feat: add PPM OIDC/SSO web UI configuration

.gitignore

@@ -33,3 +33,6 @@ go.work.sum
 # Editor/IDE
 # .idea/
 # .vscode/
+
+# Claude Code cache
+.claude/tsc-cache/

api/core/v1beta1/package_manager_config.go

@@ -7,17 +7,19 @@ import (
 )
 
 type PackageManagerConfig struct {
-	Server    *PackageManagerServerConfig    `json:"Server,omitempty"`
-	Http      *PackageManagerHttpConfig      `json:"Http,omitempty"`
-	Git       *PackageManagerGitConfig       `json:"Git,omitempty"`
-	Database  *PackageManagerDatabaseConfig  `json:"Database,omitempty"`
-	Postgres  *PackageManagerPostgresConfig  `json:"Postgres,omitempty"`
-	Storage   *PackageManagerStorageConfig   `json:"Storage,omitempty"`
-	S3Storage *PackageManagerS3StorageConfig `json:"S3Storage,omitempty"`
-	Metrics   *PackageManagerMetricsConfig   `json:"Metrics,omitempty"`
-	Repos     *PackageManagerReposConfig     `json:"Repos,omitempty"`
-	Cran      *PackageManagerCRANConfig      `json:"CRAN,omitempty"`
-	Debug     *PackageManagerDebugConfig     `json:"Debug,omitempty"`
+	Server         *PackageManagerServerConfig         `json:"Server,omitempty"`
+	Http           *PackageManagerHttpConfig           `json:"Http,omitempty"`
+	Git            *PackageManagerGitConfig            `json:"Git,omitempty"`
+	Database       *PackageManagerDatabaseConfig       `json:"Database,omitempty"`
+	Postgres       *PackageManagerPostgresConfig       `json:"Postgres,omitempty"`
+	Storage        *PackageManagerStorageConfig        `json:"Storage,omitempty"`
+	S3Storage      *PackageManagerS3StorageConfig      `json:"S3Storage,omitempty"`
+	Metrics        *PackageManagerMetricsConfig        `json:"Metrics,omitempty"`
+	Repos          *PackageManagerReposConfig          `json:"Repos,omitempty"`
+	Cran           *PackageManagerCRANConfig           `json:"CRAN,omitempty"`
+	Debug          *PackageManagerDebugConfig          `json:"Debug,omitempty"`
+	Authentication *PackageManagerAuthenticationConfig `json:"Authentication,omitempty"`
+	OpenIDConnect  *PackageManagerOIDCConfig           `json:"OpenIDConnect,omitempty"`
 
 	// AdditionalConfig allows appending arbitrary gcfg config content not covered by typed fields.
 	// The value is appended verbatim after the generated config. gcfg parsing naturally handles
@@ -176,6 +178,37 @@ type PackageManagerDebugConfig struct {
 	Log string `json:"Log,omitempty"`
 }
 
+type PackageManagerAuthenticationConfig struct {
+	APITokenAuth          bool   `json:"APITokenAuth,omitempty"`
+	DeviceAuthType        string `json:"DeviceAuthType,omitempty"`
+	NewReposAuthByDefault bool   `json:"NewReposAuthByDefault,omitempty"`
+	Lifetime              string `json:"Lifetime,omitempty"`
+	Inactivity            string `json:"Inactivity,omitempty"`
+	CookieSweepDuration   string `json:"CookieSweepDuration,omitempty"`
+}
+
+type PackageManagerOIDCConfig struct {
+	ClientId             string `json:"ClientId,omitempty"`
+	ClientSecret         string `json:"ClientSecret,omitempty"`
+	ClientSecretFile     string `json:"ClientSecretFile,omitempty"`
+	Issuer               string `json:"Issuer,omitempty"`
+	RequireLogin         bool   `json:"RequireLogin,omitempty"`
+	Logging              bool   `json:"Logging,omitempty"`
+	Scope                string `json:"Scope,omitempty"`
+	CustomScope          string `json:"CustomScope,omitempty"`
+	NoAutoGroupsScope    bool   `json:"NoAutoGroupsScope,omitempty"`
+	GroupsClaim          string `json:"GroupsClaim,omitempty"`
+	GroupsSeparator      string `json:"GroupsSeparator,omitempty"`
+	RoleClaim            string `json:"RoleClaim,omitempty"`
+	RolesSeparator       string `json:"RolesSeparator,omitempty"`
+	UniqueIdClaim        string `json:"UniqueIdClaim,omitempty"`
+	UsernameClaim        string `json:"UsernameClaim,omitempty"`
+	TokenLifetime        string `json:"TokenLifetime,omitempty"`
+	MaxAuthenticationAge string `json:"MaxAuthenticationAge,omitempty"`
+	DisablePKCE          bool   `json:"DisablePKCE,omitempty"`
+	EnableDevicePKCE     bool   `json:"EnableDevicePKCE,omitempty"`
+}
+
 // SSHKeyConfig defines SSH key configuration for Git authentication
 type SSHKeyConfig struct {
 	// Name is a unique identifier for this SSH key configuration

api/core/v1beta1/package_manager_config_test.go

@@ -62,3 +62,81 @@ func TestPackageManagerConfig_AdditionalConfigEmpty(t *testing.T) {
 	require.Nil(t, err)
 	require.Contains(t, str, "Address = some-address.com")
 }
+
+func TestPackageManagerConfig_OpenIDConnect(t *testing.T) {
+	cfg := PackageManagerConfig{
+		OpenIDConnect: &PackageManagerOIDCConfig{
+			ClientId:     "my-client-id",
+			ClientSecret: "/etc/rstudio-pm/oidc-client-secret",
+			Issuer:       "https://login.example.com",
+			RequireLogin: true,
+		},
+	}
+	str, err := cfg.GenerateGcfg()
+	require.Nil(t, err)
+	require.Contains(t, str, "[OpenIDConnect]")
+	require.Contains(t, str, "ClientId = my-client-id")
+	require.Contains(t, str, "ClientSecret = /etc/rstudio-pm/oidc-client-secret")
+	require.Contains(t, str, "Issuer = https://login.example.com")
+	require.Contains(t, str, "RequireLogin = true")
+}
+
+func TestPackageManagerConfig_Authentication(t *testing.T) {
+	cfg := PackageManagerConfig{
+		Authentication: &PackageManagerAuthenticationConfig{
+			APITokenAuth:          true,
+			DeviceAuthType:        "oidc",
+			NewReposAuthByDefault: true,
+			Lifetime:              "30d",
+			Inactivity:            "12h",
+			CookieSweepDuration:   "5m",
+		},
+	}
+	str, err := cfg.GenerateGcfg()
+	require.Nil(t, err)
+	require.Contains(t, str, "[Authentication]")
+	require.Contains(t, str, "APITokenAuth = true")
+	require.Contains(t, str, "DeviceAuthType = oidc")
+	require.Contains(t, str, "NewReposAuthByDefault = true")
+	require.Contains(t, str, "Lifetime = 30d")
+	require.Contains(t, str, "Inactivity = 12h")
+	require.Contains(t, str, "CookieSweepDuration = 5m")
+}
+
+func TestPackageManagerConfig_OIDCNewFields(t *testing.T) {
+	cfg := PackageManagerConfig{
+		OpenIDConnect: &PackageManagerOIDCConfig{
+			ClientId:             "my-client",
+			ClientSecretFile:     "/etc/rstudio-pm/oidc-secret",
+			Issuer:               "https://auth.example.com",
+			Logging:              true,
+			TokenLifetime:        "1h",
+			DisablePKCE:          true,
+			UniqueIdClaim:        "sub",
+			UsernameClaim:        "preferred_username",
+			MaxAuthenticationAge: "24h",
+			GroupsSeparator:      ",",
+			RolesSeparator:       ";",
+			CustomScope:          "profile email groups",
+			NoAutoGroupsScope:    true,
+			EnableDevicePKCE:     true,
+		},
+	}
+	str, err := cfg.GenerateGcfg()
+	require.Nil(t, err)
+	require.Contains(t, str, "[OpenIDConnect]")
+	require.Contains(t, str, "ClientId = my-client")
+	require.Contains(t, str, "ClientSecretFile = /etc/rstudio-pm/oidc-secret")
+	require.Contains(t, str, "Issuer = https://auth.example.com")
+	require.Contains(t, str, "Logging = true")
+	require.Contains(t, str, "TokenLifetime = 1h")
+	require.Contains(t, str, "DisablePKCE = true")
+	require.Contains(t, str, "UniqueIdClaim = sub")
+	require.Contains(t, str, "UsernameClaim = preferred_username")
+	require.Contains(t, str, "MaxAuthenticationAge = 24h")
+	require.Contains(t, str, "GroupsSeparator = ,")
+	require.Contains(t, str, "RolesSeparator = ;")
+	require.Contains(t, str, "CustomScope = profile email groups")
+	require.Contains(t, str, "NoAutoGroupsScope = true")
+	require.Contains(t, str, "EnableDevicePKCE = true")
+}

api/core/v1beta1/packagemanager_types.go

@@ -84,6 +84,11 @@ type PackageManagerSpec struct {
 	// AzureFiles configures Azure Files integration for persistent storage
 	// +optional
 	AzureFiles *AzureFilesConfig `json:"azureFiles,omitempty"`
+
+	// OIDCClientSecretKey is the key name in the vault for the OIDC client secret.
+	// When set, the client secret will be mounted at /etc/rstudio-pm/oidc-client-secret
+	// +optional
+	OIDCClientSecretKey string `json:"oidcClientSecretKey,omitempty"`
 }
 
 // PackageManagerStatus defines the observed state of PackageManager
@@ -318,6 +323,24 @@ func (pm *PackageManager) CreateSecretVolumeFactory() *product.SecretVolumeFacto
 			}
 		}
 
+		// Add OIDC client secret volume mount if configured
+		if pm.Spec.OIDCClientSecretKey != "" {
+			vols["client-secret-volume"] = &product.VolumeDef{
+				Source: &v1.VolumeSource{
+					CSI: &v1.CSIVolumeSource{
+						Driver:   "secrets-store.csi.k8s.io",
+						ReadOnly: ptr.To(true),
+						VolumeAttributes: map[string]string{
+							"secretProviderClass": pm.SecretProviderClassName(),
+						},
+					},
+				},
+				Mounts: []*product.VolumeMountDef{
+					{MountPath: "/etc/rstudio-pm/oidc-client-secret", SubPath: "oidc-client-secret", ReadOnly: true},
+				},
+			}
+		}
+
 	case product.SiteSecretKubernetes:
 		vols["key-volume"] = &product.VolumeDef{
 			Env: []v1.EnvVar{
@@ -355,6 +378,23 @@ func (pm *PackageManager) CreateSecretVolumeFactory() *product.SecretVolumeFacto
 			},
 		}
 
+		// Add OIDC client secret volume mount if configured
+		if pm.Spec.OIDCClientSecretKey != "" {
+			vols["client-secret-volume"] = &product.VolumeDef{
+				Source: &v1.VolumeSource{
+					Secret: &v1.SecretVolumeSource{
+						SecretName: pm.GetSecretVaultName(),
+						Items: []v1.KeyToPath{
+							{Key: pm.Spec.OIDCClientSecretKey, Path: "oidc-client-secret"},
+						},
+					},
+				},
+				Mounts: []*product.VolumeMountDef{
+					{MountPath: "/etc/rstudio-pm/oidc-client-secret", SubPath: "oidc-client-secret", ReadOnly: true},
+				},
+			}
+		}
+
 	default:
 		// uh oh... some other type of secret...?
 	}

api/core/v1beta1/site_types.go

@@ -240,6 +240,14 @@ type InternalPackageManagerSpec struct {
 	// AdditionalConfig allows appending arbitrary gcfg config content to the generated config.
 	// +optional
 	AdditionalConfig string `json:"additionalConfig,omitempty"`
+
+	// Auth configures OIDC authentication for Package Manager's web UI
+	// +optional
+	Auth *AuthSpec `json:"auth,omitempty"`
+
+	// OIDCClientSecretKey is the key in the vault for the OIDC client secret
+	// +optional
+	OIDCClientSecretKey string `json:"oidcClientSecretKey,omitempty"`
 }
 
 type InternalConnectSpec struct {