feat(resource): adding new hydra-maester resource

This allow to manage "Clients" with a CRD

from official doc:

The controller listens for Custom Resource which defines client registration request.
Once Custom resource is created, the controller register oauth2 client in hydra using
hydra's REST API.

Client Id, Client Secret and Identifier of the client in hydra are be stored in the
kubernetes as a secret and referenced in the applied CR. Reference is used to
identify in which kubernetes secret are stored mentioned properties.

Secret iscreated in the same namespace of applied CR. By default controller should
be deployed in the same pod as hydra. Service discovery will come in place in the future.

kustomization.yaml

@@ -4,6 +4,7 @@ kind: Kustomization
 resources:
   - ./resources/hydra
   - ./resources/hydra-dispatcher
+  - ./resources/hydra-maester
 
 components:
   - ./components/hydra-cnpg-database

resources/hydra-maester/kustomization.yaml

@@ -0,0 +1,14 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - ./resources/hydra-maester-deployment.yaml
+  - ./resources/hydra-maester-rbac.yaml
+
+configMapGenerator:
+  - name: hydra-maester-env
+    literals:
+      - APP_ENV=prod
+      - APP_DEBUG=false
+      - HYDRA_ADMIN_BASE_URL=http://hydra
+      - HYDRA_ADMIN_PORT=4445

resources/hydra-maester/resources/hydra-maester-deployment.yaml

@@ -0,0 +1,53 @@
+---
+# Source: hydra/charts/hydra-maester/templates/deployment.yaml
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hydra-maester
+  labels:
+    app.kubernetes.io/name: hydra-maester
+    app.kubernetes.io/instance: hydra-master
+    app.kubernetes.io/version: "v0.0.23"
+spec:
+  replicas: 1
+  revisionHistoryLimit: 10
+  selector:
+    matchLabels:
+      control-plane: controller-manager
+      app.kubernetes.io/name: hydra-maester
+      app.kubernetes.io/instance: hydra
+  template:
+    metadata:
+      labels:
+        control-plane: controller-manager
+        app.kubernetes.io/name: hydra-maester
+        app.kubernetes.io/instance: hydra
+      annotations:
+    spec:
+      containers:
+        - name: hydra-maester
+          image: reg.cadoles.com/proxy_cache/oryd/hydra-maester:v0.0.25
+          imagePullPolicy: IfNotPresent
+          command:
+            - /manager
+          args:
+            - --metrics-addr=127.0.0.1:8080
+            - --hydra-url=${HYDRA_ADMIN_BASE_URL}
+            - --hydra-port=${HYDRA_ADMIN_PORT}
+            - --endpoint=/admin/clients
+          resources:
+            {}
+          terminationMessagePath: /dev/termination-log
+          terminationMessagePolicy: File
+          securityContext:
+            allowPrivilegeEscalation: false
+            capabilities:
+              drop:
+              - ALL
+            privileged: false
+            readOnlyRootFilesystem: true
+            runAsNonRoot: true
+            runAsUser: 1000
+      serviceAccountName: hydra-maester-account
+      automountServiceAccountToken: true
+      nodeSelector:

resources/hydra-maester/resources/hydra-maester-rbac.yaml

@@ -0,0 +1,63 @@
+---
+# Source: hydra/charts/hydra-maester/templates/rbac.yaml
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: hydra-maester-account
+  namespace:  hydra
+---
+# Source: hydra/charts/hydra-maester/templates/rbac.yaml
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: hydra-maester-role
+rules:
+  - apiGroups: ["hydra.ory.sh"]
+    resources: ["oauth2clients", "oauth2clients/status"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+  - apiGroups: [""]
+    resources: ["secrets"]
+    verbs: ["list", "watch", "create"]
+---
+# Source: hydra/charts/hydra-maester/templates/rbac.yaml
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: hydra-maester-role-binding
+subjects:
+  - kind: ServiceAccount
+    name: hydra-maester-account # Service account assigned to the controller pod.
+    namespace:  hydra
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: hydra-maester-role
+---
+# Source: hydra/charts/hydra-maester/templates/rbac.yaml
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: hydra-maester-role
+  namespace:  hydra
+rules:
+  - apiGroups: [""]
+    resources: ["secrets"]
+    verbs: ["get", "list", "watch", "create"]
+  - apiGroups: ["hydra.ory.sh"]
+    resources: ["oauth2clients", "oauth2clients/status"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+---
+# Source: hydra/charts/hydra-maester/templates/rbac.yaml
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: hydra-maester-role-binding
+  namespace:  hydra
+subjects:
+  - kind: ServiceAccount
+    name: hydra-maester-account # Service account assigned to the controller pod.
+    namespace:  hydra
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: Role
+  name: hydra-maester-role