computer-playbook/roles/web-app-nextcloud/tasks/addons/integration_mattermost_provision.yml

---
- name: "🔍 Resolve Mattermost hosting node + container id"
  ansible.builtin.include_tasks: "{{ lookup('path_absolute', 'roles/sys-svc-compose/tasks/utils/swarm/resolve_host_cid.yml') }}"
  vars:
    resolve_service_key: mattermost
    resolve_service_name: "{{ lookup('container_service', 'web-app-mattermost', 'mattermost') }}"
    resolve_output_prefix: NEXTCLOUD_MM
    resolve_compose_cid: "{{ lookup('container_address', 'web-app-mattermost', 'mattermost') }}"
    resolve_converge_retries: 120
    resolve_converge_delay: 5

- name: ⏳ Wait until Mattermost mmctl local mode is ready
  shell: >- # nocheck: container-exec-resolver  NEXTCLOUD_MM_LOCAL_CID resolved at delegate_to runtime; container_address would return a manager-only subshell
    container exec -i {{ NEXTCLOUD_MM_LOCAL_CID | quote }}
    /mattermost/bin/mmctl --local system status
  args:
    chdir: "{{ nextcloud_mm_exec_chdir | default(omit) }}"
  delegate_to: "{{ NEXTCLOUD_MM_HOST_NODE }}"
  register: nextcloud_mm_ready
  retries: 60
  delay: 5
  until: nextcloud_mm_ready.rc == 0
  changed_when: false
  failed_when: nextcloud_mm_ready.rc != 0 and nextcloud_mm_ready.attempts | default(0) >= 60

- name: 🟢 Enable the Mattermost OAuth 2.0 service provider (required for the connector)
  shell: >- # nocheck: container-exec-resolver  NEXTCLOUD_MM_LOCAL_CID resolved at delegate_to runtime; container_address would return a manager-only subshell
    container exec -i {{ NEXTCLOUD_MM_LOCAL_CID | quote }}
    /mattermost/bin/mmctl --local config set ServiceSettings.EnableOAuthServiceProvider true
  args:
    chdir: "{{ nextcloud_mm_exec_chdir | default(omit) }}"
  delegate_to: "{{ NEXTCLOUD_MM_HOST_NODE }}"
  register: nextcloud_mm_oauth_provider
  changed_when: "'true' in nextcloud_mm_oauth_provider.stdout"

- name: ⚙️ Generate a short-lived admin personal access token for OAuth provisioning
  shell: >- # nocheck: container-exec-resolver  NEXTCLOUD_MM_LOCAL_CID resolved at delegate_to runtime; container_address would return a manager-only subshell
    container exec -i {{ NEXTCLOUD_MM_LOCAL_CID | quote }}
    /mattermost/bin/mmctl --local token generate {{ lookup('users', 'administrator').username }} infinito-nc-oauth-provision --json
  args:
    chdir: "{{ nextcloud_mm_exec_chdir | default(omit) }}"
  delegate_to: "{{ NEXTCLOUD_MM_HOST_NODE }}"
  register: nextcloud_mm_pat
  changed_when: true
  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

- name: 🔎 Parse the admin personal access token
  set_fact:
    nextcloud_mm_token: "{{ (nextcloud_mm_pat.stdout | from_json | first).token }}"
    nextcloud_mm_token_id: "{{ (nextcloud_mm_pat.stdout | from_json | first).id }}"
  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

- name: "⏳ Wait until the Mattermost HTTP API serves (mmctl local mode skips it)"
  uri_retry:
    url: "{{ nextcloud_mm_local_url }}/api/v4/system/ping"
    timeout: "{{ lookup('timeout', 10) | int }}"
    status_code: 200
  delegate_to: "{{ NEXTCLOUD_MM_HOST_NODE }}"
  register: nextcloud_mm_http_ready
  retries: 30
  delay: 5
  until: nextcloud_mm_http_ready is succeeded

- name: 🔧 Provision Mattermost OAuth app for Nextcloud and capture creds (idempotent)
  ansible.builtin.command:
    argv:
      - bash
      - -s
    stdin: "{{ lookup('file', 'shell/addons/mattermost/provision_oauth_app.sh') }}"
  environment:
    MM_LOCAL_URL: "{{ nextcloud_mm_local_url }}"
    MM_TOKEN: "{{ nextcloud_mm_token }}"
    MM_APP_NAME: Nextcloud
    NC_BASE_URL: "{{ NEXTCLOUD_URL }}"
    NC_REDIRECT_PATH: "{{ nextcloud_mm_redirect_path }}"
    MM_HOMEPAGE: "{{ NEXTCLOUD_URL }}"
  delegate_to: "{{ NEXTCLOUD_MM_HOST_NODE }}"
  register: nextcloud_mm_provision
  changed_when: false
  retries: 5
  delay: 5
  until: nextcloud_mm_provision is succeeded
  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

- name: 🔎 Parse Mattermost OAuth client credentials
  set_fact:
    nextcloud_mm_client_id: "{{ nextcloud_mm_provision.stdout | regex_search('CLIENT_ID=(.+)', '\\1') | first }}"
    nextcloud_mm_client_secret: "{{ nextcloud_mm_provision.stdout | regex_search('CLIENT_SECRET=(.+)', '\\1') | first }}"
  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

- name: 🔧 Point integration_mattermost at partner instance (admin OAuth instance URL)
  shell: >
    {{ NEXTCLOUD_DOCKER_EXEC_OCC }}
    config:app:set integration_mattermost oauth_instance_url
    --value '{{ nextcloud_mm_base_url }}'
  register: nextcloud_mm_oauth_url_set
  changed_when: "' set to ' in nextcloud_mm_oauth_url_set.stdout"

# nocheck: container-exec-resolver NEXTCLOUD_LOCAL_CID resolved at delegate_to runtime; container_address would return a manager-only subshell
- name: 🔐 Store integration_mattermost OAuth credentials Nextcloud-encrypted (lazy)
  ansible.builtin.shell:
    cmd: >-
      container exec -i -u {{ NEXTCLOUD_DOCKER_USER }}
      -e NC_APP_ID=integration_mattermost
      -e NC_ENC_MODE=sensitive
      -e "NC_ENC_B64={{ {'client_id': nextcloud_mm_client_id, 'client_secret': nextcloud_mm_client_secret} | to_json | b64encode }}"
      {{ NEXTCLOUD_LOCAL_CID | quote }} php
    stdin: "{{ lookup('file', 'php/utils/set_encrypted_appconfig.php') }}"
  register: nextcloud_mm_enc_set
  changed_when: "'OK' in nextcloud_mm_enc_set.stdout"
  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"

- name: 🚫 Revoke the short-lived admin personal access token
  shell: >- # nocheck: container-exec-resolver  NEXTCLOUD_MM_LOCAL_CID resolved at delegate_to runtime; container_address would return a manager-only subshell
    container exec -i {{ NEXTCLOUD_MM_LOCAL_CID | quote }}
    /mattermost/bin/mmctl --local token revoke {{ nextcloud_mm_token_id }}
  args:
    chdir: "{{ nextcloud_mm_exec_chdir | default(omit) }}"
  delegate_to: "{{ NEXTCLOUD_MM_HOST_NODE }}"
  changed_when: true
  failed_when: false