Ansible 2.0

roles/kubernetes/master/tasks/main.yml

@@ -60,9 +60,8 @@
   uri:
     url: http://127.0.0.1:{{ kube_apiserver_insecure_port }}/api/v1/namespaces
     method: POST
-    body: '{"apiVersion":"v1","kind":"Namespace","metadata":{"name":"kube-system"}}'
+    body: "{{namespace_kubesystem|to_json}}"
     status_code: 201,409
-    body_format: json
   run_once: yes
   when: inventory_hostname == groups['kube-master'][0]
 

roles/kubernetes/master/vars/main.yml

@@ -0,0 +1,6 @@
+---
+namespace_kubesystem:
+  apiVersion: v1
+  kind: Namespace
+  metadata:
+    name: kube-system