feat!: split bind address to manage host and port separately (#679)

Signed-off-by: Christopher Pitstick <[email protected]>

Author: cpitstick-latai

chart/open-feature-operator/README.md

@@ -177,5 +177,6 @@ The command removes all the Kubernetes components associated with the chart and
 | `controllerManager.replicas`                                              | Sets number of replicas of the OpenFeature operator pod.                                                         | `1`                                          |
 | `managerConfig.flagsValidatonEnabled`                                     | Enables the validating webhook for FeatureFlag CR.                                                               | `true`                                       |
 | `managerConfig.controllerManagerConfigYaml.health.healthProbeBindAddress` | Sets the bind address for health probes.                                                                         | `:8081`                                      |
-| `managerConfig.controllerManagerConfigYaml.metrics.bindAddress`           | Sets the bind address for metrics.                                                                               | `127.0.0.1:8080`                             |
+| `managerConfig.controllerManagerConfigYaml.metrics.bindAddress`           | Sets the bind address for metrics (combined with bindPort).                                                      | `127.0.0.1`                                  |
+| `managerConfig.controllerManagerConfigYaml.metrics.bindPort`              | Sets the bind port for metrics.                                                                                  | `8080`                                       |
 | `managerConfig.controllerManagerConfigYaml.webhook.port`                  | Sets the bind address for webhook.                                                                               | `9443`                                       |

chart/open-feature-operator/values.yaml

@@ -151,9 +151,11 @@ managerConfig:
     health:
       ## @param managerConfig.controllerManagerConfigYaml.health.healthProbeBindAddress Sets the bind address for health probes.
       healthProbeBindAddress: :8081
-    metrics:
-      ## @param managerConfig.controllerManagerConfigYaml.metrics.bindAddress Sets the bind address for metrics.
-      bindAddress: 127.0.0.1:8080
+    metrics: 
+      ## @param managerConfig.controllerManagerConfigYaml.metrics.bindAddress Sets the bind address for metrics (combined with bindPort).
+      bindAddress: 127.0.0.1
+      ## @param managerConfig.controllerManagerConfigYaml.metrics.bindPort Sets the bind port for metrics.
+      bindPort: 8080
     webhook:
       ## @param managerConfig.controllerManagerConfigYaml.webhook.port Sets the bind address for webhook.
       port: 9443

config/overlays/helm/controller_manager_config.yaml

@@ -3,6 +3,6 @@ kind: ControllerManagerConfig
 health:
   healthProbeBindAddress: "{{ .Values.managerConfig.controllerManagerConfigYaml.health.healthProbeBindAddress }}"
 metrics:
-  bindAddress: "{{ .Values.managerConfig.controllerManagerConfigYaml.metrics.bindAddress }}"
+  bindAddress: "{{ .Values.managerConfig.controllerManagerConfigYaml.metrics.bindAddress }}:{{ .Values.managerConfig.controllerManagerConfigYaml.metrics.bindPort }}"
 webhook:
   port: 0{{ .Values.managerConfig.controllerManagerConfigYaml.webhook.port }}

config/overlays/helm/manager.yaml

@@ -22,6 +22,13 @@ spec:
             requests:
               cpu: "{{ .Values.controllerManager.manager.resources.requests.cpu }}"
               memory: "{{ .Values.controllerManager.manager.resources.requests.memory }}"
+          ports:
+            - containerPort: "___ {{ .Values.managerConfig.controllerManagerConfigYaml.webhook.port }} ___"
+              name: webhook-server
+              protocol: TCP
+            - containerPort: "___ {{ .Values.managerConfig.controllerManagerConfigYaml.metrics.bindPort }} ___"
+              name: metrics-server
+              protocol: TCP
           env:
             - name: SIDECAR_MANAGEMENT_PORT
               value: "{{ .Values.sidecarConfiguration.managementPort }}"
@@ -96,6 +103,7 @@ spec:
             - --sidecar-cpu-request={{ .Values.sidecarConfiguration.resources.requests.cpu }}
             - --sidecar-ram-request={{ .Values.sidecarConfiguration.resources.requests.memory }}
             - --image-pull-secrets={{ range .Values.imagePullSecrets }}{{ .name }},{{- end }}
+            - --metrics-bind-address=:{{ .Values.managerConfig.controllerManagerConfigYaml.metrics.bindPort }}
         - name: kube-rbac-proxy
           image: "{{ .Values.controllerManager.kubeRbacProxy.image.repository }}:{{ .Values.controllerManager.kubeRbacProxy.image.tag }}"
           resources: