deploy, kustomize: provide an OpenShift overlay

Signed-off-by: Miguel Duarte Barroso <[email protected]>

config/openshift/kustomization.yaml

@@ -0,0 +1,36 @@
+# Adds namespace to all resources.
+namespace: openshift-kubevirt-ipam-controller-system
+
+labels:
+- includeSelectors: true
+  pairs:
+    app: ipam-virt-workloads
+
+resources:
+- ../rbac
+- ../manager
+- ../webhook
+
+patches:
+- path: manager_webhook_patch.yaml
+- path: webhookcainjection_patch.yaml
+- patch: |-
+    - op: add
+      path: /webhooks/0/objectSelector
+      value:
+        matchLabels:
+          kubevirt.io: virt-launcher
+  target:
+    kind: MutatingWebhookConfiguration
+    group: admissionregistration.k8s.io
+    version: v1
+    name: mutating-webhook-configuration
+- patch: |-
+    - op: add
+      path: /metadata/annotations
+      value:
+        service.beta.openshift.io/serving-cert-secret-name: webhook-service
+  target:
+    kind: Service
+    version: v1
+    name: webhook-service

config/openshift/manager_webhook_patch.yaml

@@ -0,0 +1,28 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: controller-manager
+  namespace: system
+  annotations:
+    openshift.io/required-scc: "restricted-v2"
+spec:
+  template:
+    spec:
+      containers:
+      - name: manager
+        args:
+          - --leader-elect
+          - --certificates-dir=/etc/ipam-controller/certificates
+        ports:
+        - containerPort: 9443
+          name: webhook-server
+          protocol: TCP
+        volumeMounts:
+        - mountPath: /etc/ipam-controller/certificates
+          name: cert
+          readOnly: true
+      volumes:
+      - name: cert
+        secret:
+          defaultMode: 420
+          secretName: webhook-server-cert

config/openshift/webhookcainjection_patch.yaml

@@ -0,0 +1,16 @@
+# This patch add annotation to admission webhook config and
+# CERTIFICATE_NAMESPACE and CERTIFICATE_NAME will be substituted by kustomize
+apiVersion: admissionregistration.k8s.io/v1
+kind: MutatingWebhookConfiguration
+metadata:
+  labels:
+    app.kubernetes.io/name: mutatingwebhookconfiguration
+    app.kubernetes.io/instance: mutating-webhook-configuration
+    app.kubernetes.io/component: webhook
+    app.kubernetes.io/created-by: kubevirt-ipam-controller
+    app.kubernetes.io/part-of: kubevirt-ipam-controller
+    app.kubernetes.io/managed-by: kustomize
+  name: mutating-webhook-configuration
+  namespace: openshift-kubevirt-ipam-controller-system
+  annotations:
+    service.beta.openshift.io/inject-cabundle: "true"