- name: Deploy xray-exporter service
  hosts: "{{ xray_exporter_hosts | default('xray_exporter') }}"
  gather_facts: true
  become: true
  vars:
    xray_exporter_source_dir: >-
      {{ lookup('ansible.builtin.env', 'XRAY_EXPORTER_SOURCE_DIR')
         | default(playbook_dir ~ '/../xray-exporter', true) }}
    xray_exporter_node_id: >-
      {{ lookup('ansible.builtin.env', 'EXPORTER_NODE_ID')
         | default(xray_exporter_node_id_custom | default(inventory_hostname, true), true) }}
    xray_exporter_env_name: >-
      {{ lookup('ansible.builtin.env', 'EXPORTER_ENV')
         | default('prod', true) }}
    xray_exporter_stats_url: >-
      {{ lookup('ansible.builtin.env', 'XRAY_STATS_URL')
         | default('http://127.0.0.1:49227/debug/vars', true) }}
    xray_exporter_stats_token: >-
      {{ lookup('ansible.builtin.env', 'XRAY_STATS_TOKEN')
         | default('', true) }}
    xray_exporter_accounts_base_url: >-
      {{ lookup('ansible.builtin.env', 'ACCOUNTS_BASE_URL')
         | default('https://accounts.svc.plus', true) }}
    xray_exporter_internal_service_token: >-
      {{ lookup('ansible.builtin.vars', 'INTERNAL_SERVICE_TOKEN', default=lookup('ansible.builtin.env', 'INTERNAL_SERVICE_TOKEN') | default('', true)) }}
    xray_exporter_snapshot_store_path: >-
      {{ lookup('ansible.builtin.env', 'SNAPSHOT_STORE_PATH')
         | default('/var/lib/xray-exporter/snapshots.db', true) }}
    xray_exporter_snapshot_retention: >-
      {{ lookup('ansible.builtin.env', 'SNAPSHOT_RETENTION')
         | default('72h', true) }}
    xray_exporter_listen_addr: >-
      {{ lookup('ansible.builtin.env', 'XRAY_EXPORTER_LISTEN_ADDR')
         | default('127.0.0.1:8080', true) }}
    xray_exporter_scrape_interval: >-
      {{ lookup('ansible.builtin.env', 'SCRAPE_INTERVAL')
         | default('1m', true) }}
  pre_tasks:
    - name: Validate INTERNAL_SERVICE_TOKEN is present
      ansible.builtin.assert:
        that:
          - xray_exporter_internal_service_token | length > 0
        fail_msg: "INTERNAL_SERVICE_TOKEN must be exported before running this playbook."
        success_msg: "INTERNAL_SERVICE_TOKEN found"
  roles:
    - roles/vhosts/xray-exporter