storage-operator: Volume is a cluster-scoped resource

See: https://github.com/hasbro17/operator-sdk/blob/56fd0b290301cde1d42132fcd17ae52746461f8f/doc/operator-scope.md
See: operator-framework/operator-sdk#1650

Author: NicolasT

storage-operator/deploy/crds/storage_v1alpha1_volume_crd.yaml

@@ -9,7 +9,7 @@ spec:
     listKind: VolumeList
     plural: volumes
     singular: volume
-  scope: Namespaced
+  scope: Cluster
   subresources:
     status: {}
   validation:

storage-operator/deploy/operator.yaml

@@ -2,6 +2,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: storage-operator
+  namespace: kube-system
 spec:
   replicas: 1
   selector:
@@ -22,9 +23,7 @@ spec:
           imagePullPolicy: Always
           env:
             - name: WATCH_NAMESPACE
-              valueFrom:
-                fieldRef:
-                  fieldPath: metadata.namespace
+              value: ''
             - name: POD_NAME
               valueFrom:
                 fieldRef:

storage-operator/deploy/role.yaml

@@ -1,5 +1,5 @@
 apiVersion: rbac.authorization.k8s.io/v1
-kind: Role
+kind: ClusterRole
 metadata:
   creationTimestamp: null
   name: storage-operator

storage-operator/deploy/role_binding.yaml

@@ -1,11 +1,12 @@
-kind: RoleBinding
+kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: storage-operator
 subjects:
 - kind: ServiceAccount
   name: storage-operator
+  namespace: kube-system
 roleRef:
-  kind: Role
+  kind: ClusterRole
   name: storage-operator
   apiGroup: rbac.authorization.k8s.io

storage-operator/pkg/apis/storage/v1alpha1/volume_types.go

@@ -28,6 +28,7 @@ type VolumeStatus struct {
 // Volume is the Schema for the volumes API
 // +k8s:openapi-gen=true
 // +kubebuilder:subresource:status
+// +genclient:nonNamespaced
 type Volume struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`