Mark metrics-bind-address as deprecated

Signed-off-by: Furkat Gofurov <[email protected]>

Author: furkatgofurov7

cmd/main.go

@@ -54,6 +54,7 @@ var (
 	setupLog = ctrl.Log.WithName("setup")
 
 	// flags.
+	metricsBindAddr             string
 	enableLeaderElection        bool
 	leaderElectionLeaseDuration time.Duration
 	leaderElectionRenewDeadline time.Duration
@@ -83,6 +84,11 @@ func init() {
 
 // InitFlags initializes the flags.
 func InitFlags(fs *pflag.FlagSet) {
+	fs.StringVar(&metricsBindAddr, "metrics-bind-addr", "localhost:8080",
+		"The address the metric endpoint binds to.")
+	_ = fs.MarkDeprecated("metrics-bind-addr", "Please use --diagnostics-address instead. To continue to serve"+
+		"metrics via http and without authentication/authorization set --insecure-diagnostics as well.")
+
 	fs.BoolVar(&enableLeaderElection, "leader-elect", false,
 		"Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.")
 

docs/README.md

@@ -149,6 +149,7 @@ spec:
       containers:
       - name: manager
         args:
+        - --metrics-bind-addr=:8080
         - --leader-elect
         - --leader-elect-retry-period=5s
         - "--diagnostics-address=${CAPI_OPERATOR_DIAGNOSTICS_ADDRESS:=:8443}"

hack/charts/cluster-api-operator/templates/deployment.yaml

@@ -63,6 +63,9 @@ spec:
         {{- if .Values.healthAddr }}
         - --health-addr={{ .Values.healthAddr }}
         {{- end }}
+        {{- if .Values.metricsBindAddr }}
+        - --metrics-bind-addr={{ .Values.metricsBindAddr }}
+        {{- end }}
         {{- if .Values.diagnosticsAddress }}
         - --diagnostics-address={{ .Values.diagnosticsAddress }}
         {{- end }}

hack/charts/cluster-api-operator/values.yaml

@@ -27,6 +27,7 @@ image:
     tag: dev
     pullPolicy: IfNotPresent
 healthAddr: ":8081"
+metricsBindAddr: "127.0.0.1:8080"
 diagnosticsAddress: "8443"
 insecureDiagnostics: false
 imagePullSecrets: {}

internal/controller/component_customizer.go

@@ -190,6 +190,10 @@ func customizeManagerContainer(mSpec *operatorv1.ManagerSpec, c *corev1.Containe
 		c.Args = leaderElectionArgs(mSpec.LeaderElection, c.Args)
 	}
 
+	if mSpec.Metrics.BindAddress != "" {
+		c.Args = setArgs(c.Args, "--metrics-bind-addr", mSpec.Metrics.BindAddress)
+	}
+
 	// webhooks
 	if mSpec.Webhook.Host != "" {
 		c.Args = setArgs(c.Args, "--webhook-host", mSpec.Webhook.Host)

internal/controller/component_customizer_test.go

@@ -518,6 +518,7 @@ func TestCustomizeDeployment(t *testing.T) {
 										"--leader-elect-lease-duration=25200s",
 										"--leader-elect-renew-deadline=25200s",
 										"--leader-elect-retry-period=25200s",
+										"--metrics-bind-addr=:4567",
 										"--webhook-cert-dir=/tmp/certs",
 										"--sync-period=25200s",
 										"--profiler-address=localhost:1234",

test/e2e/resources/full-chart-install.yaml

@@ -14091,6 +14091,7 @@ spec:
       - args:
         - --v=2
         - --health-addr=:8081
+        - --metrics-bind-addr=127.0.0.1:8080
         - --diagnostics-address=8443
         - --leader-elect=true
         command: