Move kube-rbac-proxy into base manager yaml (#695)

Signed-off-by: Mikalai Radchuk <[email protected]>

Author: m1kola

config/default/kustomization.yaml

@@ -26,14 +26,6 @@ resources:
 # [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
 #- ../prometheus
 
-patches:
-# Protect the /metrics endpoint by putting it behind auth.
-# If you want your controller-manager to expose the /metrics
-# endpoint w/o any authn/z, please comment the following line.
-- path: manager_auth_proxy_patch.yaml
-
-
-
 # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
 # crd/kustomization.yaml
 #- manager_webhook_patch.yaml

config/default/manager_auth_proxy_patch.yaml

@@ -28,26 +28,22 @@ spec:
       labels:
         control-plane: controller-manager
     spec:
-      # TODO(user): Uncomment the following code to configure the nodeAffinity expression
-      # according to the platforms which are supported by your solution.
-      # It is considered best practice to support multiple architectures. You can
-      # build your manager image using the makefile target docker-buildx.
-      # affinity:
-      #   nodeAffinity:
-      #     requiredDuringSchedulingIgnoredDuringExecution:
-      #       nodeSelectorTerms:
-      #         - matchExpressions:
-      #           - key: kubernetes.io/arch
-      #             operator: In
-      #             values:
-      #               - amd64
-      #               - arm64
-      #               - ppc64le
-      #               - s390x
-      #           - key: kubernetes.io/os
-      #             operator: In
-      #             values:
-      #               - linux
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+              - matchExpressions:
+                - key: kubernetes.io/arch
+                  operator: In
+                  values:
+                    - amd64
+                    - arm64
+                    - ppc64le
+                    - s390x
+                - key: kubernetes.io/os
+                  operator: In
+                  values:
+                    - linux
       securityContext:
         runAsNonRoot: true
         seccompProfile:
@@ -56,7 +52,10 @@ spec:
       - command:
         - /manager
         args:
-        - --leader-elect
+        - "--health-probe-bind-address=:8081"
+        - "--metrics-bind-address=127.0.0.1:8080"
+        - "--leader-elect"
+        - "--feature-gates=ForceSemverUpgradeConstraints=true"
         image: controller:latest
         imagePullPolicy: IfNotPresent
         name: manager
@@ -86,6 +85,26 @@ spec:
           requests:
             cpu: 10m
             memory: 64Mi
+      - name: kube-rbac-proxy
+        securityContext:
+          allowPrivilegeEscalation: false
+          capabilities:
+            drop:
+              - "ALL"
+        image: gcr.io/kubebuilder/kube-rbac-proxy:v0.13.1
+        args:
+        - "--secure-listen-address=0.0.0.0:8443"
+        - "--upstream=http://127.0.0.1:8080/"
+        - "--logtostderr=true"
+        - "--v=0"
+        ports:
+        - containerPort: 8443
+          protocol: TCP
+          name: https
+        resources:
+          requests:
+            cpu: 5m
+            memory: 64Mi
       serviceAccountName: controller-manager
       terminationGracePeriodSeconds: 10
       volumes: