Add leader election namespace flag, and missing kustomization file.

Author: joshlreese

cmd/main.go

@@ -39,6 +39,7 @@ func init() {
 func main() {
 	var metricsAddr string
 	var enableLeaderElection bool
+	var leaderElectionNamespace string
 	var probeAddr string
 	var secureMetrics bool
 	var enableHTTP2 bool
@@ -49,6 +50,7 @@ func main() {
 	flag.BoolVar(&enableLeaderElection, "leader-elect", false,
 		"Enable leader election for controller manager. "+
 			"Enabling this will ensure there is only one active controller manager.")
+	flag.StringVar(&leaderElectionNamespace, "leader-elect-namespace", "", "The namespace to use for leader election.")
 	flag.BoolVar(&secureMetrics, "metrics-secure", true,
 		"If set, the metrics endpoint is served securely via HTTPS. Use --metrics-secure=false to use HTTP instead.")
 	flag.BoolVar(&enableHTTP2, "enable-http2", false,
@@ -103,12 +105,13 @@ func main() {
 	}
 
 	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
-		Scheme:                 scheme,
-		Metrics:                metricsServerOptions,
-		WebhookServer:          webhookServer,
-		HealthProbeBindAddress: probeAddr,
-		LeaderElection:         enableLeaderElection,
-		LeaderElectionID:       "6a7d51cc.datumapis.com",
+		Scheme:                  scheme,
+		Metrics:                 metricsServerOptions,
+		WebhookServer:           webhookServer,
+		HealthProbeBindAddress:  probeAddr,
+		LeaderElection:          enableLeaderElection,
+		LeaderElectionID:        "6a7d51cc.datumapis.com",
+		LeaderElectionNamespace: leaderElectionNamespace,
 		// LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily
 		// when the Manager ends. This requires the binary to immediately end when the
 		// Manager is stopped, otherwise, this setting is unsafe. Setting this significantly

config/crd/kustomization.yaml

@@ -0,0 +1,26 @@
+# This kustomization.yaml is not intended to be run by itself,
+# since it depends on service name and namespace that are out of this kustomize package.
+# It should be run by config/default
+resources:
+- bases/networking.datumapis.com_networks.yaml
+- bases/networking.datumapis.com_networkbindings.yaml
+- bases/networking.datumapis.com_networkcontexts.yaml
+- bases/networking.datumapis.com_networkpolicies.yaml
+- bases/networking.datumapis.com_subnets.yaml
+- bases/networking.datumapis.com_subnetclaims.yaml
+- bases/networking.datumapis.com_locations.yaml
+# +kubebuilder:scaffold:crdkustomizeresource
+
+patches:
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
+# patches here are for enabling the conversion webhook for each CRD
+# +kubebuilder:scaffold:crdkustomizewebhookpatch
+
+# [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.
+# patches here are for enabling the CA injection for each CRD
+# +kubebuilder:scaffold:crdkustomizecainjectionpatch
+
+# [WEBHOOK] To enable webhook, uncomment the following section
+# the following config is for teaching kustomize how to do kustomization for CRDs.
+#configurations:
+#- kustomizeconfig.yaml