init

config/default/kustomization.yaml

@@ -0,0 +1,151 @@
+# Adds namespace to all resources.
+namespace: kubernetes-operator-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: kubernetes-operator-
+
+# Labels to add to all resources and selectors.
+#labels:
+#- includeSelectors: true
+#  pairs:
+#    someName: someValue
+
+resources:
+#- ../crd
+- ../rbac
+- ../manager
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
+# crd/kustomization.yaml
+#- ../webhook
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
+#- ../certmanager
+# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
+#- ../prometheus
+# [METRICS] Expose the controller manager metrics service.
+- metrics_service.yaml
+# [NETWORK POLICY] Protect the /metrics endpoint and Webhook Server with NetworkPolicy.
+# Only Pod(s) running a namespace labeled with 'metrics: enabled' will be able to gather the metrics.
+# Only CR(s) which requires webhooks and are applied on namespaces labeled with 'webhooks: enabled' will
+# be able to communicate with the Webhook Server.
+#- ../network-policy
+
+# Uncomment the patches line if you enable Metrics, and/or are using webhooks and cert-manager
+patches:
+# [METRICS] The following patch will enable the metrics endpoint using HTTPS and the port :8443.
+# More info: https://book.kubebuilder.io/reference/metrics
+- path: manager_metrics_patch.yaml
+  target:
+    kind: Deployment
+
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
+# crd/kustomization.yaml
+#- path: manager_webhook_patch.yaml
+
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'.
+# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks.
+# 'CERTMANAGER' needs to be enabled to use ca injection
+#- path: webhookcainjection_patch.yaml
+
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix.
+# Uncomment the following replacements to add the cert-manager CA injection annotations
+#replacements:
+#  - source: # Add cert-manager annotation to ValidatingWebhookConfiguration, MutatingWebhookConfiguration and CRDs
+#      kind: Certificate
+#      group: cert-manager.io
+#      version: v1
+#      name: serving-cert # this name should match the one in certificate.yaml
+#      fieldPath: .metadata.namespace # namespace of the certificate CR
+#    targets:
+#      - select:
+#          kind: ValidatingWebhookConfiguration
+#        fieldPaths:
+#          - .metadata.annotations.[cert-manager.io/inject-ca-from]
+#        options:
+#          delimiter: '/'
+#          index: 0
+#          create: true
+#      - select:
+#          kind: MutatingWebhookConfiguration
+#        fieldPaths:
+#          - .metadata.annotations.[cert-manager.io/inject-ca-from]
+#        options:
+#          delimiter: '/'
+#          index: 0
+#          create: true
+#      - select:
+#          kind: CustomResourceDefinition
+#        fieldPaths:
+#          - .metadata.annotations.[cert-manager.io/inject-ca-from]
+#        options:
+#          delimiter: '/'
+#          index: 0
+#          create: true
+#  - source:
+#      kind: Certificate
+#      group: cert-manager.io
+#      version: v1
+#      name: serving-cert # this name should match the one in certificate.yaml
+#      fieldPath: .metadata.name
+#    targets:
+#      - select:
+#          kind: ValidatingWebhookConfiguration
+#        fieldPaths:
+#          - .metadata.annotations.[cert-manager.io/inject-ca-from]
+#        options:
+#          delimiter: '/'
+#          index: 1
+#          create: true
+#      - select:
+#          kind: MutatingWebhookConfiguration
+#        fieldPaths:
+#          - .metadata.annotations.[cert-manager.io/inject-ca-from]
+#        options:
+#          delimiter: '/'
+#          index: 1
+#          create: true
+#      - select:
+#          kind: CustomResourceDefinition
+#        fieldPaths:
+#          - .metadata.annotations.[cert-manager.io/inject-ca-from]
+#        options:
+#          delimiter: '/'
+#          index: 1
+#          create: true
+#  - source: # Add cert-manager annotation to the webhook Service
+#      kind: Service
+#      version: v1
+#      name: webhook-service
+#      fieldPath: .metadata.name # namespace of the service
+#    targets:
+#      - select:
+#          kind: Certificate
+#          group: cert-manager.io
+#          version: v1
+#        fieldPaths:
+#          - .spec.dnsNames.0
+#          - .spec.dnsNames.1
+#        options:
+#          delimiter: '.'
+#          index: 0
+#          create: true
+#  - source:
+#      kind: Service
+#      version: v1
+#      name: webhook-service
+#      fieldPath: .metadata.namespace # namespace of the service
+#    targets:
+#      - select:
+#          kind: Certificate
+#          group: cert-manager.io
+#          version: v1
+#        fieldPaths:
+#          - .spec.dnsNames.0
+#          - .spec.dnsNames.1
+#        options:
+#          delimiter: '.'
+#          index: 1
+#          create: true

config/default/manager_metrics_patch.yaml

@@ -0,0 +1,4 @@
+# This patch adds the args to allow exposing the metrics endpoint using HTTPS
+- op: add
+  path: /spec/template/spec/containers/0/args/0
+  value: --metrics-bind-address=:8443

config/default/metrics_service.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    control-plane: controller-manager
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: controller-manager-metrics-service
+  namespace: system
+spec:
+  ports:
+  - name: https
+    port: 8443
+    protocol: TCP
+    targetPort: 8443
+  selector:
+    control-plane: controller-manager

config/manager/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- manager.yaml

config/manager/manager.yaml

@@ -0,0 +1,95 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    control-plane: controller-manager
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: system
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: controller-manager
+  namespace: system
+  labels:
+    control-plane: controller-manager
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+spec:
+  selector:
+    matchLabels:
+      control-plane: controller-manager
+  replicas: 1
+  template:
+    metadata:
+      annotations:
+        kubectl.kubernetes.io/default-container: manager
+      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
+      securityContext:
+        runAsNonRoot: true
+        # TODO(user): For common cases that do not require escalating privileges
+        # it is recommended to ensure that all your Pods/Containers are restrictive.
+        # More info: https://kubernetes.io/docs/concepts/security/pod-security-standards/#restricted
+        # Please uncomment the following code if your project does NOT have to work on old Kubernetes
+        # versions < 1.19 or on vendors versions which do NOT support this field by default (i.e. Openshift < 4.11 ).
+        # seccompProfile:
+        #   type: RuntimeDefault
+      containers:
+      - command:
+        - /manager
+        args:
+          - --leader-elect
+          - --health-probe-bind-address=:8081
+        image: controller:latest
+        name: manager
+        securityContext:
+          allowPrivilegeEscalation: false
+          capabilities:
+            drop:
+            - "ALL"
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 8081
+          initialDelaySeconds: 15
+          periodSeconds: 20
+        readinessProbe:
+          httpGet:
+            path: /readyz
+            port: 8081
+          initialDelaySeconds: 5
+          periodSeconds: 10
+        # TODO(user): Configure the resources accordingly based on the project requirements.
+        # More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
+        resources:
+          limits:
+            cpu: 500m
+            memory: 128Mi
+          requests:
+            cpu: 10m
+            memory: 64Mi
+      serviceAccountName: controller-manager
+      terminationGracePeriodSeconds: 10

config/manifests/kustomization.yaml

@@ -0,0 +1,28 @@
+# These resources constitute the fully configured set of manifests
+# used to generate the 'manifests/' directory in a bundle.
+resources:
+- bases/kubernetes-operator.clusterserviceversion.yaml
+- ../default
+- ../samples
+- ../scorecard
+
+# [WEBHOOK] To enable webhooks, uncomment all the sections with [WEBHOOK] prefix.
+# Do NOT uncomment sections with prefix [CERTMANAGER], as OLM does not support cert-manager.
+# These patches remove the unnecessary "cert" volume and its manager container volumeMount.
+#patches:
+#- target:
+#    group: apps
+#    version: v1
+#    kind: Deployment
+#    name: controller-manager
+#    namespace: system
+#  patch: |-
+#    # Remove the manager container's "cert" volumeMount, since OLM will create and mount a set of certs.
+#    # Update the indices in this path if adding or removing containers/volumeMounts in the manager's Deployment.
+#    - op: remove
+
+#      path: /spec/template/spec/containers/0/volumeMounts/0
+#    # Remove the "cert" volume, since OLM will create and mount a set of certs.
+#    # Update the indices in this path if adding or removing volumes in the manager's Deployment.
+#    - op: remove
+#      path: /spec/template/spec/volumes/0

config/network-policy/allow-metrics-traffic.yaml

@@ -0,0 +1,26 @@
+# This NetworkPolicy allows ingress traffic
+# with Pods running on namespaces labeled with 'metrics: enabled'. Only Pods on those
+# namespaces are able to gathering data from the metrics endpoint.
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  labels:
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: allow-metrics-traffic
+  namespace: system
+spec:
+  podSelector:
+    matchLabels:
+      control-plane: controller-manager
+  policyTypes:
+    - Ingress
+  ingress:
+    # This allows ingress traffic from any namespace with the label metrics: enabled
+    - from:
+      - namespaceSelector:
+          matchLabels:
+            metrics: enabled  # Only from namespaces with this label
+      ports:
+        - port: 8443
+          protocol: TCP

config/network-policy/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- allow-metrics-traffic.yaml

config/prometheus/kustomization.yaml

@@ -0,0 +1,2 @@
+resources:
+- monitor.yaml

config/prometheus/monitor.yaml

@@ -0,0 +1,30 @@
+# Prometheus Monitor Service (Metrics)
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    control-plane: controller-manager
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: controller-manager-metrics-monitor
+  namespace: system
+spec:
+  endpoints:
+    - path: /metrics
+      port: https # Ensure this is the name of the port that exposes HTTPS metrics
+      scheme: https
+      bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+      tlsConfig:
+        # TODO(user): The option insecureSkipVerify: true is not recommended for production since it disables
+        # certificate verification. This poses a significant security risk by making the system vulnerable to
+        # man-in-the-middle attacks, where an attacker could intercept and manipulate the communication between
+        # Prometheus and the monitored services. This could lead to unauthorized access to sensitive metrics data,
+        # compromising the integrity and confidentiality of the information.
+        # Please use the following options for secure configurations:
+        # caFile: /etc/metrics-certs/ca.crt
+        # certFile: /etc/metrics-certs/tls.crt
+        # keyFile: /etc/metrics-certs/tls.key
+        insecureSkipVerify: true
+  selector:
+    matchLabels:
+      control-plane: controller-manager

config/rbac/kustomization.yaml

@@ -0,0 +1,20 @@
+resources:
+# All RBAC will be applied under this service account in
+# the deployment namespace. You may comment out this resource
+# if your manager will use a service account that exists at
+# runtime. Be sure to update RoleBinding and ClusterRoleBinding
+# subjects if changing service account names.
+- service_account.yaml
+- role.yaml
+- role_binding.yaml
+- leader_election_role.yaml
+- leader_election_role_binding.yaml
+# The following RBAC configurations are used to protect
+# the metrics endpoint with authn/authz. These configurations
+# ensure that only authorized users and service accounts
+# can access the metrics endpoint. Comment the following
+# permissions if you want to disable this protection.
+# More info: https://book.kubebuilder.io/reference/metrics.html
+- metrics_auth_role.yaml
+- metrics_auth_role_binding.yaml
+- metrics_reader_role.yaml

config/rbac/leader_election_role.yaml

@@ -0,0 +1,40 @@
+# permissions to do leader election.
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  labels:
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: leader-election-role
+rules:
+- apiGroups:
+  - ""
+  resources:
+  - configmaps
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - coordination.k8s.io
+  resources:
+  - leases
+  verbs:
+  - get
+  - list
+  - watch
+  - create
+  - update
+  - patch
+  - delete
+- apiGroups:
+  - ""
+  resources:
+  - events
+  verbs:
+  - create
+  - patch

config/rbac/leader_election_role_binding.yaml

@@ -0,0 +1,15 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: leader-election-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: leader-election-role
+subjects:
+- kind: ServiceAccount
+  name: controller-manager
+  namespace: system

config/rbac/metrics_auth_role.yaml

@@ -0,0 +1,17 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: metrics-auth-role
+rules:
+- apiGroups:
+  - authentication.k8s.io
+  resources:
+  - tokenreviews
+  verbs:
+  - create
+- apiGroups:
+  - authorization.k8s.io
+  resources:
+  - subjectaccessreviews
+  verbs:
+  - create

config/rbac/metrics_auth_role_binding.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: metrics-auth-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: metrics-auth-role
+subjects:
+- kind: ServiceAccount
+  name: controller-manager
+  namespace: system

config/rbac/metrics_reader_role.yaml

@@ -0,0 +1,9 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: metrics-reader
+rules:
+- nonResourceURLs:
+  - "/metrics"
+  verbs:
+  - get

config/rbac/role.yaml

@@ -0,0 +1,11 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  labels:
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: manager-role
+rules:
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs: ["get", "list", "watch"]

config/rbac/role_binding.yaml

@@ -0,0 +1,15 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  labels:
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: manager-rolebinding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: manager-role
+subjects:
+- kind: ServiceAccount
+  name: controller-manager
+  namespace: system

config/rbac/service_account.yaml

@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  labels:
+    app.kubernetes.io/name: kubernetes-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: controller-manager
+  namespace: system

config/scorecard/bases/config.yaml

@@ -0,0 +1,7 @@
+apiVersion: scorecard.operatorframework.io/v1alpha3
+kind: Configuration
+metadata:
+  name: config
+stages:
+- parallel: true
+  tests: []

config/scorecard/kustomization.yaml

@@ -0,0 +1,18 @@
+resources:
+- bases/config.yaml
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+patches:
+- path: patches/basic.config.yaml
+  target:
+    group: scorecard.operatorframework.io
+    kind: Configuration
+    name: config
+    version: v1alpha3
+- path: patches/olm.config.yaml
+  target:
+    group: scorecard.operatorframework.io
+    kind: Configuration
+    name: config
+    version: v1alpha3
+# +kubebuilder:scaffold:patches

config/scorecard/patches/basic.config.yaml

@@ -0,0 +1,10 @@
+- op: add
+  path: /stages/0/tests/-
+  value:
+    entrypoint:
+    - scorecard-test
+    - basic-check-spec
+    image: quay.io/operator-framework/scorecard-test:unknown
+    labels:
+      suite: basic
+      test: basic-check-spec-test

config/scorecard/patches/olm.config.yaml

@@ -0,0 +1,50 @@
+- op: add
+  path: /stages/0/tests/-
+  value:
+    entrypoint:
+    - scorecard-test
+    - olm-bundle-validation
+    image: quay.io/operator-framework/scorecard-test:unknown
+    labels:
+      suite: olm
+      test: olm-bundle-validation-test
+- op: add
+  path: /stages/0/tests/-
+  value:
+    entrypoint:
+    - scorecard-test
+    - olm-crds-have-validation
+    image: quay.io/operator-framework/scorecard-test:unknown
+    labels:
+      suite: olm
+      test: olm-crds-have-validation-test
+- op: add
+  path: /stages/0/tests/-
+  value:
+    entrypoint:
+    - scorecard-test
+    - olm-crds-have-resources
+    image: quay.io/operator-framework/scorecard-test:unknown
+    labels:
+      suite: olm
+      test: olm-crds-have-resources-test
+- op: add
+  path: /stages/0/tests/-
+  value:
+    entrypoint:
+    - scorecard-test
+    - olm-spec-descriptors
+    image: quay.io/operator-framework/scorecard-test:unknown
+    labels:
+      suite: olm
+      test: olm-spec-descriptors-test
+- op: add
+  path: /stages/0/tests/-
+  value:
+    entrypoint:
+    - scorecard-test
+    - olm-status-descriptors
+    image: quay.io/operator-framework/scorecard-test:unknown
+    labels:
+      suite: olm
+      test: olm-status-descriptors-test