# clickhouse 的安装方式比较简单，只需要分ansible_distribution，
# 不需要区分详细的 ansible_distribution_major_version, 以及 ansible_architecture
# 因此简单复用。如果后续clickhouse有重大版本升级，或者对于os有不同的安装变更，此处再随之改变

- block:
  - name: Import OS Specific tasks
    include_tasks: "{{ item }}"
    with_first_found:
    - files:
      - "{{ ansible_distribution | lower |replace(' ', '_')}}.yml"
      - defaults.yml
      paths:
        - os

  - name: Ensure clickhouse-server installed
    package:
      name: clickhouse-server
      state: present

  - name: Ensure clickhouse-client installed
    package:
      name: clickhouse-client
      state: present

  - name: Ensure group "clickhouse" exists
    ansible.builtin.group:
      name: clickhouse
      state: present

  - name: create clickhouse user and password in os if not present
    user:
      name: clickhouse
      group: clickhouse
      shell: /bin/false
      create_home: false
      state: present

  - name: Mkdir for data path
    ansible.builtin.file:
      path: /opt/clickhouse
      state: directory
      owner: clickhouse
      group: clickhouse

  - name: Change data path
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: 'path>/var/lib/clickhouse/'
      replace: 'path>/opt/clickhouse/'
      backup: yes

  - name: Change default port
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '^    <tcp_port>[^<>]*</tcp_port>'
      replace: '    <tcp_port>{{ ch_port }}</tcp_port>'
      backup: yes

  - name: Change clickhouse password
    replace:
      path: /etc/clickhouse-server/users.xml
      regexp: '^\s+<password>[^<>]*</password>'
      replace: '        <password>{{ ch_password }}</password>'
      backup: yes

  - name: Allow remote hosts connect to clickhouse (config.xml)
    lineinfile:
      path: /etc/clickhouse-server/config.xml
      insertafter: '<!-- <listen_host>::</listen_host> -->'
      line: '    <listen_host>::</listen_host>'
      state: present
      backup: yes

  - name: Enlarge max mem usage (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '^\s+<max_server_memory_usage_to_ram_ratio>0\.\d+</max_server_memory_usage_to_ram_ratio>'
      replace: '    <max_server_memory_usage_to_ram_ratio>2</max_server_memory_usage_to_ram_ratio>'
      backup: yes

  - name: Allow remote hosts connect to clickhouse (users.xml)
    replace:
      path: /etc/clickhouse-server/users.xml
      regexp: '<ip>::/0</ip>\n\s+</networks>'
      replace: '<ip>::/0</ip>\n                <ip>0.0.0.0</ip>\n            </networks>'
      backup: yes

  - name: Allow User can create other users and grant rights to them (users.xml)
    replace:
      path: /etc/clickhouse-server/users.xml
      regexp: '<!-- <access_management>1</access_management> -->'
      replace: '<access_management>1</access_management>'
      backup: yes

  - name: Allow drop large tables (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<!-- <max_table_size_to_drop>0</max_table_size_to_drop> -->'
      replace: '<max_table_size_to_drop>0</max_table_size_to_drop>'

  - name: Allow drop large partitions (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<!-- <max_partition_size_to_drop>0</max_partition_size_to_drop> -->'
      replace: '<max_partition_size_to_drop>0</max_partition_size_to_drop>'

  - name: Set TTL of query_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<query_log>'
      replace: '<query_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of trace_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<trace_log>'
      replace: '<trace_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of query_thread_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<query_thread_log>'
      replace: '<query_thread_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of query_views_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<query_views_log>'
      replace: '<query_views_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of part_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<part_log>'
      replace: '<part_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of metric_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<metric_log>'
      replace: '<metric_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of asynchronous_metric_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<asynchronous_metric_log>'
      replace: '<asynchronous_metric_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

#  - name: Set TTL of opentelemetry_span_log (config.xml)
#    replace:
#      path: /etc/clickhouse-server/config.xml
#      regexp: '<opentelemetry_span_log>'
#      replace: '<opentelemetry_span_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of crash_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<crash_log>'
      replace: '<crash_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: Set TTL of session_log (config.xml)
    replace:
      path: /etc/clickhouse-server/config.xml
      regexp: '<session_log>'
      replace: '<session_log>\n        <ttl>event_date + INTERVAL 14 DAY DELETE</ttl>'

  - name: restart clickhouse-server
    service:
      name: clickhouse-server
      state: restarted
      enabled: yes
  become: yes
  when:
  - offline_data_path is defined
  - offline_data_path | length > 0