feat: add feature flag for clustertask (#542)

* feat: add feature flag for clustertask
* feat: add config for katanomi system namespace
* feat: add feature flag for gitsource and hub resolver

config/feature_flags.go

@@ -63,20 +63,39 @@ const (
 
 	// PprofEnabledKey indicates the configuration key of the /debug/pprof debugging api/
 	PprofEnabledKey = "pprof.enabled"
+
+	// ClusterTaskDisabledKey specifies the key for the clustertask feature gate configuration.
+	// When set to true, the clustertasks is disabled, cannot create new clustertasks.
+	ClusterTaskDisabledKey = "clustertask.disabled"
+
+	// KatanomiSystemNamespaceKey specifies the key for the katanomi system namespace
+	KatanomiSystemNamespaceKey = "katanomi.system.namespace"
+
+	// GitSourceResolverFeatureKey indicates the configuration key of the gitsource resolver feature gate.
+	GitSourceResolverFeatureKey = "gitsourceResolver.enabled"
+
+	// HubResolverFeatureKey indicates the configuration key of the hub resolver feature gate.
+	HubResolverFeatureKey = "hubResolver.enabled"
 )
 
 const (
+	// True represents the value "true" for the feature switch.
+	True FeatureValue = "true"
+
+	// False represents the value "false" for the feature switch.
+	False FeatureValue = "false"
+
 	// DefaultVersionEnabled indicates the default value of the version feature gate.
 	// If the corresponding key does not exist, the default value is returned.
-	DefaultVersionEnabled FeatureValue = "false"
+	DefaultVersionEnabled FeatureValue = False
 
 	// DefaultProxyEnabled indicates the default value of the proxy feature gate.
 	// If the corresponding key does not exist, the default value is returned.
-	DefaultProxyEnabled FeatureValue = "false"
+	DefaultProxyEnabled FeatureValue = False
 
 	// DefaultInitializeAllowLocalRequests indicates the configuration key of.
 	// If the corresponding key does not exist, the default value is returned.
-	DefaultInitializeAllowLocalRequests FeatureValue = "true"
+	DefaultInitializeAllowLocalRequests FeatureValue = True
 
 	// DefaultPrunerDelayAfterCompleted represent default duration for delay taskRun
 	// If the corresponding key does not exist, the default value is returned.
@@ -90,7 +109,7 @@ const (
 	DefaultMRCheckTimeout FeatureValue = "10m"
 
 	// DefaultMRCheckTimeoutContinue represent default timeout continue for merge request status check
-	DefaultMRCheckTimeoutContinue FeatureValue = "true"
+	DefaultMRCheckTimeoutContinue FeatureValue = True
 
 	// DefaultTemplateRenderCheckTimeout represent default timeout for templaterender check
 	DefaultTemplateRenderCheckTimeout FeatureValue = "30s"
@@ -103,7 +122,7 @@ const (
 
 	// DefaultPolicyCheckEnabled indicates the default value of the policy check feature gate.
 	// If the corresponding key does not exist, the default value is returned.
-	DefaultPolicyCheckEnabled FeatureValue = "true"
+	DefaultPolicyCheckEnabled FeatureValue = True
 
 	// DefaultClusterIntegrationSyncPeriod defines the default time interval of clusterintegration synchronization
 	DefaultClusterIntegrationSyncPeriod = "5m"
@@ -113,7 +132,19 @@ const (
 
 	// DefaultPprofEnabled stores the default value "false" for the "pprof.enabled" /debug/pprof debugging api.
 	// If the corresponding key does not exist, the default value is returned.
-	DefaultPprofEnabled FeatureValue = "false"
+	DefaultPprofEnabled FeatureValue = False
+
+	// DefaultClusterTaskDisabled stores the default value "true" for the "clustertask.disabled" feature.
+	DefaultClusterTaskDisabled FeatureValue = True
+
+	// DefaultKatanomiSystemNamespace defines the default namespace for katanomi system
+	DefaultKatanomiSystemNamespace = "katanomi-system"
+
+	// DefaultGitSourceResolverEnabled defines the default value "true" for the "gitsourceResolver.enabled" feature.
+	DefaultGitSourceResolverEnabled = True
+
+	// DefaultHubResolverEnabled defines the default value "true" for the "hubResolver.enabled" feature.
+	DefaultHubResolverEnabled = True
 )
 
 // defaultFeatureValue defines the default value for the feature switch.
@@ -132,6 +163,10 @@ var defaultFeatureValue = map[string]FeatureValue{
 	ClusterIntegrationSyncPeriodKey:        DefaultClusterIntegrationSyncPeriod,
 	IntegrationSyncPeriodKey:               DefaultIntegrationsSyncPeriod,
 	PprofEnabledKey:                        DefaultPprofEnabled,
+	ClusterTaskDisabledKey:                 DefaultClusterTaskDisabled,
+	KatanomiSystemNamespaceKey:             DefaultKatanomiSystemNamespace,
+	GitSourceResolverFeatureKey:            DefaultGitSourceResolverEnabled,
+	HubResolverFeatureKey:                  DefaultHubResolverEnabled,
 }
 
 // FeatureFlags holds the features configurations

config/feature_flags_test.go

@@ -39,9 +39,16 @@ func TestFeatureFlags_FeatureValue(t *testing.T) {
 			want:         DefaultVersionEnabled,
 		},
 		"not match feature": {
+			featureFlags: &FeatureFlags{
+				Data: map[string]string{},
+			},
+			flag: "notfound.flag",
+			want: "",
+		},
+		"the default clustertask creation disabled flag is true": {
 			featureFlags: &FeatureFlags{},
-			flag:         "notfound.flag",
-			want:         "",
+			flag:         ClusterTaskDisabledKey,
+			want:         DefaultClusterTaskDisabled,
 		},
 	}
 	for name, tt := range tests {