Initial commit

config/default/kustomization.yaml

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+# Adds namespace to all resources.
+namespace: t-system
+
+# Value of this field is prepended to the
+# names of all resources, e.g. a deployment named
+# "wordpress" becomes "alices-wordpress".
+# Note that it should also match with the prefix (text before '-') of the namespace
+# field above.
+namePrefix: t-
+
+# Labels to add to all resources and selectors.
+#commonLabels:
+#  someName: someValue
+
+# Each entry in this list must resolve to an existing
+# resource definition in YAML.  These are the resource
+# files that kustomize reads, modifies and emits as a
+# YAML string, with resources separated by document
+# markers ("---").
+resources:
+- ../rbac/rbac_role.yaml
+- ../rbac/rbac_role_binding.yaml
+- ../manager/manager.yaml
+  # Comment the following 3 lines if you want to disable
+  # the auth proxy (https://github.com/brancz/kube-rbac-proxy)
+  # which protects your /metrics endpoint.
+- ../rbac/auth_proxy_service.yaml
+- ../rbac/auth_proxy_role.yaml
+- ../rbac/auth_proxy_role_binding.yaml
+
+patches:
+- manager_image_patch.yaml
+  # Protect the /metrics endpoint by putting it behind auth.
+  # Only one of manager_auth_proxy_patch.yaml and
+  # manager_prometheus_metrics_patch.yaml should be enabled.
+- manager_auth_proxy_patch.yaml
+  # If you want your controller-manager to expose the /metrics
+  # endpoint w/o any authn/z, uncomment the following line and
+  # comment manager_auth_proxy_patch.yaml.
+  # Only one of manager_auth_proxy_patch.yaml and
+  # manager_prometheus_metrics_patch.yaml should be enabled.
+#- manager_prometheus_metrics_patch.yaml
+
+vars:
+- name: WEBHOOK_SECRET_NAME
+  objref:
+    kind: Secret
+    name: webhook-server-secret
+    apiVersion: v1

config/default/manager_auth_proxy_patch.yaml

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+# This patch inject a sidecar container which is a HTTP proxy for the controller manager,
+# it performs RBAC authorization against the Kubernetes API using SubjectAccessReviews.
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: controller-manager
+  namespace: system
+spec:
+  template:
+    spec:
+      containers:
+      - name: kube-rbac-proxy
+        image: gcr.io/kubebuilder/kube-rbac-proxy:v0.4.0
+        args:
+        - "--secure-listen-address=0.0.0.0:8443"
+        - "--upstream=http://127.0.0.1:8080/"
+        - "--logtostderr=true"
+        - "--v=10"
+        ports:
+        - containerPort: 8443
+          name: https
+      - name: manager
+        args:
+        - "--metrics-addr=127.0.0.1:8080"

config/default/manager_image_patch.yaml

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+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: controller-manager
+  namespace: system
+spec:
+  template:
+    spec:
+      containers:
+      # Change the value of image field below to your controller image URL
+      - image: IMAGE_URL
+        name: manager

config/default/manager_prometheus_metrics_patch.yaml

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+# This patch enables Prometheus scraping for the manager pod.
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: controller-manager
+  namespace: system
+spec:
+  template:
+    metadata:
+      annotations:
+        prometheus.io/scrape: 'true'
+    spec:
+      containers:
+      # Expose the prometheus metrics on default port
+      - name: manager
+        ports:
+        - containerPort: 8080
+          name: metrics
+          protocol: TCP

config/manager/manager.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"
+  name: system
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: controller-manager-service
+  namespace: system
+  labels:
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"
+spec:
+  selector:
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"
+  ports:
+  - port: 443
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: controller-manager
+  namespace: system
+  labels:
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"
+spec:
+  selector:
+    matchLabels:
+      control-plane: controller-manager
+      controller-tools.k8s.io: "1.0"
+  serviceName: controller-manager-service
+  template:
+    metadata:
+      labels:
+        control-plane: controller-manager
+        controller-tools.k8s.io: "1.0"
+    spec:
+      containers:
+      - command:
+        - /manager
+        image: controller:latest
+        imagePullPolicy: Always
+        name: manager
+        env:
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+          - name: SECRET_NAME
+            value: $(WEBHOOK_SECRET_NAME)
+        resources:
+          limits:
+            cpu: 100m
+            memory: 30Mi
+          requests:
+            cpu: 100m
+            memory: 20Mi
+        ports:
+        - containerPort: 9876
+          name: webhook-server
+          protocol: TCP
+        volumeMounts:
+        - mountPath: /tmp/cert
+          name: cert
+          readOnly: true
+      terminationGracePeriodSeconds: 10
+      volumes:
+      - name: cert
+        secret:
+          defaultMode: 420
+          secretName: webhook-server-secret
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: webhook-server-secret
+  namespace: system

config/rbac/auth_proxy_role.yaml

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+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: proxy-role
+rules:
+- apiGroups: ["authentication.k8s.io"]
+  resources:
+  - tokenreviews
+  verbs: ["create"]
+- apiGroups: ["authorization.k8s.io"]
+  resources:
+  - subjectaccessreviews
+  verbs: ["create"]

config/rbac/auth_proxy_role_binding.yaml

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+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: proxy-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: proxy-role
+subjects:
+- kind: ServiceAccount
+  name: default
+  namespace: system

config/rbac/auth_proxy_service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    prometheus.io/port: "8443"
+    prometheus.io/scheme: https
+    prometheus.io/scrape: "true"
+  labels:
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"
+  name: controller-manager-metrics-service
+  namespace: system
+spec:
+  ports:
+  - name: https
+    port: 8443
+    targetPort: https
+  selector:
+    control-plane: controller-manager
+    controller-tools.k8s.io: "1.0"