Switch "get kubeconfig" flags to use --concierge-mode flag instead of boolean flag.

This is the same as the previous change to the login commands.

Signed-off-by: Matt Moyer <moyerm@vmware.com>

cmd/pinniped/cmd/kubeconfig.go

@@ -79,7 +79,7 @@ type getKubeconfigConciergeParams struct {
 	apiGroupSuffix    string
 	caBundlePath      string
 	endpoint          string
-	useImpersonationProxy bool
+	mode              conciergeMode
 }
 
 type getKubeconfigParams struct {
@@ -107,15 +107,15 @@ func kubeconfigCommand(deps kubeconfigDeps) *cobra.Command {
 	f.StringVar(&flags.staticToken, "static-token", "", "Instead of doing an OIDC-based login, specify a static token")
 	f.StringVar(&flags.staticTokenEnvName, "static-token-env", "", "Instead of doing an OIDC-based login, read a static token from the environment")
 
-	f.BoolVar(&flags.concierge.disabled, "no-concierge", false, "Generate a configuration which does not use the concierge, but sends the credential to the cluster directly")
+	f.BoolVar(&flags.concierge.disabled, "no-concierge", false, "Generate a configuration which does not use the Concierge, but sends the credential to the cluster directly")
-	f.StringVar(&namespace, "concierge-namespace", "pinniped-concierge", "Namespace in which the concierge was installed")
+	f.StringVar(&namespace, "concierge-namespace", "pinniped-concierge", "Namespace in which the Concierge was installed")
 	f.StringVar(&flags.concierge.authenticatorType, "concierge-authenticator-type", "", "Concierge authenticator type (e.g., 'webhook', 'jwt') (default: autodiscover)")
 	f.StringVar(&flags.concierge.authenticatorName, "concierge-authenticator-name", "", "Concierge authenticator name (default: autodiscover)")
 	f.StringVar(&flags.concierge.apiGroupSuffix, "concierge-api-group-suffix", groupsuffix.PinnipedDefaultSuffix, "Concierge API group suffix")
 
-	f.StringVar(&flags.concierge.caBundlePath, "concierge-ca-bundle", "", "Path to TLS certificate authority bundle (PEM format, optional, can be repeated) to use when connecting to the concierge")
+	f.StringVar(&flags.concierge.caBundlePath, "concierge-ca-bundle", "", "Path to TLS certificate authority bundle (PEM format, optional, can be repeated) to use when connecting to the Concierge")
-	f.StringVar(&flags.concierge.endpoint, "concierge-endpoint", "", "API base for the Pinniped concierge endpoint")
+	f.StringVar(&flags.concierge.endpoint, "concierge-endpoint", "", "API base for the Concierge endpoint")
-	f.BoolVar(&flags.concierge.useImpersonationProxy, "concierge-use-impersonation-proxy", false, "Whether the concierge cluster uses an impersonation proxy")
+	f.Var(&flags.concierge.mode, "concierge-mode", "Concierge mode of operation")
 
 	f.StringVar(&flags.oidc.issuer, "oidc-issuer", "", "OpenID Connect issuer URL (default: autodiscover)")
 	f.StringVar(&flags.oidc.clientID, "oidc-client-id", "pinniped-cli", "OpenID Connect client ID (default: autodiscover)")
@@ -172,17 +172,6 @@ func runGetKubeconfig(out io.Writer, deps kubeconfigDeps, flags getKubeconfigPar
 	if err != nil {
 		return fmt.Errorf("could not load --kubeconfig/--kubeconfig-context: %w", err)
 	}
-	if flags.concierge.useImpersonationProxy {
-		// TODO what to do if --use-impersonation-proxy is set but flags.concierge.caBundlePath is not???
-		// TODO dont do this twice
-		conciergeCaBundleData, err := loadCABundlePaths([]string{flags.concierge.caBundlePath})
-		if err != nil {
-			return fmt.Errorf("could not read --concierge-ca-bundle: %w", err)
-		}
-
-		cluster.CertificateAuthorityData = []byte(conciergeCaBundleData)
-		cluster.Server = flags.concierge.endpoint
-	}
 	clientset, err := deps.getClientset(clientConfig, flags.concierge.apiGroupSuffix)
 	if err != nil {
 		return fmt.Errorf("could not configure Kubernetes client: %w", err)
@@ -249,6 +238,19 @@ func runGetKubeconfig(out io.Writer, deps kubeconfigDeps, flags getKubeconfigPar
 }
 
 func configureConcierge(authenticator metav1.Object, flags *getKubeconfigParams, v1Cluster *clientcmdapi.Cluster, oidcCABundle *string, execConfig *clientcmdapi.ExecConfig) error {
+
+	if flags.concierge.mode == modeImpersonationProxy {
+		// TODO what to do if --use-impersonation-proxy is set but flags.concierge.caBundlePath is not???
+		// TODO dont do this twice
+		conciergeCaBundleData, err := loadCABundlePaths([]string{flags.concierge.caBundlePath})
+		if err != nil {
+			return fmt.Errorf("could not read --concierge-ca-bundle: %w", err)
+		}
+
+		v1Cluster.CertificateAuthorityData = []byte(conciergeCaBundleData)
+		v1Cluster.Server = flags.concierge.endpoint
+	}
+
 	switch auth := authenticator.(type) {
 	case *conciergev1alpha1.WebhookAuthenticator:
 		// If the --concierge-authenticator-type/--concierge-authenticator-name flags were not set explicitly, set
@@ -309,12 +311,8 @@ func configureConcierge(authenticator metav1.Object, flags *getKubeconfigParams,
 		"--concierge-authenticator-type="+flags.concierge.authenticatorType,
 		"--concierge-endpoint="+flags.concierge.endpoint,
 		"--concierge-ca-bundle-data="+encodedConciergeCaBundleData,
+		"--concierge-mode="+flags.concierge.mode.String(),
 	)
-	if flags.concierge.useImpersonationProxy {
-		execConfig.Args = append(execConfig.Args,
-			"--concierge-use-impersonation-proxy",
-		)
-	}
 	return nil
 }
 

cmd/pinniped/cmd/kubeconfig_test.go

@@ -64,13 +64,13 @@ func TestGetKubeconfig(t *testing.T) {
 				      --concierge-api-group-suffix string     Concierge API group suffix (default "pinniped.dev")
 				      --concierge-authenticator-name string   Concierge authenticator name (default: autodiscover)
 				      --concierge-authenticator-type string   Concierge authenticator type (e.g., 'webhook', 'jwt') (default: autodiscover)
-				      --concierge-ca-bundle string            Path to TLS certificate authority bundle (PEM format, optional, can be repeated) to use when connecting to the concierge
+				      --concierge-ca-bundle string            Path to TLS certificate authority bundle (PEM format, optional, can be repeated) to use when connecting to the Concierge
-				      --concierge-endpoint string             API base for the Pinniped concierge endpoint
+				      --concierge-endpoint string             API base for the Concierge endpoint
-				      --concierge-use-impersonation-proxy     Whether the concierge cluster uses an impersonation proxy
+				      --concierge-mode mode                   Concierge mode of operation (default TokenCredentialRequestAPI)
 				  -h, --help                                  help for kubeconfig
 				      --kubeconfig string                     Path to kubeconfig file
 				      --kubeconfig-context string             Kubeconfig context name (default: current active context)
-				      --no-concierge                          Generate a configuration which does not use the concierge, but sends the credential to the cluster directly
+				      --no-concierge                          Generate a configuration which does not use the Concierge, but sends the credential to the cluster directly
 				      --oidc-ca-bundle strings                Path to TLS certificate authority bundle (PEM format, optional, can be repeated)
 				      --oidc-client-id string                 OpenID Connect client ID (default: autodiscover) (default "pinniped-cli")
 				      --oidc-issuer string                    OpenID Connect issuer URL (default: autodiscover)
@@ -273,7 +273,12 @@ func TestGetKubeconfig(t *testing.T) {
 				"--kubeconfig", "./testdata/kubeconfig.yaml",
 				"--concierge-ca-bundle", "./does/not/exist",
 				"--concierge-endpoint", "https://impersonation-proxy-endpoint.test",
-				"--concierge-use-impersonation-proxy",
+				"--concierge-authenticator-name", "test-authenticator",
+				"--concierge-authenticator-type", "webhook",
+				"--concierge-mode", "ImpersonationProxy",
+			},
+			conciergeObjects: []runtime.Object{
+				&conciergev1alpha1.WebhookAuthenticator{ObjectMeta: metav1.ObjectMeta{Name: "test-authenticator"}},
 			},
 			wantError: true,
 			wantStderr: here.Doc(`
@@ -343,6 +348,7 @@ func TestGetKubeconfig(t *testing.T) {
         		      - --concierge-authenticator-type=webhook
         		      - --concierge-endpoint=https://fake-server-url-value
         		      - --concierge-ca-bundle-data=ZmFrZS1jZXJ0aWZpY2F0ZS1hdXRob3JpdHktZGF0YS12YWx1ZQ==
+        		      - --concierge-mode=TokenCredentialRequestAPI
         		      - --token=test-token
         		      command: '.../path/to/pinniped'
         		      env: []
@@ -387,6 +393,7 @@ func TestGetKubeconfig(t *testing.T) {
         		      - --concierge-authenticator-type=webhook
         		      - --concierge-endpoint=https://fake-server-url-value
         		      - --concierge-ca-bundle-data=ZmFrZS1jZXJ0aWZpY2F0ZS1hdXRob3JpdHktZGF0YS12YWx1ZQ==
+        		      - --concierge-mode=TokenCredentialRequestAPI
         		      - --token-env=TEST_TOKEN
         		      command: '.../path/to/pinniped'
         		      env: []
@@ -439,6 +446,7 @@ func TestGetKubeconfig(t *testing.T) {
         		      - --concierge-authenticator-type=jwt
         		      - --concierge-endpoint=https://fake-server-url-value
         		      - --concierge-ca-bundle-data=ZmFrZS1jZXJ0aWZpY2F0ZS1hdXRob3JpdHktZGF0YS12YWx1ZQ==
+        		      - --concierge-mode=TokenCredentialRequestAPI
         		      - --issuer=https://example.com/issuer
         		      - --client-id=pinniped-cli
         		      - --scopes=offline_access,openid,pinniped:request-audience
@@ -498,6 +506,7 @@ func TestGetKubeconfig(t *testing.T) {
         		      - --concierge-authenticator-type=webhook
         		      - --concierge-endpoint=https://fake-server-url-value
         		      - --concierge-ca-bundle-data=ZmFrZS1jZXJ0aWZpY2F0ZS1hdXRob3JpdHktZGF0YS12YWx1ZQ==
+        		      - --concierge-mode=TokenCredentialRequestAPI
         		      - --issuer=https://example.com/issuer
         		      - --client-id=pinniped-cli
         		      - --scopes=offline_access,openid,pinniped:request-audience
@@ -519,7 +528,7 @@ func TestGetKubeconfig(t *testing.T) {
 				"--kubeconfig", "./testdata/kubeconfig.yaml",
 				"--concierge-ca-bundle", testConciergeCABundlePath,
 				"--concierge-endpoint", "https://impersonation-proxy-endpoint.test",
-				"--concierge-use-impersonation-proxy",
+				"--concierge-mode", "ImpersonationProxy",
 			},
 			conciergeObjects: []runtime.Object{
 				&conciergev1alpha1.JWTAuthenticator{
@@ -562,7 +571,7 @@ func TestGetKubeconfig(t *testing.T) {
         		      - --concierge-authenticator-type=jwt
         		      - --concierge-endpoint=https://impersonation-proxy-endpoint.test
         		      - --concierge-ca-bundle-data=dGVzdC1jb25jaWVyZ2UtY2E=
-        		      - --concierge-use-impersonation-proxy
+        		      - --concierge-mode=ImpersonationProxy
         		      - --issuer=https://example.com/issuer
         		      - --client-id=pinniped-cli
         		      - --scopes=offline_access,openid,pinniped:request-audience