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Generate unique Operation IDs for root OpenAPI spec
This PR adds a customization method GetOperationID to OpenAPI spec generation and then use it to make sure root spec has unique operation IDs by mostly adding GroupVersion to the start of operation ID.
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Refactor cert utils into one pkg, add funcs from bootkube for kubeadm to use
**What this PR does / why we need it**:
We have ended-up with rather incomplete and fragmented collection of utils for handling certificates. It may be worse to consider using `cfssl` for doing all of these things, but for now there is some functionality that we need in `kubeadm` that we can borrow from bootkube. It makes sense to move the utils from bookube into core, as discussed in #31221.
**Special notes for your reviewer**: I've taken the opportunity to review names of existing funcs and tried to make some improvements in that area (with help from @peterbourgon).
**Release note**:
```release-note
NONE
```
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controller: enhance timeout error message for Recreate deployments
Makes the error message from https://github.com/kubernetes/kubernetes/issues/29197 more obvious
@kubernetes/deployment
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etcd: data rollback tool of v3 -> v2
ref: https://github.com/kubernetes/features/issues/44
ref #20504
What?
This provides a rollback tool for some users to rollback etcd data from v3 to v2.
- Generating models using go2idl library (no reflection anymore)
- Remove dependencies on go-restful/swagger
- Generate one swagger.json file for each web-service
- Bugfix: fixed a bug in trie implementation
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Move CSR helper for nodes out of kubelet
**What this PR does / why we need it**:
Including `cmd/kubelet/app` in kubeadm causes flag leakage.
Namelly, the problem is with `pkg/credentialprovider/gcp`, which
leaks `--google-json-key` and changing the behaviour of `init()`
doesn't sound reasonable, given kubelet is the only one who uses
this packages and obviously the flag is part of the functionality.
The helper is already generic enough, it has already been exported
and works well for kubeadm, so moving it should be fine.
**Special notes for your reviewer**: cc @mikedanese @yifan-gu @gtank
**Release note**:
```release-note
NONE
```
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Set Job's labels from PodTemplateSpec if none are specified
Fixes#31009 and replaces #32033.
@AdoHe I've picked your changes, added the additional ones for 'batch/v2alpha1' and most importantly added tests for job's defaulting. ptal
Including `cmd/kubelet/app` in kubeadm causes flag leakage.
Namelly, the problem is with `pkg/credentialprovider/gcp`, which
leaks `--google-json-key` and changing the behaviour of `init()`
doesn't sound reasonable, given kubelet is the only one who uses
this packages and obviously the flag is part of the functionality.
The helper is already generic enough, it has already been exported
and works well for kubeadm, so moving it should be fine.
Automatic merge from submit-queue
Fix make test-integration under OSX
Just throw in a doc.go so there's something compilable in the
test/integration/metrics directory.
Fixes#31587
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Split the version metric out to its own package
This PR breaks a client dependency on prometheus. Combined with #30638, the client will no longer depend on these packages.
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Node Conformance Test: Refactor node e2e framework
For #30122, #30174.
Based on #30348.
**Please only review the last 3 commits.**
This PR is part of our roadmap to package node conformance test.
The 1st commit is from #30348, it removed unnecessary dependencies in the node e2e test framework, because we've statically linked these dependencies.
The PR refactored the node e2e framework. Moving different utilities into different packages under `pkg/`.
We need to do this because:
1) Files like e2e_remote.go and e2e_build.go should only be used by runner, but they were compiled into the test suite because they were placed in the same package. The worst thing is that it will introduce some never used flags in the test suite binary.
2) Make the directory structure more clear. Only test should be placed in `test/e2e_node`, other utilities should be placed in different packages in `pkg/`.
@dchen1107 @vishh
/cc @kubernetes/sig-node @kubernetes/sig-testing
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Remove implicit Prometheus metrics from client
**What this PR does / why we need it**: This PR starts to cut away at dependencies that the client has.
**Release note**:
<!-- Steps to write your release note:
1. Use the release-note-* labels to set the release note state (if you have access)
2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`.
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```release-note
The implicit registration of Prometheus metrics for request count and latency have been removed, and a plug-able interface was added. If you were using our client libraries in your own binaries and want these metrics, add the following to your imports in the main package: "k8s.io/pkg/client/metrics/prometheus".
```
cc: @kubernetes/sig-api-machinery @kubernetes/sig-instrumentation @fgrzadkowski @wojtek-t
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Quobyte Volume plugin
@quofelix and myself developed a volume plugin for [Quobyte](http://www.quobyte.com) which is a software-defined storage solution. This PR allows Kubernetes users to mount a Quobyte Volume inside their containers over Kubernetes.
Here are some further informations about [Quobyte and Storage for containers](http://www.quobyte.com/containers)
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kubelet eviction on inode exhaustion
Add support for kubelet to monitor for inode exhaustion of either image or rootfs, and in response, attempt to reclaim node level resources and/or evict pods.
Automatic merge from submit-queue
Add annotations to the PodSecurityPolicy Provider interface
@pweil- is this what you were thinking in terms of API changes? I really like to avoid functions with more than 2 return values, but couldn't think of a cleaner approach in this case.
This commit adds logic for allocating and associating a public IP, if the `—load-balancer-ip` option is not used. It will do proper management of IP’s that are allocated by this provider, so IP’s that are no longer needed/used will also be released again.
Additionally the provider can now also work with CloudStack projects and advanced (VPC) networks.
Lastly the Zone interface now returns an actual zone (supplied by the cloud config), a few logical errors are fixed and the first few tests are added.
All the functionality is extensively tested against both basic and advanced (VPC) networks.
