recator to use kube module, finally fix race condition in storage tasks

contrib/network-storage/heketi/roles/provision/tasks/bootstrap/deploy.yml

@@ -0,0 +1,23 @@
+---
+- name: "Kubernetes Apps | Lay Down Heketi Bootstrap"
+  become: true
+  template: { src: "heketi-bootstrap.json.j2", dest: "{{ kube_config_dir }}/heketi-bootstrap.json" }
+  register: "rendering"
+- name: "Kubernetes Apps | Install and configure Heketi Bootstrap"
+  kube:
+    name: "GlusterFS"
+    filename: "{{ kube_config_dir }}/heketi-bootstrap.json"
+    state: "{{ rendering.changed | ternary('latest', 'present') }}"
+- name: "Wait for heketi bootstrap to complete."
+  changed_when: false
+  register: "initial_heketi_state"
+  vars:
+    initial_heketi_state: { stdout: "{}" }
+    pods_query: "items[?kind=='Pod'].status.conditions|[0][?type=='Ready'].status|[0]"
+    deployments_query: "items[?kind=='Deployment'].status.conditions|[0][?type=='Available'].status|[0]"
+  command: "{{ bin_dir }}/kubectl get services,deployments,pods --selector=deploy-heketi --output=json"
+  until:
+      - "initial_heketi_state.stdout|from_json|json_query(pods_query) == 'True'"
+      - "initial_heketi_state.stdout|from_json|json_query(deployments_query) == 'True'"
+  retries: 60
+  delay: 5

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

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+---
+- name: "Test heketi storage."
+  command: "{{ bin_dir }}/kubectl get secrets,endpoints,services,jobs --output=json"
+  changed_when: false
+  register: "heketi_storage_state"
+- name: "Create heketi storage."
+  kube:
+    name: "GlusterFS"
+    filename: "{{ kube_config_dir }}/heketi-storage.json"
+    state: "present"
+  vars:
+    secret_query: "items[?metadata.name=='heketi-storage-secret' && kind=='Secret']"
+    endpoints_query: "items[?metadata.name=='heketi-storage-endpoints' && kind=='Endpoints']"
+    service_query: "items[?metadata.name=='heketi-storage-endpoints' && kind=='Service']"
+    job_query: "items[?metadata.name=='heketi-storage-copy-job' && kind=='Job']"
+  when:
+    - "heketi_storage_state.stdout|from_json|json_query(secret_query)|length == 0"
+    - "heketi_storage_state.stdout|from_json|json_query(endpoints_query)|length == 0"
+    - "heketi_storage_state.stdout|from_json|json_query(service_query)|length == 0"
+    - "heketi_storage_state.stdout|from_json|json_query(job_query)|length == 0"
+  register: "heketi_storage_result"
+
+- name: "Get state of heketi storage service, endpoint, secret and job."
+  command: "{{ bin_dir }}/kubectl get secrets,endpoints,services,jobs --output=json"
+  changed_when: false
+  register: "heketi_storage_state"
+  vars:
+    heketi_storage_state: { stdout: "{}" }
+    secret_query: "items[?metadata.name=='heketi-storage-secret' && kind=='Secret']"
+    endpoints_query: "items[?metadata.name=='heketi-storage-endpoints' && kind=='Endpoints']"
+    service_query: "items[?metadata.name=='heketi-storage-endpoints' && kind=='Service']"
+    job_query: "items[?metadata.name=='heketi-storage-copy-job' && kind=='Job' && status.succeeded==1]"
+  until:
+    - "heketi_storage_state.stdout|from_json|json_query(secret_query)|length == 1"
+    - "heketi_storage_state.stdout|from_json|json_query(endpoints_query)|length == 1"
+    - "heketi_storage_state.stdout|from_json|json_query(service_query)|length > 0"
+    - "heketi_storage_state.stdout|from_json|json_query(job_query)|length == 1"
+  retries: 60
+  delay: 5

contrib/network-storage/heketi/roles/provision/tasks/bootstrap/tear-down.yml

@@ -0,0 +1,14 @@
+---
+- name: "Get existing Heketi deploy resources."
+  command: "{{ bin_dir }}/kubectl get all --selector=\"deploy-heketi\" -o=json"
+  register: "heketi_resources"
+  changed_when: false
+- name: "Delete bootstrap Heketi."
+  command: "{{ bin_dir }}/kubectl delete all,service,jobs,deployment,secret --selector=\"deploy-heketi\""
+  when: "heketi_resources.stdout|from_json|json_query('items[*]')|length > 0"
+- name: "Ensure there is nothing left over."
+  command: "{{ bin_dir }}/kubectl get all,service,jobs,deployment,secret --selector=\"deploy-heketi\" -o=json"
+  register: "heketi_result"
+  until: "heketi_result.stdout|from_json|json_query('items[*]')|length == 0"
+  retries: 60
+  delay: 5

contrib/network-storage/heketi/roles/provision/tasks/bootstrap/topology.yml

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+---
+- name: "Get heketi topology."
+  register: "heketi_topology"
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli topology info --json"
+- name: "Render heketi topology template."
+  become: true
+  vars: { nodes: "{{ groups['heketi-node'] }}" }
+  template:
+    src: "topology.json.j2"
+    dest: "{{ kube_config_dir }}/topology.json"
+- name: "Copy topology configuration into container."
+  command: "{{ bin_dir }}/kubectl cp {{ kube_config_dir }}/topology.json {{ initial_heketi_pod_name }}:/tmp/topology.json"
+- name: "Load heketi topology."
+  when: "heketi_topology.stdout|from_json|json_query(\"clusters[*].nodes[*]\")|flatten|length == 0"
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli topology load --json=/tmp/topology.json"
+  register: "load_heketi"
+- name: "Get heketi topology."
+  register: "heketi_topology"
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli topology info --json"
+  until: "heketi_topology.stdout|from_json|json_query(\"clusters[*].nodes[*].devices[?state=='online'].id\")|flatten|length == groups['heketi-node']|length"
+  retries: 60
+  delay: 5

contrib/network-storage/heketi/roles/provision/tasks/bootstrap/volumes.yml

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+---
+- name: "Get heketi volume ids."
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli volume list --json"
+  changed_when: false
+  register: "heketi_volumes"
+- name: "Get heketi volumes."
+  changed_when: false
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli volume info {{ volume_id }} --json"
+  with_items: "{{ heketi_volumes.stdout|from_json|json_query(\"volumes[*]\") }}"
+  loop_control: { loop_var: "volume_id" }
+  register: "volumes_information"
+- name: "Test heketi database volume."
+  set_fact: { heketi_database_volume_exists: true }
+  with_items: "{{ volumes_information.results }}"
+  loop_control: { loop_var: "volume_information" }
+  vars: { volume: "{{ volume_information.stdout|from_json }}" }
+  when: "volume.name == 'heketidbstorage'"
+- name: "Provision database volume."
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli setup-openshift-heketi-storage"
+  when: "heketi_database_volume_exists is undefined"
+- name: "Copy configuration from pod."
+  become: true
+  command: "{{ bin_dir }}/kubectl cp {{ initial_heketi_pod_name }}:/heketi-storage.json {{ kube_config_dir }}/heketi-storage.json"
+- name: "Get heketi volume ids."
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli volume list --json"
+  changed_when: false
+  register: "heketi_volumes"
+- name: "Get heketi volumes."
+  changed_when: false
+  command: "{{ bin_dir }}/kubectl exec {{ initial_heketi_pod_name }} -- heketi-cli volume info {{ volume_id }} --json"
+  with_items: "{{ heketi_volumes.stdout|from_json|json_query(\"volumes[*]\") }}"
+  loop_control: { loop_var: "volume_id" }
+  register: "volumes_information"
+- name: "Test heketi database volume."
+  set_fact: { heketi_database_volume_created: true }
+  with_items: "{{ volumes_information.results }}"
+  loop_control: { loop_var: "volume_information" }
+  vars: { volume: "{{ volume_information.stdout|from_json }}" }
+  when: "volume.name == 'heketidbstorage'"
+- name: "Ensure heketi database volume exists."
+  assert: { that: "heketi_database_volume_created is defined" , msg: "Heketi database volume does not exist." }