Fix namespace

roles/kubernetes/master/files/namespace.yml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kube-system

roles/kubernetes/master/tasks/main.yml

@@ -56,15 +56,24 @@
     delay: 10
     timeout: 60
 
-- name: Create 'kube-system' namespace
-  uri:
-    url: http://127.0.0.1:{{ kube_apiserver_insecure_port }}/api/v1/namespaces
-    method: POST
-    body: "{{namespace_kubesystem|to_json}}"
-    status_code: 201,409
+- name: copy 'kube-system' namespace manifest
+  copy: src=namespace.yml dest=/etc/kubernetes/kube-system-ns.yml
   run_once: yes
   when: inventory_hostname == groups['kube-master'][0]
 
+- name: Check if kube-system exists
+  command: kubectl get ns kube-system
+  register: 'kubesystem'
+  changed_when: False
+  ignore_errors: yes
+  run_once: yes
+
+- name: Create 'kube-system' namespace
+  command: kubectl create -f /etc/kubernetes/kube-system-ns.yml
+  when: kubesystem|failed
+  changed_when: False
+  run_once: yes
+
 - name: Write kube-controller-manager manifest
   template:
     src: manifests/kube-controller-manager.manifest.j2