okd/roles/openshift_storage_glusterfs/tasks/glusterfs_common.yml

---
- name: Make sure heketi-client is installed
  package: name=heketi-client state=present
  when:
  - not openshift_is_atomic | bool
  - not glusterfs_heketi_is_native | bool
  register: result
  until: result is succeeded

- name: Verify heketi-cli is installed
  shell: "command -v {{ glusterfs_heketi_cli }} >/dev/null 2>&1 || { echo >&2 'ERROR: Make sure heketi-cli is available, then re-run the installer'; exit 1; }"
  changed_when: False
  when:
  - not glusterfs_heketi_is_native | bool

- name: Verify target namespace exists
  oc_project:
    state: present
    name: "{{ glusterfs_namespace }}"
    node_selector: "{% if glusterfs_use_default_selector %}{{ omit }}{% endif %}"
  when: glusterfs_is_native or glusterfs_heketi_is_native or glusterfs_storageclass

- name: Add namespace service accounts to privileged SCC
  oc_adm_policy_user:
    user: "system:serviceaccount:{{ glusterfs_namespace }}:{{ item }}"
    resource_kind: scc
    resource_name: privileged
    state: present
  with_items:
  - 'default'
  - 'router'
  when: glusterfs_is_native or glusterfs_heketi_is_native

- name: Delete pre-existing heketi resources
  oc_obj:
    namespace: "{{ glusterfs_namespace }}"
    kind: "{{ item.kind }}"
    name: "{{ item.name | default(omit) }}"
    selector: "{{ item.selector | default(omit) }}"
    state: absent
  with_items:
  - kind: "template,route,service,dc,jobs,secret"
    selector: "deploy-heketi"
  - kind: "svc"
    name: "heketi-storage-endpoints"
  - kind: "secret"
    name: "heketi-{{ glusterfs_name | default }}-topology-secret"
  - kind: "secret"
    name: "heketi-{{ glusterfs_name | default }}-config-secret"
  - kind: "template,route,service,dc"
    name: "heketi-{{ glusterfs_name | default }}"
  - kind: "svc"
    name: "heketi-db-{{ glusterfs_name | default }}-endpoints"
  - kind: "sa"
    name: "heketi-{{ glusterfs_name | default }}-service-account"
  - kind: "secret"
    name: "heketi-{{ glusterfs_name | default }}-admin-secret"
  failed_when: False
  when: glusterfs_heketi_wipe

- name: Wait for deploy-heketi pods to terminate
  oc_obj:
    namespace: "{{ glusterfs_namespace }}"
    kind: pod
    state: list
    selector: "glusterfs=deploy-heketi-{{ glusterfs_name }}-pod"
  register: deploy_heketi_pod
  until: "deploy_heketi_pod.results.results[0]['items'] | count == 0"
  delay: 10
  retries: "{{ (glusterfs_timeout | int / 10) | int }}"
  when: glusterfs_heketi_wipe

- name: Wait for heketi pods to terminate
  oc_obj:
    namespace: "{{ glusterfs_namespace }}"
    kind: pod
    state: list
    selector: "glusterfs=heketi-{{ glusterfs_name }}-pod"
  register: heketi_pod
  until: "heketi_pod.results.results[0]['items'] | count == 0"
  delay: 10
  retries: "{{ (glusterfs_timeout | int / 10) | int }}"
  when: glusterfs_heketi_wipe

- include_tasks: glusterfs_deploy.yml
  when: glusterfs_is_native

- name: Create heketi service account
  oc_serviceaccount:
    namespace: "{{ glusterfs_namespace }}"
    name: "heketi-{{ glusterfs_name }}-service-account"
    state: present
  when: glusterfs_heketi_is_native

- name: Add heketi service account to privileged SCC
  oc_adm_policy_user:
    namespace: "{{ glusterfs_namespace }}"
    user: "system:serviceaccount:{{ glusterfs_namespace }}:heketi-{{ glusterfs_name }}-service-account"
    resource_kind: scc
    resource_name: privileged
    state: present
  when: glusterfs_heketi_is_native

- name: Allow heketi service account to view/edit pods
  oc_adm_policy_user:
    namespace: "{{ glusterfs_namespace }}"
    user: "system:serviceaccount:{{ glusterfs_namespace }}:heketi-{{ glusterfs_name }}-service-account"
    resource_kind: role
    resource_name: edit
    state: present
  when: glusterfs_heketi_is_native

- name: Check for existing deploy-heketi pod
  oc_obj:
    namespace: "{{ glusterfs_namespace }}"
    state: list
    kind: pod
    selector: "glusterfs=deploy-heketi-{{ glusterfs_name }}-pod"
  register: deploy_heketi_pod
  when: glusterfs_heketi_is_native

- name: Check if need to deploy deploy-heketi
  set_fact:
    glusterfs_heketi_deploy_is_missing: False
  when:
  - "glusterfs_heketi_is_native"
  - "deploy_heketi_pod.results.results[0]['items'] | count > 0"
  # deploy-heketi is not missing when there are one or more pods with matching labels whose 'Ready' status is True
  - "deploy_heketi_pod.results.results[0]['items'] | lib_utils_oo_collect(attribute='status.conditions') | lib_utils_oo_collect(attribute='status', filters={'type': 'Ready'}) | map('bool') | select | list | count > 0"

- name: Check for existing heketi pod
  oc_obj:
    namespace: "{{ glusterfs_namespace }}"
    state: list
    kind: pod
    selector: "glusterfs=heketi-{{ glusterfs_name }}-pod"
  register: heketi_pod
  when: glusterfs_heketi_is_native

- name: Check if need to deploy heketi
  set_fact:
    glusterfs_heketi_is_missing: False
  when:
  - "glusterfs_heketi_is_native"
  - "heketi_pod.results.results[0]['items'] | count > 0"
  # heketi is not missing when there are one or more pods with matching labels whose 'Ready' status is True
  - "heketi_pod.results.results[0]['items'] | lib_utils_oo_collect(attribute='status.conditions') | lib_utils_oo_collect(attribute='status', filters={'type': 'Ready'}) | map('bool') | select | list | count > 0"

- name: Generate topology file
  template:
    src: "{{ openshift.common.examples_content_version }}/topology.json.j2"
    dest: "{{ mktemp.stdout }}/topology.json"
  when:
  - glusterfs_heketi_topology_load

- name: Generate heketi config file
  template:
    src: "{{ openshift.common.examples_content_version }}/heketi.json.j2"
    dest: "{{ mktemp.stdout }}/heketi.json"
  when:
  - glusterfs_heketi_is_native

- name: Get heketi admin secret
  oc_secret:
    state: list
    namespace: "{{ glusterfs_namespace }}"
    name: "heketi-{{ glusterfs_name }}-admin-secret"
    decode: True
  register: glusterfs_heketi_admin_secret

- name: Set heketi admin key
  set_fact:
    glusterfs_heketi_admin_key: "{{ glusterfs_heketi_admin_secret.results.decoded.key }}"
  when:
  - glusterfs_is_native
  - glusterfs_heketi_admin_secret.results.results[0]

- name: Generate heketi admin key
  set_fact:
    glusterfs_heketi_admin_key: "{{ 32 | lib_utils_oo_generate_secret }}"
  when:
  - glusterfs_heketi_is_native
  - glusterfs_heketi_admin_key is undefined

- name: Generate heketi user key
  set_fact:
    glusterfs_heketi_user_key: "{{ 32 | lib_utils_oo_generate_secret }}"
  until: "glusterfs_heketi_user_key != glusterfs_heketi_admin_key"
  delay: 1
  retries: 10
  when:
  - glusterfs_heketi_is_native
  - glusterfs_heketi_user_key is undefined

- name: Copy heketi private key
  copy:
    src: "{{ glusterfs_heketi_ssh_keyfile | default(omit)  }}"
    content: "{{ '' if glusterfs_heketi_ssh_keyfile is undefined else omit }}"
    dest: "{{ mktemp.stdout }}/private_key"

- name: Create heketi config secret
  oc_secret:
    namespace: "{{ glusterfs_namespace }}"
    state: present
    name: "heketi-{{ glusterfs_name }}-config-secret"
    force: True
    files:
    - name: heketi.json
      path: "{{ mktemp.stdout }}/heketi.json"
    - name: private_key
      path: "{{ mktemp.stdout }}/private_key"
  when:
  - glusterfs_heketi_is_native

- include_tasks: heketi_deploy_part1.yml
  when:
  - glusterfs_heketi_is_native
  - glusterfs_heketi_deploy_is_missing
  - glusterfs_heketi_is_missing

- name: Wait for deploy-heketi pod
  oc_obj:
    namespace: "{{ glusterfs_namespace }}"
    kind: pod
    state: list
    selector: "glusterfs=deploy-heketi-{{ glusterfs_name }}-pod"
  register: deploy_heketi_pod
  until:
  - "deploy_heketi_pod.results.results[0]['items'] | count > 0"
  # Pod's 'Ready' status must be True
  - "deploy_heketi_pod.results.results[0]['items'] | lib_utils_oo_collect(attribute='status.conditions') | lib_utils_oo_collect(attribute='status', filters={'type': 'Ready'}) | map('bool') | select | list | count == 1"
  delay: 10
  retries: "{{ (glusterfs_timeout | int / 10) | int }}"
  when:
  - glusterfs_heketi_is_native
  - not glusterfs_heketi_deploy_is_missing
  - glusterfs_heketi_is_missing

- name: Set heketi-cli command
  set_fact:
    glusterfs_heketi_client: "{% if glusterfs_heketi_is_native %}{{ openshift_client_binary }} rsh --namespace={{ glusterfs_namespace }} {%if not glusterfs_heketi_is_missing %}{{ heketi_pod.results.results[0]['items'][0]['metadata']['name'] }}{% else %}{{ deploy_heketi_pod.results.results[0]['items'][0]['metadata']['name'] }}{% endif %} {% endif %}{{ glusterfs_heketi_cli }} -s http://{% if glusterfs_heketi_is_native %}localhost:8080{% else %}{{ glusterfs_heketi_url }}:{{ glusterfs_heketi_port }}{% endif %} --user admin {% if glusterfs_heketi_admin_key is defined %}--secret '{{ glusterfs_heketi_admin_key }}'{% endif %}"

- name: Verify heketi service
  command: "{{ glusterfs_heketi_client }} cluster list"
  changed_when: False

- name: Place heketi topology on heketi Pod
  shell: "{{ openshift_client_binary }} exec --namespace={{ glusterfs_namespace }} -i {%if not glusterfs_heketi_is_missing %}{{ heketi_pod.results.results[0]['items'][0]['metadata']['name'] }}{% else %}{{ deploy_heketi_pod.results.results[0]['items'][0]['metadata']['name'] }}{% endif %} -- bash -c 'mkdir -p {{ mktemp.stdout }} && cat > {{ mktemp.stdout }}/topology.json' < {{ mktemp.stdout }}/topology.json"
  when:
  - glusterfs_heketi_is_native

- name: Load heketi topology
  command: "{{ glusterfs_heketi_client }} topology load --json={{ mktemp.stdout }}/topology.json 2>&1"
  register: topology_load
  failed_when: "topology_load.rc != 0 or 'Unable' in topology_load.stdout"
  when:
  - glusterfs_heketi_topology_load

- include_tasks: heketi_deploy_part2.yml
  when:
  - glusterfs_heketi_is_native
  - glusterfs_heketi_is_missing

- name: Check if gluster-s3 can't be deployed
  set_fact:
    glusterfs_s3_deploy: False
  when:
  - "glusterfs_s3_account is not defined or glusterfs_s3_user is not defined or glusterfs_s3_password is not defined"

- block:
  - name: Create heketi secret
    oc_secret:
      namespace: "{{ glusterfs_namespace }}"
      state: present
      name: "heketi-{{ glusterfs_name }}-admin-secret"
      type: "kubernetes.io/glusterfs"
      force: True
      contents:
      - path: key
        data: "{{ glusterfs_heketi_admin_key }}"
    when:
    - glusterfs_heketi_admin_key is defined

  - name: Get heketi route
    oc_obj:
      namespace: "{{ glusterfs_namespace }}"
      kind: route
      state: list
      name: "heketi-{{ glusterfs_name }}"
    register: heketi_route
    when:
    - glusterfs_heketi_is_native

  - name: Determine StorageClass heketi URL
    set_fact:
      glusterfs_heketi_route: "{{ heketi_route.results.results[0]['spec']['host'] }}"
    when:
    - glusterfs_heketi_is_native

  - name: Generate GlusterFS StorageClass file
    template:
      src: "{{ openshift.common.examples_content_version }}/glusterfs-storageclass.yml.j2"
      dest: "{{ mktemp.stdout }}/glusterfs-storageclass.yml"

  - name: Create GlusterFS StorageClass
    oc_obj:
      state: present
      kind: storageclass
      name: "glusterfs-{{ glusterfs_name }}"
      files:
      - "{{ mktemp.stdout }}/glusterfs-storageclass.yml"
  when:
  - glusterfs_storageclass or glusterfs_s3_deploy

- include_tasks: glusterblock_deploy.yml
  when:
  - glusterfs_block_deploy
  #TODO: Remove this when multipathd will be available on atomic
  - not openshift_is_atomic | bool

- block:
  - name: Create heketi block secret
    oc_secret:
      namespace: "{{ glusterfs_namespace }}"
      state: present
      name: "heketi-{{ glusterfs_name }}-admin-secret-block"
      type: "gluster.org/glusterblock"
      force: True
      contents:
      - path: key
        data: "{{ glusterfs_heketi_admin_key }}"
    when: glusterfs_heketi_admin_key is defined
  - name: Generate Gluster Block StorageClass file
    template:
      src: "{{ openshift.common.examples_content_version }}/gluster-block-storageclass.yml.j2"
      dest: "{{ mktemp.stdout }}/gluster-block-storageclass.yml"

  - name: Create Gluster Block StorageClass
    oc_obj:
      state: present
      kind: storageclass
      name: "glusterfs-{{ glusterfs_name }}-block"
      files:
      - "{{ mktemp.stdout }}/gluster-block-storageclass.yml"
  when: glusterfs_block_storageclass

- include_tasks: gluster_s3_deploy.yml
  when: glusterfs_s3_deploy