MAJOR: crd: add job for custom resource definition handling

CRDs are not properly handled with external tools, Helm and similar
options cannot handle upgrading of custom resource definitions

Author: oktalz

.gitignore

@@ -4,3 +4,4 @@ kubernetes-ingress
 dist/
 .code-generator/
 bin/golangci-lint
+.local/*

crs/definition/backend.yaml renamed to crs/definition/backends.core.haproxy.org.yaml

@@ -0,0 +1,37 @@
+package definition
+
+import _ "embed"
+
+//go:embed defaults.core.haproxy.org.yaml
+var DefaultsV1alpha2 []byte
+
+//go:embed globals.core.haproxy.org.yaml
+var GlobalsV1alpha2 []byte
+
+//go:embed backends.core.haproxy.org.yaml
+var BackendsV1alpha2 []byte
+
+//go:embed upgrade/defaults.core.haproxy.org.yaml
+var DefaultsV1alpha1V1alpha2 []byte
+
+//go:embed upgrade/globals.core.haproxy.org.yaml
+var GlobalsV1alpha1V1alpha2 []byte
+
+//go:embed upgrade/backends.core.haproxy.org.yaml
+var BackendsV1alpha1V1alpha2 []byte
+
+func GetCRDs() map[string][]byte {
+	return map[string][]byte{
+		"defaults.core.haproxy.org": DefaultsV1alpha2,
+		"globals.core.haproxy.org":  GlobalsV1alpha2,
+		"backends.core.haproxy.org": BackendsV1alpha2,
+	}
+}
+
+func GetCRDsUpgrade() map[string][]byte {
+	return map[string][]byte{
+		"defaults.core.haproxy.org": DefaultsV1alpha1V1alpha2,
+		"globals.core.haproxy.org":  GlobalsV1alpha1V1alpha2,
+		"backends.core.haproxy.org": BackendsV1alpha1V1alpha2,
+	}
+}

crs/definition/defaults.yaml renamed to crs/definition/defaults.core.haproxy.org.yaml

@@ -0,0 +1,16 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: haproxy-ingress-crd # each deploymnent should have a unique name, in example we always recreate the custer
+  namespace: haproxy-controller
+spec:
+  template:
+    spec:
+      serviceAccountName: haproxy-kubernetes-ingress-crd
+      containers:
+      - name: haproxy-ingress-crd
+        image: haproxytech/kubernetes-ingress:latest
+        imagePullPolicy: Never
+        command: ["./haproxy-ingress-controller","--job-check-crd"]
+      restartPolicy: Never
+  backoffLimit: 0

crs/definition/embed.go

@@ -0,0 +1,31 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: haproxy-kubernetes-ingress-crd
+  namespace: haproxy-controller
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: haproxy-kubernetes-ingress-crd
+rules:
+  - apiGroups:
+      - "apiextensions.k8s.io"
+    resources:
+      - customresourcedefinitions
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: haproxy-kubernetes-ingress-crd
+  namespace: haproxy-controller
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: haproxy-kubernetes-ingress-crd
+subjects:
+  - kind: ServiceAccount
+    name: haproxy-kubernetes-ingress-crd
+    namespace: haproxy-controller