diff --git a/apis/objectstore/v100/master_types.go b/apis/objectstore/v100/master_types.go
index 9dccda7..f2c6bb5 100644
--- a/apis/objectstore/v100/master_types.go
+++ b/apis/objectstore/v100/master_types.go
@@ -28,8 +28,10 @@ type MasterSpec struct {
 	// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster
 	// Important: Run "make" to regenerate code after modifying this file
 
-	// Foo is an example field of Master. Edit Master_types.go to remove/update
-	Foo string `json:"foo,omitempty"`
+	// Mdir is data directory to store meta data
+	Mdir           string `json:"mdir,omitempty"`
+	// MetricsAddress is Prometheus gateway address
+	MetricsAddress string `json:"metricsAddress,omitempty"`
 }
 
 // MasterStatus defines the observed state of Master
diff --git a/config/crd/bases/objectstore.seaweedfs.com_masters.yaml b/config/crd/bases/objectstore.seaweedfs.com_masters.yaml
new file mode 100644
index 0000000..6652fdc
--- /dev/null
+++ b/config/crd/bases/objectstore.seaweedfs.com_masters.yaml
@@ -0,0 +1,60 @@
+
+---
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.3.0
+  creationTimestamp: null
+  name: masters.objectstore.seaweedfs.com
+spec:
+  group: objectstore.seaweedfs.com
+  names:
+    kind: Master
+    listKind: MasterList
+    plural: masters
+    singular: master
+  scope: Namespaced
+  subresources:
+    status: {}
+  validation:
+    openAPIV3Schema:
+      description: Master is the Schema for the masters API
+      properties:
+        apiVersion:
+          description: 'APIVersion defines the versioned schema of this representation
+            of an object. Servers should convert recognized schemas to the latest
+            internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+          type: string
+        kind:
+          description: 'Kind is a string value representing the REST resource this
+            object represents. Servers may infer this from the endpoint the client
+            submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+          type: string
+        metadata:
+          type: object
+        spec:
+          description: MasterSpec defines the desired state of Master
+          properties:
+            mdir:
+              description: Mdir is data directory to store meta data
+              type: string
+            metricsAddress:
+              description: MetricsAddress is Prometheus gateway address
+              type: string
+          type: object
+        status:
+          description: MasterStatus defines the observed state of Master
+          type: object
+      type: object
+  version: v100
+  versions:
+  - name: v100
+    served: true
+    storage: true
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []
diff --git a/config/rbac/role.yaml b/config/rbac/role.yaml
new file mode 100644
index 0000000..1b18e14
--- /dev/null
+++ b/config/rbac/role.yaml
@@ -0,0 +1,28 @@
+
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  creationTimestamp: null
+  name: manager-role
+rules:
+- apiGroups:
+  - objectstore.seaweedfs.com
+  resources:
+  - masters
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - objectstore.seaweedfs.com
+  resources:
+  - masters/status
+  verbs:
+  - get
+  - patch
+  - update