Link OSS (#18228)

* add Link config, init, and capabilities

* add node status proto

* bump protoc version to 3.21.9

* make proto

* adding link tests

* remove wrapped link

* add changelog entry

* update changelog entry

command/server.go

@@ -1708,7 +1708,7 @@ func (c *ServerCommand) configureLogging(config *server.Config) (hclog.Intercept
 	return loghelper.Setup(logCfg, c.logWriter)
 }
 
-func (c *ServerCommand) reloadHCPLink(hcpLinkVault *hcp_link.WrappedHCPLinkVault, conf *server.Config, core *vault.Core, hcpLogger hclog.Logger) (*hcp_link.WrappedHCPLinkVault, error) {
+func (c *ServerCommand) reloadHCPLink(hcpLinkVault *hcp_link.HCPLinkVault, conf *server.Config, core *vault.Core, hcpLogger hclog.Logger) (*hcp_link.HCPLinkVault, error) {
 	// trigger a shutdown
 	if hcpLinkVault != nil {
 		err := hcpLinkVault.Shutdown()

command/server/hcp_link_config_test.go

@@ -0,0 +1,47 @@
+package server
+
+import (
+	"testing"
+
+	"github.com/go-test/deep"
+	sdkResource "github.com/hashicorp/hcp-sdk-go/resource"
+	"github.com/hashicorp/vault/internalshared/configutil"
+)
+
+func TestHCPLinkConfig(t *testing.T) {
+	config, err := LoadConfigFile("./test-fixtures/hcp_link_config.hcl")
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+	resIDRaw := "organization/bc58b3d0-2eab-4ab8-abf4-f61d3c9975ff/project/1c78e888-2142-4000-8918-f933bbbc7690/hashicorp.example.resource/example"
+	res, _ := sdkResource.FromString(resIDRaw)
+
+	expected := &Config{
+		Storage: &Storage{
+			Type:   "inmem",
+			Config: map[string]string{},
+		},
+		SharedConfig: &configutil.SharedConfig{
+			Listeners: []*configutil.Listener{
+				{
+					Type:                  "tcp",
+					Address:               "127.0.0.1:8200",
+					TLSDisable:            true,
+					CustomResponseHeaders: DefaultCustomHeaders,
+				},
+			},
+			HCPLinkConf: &configutil.HCPLinkConfig{
+				ResourceIDRaw: resIDRaw,
+				Resource:      &res,
+				ClientID:      "J2TtcSYOyPUkPV2z0mSyDtvitxLVjJmu",
+				ClientSecret:  "N9JtHZyOnHrIvJZs82pqa54vd4jnkyU3xCcqhFXuQKJZZuxqxxbP1xCfBZVB82vY",
+			},
+			DisableMlock: true,
+		},
+	}
+
+	config.Prune()
+	if diff := deep.Equal(config, expected); diff != nil {
+		t.Fatal(diff)
+	}
+}

command/server/test-fixtures/hcp_link_config.hcl

@@ -0,0 +1,11 @@
+storage "inmem" {}
+listener "tcp" {
+    address = "127.0.0.1:8200"
+    tls_disable = true
+}
+cloud {
+    resource_id = "organization/bc58b3d0-2eab-4ab8-abf4-f61d3c9975ff/project/1c78e888-2142-4000-8918-f933bbbc7690/hashicorp.example.resource/example"
+    client_id = "J2TtcSYOyPUkPV2z0mSyDtvitxLVjJmu"
+    client_secret = "N9JtHZyOnHrIvJZs82pqa54vd4jnkyU3xCcqhFXuQKJZZuxqxxbP1xCfBZVB82vY"
+}
+disable_mlock = true