add heketi/glusterfs as additional contributional network storage

contrib/network-storage/heketi/roles/provision/tasks/main.yml

@@ -0,0 +1,26 @@
+---
+- name: "Prepare kubernetes."
+  include_tasks: "kubernetes.yml"
+
+- name: "Test heketi setup."
+  register: "heketi_service_state"
+  command: "kubectl get service heketi -o=name --ignore-not-found=true"
+  changed_when: false
+
+- name: "Setup heketi."
+  when: "heketi_service_state.stdout == \"\""
+  include_tasks: "setup.yml"
+
+- name: "Test storage class."
+  changed_when: false
+  command: "kubectl get storageclass gluster --ignore-not-found=true --output=json"
+  register: "storageclass"
+- name: "Setup storage class."
+  when: "storageclass.stdout == \"\""
+  include_tasks: "storageclass.yml"
+- name: "Test storage class."
+  changed_when: false
+  command: "kubectl get storageclass gluster --ignore-not-found=true --output=json"
+  register: "storageclass"
+- name: "Ensure storage class is up."
+  assert: { that: "storageclass.stdout != \"\"" }