Create secret with bearer-token

Signed-off-by: Santosh Kaluskar <dtshbl@gmail.com>

cmd/flux/create_secret_git.go

@@ -37,7 +37,7 @@ var createSecretGitCmd = &cobra.Command{
 	Short: "Create or update a Kubernetes secret for Git authentication",
 	Long: `The create secret git command generates a Kubernetes secret with Git credentials.
 For Git over SSH, the host and SSH keys are automatically generated and stored in the secret.
-For Git over HTTP/S, the provided basic authentication credentials are stored in the secret.`,
+For Git over HTTP/S, the provided basic authentication credentials or bearer authentication token are stored in the secret.`,
 	Example: `  # Create a Git SSH authentication secret using an ECDSA P-521 curve public key
 
   flux create secret git podinfo-auth \
@@ -87,6 +87,7 @@ type secretGitFlags struct {
 	ecdsaCurve     flags.ECDSACurve
 	caFile         string
 	privateKeyFile string
+	bearerToken    string
 }
 
 var secretGitArgs = NewSecretGitFlags()
@@ -100,6 +101,7 @@ func init() {
 	createSecretGitCmd.Flags().Var(&secretGitArgs.ecdsaCurve, "ssh-ecdsa-curve", secretGitArgs.ecdsaCurve.Description())
 	createSecretGitCmd.Flags().StringVar(&secretGitArgs.caFile, "ca-file", "", "path to TLS CA file used for validating self-signed certificates")
 	createSecretGitCmd.Flags().StringVar(&secretGitArgs.privateKeyFile, "private-key-file", "", "path to a passwordless private key file used for authenticating to the Git SSH server")
+	createSecretGitCmd.Flags().StringVar(&secretGitArgs.bearerToken, "bearer-token", "", "bearer authentication token")
 
 	createSecretCmd.AddCommand(createSecretGitCmd)
 }
@@ -147,11 +149,15 @@ func createSecretGitCmdRun(cmd *cobra.Command, args []string) error {
 		opts.ECDSACurve = secretGitArgs.ecdsaCurve.Curve
 		opts.Password = secretGitArgs.password
 	case "http", "https":
-		if secretGitArgs.username == "" || secretGitArgs.password == "" {
+		if (secretGitArgs.username == "" || secretGitArgs.password == "") && secretGitArgs.bearerToken == "" {
-			return fmt.Errorf("for Git over HTTP/S the username and password are required")
+			return fmt.Errorf("for Git over HTTP/S the username and password, or a bearer token is required")
 		}
 		opts.Username = secretGitArgs.username
 		opts.Password = secretGitArgs.password
+		opts.BearerToken = secretGitArgs.bearerToken
+		if secretGitArgs.username != "" && secretGitArgs.password != "" && secretGitArgs.bearerToken != "" {
+			return fmt.Errorf("user credentials and bearer token cannot be used together")
+		}
 		if secretGitArgs.caFile != "" {
 			caBundle, err := os.ReadFile(secretGitArgs.caFile)
 			if err != nil {

cmd/flux/create_secret_git_test.go

@@ -30,6 +30,16 @@ func TestCreateGitSecret(t *testing.T) {
 			args:   "create secret git podinfo-auth --url=ssh://git@github.com/stefanprodan/podinfo --private-key-file=./testdata/create_secret/git/ecdsa-password.private --password=password --namespace=my-namespace --export",
 			assert: assertGoldenFile("testdata/create_secret/git/git-ssh-secret-password.yaml"),
 		},
+		{
+			name:   "git authentication with bearer token",
+			args:   "create secret git bearer-token-auth --url=https://github.com/stefanprodan/podinfo --bearer-token=ghp_baR2qnFF0O41WlucePL3udt2N9vVZS4R0hAS --namespace=my-namespace --export",
+			assert: assertGoldenFile("testdata/create_secret/git/git-bearer-token.yaml"),
+		},
+		{
+			name:   "git authentication with basic auth and bearer token",
+			args:   "create secret git podinfo-auth --url=https://github.com/stefanprodan/podinfo --username=aaa --password=zzzz --bearer-token=aaaa --namespace=my-namespace --export",
+			assert: assertError("user credentials and bearer token cannot be used together"),
+		},
 	}
 
 	for _, tt := range tests {

cmd/flux/testdata/create_secret/git/git-bearer-token.yaml

@@ -0,0 +1,9 @@
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: bearer-token-auth
+  namespace: my-namespace
+stringData:
+  bearerToken: ghp_baR2qnFF0O41WlucePL3udt2N9vVZS4R0hAS
+

pkg/manifestgen/sourcesecret/options.go

@@ -39,6 +39,7 @@ const (
 	PrivateKeySecretKey = "identity"
 	PublicKeySecretKey  = "identity.pub"
 	KnownHostsSecretKey = "known_hosts"
+	BearerTokenKey      = "bearerToken"
 )
 
 type Options struct {
@@ -58,6 +59,7 @@ type Options struct {
 	KeyFile             []byte
 	TargetPath          string
 	ManifestFile        string
+	BearerToken         string
 }
 
 func MakeDefaultOptions() Options {
@@ -72,5 +74,6 @@ func MakeDefaultOptions() Options {
 		CertFile:            []byte{},
 		KeyFile:             []byte{},
 		ManifestFile:        "secret.yaml",
+		BearerToken:         "",
 	}
 }

pkg/manifestgen/sourcesecret/sourcesecret.go

@@ -152,6 +152,9 @@ func buildSecret(keypair *ssh.KeyPair, hostKey, caFile, certFile, keyFile, docke
 		secret.StringData[UsernameSecretKey] = options.Username
 		secret.StringData[PasswordSecretKey] = options.Password
 	}
+	if options.BearerToken != "" {
+		secret.StringData[BearerTokenKey] = options.BearerToken
+	}
 
 	if len(caFile) != 0 {
 		secret.StringData[CAFileSecretKey] = string(caFile)