ts); err != nil {
+		return nil, err
+	}
+	return ts, nil
+}
+
+// TimestampString returns the RFC 3339 string for valid Timestamps. For invalid
+// Timestamps, it returns an error message in parentheses.
+func TimestampString(ts *tspb.Timestamp) string {
+	t, err := Timestamp(ts)
+	if err != nil {
+		return fmt.Sprintf("(%v)", err)
+	}
+	return t.Format(time.RFC3339Nano)
+}

vendor/github.com/golang/protobuf/ptypes/timestamp/BUILD

@@ -0,0 +1,28 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["timestamp.pb.go"],
+    tags = ["automanaged"],
+    deps = ["//vendor/github.com/golang/protobuf/proto:go_default_library"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.pb.go

@@ -0,0 +1,127 @@
+// Code generated by protoc-gen-go.
+// source: github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
+// DO NOT EDIT!
+
+/*
+Package timestamp is a generated protocol buffer package.
+
+It is generated from these files:
+	github.com/golang/protobuf/ptypes/timestamp/timestamp.proto
+
+It has these top-level messages:
+	Timestamp
+*/
+package timestamp
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// A Timestamp represents a point in time independent of any time zone
+// or calendar, represented as seconds and fractions of seconds at
+// nanosecond resolution in UTC Epoch time. It is encoded using the
+// Proleptic Gregorian Calendar which extends the Gregorian calendar
+// backwards to year one. It is encoded assuming all minutes are 60
+// seconds long, i.e. leap seconds are "smeared" so that no leap second
+// table is needed for interpretation. Range is from
+// 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z.
+// By restricting to that range, we ensure that we can convert to
+// and from  RFC 3339 date strings.
+// See [https://www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).
+//
+// Example 1: Compute Timestamp from POSIX `time()`.
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(time(NULL));
+//     timestamp.set_nanos(0);
+//
+// Example 2: Compute Timestamp from POSIX `gettimeofday()`.
+//
+//     struct timeval tv;
+//     gettimeofday(&tv, NULL);
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(tv.tv_sec);
+//     timestamp.set_nanos(tv.tv_usec * 1000);
+//
+// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
+//
+//     FILETIME ft;
+//     GetSystemTimeAsFileTime(&ft);
+//     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
+//
+//     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
+//     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
+//     Timestamp timestamp;
+//     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
+//     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
+//
+// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
+//
+//     long millis = System.currentTimeMillis();
+//
+//     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
+//         .setNanos((int) ((millis % 1000) * 1000000)).build();
+//
+//
+// Example 5: Compute Timestamp from current time in Python.
+//
+//     now = time.time()
+//     seconds = int(now)
+//     nanos = int((now - seconds) * 10**9)
+//     timestamp = Timestamp(seconds=seconds, nanos=nanos)
+//
+//
+type Timestamp struct {
+	// Represents seconds of UTC time since Unix epoch
+	// 1970-01-01T00:00:00Z. Must be from from 0001-01-01T00:00:00Z to
+	// 9999-12-31T23:59:59Z inclusive.
+	Seconds int64 `protobuf:"varint,1,opt,name=seconds" json:"seconds,omitempty"`
+	// Non-negative fractions of a second at nanosecond resolution. Negative
+	// second values with fractions must still have non-negative nanos values
+	// that count forward in time. Must be from 0 to 999,999,999
+	// inclusive.
+	Nanos int32 `protobuf:"varint,2,opt,name=nanos" json:"nanos,omitempty"`
+}
+
+func (m *Timestamp) Reset()                    { *m = Timestamp{} }
+func (m *Timestamp) String() string            { return proto.CompactTextString(m) }
+func (*Timestamp) ProtoMessage()               {}
+func (*Timestamp) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+func (*Timestamp) XXX_WellKnownType() string   { return "Timestamp" }
+
+func init() {
+	proto.RegisterType((*Timestamp)(nil), "google.protobuf.Timestamp")
+}
+
+func init() {
+	proto.RegisterFile("github.com/golang/protobuf/ptypes/timestamp/timestamp.proto", fileDescriptor0)
+}
+
+var fileDescriptor0 = []byte{
+	// 194 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xb2, 0x4e, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xcf, 0xcf, 0x49, 0xcc, 0x4b, 0xd7, 0x2f, 0x28,
+	0xca, 0x2f, 0xc9, 0x4f, 0x2a, 0x4d, 0xd3, 0x2f, 0x28, 0xa9, 0x2c, 0x48, 0x2d, 0xd6, 0x2f, 0xc9,
+	0xcc, 0x4d, 0x2d, 0x2e, 0x49, 0xcc, 0x2d, 0x40, 0xb0, 0xf4, 0xc0, 0x6a, 0x84, 0xf8, 0xd3, 0xf3,
+	0xf3, 0xd3, 0x73, 0x52, 0xf5, 0x60, 0x3a, 0x94, 0xac, 0xb9, 0x38, 0x43, 0x60, 0x6a, 0x84, 0x24,
+	0xb8, 0xd8, 0x8b, 0x53, 0x93, 0xf3, 0xf3, 0x52, 0x8a, 0x25, 0x18, 0x15, 0x18, 0x35, 0x98, 0x83,
+	0x60, 0x5c, 0x21, 0x11, 0x2e, 0xd6, 0xbc, 0xc4, 0xbc, 0xfc, 0x62, 0x09, 0x26, 0x05, 0x46, 0x0d,
+	0xd6, 0x20, 0x08, 0xc7, 0xa9, 0x91, 0x91, 0x4b, 0x38, 0x39, 0x3f, 0x57, 0x0f, 0xcd, 0x50, 0x27,
+	0x3e, 0xb8, 0x91, 0x01, 0x20, 0xa1, 0x00, 0xc6, 0x28, 0x6d, 0x12, 0x1c, 0xbd, 0x80, 0x91, 0xf1,
+	0x07, 0x23, 0xe3, 0x22, 0x26, 0x66, 0xf7, 0x00, 0xa7, 0x55, 0x4c, 0x72, 0xee, 0x10, 0xc3, 0x03,
+	0xa0, 0xca, 0xf5, 0xc2, 0x53, 0x73, 0x72, 0xbc, 0xf3, 0xf2, 0xcb, 0xf3, 0x42, 0x40, 0xda, 0x92,
+	0xd8, 0xc0, 0xe6, 0x18, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff, 0x17, 0x5f, 0xb7, 0xdc, 0x17, 0x01,
+	0x00, 0x00,
+}

vendor/github.com/golang/protobuf/ptypes/timestamp/timestamp.proto

@@ -0,0 +1,111 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package google.protobuf;
+
+option csharp_namespace = "Google.Protobuf.WellKnownTypes";
+option cc_enable_arenas = true;
+option go_package = "github.com/golang/protobuf/ptypes/timestamp";
+option java_package = "com.google.protobuf";
+option java_outer_classname = "TimestampProto";
+option java_multiple_files = true;
+option java_generate_equals_and_hash = true;
+option objc_class_prefix = "GPB";
+
+// A Timestamp represents a point in time independent of any time zone
+// or calendar, represented as seconds and fractions of seconds at
+// nanosecond resolution in UTC Epoch time. It is encoded using the
+// Proleptic Gregorian Calendar which extends the Gregorian calendar
+// backwards to year one. It is encoded assuming all minutes are 60
+// seconds long, i.e. leap seconds are "smeared" so that no leap second
+// table is needed for interpretation. Range is from
+// 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z.
+// By restricting to that range, we ensure that we can convert to
+// and from  RFC 3339 date strings.
+// See [https://www.ietf.org/rfc/rfc3339.txt](https://www.ietf.org/rfc/rfc3339.txt).
+//
+// Example 1: Compute Timestamp from POSIX `time()`.
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(time(NULL));
+//     timestamp.set_nanos(0);
+//
+// Example 2: Compute Timestamp from POSIX `gettimeofday()`.
+//
+//     struct timeval tv;
+//     gettimeofday(&tv, NULL);
+//
+//     Timestamp timestamp;
+//     timestamp.set_seconds(tv.tv_sec);
+//     timestamp.set_nanos(tv.tv_usec * 1000);
+//
+// Example 3: Compute Timestamp from Win32 `GetSystemTimeAsFileTime()`.
+//
+//     FILETIME ft;
+//     GetSystemTimeAsFileTime(&ft);
+//     UINT64 ticks = (((UINT64)ft.dwHighDateTime) << 32) | ft.dwLowDateTime;
+//
+//     // A Windows tick is 100 nanoseconds. Windows epoch 1601-01-01T00:00:00Z
+//     // is 11644473600 seconds before Unix epoch 1970-01-01T00:00:00Z.
+//     Timestamp timestamp;
+//     timestamp.set_seconds((INT64) ((ticks / 10000000) - 11644473600LL));
+//     timestamp.set_nanos((INT32) ((ticks % 10000000) * 100));
+//
+// Example 4: Compute Timestamp from Java `System.currentTimeMillis()`.
+//
+//     long millis = System.currentTimeMillis();
+//
+//     Timestamp timestamp = Timestamp.newBuilder().setSeconds(millis / 1000)
+//         .setNanos((int) ((millis % 1000) * 1000000)).build();
+//
+//
+// Example 5: Compute Timestamp from current time in Python.
+//
+//     now = time.time()
+//     seconds = int(now)
+//     nanos = int((now - seconds) * 10**9)
+//     timestamp = Timestamp(seconds=seconds, nanos=nanos)
+//
+//
+message Timestamp {
+
+  // Represents seconds of UTC time since Unix epoch
+  // 1970-01-01T00:00:00Z. Must be from from 0001-01-01T00:00:00Z to
+  // 9999-12-31T23:59:59Z inclusive.
+  int64 seconds = 1;
+
+  // Non-negative fractions of a second at nanosecond resolution. Negative
+  // second values with fractions must still have non-negative nanos values
+  // that count forward in time. Must be from 0 to 999,999,999
+  // inclusive.
+  int32 nanos = 2;
+}

vendor/github.com/googleapis/gnostic/LICENSE

@@ -0,0 +1,203 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
+      "Source" form shall mean the preferred form for making modifications,
+      including but not limited to software source code, documentation
+      source, and configuration files.
+
+      "Object" form shall mean any form resulting from mechanical
+      transformation or translation of a Source form, including but
+      not limited to compiled object code, generated documentation,
+      and conversions to other media types.
+
+      "Work" shall mean the work of authorship, whether in Source or
+      Object form, made available under the License, as indicated by a
+      copyright notice that is included in or attached to the work
+      (an example is provided in the Appendix below).
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+      "Derivative Works" shall mean any work, whether in Source or Object
+      form, that is based on (or derived from) the Work and for which the
+      editorial revisions, annotations, elaborations, or other modifications
+      represent, as a whole, an original work of authorship. For the purposes
+      of this License, Derivative Works shall not include works that remain
+      separable from, or merely link (or bind by name) to the interfaces of,
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+      "Contribution" shall mean any work of authorship, including
+      the original version of the Work and any modifications or additions
+      to that Work or Derivative Works thereof, that is intentionally
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+      to the Licensor or its representatives, including but not limited to
+      communication on electronic mailing lists, source code control systems,
+      and issue tracking systems that are managed by, or on behalf of, the
+      Licensor for the purpose of discussing and improving the Work, but
+      excluding communication that is conspicuously marked or otherwise
+      designated in writing by the copyright owner as "Not a Contribution."
+
+      "Contributor" shall mean Licensor and any individual or Legal Entity
+      on behalf of whom a Contribution has been received by Licensor and
+      subsequently incorporated within the Work.
+
+   2. Grant of Copyright License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      copyright license to reproduce, prepare Derivative Works of,
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+   3. Grant of Patent License. Subject to the terms and conditions of
+      this License, each Contributor hereby grants to You a perpetual,
+      worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+      (except as stated in this section) patent license to make, have made,
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+      or a Contribution incorporated within the Work constitutes direct
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+
+   4. Redistribution. You may reproduce and distribute copies of the
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+      meet the following conditions:
+
+      (a) You must give any other recipients of the Work or
+          Derivative Works a copy of this License; and
+
+      (b) You must cause any modified files to carry prominent notices
+          stating that You changed the files; and
+
+      (c) You must retain, in the Source form of any Derivative Works
+          that You distribute, all copyright, patent, trademark, and
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+      (d) If the Work includes a "NOTICE" text file as part of its
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+          of the NOTICE file are for informational purposes only and
+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
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+          that such additional attribution notices cannot be construed
+          as modifying the License.
+
+      You may add Your own copyright statement to Your modifications and
+      may provide additional or different license terms and conditions
+      for use, reproduction, or distribution of Your modifications, or
+      for any such Derivative Works as a whole, provided Your use,
+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
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+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
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+       http://www.apache.org/licenses/LICENSE-2.0
+
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+   distributed under the License is distributed on an "AS IS" BASIS,
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+   See the License for the specific language governing permissions and
+   limitations under the License.
+

vendor/github.com/googleapis/gnostic/OpenAPIv2/BUILD

@@ -0,0 +1,36 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "OpenAPIv2.go",
+        "OpenAPIv2.pb.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//vendor/github.com/golang/protobuf/proto:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes/any:go_default_library",
+        "//vendor/github.com/googleapis/gnostic/compiler:go_default_library",
+        "//vendor/gopkg.in/yaml.v2:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/github.com/googleapis/gnostic/OpenAPIv2/OpenAPIv2.proto

@@ -0,0 +1,663 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// THIS FILE IS AUTOMATICALLY GENERATED.
+
+syntax = "proto3";
+
+package openapi.v2;
+
+import "google/protobuf/any.proto";
+
+// This option lets the proto compiler generate Java code inside the package
+// name (see below) instead of inside an outer class. It creates a simpler
+// developer experience by reducing one-level of name nesting and be
+// consistent with most programming languages that don't support outer classes.
+option java_multiple_files = true;
+
+// The Java outer classname should be the filename in UpperCamelCase. This
+// class is only used to hold proto descriptor, so developers don't need to
+// work with it directly.
+option java_outer_classname = "OpenAPIProto";
+
+// The Java package name must be proto package name with proper prefix.
+option java_package = "org.openapi_v2";
+
+// A reasonable prefix for the Objective-C symbols generated from the package.
+// It should at a minimum be 3 characters long, all uppercase, and convention
+// is to use an abbreviation of the package name. Something short, but
+// hopefully unique enough to not conflict with things that may come along in
+// the future. 'GPB' is reserved for the protocol buffer implementation itself.
+option objc_class_prefix = "OAS";
+
+message AdditionalPropertiesItem {
+  oneof oneof {
+    Schema schema = 1;
+    bool boolean = 2;
+  }
+}
+
+message Any {
+  google.protobuf.Any value = 1;
+  string yaml = 2;
+}
+
+message ApiKeySecurity {
+  string type = 1;
+  string name = 2;
+  string in = 3;
+  string description = 4;
+  repeated NamedAny vendor_extension = 5;
+}
+
+message BasicAuthenticationSecurity {
+  string type = 1;
+  string description = 2;
+  repeated NamedAny vendor_extension = 3;
+}
+
+message BodyParameter {
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 1;
+  // The name of the parameter.
+  string name = 2;
+  // Determines the location of the parameter.
+  string in = 3;
+  // Determines whether or not this parameter is required or optional.
+  bool required = 4;
+  Schema schema = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+// Contact information for the owners of the API.
+message Contact {
+  // The identifying name of the contact person/organization.
+  string name = 1;
+  // The URL pointing to the contact information.
+  string url = 2;
+  // The email address of the contact person/organization.
+  string email = 3;
+  repeated NamedAny vendor_extension = 4;
+}
+
+message Default {
+  repeated NamedAny additional_properties = 1;
+}
+
+// One or more JSON objects describing the schemas being consumed and produced by the API.
+message Definitions {
+  repeated NamedSchema additional_properties = 1;
+}
+
+message Document {
+  // The Swagger version of this document.
+  string swagger = 1;
+  Info info = 2;
+  // The host (name or ip) of the API. Example: 'swagger.io'
+  string host = 3;
+  // The base path to the API. Example: '/api'.
+  string base_path = 4;
+  // The transfer protocol of the API.
+  repeated string schemes = 5;
+  // A list of MIME types accepted by the API.
+  repeated string consumes = 6;
+  // A list of MIME types the API can produce.
+  repeated string produces = 7;
+  Paths paths = 8;
+  Definitions definitions = 9;
+  ParameterDefinitions parameters = 10;
+  ResponseDefinitions responses = 11;
+  repeated SecurityRequirement security = 12;
+  SecurityDefinitions security_definitions = 13;
+  repeated Tag tags = 14;
+  ExternalDocs external_docs = 15;
+  repeated NamedAny vendor_extension = 16;
+}
+
+message Examples {
+  repeated NamedAny additional_properties = 1;
+}
+
+// information about external documentation
+message ExternalDocs {
+  string description = 1;
+  string url = 2;
+  repeated NamedAny vendor_extension = 3;
+}
+
+// A deterministic version of a JSON Schema object.
+message FileSchema {
+  string format = 1;
+  string title = 2;
+  string description = 3;
+  Any default = 4;
+  repeated string required = 5;
+  string type = 6;
+  bool read_only = 7;
+  ExternalDocs external_docs = 8;
+  Any example = 9;
+  repeated NamedAny vendor_extension = 10;
+}
+
+message FormDataParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  // allows sending a parameter by name only or with an empty value.
+  bool allow_empty_value = 5;
+  string type = 6;
+  string format = 7;
+  PrimitivesItems items = 8;
+  string collection_format = 9;
+  Any default = 10;
+  double maximum = 11;
+  bool exclusive_maximum = 12;
+  double minimum = 13;
+  bool exclusive_minimum = 14;
+  int64 max_length = 15;
+  int64 min_length = 16;
+  string pattern = 17;
+  int64 max_items = 18;
+  int64 min_items = 19;
+  bool unique_items = 20;
+  repeated Any enum = 21;
+  double multiple_of = 22;
+  repeated NamedAny vendor_extension = 23;
+}
+
+message Header {
+  string type = 1;
+  string format = 2;
+  PrimitivesItems items = 3;
+  string collection_format = 4;
+  Any default = 5;
+  double maximum = 6;
+  bool exclusive_maximum = 7;
+  double minimum = 8;
+  bool exclusive_minimum = 9;
+  int64 max_length = 10;
+  int64 min_length = 11;
+  string pattern = 12;
+  int64 max_items = 13;
+  int64 min_items = 14;
+  bool unique_items = 15;
+  repeated Any enum = 16;
+  double multiple_of = 17;
+  string description = 18;
+  repeated NamedAny vendor_extension = 19;
+}
+
+message HeaderParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  string type = 5;
+  string format = 6;
+  PrimitivesItems items = 7;
+  string collection_format = 8;
+  Any default = 9;
+  double maximum = 10;
+  bool exclusive_maximum = 11;
+  double minimum = 12;
+  bool exclusive_minimum = 13;
+  int64 max_length = 14;
+  int64 min_length = 15;
+  string pattern = 16;
+  int64 max_items = 17;
+  int64 min_items = 18;
+  bool unique_items = 19;
+  repeated Any enum = 20;
+  double multiple_of = 21;
+  repeated NamedAny vendor_extension = 22;
+}
+
+message Headers {
+  repeated NamedHeader additional_properties = 1;
+}
+
+// General information about the API.
+message Info {
+  // A unique and precise title of the API.
+  string title = 1;
+  // A semantic version number of the API.
+  string version = 2;
+  // A longer description of the API. Should be different from the title.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The terms of service for the API.
+  string terms_of_service = 4;
+  Contact contact = 5;
+  License license = 6;
+  repeated NamedAny vendor_extension = 7;
+}
+
+message ItemsItem {
+  repeated Schema schema = 1;
+}
+
+message JsonReference {
+  string _ref = 1;
+  string description = 2;
+}
+
+message License {
+  // The name of the license type. It's encouraged to use an OSI compatible license.
+  string name = 1;
+  // The URL pointing to the license.
+  string url = 2;
+  repeated NamedAny vendor_extension = 3;
+}
+
+// Automatically-generated message used to represent maps of Any as ordered (name,value) pairs.
+message NamedAny {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Any value = 2;
+}
+
+// Automatically-generated message used to represent maps of Header as ordered (name,value) pairs.
+message NamedHeader {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Header value = 2;
+}
+
+// Automatically-generated message used to represent maps of Parameter as ordered (name,value) pairs.
+message NamedParameter {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Parameter value = 2;
+}
+
+// Automatically-generated message used to represent maps of PathItem as ordered (name,value) pairs.
+message NamedPathItem {
+  // Map key
+  string name = 1;
+  // Mapped value
+  PathItem value = 2;
+}
+
+// Automatically-generated message used to represent maps of Response as ordered (name,value) pairs.
+message NamedResponse {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Response value = 2;
+}
+
+// Automatically-generated message used to represent maps of ResponseValue as ordered (name,value) pairs.
+message NamedResponseValue {
+  // Map key
+  string name = 1;
+  // Mapped value
+  ResponseValue value = 2;
+}
+
+// Automatically-generated message used to represent maps of Schema as ordered (name,value) pairs.
+message NamedSchema {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Schema value = 2;
+}
+
+// Automatically-generated message used to represent maps of SecurityDefinitionsItem as ordered (name,value) pairs.
+message NamedSecurityDefinitionsItem {
+  // Map key
+  string name = 1;
+  // Mapped value
+  SecurityDefinitionsItem value = 2;
+}
+
+// Automatically-generated message used to represent maps of string as ordered (name,value) pairs.
+message NamedString {
+  // Map key
+  string name = 1;
+  // Mapped value
+  string value = 2;
+}
+
+// Automatically-generated message used to represent maps of StringArray as ordered (name,value) pairs.
+message NamedStringArray {
+  // Map key
+  string name = 1;
+  // Mapped value
+  StringArray value = 2;
+}
+
+message NonBodyParameter {
+  oneof oneof {
+    HeaderParameterSubSchema header_parameter_sub_schema = 1;
+    FormDataParameterSubSchema form_data_parameter_sub_schema = 2;
+    QueryParameterSubSchema query_parameter_sub_schema = 3;
+    PathParameterSubSchema path_parameter_sub_schema = 4;
+  }
+}
+
+message Oauth2AccessCodeSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string authorization_url = 4;
+  string token_url = 5;
+  string description = 6;
+  repeated NamedAny vendor_extension = 7;
+}
+
+message Oauth2ApplicationSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string token_url = 4;
+  string description = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+message Oauth2ImplicitSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string authorization_url = 4;
+  string description = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+message Oauth2PasswordSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string token_url = 4;
+  string description = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+message Oauth2Scopes {
+  repeated NamedString additional_properties = 1;
+}
+
+message Operation {
+  repeated string tags = 1;
+  // A brief summary of the operation.
+  string summary = 2;
+  // A longer description of the operation, GitHub Flavored Markdown is allowed.
+  string description = 3;
+  ExternalDocs external_docs = 4;
+  // A unique identifier of the operation.
+  string operation_id = 5;
+  // A list of MIME types the API can produce.
+  repeated string produces = 6;
+  // A list of MIME types the API can consume.
+  repeated string consumes = 7;
+  // The parameters needed to send a valid API call.
+  repeated ParametersItem parameters = 8;
+  Responses responses = 9;
+  // The transfer protocol of the API.
+  repeated string schemes = 10;
+  bool deprecated = 11;
+  repeated SecurityRequirement security = 12;
+  repeated NamedAny vendor_extension = 13;
+}
+
+message Parameter {
+  oneof oneof {
+    BodyParameter body_parameter = 1;
+    NonBodyParameter non_body_parameter = 2;
+  }
+}
+
+// One or more JSON representations for parameters
+message ParameterDefinitions {
+  repeated NamedParameter additional_properties = 1;
+}
+
+message ParametersItem {
+  oneof oneof {
+    Parameter parameter = 1;
+    JsonReference json_reference = 2;
+  }
+}
+
+message PathItem {
+  string _ref = 1;
+  Operation get = 2;
+  Operation put = 3;
+  Operation post = 4;
+  Operation delete = 5;
+  Operation options = 6;
+  Operation head = 7;
+  Operation patch = 8;
+  // The parameters needed to send a valid API call.
+  repeated ParametersItem parameters = 9;
+  repeated NamedAny vendor_extension = 10;
+}
+
+message PathParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  string type = 5;
+  string format = 6;
+  PrimitivesItems items = 7;
+  string collection_format = 8;
+  Any default = 9;
+  double maximum = 10;
+  bool exclusive_maximum = 11;
+  double minimum = 12;
+  bool exclusive_minimum = 13;
+  int64 max_length = 14;
+  int64 min_length = 15;
+  string pattern = 16;
+  int64 max_items = 17;
+  int64 min_items = 18;
+  bool unique_items = 19;
+  repeated Any enum = 20;
+  double multiple_of = 21;
+  repeated NamedAny vendor_extension = 22;
+}
+
+// Relative paths to the individual endpoints. They must be relative to the 'basePath'.
+message Paths {
+  repeated NamedAny vendor_extension = 1;
+  repeated NamedPathItem path = 2;
+}
+
+message PrimitivesItems {
+  string type = 1;
+  string format = 2;
+  PrimitivesItems items = 3;
+  string collection_format = 4;
+  Any default = 5;
+  double maximum = 6;
+  bool exclusive_maximum = 7;
+  double minimum = 8;
+  bool exclusive_minimum = 9;
+  int64 max_length = 10;
+  int64 min_length = 11;
+  string pattern = 12;
+  int64 max_items = 13;
+  int64 min_items = 14;
+  bool unique_items = 15;
+  repeated Any enum = 16;
+  double multiple_of = 17;
+  repeated NamedAny vendor_extension = 18;
+}
+
+message Properties {
+  repeated NamedSchema additional_properties = 1;
+}
+
+message QueryParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  // allows sending a parameter by name only or with an empty value.
+  bool allow_empty_value = 5;
+  string type = 6;
+  string format = 7;
+  PrimitivesItems items = 8;
+  string collection_format = 9;
+  Any default = 10;
+  double maximum = 11;
+  bool exclusive_maximum = 12;
+  double minimum = 13;
+  bool exclusive_minimum = 14;
+  int64 max_length = 15;
+  int64 min_length = 16;
+  string pattern = 17;
+  int64 max_items = 18;
+  int64 min_items = 19;
+  bool unique_items = 20;
+  repeated Any enum = 21;
+  double multiple_of = 22;
+  repeated NamedAny vendor_extension = 23;
+}
+
+message Response {
+  string description = 1;
+  SchemaItem schema = 2;
+  Headers headers = 3;
+  Examples examples = 4;
+  repeated NamedAny vendor_extension = 5;
+}
+
+// One or more JSON representations for parameters
+message ResponseDefinitions {
+  repeated NamedResponse additional_properties = 1;
+}
+
+message ResponseValue {
+  oneof oneof {
+    Response response = 1;
+    JsonReference json_reference = 2;
+  }
+}
+
+// Response objects names can either be any valid HTTP status code or 'default'.
+message Responses {
+  repeated NamedResponseValue response_code = 1;
+  repeated NamedAny vendor_extension = 2;
+}
+
+// A deterministic version of a JSON Schema object.
+message Schema {
+  string _ref = 1;
+  string format = 2;
+  string title = 3;
+  string description = 4;
+  Any default = 5;
+  double multiple_of = 6;
+  double maximum = 7;
+  bool exclusive_maximum = 8;
+  double minimum = 9;
+  bool exclusive_minimum = 10;
+  int64 max_length = 11;
+  int64 min_length = 12;
+  string pattern = 13;
+  int64 max_items = 14;
+  int64 min_items = 15;
+  bool unique_items = 16;
+  int64 max_properties = 17;
+  int64 min_properties = 18;
+  repeated string required = 19;
+  repeated Any enum = 20;
+  AdditionalPropertiesItem additional_properties = 21;
+  TypeItem type = 22;
+  ItemsItem items = 23;
+  repeated Schema all_of = 24;
+  Properties properties = 25;
+  string discriminator = 26;
+  bool read_only = 27;
+  Xml xml = 28;
+  ExternalDocs external_docs = 29;
+  Any example = 30;
+  repeated NamedAny vendor_extension = 31;
+}
+
+message SchemaItem {
+  oneof oneof {
+    Schema schema = 1;
+    FileSchema file_schema = 2;
+  }
+}
+
+message SecurityDefinitions {
+  repeated NamedSecurityDefinitionsItem additional_properties = 1;
+}
+
+message SecurityDefinitionsItem {
+  oneof oneof {
+    BasicAuthenticationSecurity basic_authentication_security = 1;
+    ApiKeySecurity api_key_security = 2;
+    Oauth2ImplicitSecurity oauth2_implicit_security = 3;
+    Oauth2PasswordSecurity oauth2_password_security = 4;
+    Oauth2ApplicationSecurity oauth2_application_security = 5;
+    Oauth2AccessCodeSecurity oauth2_access_code_security = 6;
+  }
+}
+
+message SecurityRequirement {
+  repeated NamedStringArray additional_properties = 1;
+}
+
+message StringArray {
+  repeated string value = 1;
+}
+
+message Tag {
+  string name = 1;
+  string description = 2;
+  ExternalDocs external_docs = 3;
+  repeated NamedAny vendor_extension = 4;
+}
+
+message TypeItem {
+  repeated string value = 1;
+}
+
+// Any property starting with x- is valid.
+message VendorExtension {
+  repeated NamedAny additional_properties = 1;
+}
+
+message Xml {
+  string name = 1;
+  string namespace = 2;
+  string prefix = 3;
+  bool attribute = 4;
+  bool wrapped = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+

vendor/github.com/googleapis/gnostic/OpenAPIv2/README.md

@@ -0,0 +1,16 @@
+# OpenAPI v2 Protocol Buffer Models
+
+This directory contains a Protocol Buffer-language model
+and related code for supporting OpenAPI v2.
+
+Gnostic applications and plugins can use OpenAPIv2.proto
+to generate Protocol Buffer support code for their preferred languages.
+
+OpenAPIv2.go is used by Gnostic to read JSON and YAML OpenAPI 
+descriptions into the Protocol Buffer-based datastructures 
+generated from OpenAPIv2.proto.
+
+OpenAPIv2.proto and OpenAPIv2.go are generated by the Gnostic 
+compiler generator, and OpenAPIv2.pb.go is generated by 
+protoc, the Protocol Buffer compiler, and protoc-gen-go, the
+Protocol Buffer Go code generation plugin.

vendor/github.com/googleapis/gnostic/compiler/BUILD

@@ -0,0 +1,40 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "context.go",
+        "error.go",
+        "extension-handler.go",
+        "helpers.go",
+        "main.go",
+        "reader.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//vendor/github.com/golang/protobuf/proto:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes/any:go_default_library",
+        "//vendor/github.com/googleapis/gnostic/extensions:go_default_library",
+        "//vendor/gopkg.in/yaml.v2:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/github.com/googleapis/gnostic/compiler/README.md

@@ -0,0 +1,3 @@
+# Compiler support code
+
+This directory contains compiler support code used by Gnostic and Gnostic extensions.

vendor/github.com/googleapis/gnostic/compiler/context.go

@@ -0,0 +1,41 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package compiler
+
+type Context struct {
+	Parent            *Context
+	Name              string
+	ExtensionHandlers *[]ExtensionHandler
+}
+
+func NewContextWithExtensions(name string, parent *Context, extensionHandlers *[]ExtensionHandler) *Context {
+	return &Context{Name: name, Parent: parent, ExtensionHandlers: extensionHandlers}
+}
+
+func NewContext(name string, parent *Context) *Context {
+	if parent != nil {
+		return &Context{Name: name, Parent: parent, ExtensionHandlers: parent.ExtensionHandlers}
+	} else {
+		return &Context{Name: name, Parent: parent, ExtensionHandlers: nil}
+	}
+}
+
+func (context *Context) Description() string {
+	if context.Parent != nil {
+		return context.Parent.Description() + "." + context.Name
+	} else {
+		return context.Name
+	}
+}

vendor/github.com/googleapis/gnostic/compiler/error.go

@@ -0,0 +1,59 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package compiler
+
+// basic error type
+type Error struct {
+	Context *Context
+	Message string
+}
+
+func NewError(context *Context, message string) *Error {
+	return &Error{Context: context, Message: message}
+}
+
+func (err *Error) Error() string {
+	if err.Context != nil {
+		return "ERROR " + err.Context.Description() + " " + err.Message
+	} else {
+		return "ERROR " + err.Message
+	}
+}
+
+// container for groups of errors
+type ErrorGroup struct {
+	Errors []error
+}
+
+func NewErrorGroupOrNil(errors []error) error {
+	if len(errors) == 0 {
+		return nil
+	} else if len(errors) == 1 {
+		return errors[0]
+	} else {
+		return &ErrorGroup{Errors: errors}
+	}
+}
+
+func (group *ErrorGroup) Error() string {
+	result := ""
+	for i, err := range group.Errors {
+		if i > 0 {
+			result += "\n"
+		}
+		result += err.Error()
+	}
+	return result
+}

vendor/github.com/googleapis/gnostic/compiler/extension-handler.go

@@ -0,0 +1,99 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package compiler
+
+import (
+	"bytes"
+	"fmt"
+	"os/exec"
+
+	"strings"
+
+	"errors"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes/any"
+	ext_plugin "github.com/googleapis/gnostic/extensions"
+	yaml "gopkg.in/yaml.v2"
+)
+
+type ExtensionHandler struct {
+	Name string
+}
+
+func HandleExtension(context *Context, in interface{}, extensionName string) (bool, *any.Any, error) {
+	handled := false
+	var errFromPlugin error
+	var outFromPlugin *any.Any
+
+	if context.ExtensionHandlers != nil && len(*(context.ExtensionHandlers)) != 0 {
+		for _, customAnyProtoGenerator := range *(context.ExtensionHandlers) {
+			outFromPlugin, errFromPlugin = customAnyProtoGenerator.handle(in, extensionName)
+			if outFromPlugin == nil {
+				continue
+			} else {
+				handled = true
+				break
+			}
+		}
+	}
+	return handled, outFromPlugin, errFromPlugin
+}
+
+func (extensionHandlers *ExtensionHandler) handle(in interface{}, extensionName string) (*any.Any, error) {
+	if extensionHandlers.Name != "" {
+		binary, _ := yaml.Marshal(in)
+
+		request := &ext_plugin.ExtensionHandlerRequest{}
+
+		version := &ext_plugin.Version{}
+		version.Major = 0
+		version.Minor = 1
+		version.Patch = 0
+		request.CompilerVersion = version
+
+		request.Wrapper = &ext_plugin.Wrapper{}
+
+		request.Wrapper.Version = "v2"
+		request.Wrapper.Yaml = string(binary)
+		request.Wrapper.ExtensionName = extensionName
+
+		requestBytes, _ := proto.Marshal(request)
+		cmd := exec.Command(extensionHandlers.Name)
+		cmd.Stdin = bytes.NewReader(requestBytes)
+		output, err := cmd.Output()
+
+		if err != nil {
+			fmt.Printf("Error: %+v\n", err)
+			return nil, err
+		}
+		response := &ext_plugin.ExtensionHandlerResponse{}
+		err = proto.Unmarshal(output, response)
+		if err != nil {
+			fmt.Printf("Error: %+v\n", err)
+			fmt.Printf("%s\n", string(output))
+			return nil, err
+		}
+		if !response.Handled {
+			return nil, nil
+		}
+		if len(response.Error) != 0 {
+			message := fmt.Sprintf("Errors when parsing: %+v for field %s by vendor extension handler %s. Details %+v", in, extensionName, extensionHandlers.Name, strings.Join(response.Error, ","))
+			return nil, errors.New(message)
+		}
+		return response.Value, nil
+	}
+	return nil, nil
+}

vendor/github.com/googleapis/gnostic/compiler/helpers.go

@@ -0,0 +1,193 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package compiler
+
+import (
+	"fmt"
+	"gopkg.in/yaml.v2"
+	"regexp"
+	"sort"
+	"strings"
+)
+
+// compiler helper functions, usually called from generated code
+
+func UnpackMap(in interface{}) (yaml.MapSlice, bool) {
+	m, ok := in.(yaml.MapSlice)
+	if ok {
+		return m, ok
+	} else {
+		// do we have an empty array?
+		a, ok := in.([]interface{})
+		if ok && len(a) == 0 {
+			// if so, return an empty map
+			return yaml.MapSlice{}, ok
+		} else {
+			return nil, ok
+		}
+	}
+}
+
+func SortedKeysForMap(m yaml.MapSlice) []string {
+	keys := make([]string, 0)
+	for _, item := range m {
+		keys = append(keys, item.Key.(string))
+	}
+	sort.Strings(keys)
+	return keys
+}
+
+func MapHasKey(m yaml.MapSlice, key string) bool {
+	for _, item := range m {
+		itemKey, ok := item.Key.(string)
+		if ok && key == itemKey {
+			return true
+		}
+	}
+	return false
+}
+
+func MapValueForKey(m yaml.MapSlice, key string) interface{} {
+	for _, item := range m {
+		itemKey, ok := item.Key.(string)
+		if ok && key == itemKey {
+			return item.Value
+		}
+	}
+	return nil
+}
+
+func ConvertInterfaceArrayToStringArray(interfaceArray []interface{}) []string {
+	stringArray := make([]string, 0)
+	for _, item := range interfaceArray {
+		v, ok := item.(string)
+		if ok {
+			stringArray = append(stringArray, v)
+		}
+	}
+	return stringArray
+}
+
+func PatternMatches(pattern string, value string) bool {
+	// if pattern contains a subpattern like "{path}", replace it with ".*"
+	if pattern[0] != '^' {
+		subpatternPattern := regexp.MustCompile("^.*(\\{.*\\}).*$")
+		if matches := subpatternPattern.FindSubmatch([]byte(pattern)); matches != nil {
+			match := string(matches[1])
+			pattern = strings.Replace(pattern, match, ".*", -1)
+		}
+	}
+	matched, err := regexp.Match(pattern, []byte(value))
+	if err != nil {
+		panic(err)
+	}
+	return matched
+}
+
+func MissingKeysInMap(m yaml.MapSlice, requiredKeys []string) []string {
+	missingKeys := make([]string, 0)
+	for _, k := range requiredKeys {
+		if !MapHasKey(m, k) {
+			missingKeys = append(missingKeys, k)
+		}
+	}
+	return missingKeys
+}
+
+func InvalidKeysInMap(m yaml.MapSlice, allowedKeys []string, allowedPatterns []string) []string {
+	invalidKeys := make([]string, 0)
+	for _, item := range m {
+		itemKey, ok := item.Key.(string)
+		if ok {
+			key := itemKey
+			found := false
+			// does the key match an allowed key?
+			for _, allowedKey := range allowedKeys {
+				if key == allowedKey {
+					found = true
+					break
+				}
+			}
+			if !found {
+				// does the key match an allowed pattern?
+				for _, allowedPattern := range allowedPatterns {
+					if PatternMatches(allowedPattern, key) {
+						found = true
+						break
+					}
+				}
+				if !found {
+					invalidKeys = append(invalidKeys, key)
+				}
+			}
+		}
+	}
+	return invalidKeys
+}
+
+// describe a map (for debugging purposes)
+func DescribeMap(in interface{}, indent string) string {
+	description := ""
+	m, ok := in.(map[string]interface{})
+	if ok {
+		keys := make([]string, 0)
+		for k, _ := range m {
+			keys = append(keys, k)
+		}
+		sort.Strings(keys)
+		for _, k := range keys {
+			v := m[k]
+			description += fmt.Sprintf("%s%s:\n", indent, k)
+			description += DescribeMap(v, indent+"  ")
+		}
+		return description
+	}
+	a, ok := in.([]interface{})
+	if ok {
+		for i, v := range a {
+			description += fmt.Sprintf("%s%d:\n", indent, i)
+			description += DescribeMap(v, indent+"  ")
+		}
+		return description
+	}
+	description += fmt.Sprintf("%s%+v\n", indent, in)
+	return description
+}
+
+func PluralProperties(count int) string {
+	if count == 1 {
+		return "property"
+	} else {
+		return "properties"
+	}
+}
+
+func StringArrayContainsValue(array []string, value string) bool {
+	for _, item := range array {
+		if item == value {
+			return true
+		}
+	}
+	return false
+}
+
+func StringArrayContainsValues(array []string, values []string) bool {
+	for _, value := range values {
+		if !StringArrayContainsValue(array, value) {
+			return false
+		}
+	}
+	return true
+}

vendor/github.com/googleapis/gnostic/compiler/main.go

@@ -0,0 +1,16 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package compiler provides support functions to generated compiler code.
+package compiler

vendor/github.com/googleapis/gnostic/compiler/reader.go

@@ -0,0 +1,167 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package compiler
+
+import (
+	"fmt"
+	"gopkg.in/yaml.v2"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"net/url"
+	"path/filepath"
+	"strings"
+)
+
+var file_cache map[string][]byte
+var info_cache map[string]interface{}
+var count int64
+
+var VERBOSE_READER = false
+
+func initializeFileCache() {
+	if file_cache == nil {
+		file_cache = make(map[string][]byte, 0)
+	}
+}
+
+func initializeInfoCache() {
+	if info_cache == nil {
+		info_cache = make(map[string]interface{}, 0)
+	}
+}
+
+func FetchFile(fileurl string) ([]byte, error) {
+	initializeFileCache()
+	bytes, ok := file_cache[fileurl]
+	if ok {
+		if VERBOSE_READER {
+			log.Printf("Cache hit %s", fileurl)
+		}
+		return bytes, nil
+	}
+	log.Printf("Fetching %s", fileurl)
+	response, err := http.Get(fileurl)
+	if err != nil {
+		return nil, err
+	} else {
+		defer response.Body.Close()
+		bytes, err := ioutil.ReadAll(response.Body)
+		if err == nil {
+			file_cache[fileurl] = bytes
+		}
+		return bytes, err
+	}
+}
+
+// read a file and unmarshal it as a yaml.MapSlice
+func ReadInfoForFile(filename string) (interface{}, error) {
+	initializeInfoCache()
+	info, ok := info_cache[filename]
+	if ok {
+		if VERBOSE_READER {
+			log.Printf("Cache hit info for file %s", filename)
+		}
+		return info, nil
+	}
+	if VERBOSE_READER {
+		log.Printf("Reading info for file %s", filename)
+	}
+
+	// is the filename a url?
+	fileurl, _ := url.Parse(filename)
+	if fileurl.Scheme != "" {
+		// yes, fetch it
+		bytes, err := FetchFile(filename)
+		if err != nil {
+			return nil, err
+		}
+		var info yaml.MapSlice
+		err = yaml.Unmarshal(bytes, &info)
+		if err != nil {
+			return nil, err
+		}
+		info_cache[filename] = info
+		return info, nil
+	} else {
+		// no, it's a local filename
+		bytes, err := ioutil.ReadFile(filename)
+		if err != nil {
+			log.Printf("File error: %v\n", err)
+			return nil, err
+		}
+		var info yaml.MapSlice
+		err = yaml.Unmarshal(bytes, &info)
+		if err != nil {
+			return nil, err
+		}
+		info_cache[filename] = info
+		return info, nil
+	}
+}
+
+// read a file and return the fragment needed to resolve a $ref
+func ReadInfoForRef(basefile string, ref string) (interface{}, error) {
+	initializeInfoCache()
+	{
+		info, ok := info_cache[ref]
+		if ok {
+			if VERBOSE_READER {
+				log.Printf("Cache hit for ref %s#%s", basefile, ref)
+			}
+			return info, nil
+		}
+	}
+	if VERBOSE_READER {
+		log.Printf("Reading info for ref %s#%s", basefile, ref)
+	}
+	count = count + 1
+	basedir, _ := filepath.Split(basefile)
+	parts := strings.Split(ref, "#")
+	var filename string
+	if parts[0] != "" {
+		filename = basedir + parts[0]
+	} else {
+		filename = basefile
+	}
+	info, err := ReadInfoForFile(filename)
+	if err != nil {
+		log.Printf("File error: %v\n", err)
+	} else {
+		if len(parts) > 1 {
+			path := strings.Split(parts[1], "/")
+			for i, key := range path {
+				if i > 0 {
+					m, ok := info.(yaml.MapSlice)
+					if ok {
+						found := false
+						for _, section := range m {
+							if section.Key == key {
+								info = section.Value
+								found = true
+							}
+						}
+						if !found {
+							info_cache[ref] = nil
+							return nil, NewError(nil, fmt.Sprintf("could not resolve %s", ref))
+						}
+					}
+				}
+			}
+		}
+	}
+	info_cache[ref] = info
+	return info, nil
+}

vendor/github.com/googleapis/gnostic/extensions/BUILD

@@ -0,0 +1,36 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "extension.pb.go",
+        "extensions.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//vendor/github.com/golang/protobuf/proto:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes:go_default_library",
+        "//vendor/github.com/golang/protobuf/ptypes/any:go_default_library",
+        "//vendor/gopkg.in/yaml.v2:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/github.com/googleapis/gnostic/extensions/COMPILE-EXTENSION.sh

@@ -0,0 +1,7 @@
+go get github.com/golang/protobuf/protoc-gen-go
+
+protoc \
+--go_out=Mgoogle/protobuf/any.proto=github.com/golang/protobuf/ptypes/any:. *.proto 
+
+go build
+go install

vendor/github.com/googleapis/gnostic/extensions/README.md

@@ -0,0 +1,5 @@
+# Extensions
+
+This directory contains support code for building Gnostic extensions and associated examples.
+
+Extensions are used to compile vendor or specification extensions into protocol buffer structures.

vendor/github.com/googleapis/gnostic/extensions/extension.pb.go

@@ -0,0 +1,219 @@
+// Code generated by protoc-gen-go.
+// source: extension.proto
+// DO NOT EDIT!
+
+/*
+Package openapiextension_v1 is a generated protocol buffer package.
+
+It is generated from these files:
+	extension.proto
+
+It has these top-level messages:
+	Version
+	ExtensionHandlerRequest
+	ExtensionHandlerResponse
+	Wrapper
+*/
+package openapiextension_v1
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import google_protobuf "github.com/golang/protobuf/ptypes/any"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+// The version number of OpenAPI compiler.
+type Version struct {
+	Major int32 `protobuf:"varint,1,opt,name=major" json:"major,omitempty"`
+	Minor int32 `protobuf:"varint,2,opt,name=minor" json:"minor,omitempty"`
+	Patch int32 `protobuf:"varint,3,opt,name=patch" json:"patch,omitempty"`
+	// A suffix for alpha, beta or rc release, e.g., "alpha-1", "rc2". It should
+	// be empty for mainline stable releases.
+	Suffix string `protobuf:"bytes,4,opt,name=suffix" json:"suffix,omitempty"`
+}
+
+func (m *Version) Reset()                    { *m = Version{} }
+func (m *Version) String() string            { return proto.CompactTextString(m) }
+func (*Version) ProtoMessage()               {}
+func (*Version) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func (m *Version) GetMajor() int32 {
+	if m != nil {
+		return m.Major
+	}
+	return 0
+}
+
+func (m *Version) GetMinor() int32 {
+	if m != nil {
+		return m.Minor
+	}
+	return 0
+}
+
+func (m *Version) GetPatch() int32 {
+	if m != nil {
+		return m.Patch
+	}
+	return 0
+}
+
+func (m *Version) GetSuffix() string {
+	if m != nil {
+		return m.Suffix
+	}
+	return ""
+}
+
+// An encoded Request is written to the ExtensionHandler's stdin.
+type ExtensionHandlerRequest struct {
+	// The OpenAPI descriptions that were explicitly listed on the command line.
+	// The specifications will appear in the order they are specified to openapic.
+	Wrapper *Wrapper `protobuf:"bytes,1,opt,name=wrapper" json:"wrapper,omitempty"`
+	// The version number of openapi compiler.
+	CompilerVersion *Version `protobuf:"bytes,3,opt,name=compiler_version,json=compilerVersion" json:"compiler_version,omitempty"`
+}
+
+func (m *ExtensionHandlerRequest) Reset()                    { *m = ExtensionHandlerRequest{} }
+func (m *ExtensionHandlerRequest) String() string            { return proto.CompactTextString(m) }
+func (*ExtensionHandlerRequest) ProtoMessage()               {}
+func (*ExtensionHandlerRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
+
+func (m *ExtensionHandlerRequest) GetWrapper() *Wrapper {
+	if m != nil {
+		return m.Wrapper
+	}
+	return nil
+}
+
+func (m *ExtensionHandlerRequest) GetCompilerVersion() *Version {
+	if m != nil {
+		return m.CompilerVersion
+	}
+	return nil
+}
+
+// The extensions writes an encoded ExtensionHandlerResponse to stdout.
+type ExtensionHandlerResponse struct {
+	// true if the extension is handled by the extension handler; false otherwise
+	Handled bool `protobuf:"varint,1,opt,name=handled" json:"handled,omitempty"`
+	// Error message.  If non-empty, the extension handling failed.
+	// The extension handler process should exit with status code zero
+	// even if it reports an error in this way.
+	//
+	// This should be used to indicate errors which prevent the extension from
+	// operating as intended.  Errors which indicate a problem in gnostic
+	// itself -- such as the input Document being unparseable -- should be
+	// reported by writing a message to stderr and exiting with a non-zero
+	// status code.
+	Error []string `protobuf:"bytes,2,rep,name=error" json:"error,omitempty"`
+	// text output
+	Value *google_protobuf.Any `protobuf:"bytes,3,opt,name=value" json:"value,omitempty"`
+}
+
+func (m *ExtensionHandlerResponse) Reset()                    { *m = ExtensionHandlerResponse{} }
+func (m *ExtensionHandlerResponse) String() string            { return proto.CompactTextString(m) }
+func (*ExtensionHandlerResponse) ProtoMessage()               {}
+func (*ExtensionHandlerResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
+
+func (m *ExtensionHandlerResponse) GetHandled() bool {
+	if m != nil {
+		return m.Handled
+	}
+	return false
+}
+
+func (m *ExtensionHandlerResponse) GetError() []string {
+	if m != nil {
+		return m.Error
+	}
+	return nil
+}
+
+func (m *ExtensionHandlerResponse) GetValue() *google_protobuf.Any {
+	if m != nil {
+		return m.Value
+	}
+	return nil
+}
+
+type Wrapper struct {
+	// version of the OpenAPI specification in which this extension was written.
+	Version string `protobuf:"bytes,1,opt,name=version" json:"version,omitempty"`
+	// Name of the extension
+	ExtensionName string `protobuf:"bytes,2,opt,name=extension_name,json=extensionName" json:"extension_name,omitempty"`
+	// Must be a valid yaml for the proto
+	Yaml string `protobuf:"bytes,3,opt,name=yaml" json:"yaml,omitempty"`
+}
+
+func (m *Wrapper) Reset()                    { *m = Wrapper{} }
+func (m *Wrapper) String() string            { return proto.CompactTextString(m) }
+func (*Wrapper) ProtoMessage()               {}
+func (*Wrapper) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
+
+func (m *Wrapper) GetVersion() string {
+	if m != nil {
+		return m.Version
+	}
+	return ""
+}
+
+func (m *Wrapper) GetExtensionName() string {
+	if m != nil {
+		return m.ExtensionName
+	}
+	return ""
+}
+
+func (m *Wrapper) GetYaml() string {
+	if m != nil {
+		return m.Yaml
+	}
+	return ""
+}
+
+func init() {
+	proto.RegisterType((*Version)(nil), "openapiextension.v1.Version")
+	proto.RegisterType((*ExtensionHandlerRequest)(nil), "openapiextension.v1.ExtensionHandlerRequest")
+	proto.RegisterType((*ExtensionHandlerResponse)(nil), "openapiextension.v1.ExtensionHandlerResponse")
+	proto.RegisterType((*Wrapper)(nil), "openapiextension.v1.Wrapper")
+}
+
+func init() { proto.RegisterFile("extension.proto", fileDescriptor0) }
+
+var fileDescriptor0 = []byte{
+	// 355 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x74, 0x91, 0x4d, 0x4b, 0xf3, 0x40,
+	0x1c, 0xc4, 0x49, 0xdf, 0xf2, 0x64, 0x1f, 0xb4, 0xb2, 0x16, 0x8d, 0xe2, 0xa1, 0x04, 0x84, 0x22,
+	0xb8, 0xa5, 0x0a, 0xde, 0x5b, 0x28, 0xea, 0xc5, 0x96, 0x3d, 0xd4, 0x9b, 0x65, 0x9b, 0xfe, 0xdb,
+	0x46, 0x92, 0xdd, 0x75, 0xf3, 0x62, 0xfb, 0x55, 0x3c, 0xfa, 0x49, 0x25, 0xbb, 0xd9, 0x7a, 0x50,
+	0x6f, 0x99, 0x1f, 0x93, 0xfc, 0x67, 0x26, 0xa8, 0x0d, 0xdb, 0x0c, 0x78, 0x1a, 0x09, 0x4e, 0xa4,
+	0x12, 0x99, 0xc0, 0xc7, 0x42, 0x02, 0x67, 0x32, 0xfa, 0xe6, 0xc5, 0xe0, 0xfc, 0x6c, 0x2d, 0xc4,
+	0x3a, 0x86, 0xbe, 0xb6, 0x2c, 0xf2, 0x55, 0x9f, 0xf1, 0x9d, 0xf1, 0x07, 0x21, 0x72, 0x67, 0xa0,
+	0x4a, 0x23, 0xee, 0xa0, 0x66, 0xc2, 0x5e, 0x85, 0xf2, 0x9d, 0xae, 0xd3, 0x6b, 0x52, 0x23, 0x34,
+	0x8d, 0xb8, 0x50, 0x7e, 0xad, 0xa2, 0xa5, 0x28, 0xa9, 0x64, 0x59, 0xb8, 0xf1, 0xeb, 0x86, 0x6a,
+	0x81, 0x4f, 0x50, 0x2b, 0xcd, 0x57, 0xab, 0x68, 0xeb, 0x37, 0xba, 0x4e, 0xcf, 0xa3, 0x95, 0x0a,
+	0x3e, 0x1c, 0x74, 0x3a, 0xb6, 0x81, 0x1e, 0x18, 0x5f, 0xc6, 0xa0, 0x28, 0xbc, 0xe5, 0x90, 0x66,
+	0xf8, 0x0e, 0xb9, 0xef, 0x8a, 0x49, 0x09, 0xe6, 0xee, 0xff, 0x9b, 0x0b, 0xf2, 0x4b, 0x05, 0xf2,
+	0x6c, 0x3c, 0xd4, 0x9a, 0xf1, 0x3d, 0x3a, 0x0a, 0x45, 0x22, 0xa3, 0x18, 0xd4, 0xbc, 0x30, 0x0d,
+	0x74, 0x98, 0xbf, 0x3e, 0x50, 0xb5, 0xa4, 0x6d, 0xfb, 0x56, 0x05, 0x82, 0x02, 0xf9, 0x3f, 0xb3,
+	0xa5, 0x52, 0xf0, 0x14, 0xb0, 0x8f, 0xdc, 0x8d, 0x46, 0x4b, 0x1d, 0xee, 0x1f, 0xb5, 0xb2, 0x1c,
+	0x00, 0x94, 0xd2, 0xb3, 0xd4, 0x7b, 0x1e, 0x35, 0x02, 0x5f, 0xa1, 0x66, 0xc1, 0xe2, 0x1c, 0xaa,
+	0x24, 0x1d, 0x62, 0x86, 0x27, 0x76, 0x78, 0x32, 0xe4, 0x3b, 0x6a, 0x2c, 0xc1, 0x0b, 0x72, 0xab,
+	0x52, 0xe5, 0x19, 0x5b, 0xc1, 0xd1, 0xc3, 0x59, 0x89, 0x2f, 0xd1, 0xe1, 0xbe, 0xc5, 0x9c, 0xb3,
+	0x04, 0xf4, 0x6f, 0xf0, 0xe8, 0xc1, 0x9e, 0x3e, 0xb1, 0x04, 0x30, 0x46, 0x8d, 0x1d, 0x4b, 0x62,
+	0x7d, 0xd6, 0xa3, 0xfa, 0x79, 0x74, 0x8d, 0xda, 0x42, 0xad, 0xed, 0x16, 0x21, 0x29, 0x06, 0x23,
+	0x3c, 0x91, 0xc0, 0x87, 0xd3, 0xc7, 0x7d, 0xdf, 0xd9, 0x60, 0xea, 0x7c, 0xd6, 0xea, 0x93, 0xe1,
+	0x78, 0xd1, 0xd2, 0x19, 0x6f, 0xbf, 0x02, 0x00, 0x00, 0xff, 0xff, 0xfc, 0x56, 0x40, 0x4d, 0x52,
+	0x02, 0x00, 0x00,
+}

vendor/github.com/googleapis/gnostic/extensions/extension.proto

@@ -0,0 +1,93 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+import "google/protobuf/any.proto";
+package openapiextension.v1;
+
+// This option lets the proto compiler generate Java code inside the package
+// name (see below) instead of inside an outer class. It creates a simpler
+// developer experience by reducing one-level of name nesting and be
+// consistent with most programming languages that don't support outer classes.
+option java_multiple_files = true;
+
+// The Java outer classname should be the filename in UpperCamelCase. This
+// class is only used to hold proto descriptor, so developers don't need to
+// work with it directly.
+option java_outer_classname = "OpenAPIExtensionV1";
+
+// The Java package name must be proto package name with proper prefix.
+option java_package = "org.openapic.v1";
+
+// A reasonable prefix for the Objective-C symbols generated from the package.
+// It should at a minimum be 3 characters long, all uppercase, and convention
+// is to use an abbreviation of the package name. Something short, but
+// hopefully unique enough to not conflict with things that may come along in
+// the future. 'GPB' is reserved for the protocol buffer implementation itself.
+//
+option objc_class_prefix = "OAE"; // "OpenAPI Extension"
+
+// The version number of OpenAPI compiler.
+message Version {
+  int32 major = 1;
+  int32 minor = 2;
+  int32 patch = 3;
+  // A suffix for alpha, beta or rc release, e.g., "alpha-1", "rc2". It should
+  // be empty for mainline stable releases.
+  string suffix = 4;
+}
+
+// An encoded Request is written to the ExtensionHandler's stdin.
+message ExtensionHandlerRequest {
+
+  // The OpenAPI descriptions that were explicitly listed on the command line.
+  // The specifications will appear in the order they are specified to openapic.
+  Wrapper wrapper = 1;
+
+  // The version number of openapi compiler.
+  Version compiler_version = 3;
+}
+
+// The extensions writes an encoded ExtensionHandlerResponse to stdout.
+message ExtensionHandlerResponse {
+
+  // true if the extension is handled by the extension handler; false otherwise
+  bool handled = 1;
+
+  // Error message.  If non-empty, the extension handling failed.
+  // The extension handler process should exit with status code zero
+  // even if it reports an error in this way.
+  //
+  // This should be used to indicate errors which prevent the extension from
+  // operating as intended.  Errors which indicate a problem in gnostic
+  // itself -- such as the input Document being unparseable -- should be
+  // reported by writing a message to stderr and exiting with a non-zero
+  // status code.
+  repeated string error = 2;
+
+  // text output
+  google.protobuf.Any value = 3;
+}
+
+message Wrapper {
+  // version of the OpenAPI specification in which this extension was written.
+  string version = 1;
+
+  // Name of the extension
+  string extension_name = 2;
+
+  // Must be a valid yaml for the proto
+  string yaml = 3;
+}

vendor/github.com/googleapis/gnostic/extensions/extensions.go

@@ -0,0 +1,83 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package openapiextension_v1
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	"github.com/golang/protobuf/proto"
+	"github.com/golang/protobuf/ptypes"
+	"gopkg.in/yaml.v2"
+)
+
+type documentHandler func(version string, extensionName string, document string)
+type extensionHandler func(name string, info yaml.MapSlice) (bool, proto.Message, error)
+
+func forInputYamlFromOpenapic(handler documentHandler) {
+	data, err := ioutil.ReadAll(os.Stdin)
+
+	if err != nil {
+		fmt.Println("File error:", err.Error())
+		os.Exit(1)
+	}
+	request := &ExtensionHandlerRequest{}
+	err = proto.Unmarshal(data, request)
+	handler(request.Wrapper.Version, request.Wrapper.ExtensionName, request.Wrapper.Yaml)
+}
+
+func ProcessExtension(handleExtension extensionHandler) {
+	response := &ExtensionHandlerResponse{}
+	forInputYamlFromOpenapic(
+		func(version string, extensionName string, yamlInput string) {
+			var info yaml.MapSlice
+			var newObject proto.Message
+			var err error
+			err = yaml.Unmarshal([]byte(yamlInput), &info)
+			if err != nil {
+				response.Error = append(response.Error, err.Error())
+				responseBytes, _ := proto.Marshal(response)
+				os.Stdout.Write(responseBytes)
+				os.Exit(0)
+			}
+
+			handled, newObject, err := handleExtension(extensionName, info)
+			if !handled {
+				responseBytes, _ := proto.Marshal(response)
+				os.Stdout.Write(responseBytes)
+				os.Exit(0)
+			}
+
+			// If we reach here, then the extension is handled
+			response.Handled = true
+			if err != nil {
+				response.Error = append(response.Error, err.Error())
+				responseBytes, _ := proto.Marshal(response)
+				os.Stdout.Write(responseBytes)
+				os.Exit(0)
+			}
+			response.Value, err = ptypes.MarshalAny(newObject)
+			if err != nil {
+				response.Error = append(response.Error, err.Error())
+				responseBytes, _ := proto.Marshal(response)
+				os.Stdout.Write(responseBytes)
+				os.Exit(0)
+			}
+		})
+
+	responseBytes, _ := proto.Marshal(response)
+	os.Stdout.Write(responseBytes)
+}

vendor/google.golang.org/api/compute/v0.alpha/BUILD

@@ -2,23 +2,6 @@ package(default_visibility = ["//visibility:public"])
 
 licenses(["notice"])
 
-load(
-    "@io_bazel_rules_go//go:def.bzl",
-    "go_library",
-)
-
-go_library(
-    name = "go_default_library",
-    srcs = ["compute-gen.go"],
-    tags = ["automanaged"],
-    deps = [
-        "//vendor/golang.org/x/net/context:go_default_library",
-        "//vendor/golang.org/x/net/context/ctxhttp:go_default_library",
-        "//vendor/google.golang.org/api/gensupport:go_default_library",
-        "//vendor/google.golang.org/api/googleapi:go_default_library",
-    ],
-)
-
 filegroup(
     name = "package-srcs",
     srcs = glob(["**"]),