deploy: restore namespace handling in fullstack overlay

This patch removes hard-coded namespaces from the `base` layer, then
creates the `objectstorage-system` and `objectstorage-provisioner-ns`
Namespaces in the `fullstack` overlay, and uses them accordingly.

Closes: kubernetes-retired/container-object-storage-interface-controller#22

Author: NicolasT

Diff for: container-object-storage-interface-controller/deploy/base/deployment.yaml

@@ -3,7 +3,6 @@ kind: Deployment
 apiVersion: apps/v1
 metadata:
   name: objectstorage-controller
-  namespace: objectstorage-system
   labels:
     app.kubernetes.io/part-of: container-object-storage-interface
     app.kubernetes.io/component: controller

Diff for: container-object-storage-interface-controller/deploy/base/kustomization.yaml

@@ -11,7 +11,6 @@ resources:
 - https://raw.githubusercontent.com/kubernetes-sigs/container-object-storage-interface-api/master/crds/objectstorage.k8s.io_bucketrequests.yaml
 - https://raw.githubusercontent.com/kubernetes-sigs/container-object-storage-interface-api/master/crds/objectstorage.k8s.io_buckets.yaml
 # Controller
-- ns.yaml
 - sa.yaml
 - rbac.yaml
 - deployment.yaml

Diff for: container-object-storage-interface-controller/deploy/base/rbac.yaml

@@ -34,7 +34,6 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: objectstorage-controller-sa
-    namespace: objectstorage-system
 roleRef:
   kind: ClusterRole
   name: objectstorage-controller-role
@@ -44,7 +43,6 @@ kind: Role
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: objectstorage-controller
-  namespace: objectstorage-system
   labels:
     app.kubernetes.io/part-of: container-object-storage-interface
     app.kubernetes.io/component: controller
@@ -59,7 +57,6 @@ kind: RoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
   name: objectstorage-controller
-  namespace: objectstorage-system
   labels:
     app.kubernetes.io/part-of: container-object-storage-interface
     app.kubernetes.io/component: controller
@@ -68,7 +65,6 @@ metadata:
 subjects:
   - kind: ServiceAccount
     name: objectstorage-controller-sa
-    namespace: objectstorage-system
 roleRef:
   kind: Role
   name: objectstorage-controller

Diff for: container-object-storage-interface-controller/deploy/base/sa.yaml

@@ -3,7 +3,6 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: objectstorage-controller-sa
-  namespace: objectstorage-system
   labels:
     app.kubernetes.io/part-of: container-object-storage-interface
     app.kubernetes.io/component: controller

Diff for: container-object-storage-interface-controller/deploy/fullstack/controller/kustomization.yaml

@@ -0,0 +1,12 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: objectstorage-system
+
+bases:
+- ../../base/
+
+resources:
+# Namespace
+- ns.yaml

Diff for: container-object-storage-interface-controller/deploy/base/ns.yaml renamed to container-object-storage-interface-controller/deploy/fullstack/controller/ns.yaml

@@ -3,33 +3,5 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 
 bases:
-- ../base/
-
-resources:
-# Sidecar
-- https://raw.githubusercontent.com/container-object-storage-interface/cosi-provisioner-sidecar/master/examples/object-storage-sidecar.yaml
-
-patches:
-# Sidecar
-- target:
-    kind: Deployment
-    name: object-storage-provisioner
-  patch: |-
-    - op: replace
-      path: /metadata
-      value:
-        name: object-storage-provisioner
-        labels:
-          app: object-storage-provisioner
-        namespace: objectstorage-provisioner-ns
-- target:
-    kind: Secret
-    name: object-storage-provisioner
-  patch: |-
-    - op: replace
-      path: /metadata
-      value:
-        name: object-storage-provisioner
-        labels:
-          app: object-storage-provisioner
-        namespace: objectstorage-provisioner-ns
+- ./controller
+- ./provisioner

Diff for: container-object-storage-interface-controller/deploy/fullstack/kustomization.yaml

@@ -0,0 +1,11 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: objectstorage-provisioner-ns
+
+resources:
+# Namespace
+- ns.yaml
+# Sidecar
+- https://raw.githubusercontent.com/container-object-storage-interface/cosi-provisioner-sidecar/master/examples/object-storage-sidecar.yaml

Diff for: container-object-storage-interface-controller/deploy/fullstack/provisioner/kustomization.yaml

@@ -0,0 +1,5 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: objectstorage-provisioner-ns