Alerting: Add feature toggles for Alertmanager migration (#77372)

* Alerting: Add feature toggles for Alertmanager migration

* address code review comments

pkg/services/featuremgmt/registry.go

@@ -927,5 +927,23 @@ var (
 			FrontendOnly: true,
 			Owner:        grafanaObservabilityMetricsSquad,
 		},
+		{
+			Name:        "alertmanagerRemoteSecondary",
+			Description: "Enable Grafana to sync configuration and state with a remote Alertmanager.",
+			Stage:       FeatureStageExperimental,
+			Owner:       grafanaAlertingSquad,
+		},
+		{
+			Name:        "alertmanagerRemotePrimary",
+			Description: "Enable Grafana to have a remote Alertmanager instance as the primary Alertmanager.",
+			Stage:       FeatureStageExperimental,
+			Owner:       grafanaAlertingSquad,
+		},
+		{
+			Name:        "alertmanagerRemoteOnly",
+			Description: "Disable the internal Alertmanager and only use the external one defined.",
+			Stage:       FeatureStageExperimental,
+			Owner:       grafanaAlertingSquad,
+		},
 	}
 )

pkg/services/featuremgmt/toggles_gen.csv

@@ -131,3 +131,6 @@ pluginsInstrumentationStatusSource,experimental,@grafana/plugins-platform-backen
 costManagementUi,experimental,@grafana/databases-frontend,false,false,false,false
 managedPluginsInstall,experimental,@grafana/plugins-platform-backend,false,false,false,false
 prometheusPromQAIL,experimental,@grafana/observability-metrics,false,false,false,true
+alertmanagerRemoteSecondary,experimental,@grafana/alerting-squad,false,false,false,false
+alertmanagerRemotePrimary,experimental,@grafana/alerting-squad,false,false,false,false
+alertmanagerRemoteOnly,experimental,@grafana/alerting-squad,false,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -534,4 +534,16 @@ const (
 	// FlagPrometheusPromQAIL
 	// Prometheus and AI/ML to assist users in creating a query
 	FlagPrometheusPromQAIL = "prometheusPromQAIL"
+
+	// FlagAlertmanagerRemoteSecondary
+	// Enable Grafana to sync configuration and state with a remote Alertmanager.
+	FlagAlertmanagerRemoteSecondary = "alertmanagerRemoteSecondary"
+
+	// FlagAlertmanagerRemotePrimary
+	// Enable Grafana to have a remote Alertmanager instance as the primary Alertmanager.
+	FlagAlertmanagerRemotePrimary = "alertmanagerRemotePrimary"
+
+	// FlagAlertmanagerRemoteOnly
+	// Disable the internal Alertmanager and only use the external one defined.
+	FlagAlertmanagerRemoteOnly = "alertmanagerRemoteOnly"
 )