- block:
    - name: Check the Zookeeper status
      shell: netstat -anlp | egrep "2181" | grep LISTEN | wc -l
      register: port_out
      delegate_to: "{{ groups.zookeeper[0] }}"
    
    - name: To terminate execution
      fail:
       msg: "Port 2181 of the zookeeper node is not monitored. The status may be abnormal"
      run_once: true
      delegate_to: 127.0.0.1
      when: port_out.stdout != '1'

- name: Getting readonly key sha256
  shell: echo -n "{{ clickhouse_query_pin }}"|sha256sum | tr -d '-' | sed -e 's/^[ ]*//g' | sed -e 's/[ ]*$//g'
  register: readonly_key_out

- name: Setting readonly_key_sha variable
  set_fact: readonly_key_sha="{{readonly_key_out.stdout}}"

- name: Getting root key sha256
  shell: echo -n "{{ clickhouse_default_pin }}"|sha256sum| tr -d '-' | sed -e 's/^[ ]*//g' | sed -e 's/[ ]*$//g'
  register: root_key_out

- name: Setting root_key_sha variable
  set_fact: root_key_sha="{{root_key_out.stdout}}"

- name: Modify clickhouse process limits
  shell: if [ `cat /etc/security/limits.d/20-nproc.conf | grep clickhouse | wc -l` -eq "0" ];then echo "clickhouse       soft    nproc     65535" >> /etc/security/limits.d/20-nproc.conf ;fi
  
- name: Creating ClickHouse install path
  file:
    state: directory
    path: '{{ deploy_dir }}/{{ container_name }}/{{ item.path }}'
  with_items:
    - { path: 'clickhouse-server' }  
    - { path: 'logs' }
    - { path: 'monitor' }
    
- name: Copying image to {{ deploy_dir }}/{{ container_name }}/
  copy:
    src: 'files/{{ image_name }}-{{ image_tag }}.tar'
    dest: '{{ deploy_dir }}/{{ container_name }}/'
    force: true
  notify:
    - Loading Image

- name: Copying ClickHouse configuration files
  template:
    src: '{{ item.src }}'
    dest: '{{ item.dest }}'
    force: true
  with_items:
    - { src: 'standalone/config.xml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/clickhouse-server/config.xml' }
    - { src: 'users.xml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/clickhouse-server/users.xml' }
    - { src: 'standalone/metrika_standalone.xml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/clickhouse-server/metrika.xml' }
    - { src: 'standalone/docker-compose.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml' }
    - { src: 'docker-compose_exporter.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/monitor/docker-compose.yml' }
  notify:
    - Start Container

- name: Copying clickhouse_exporter-2.0.tar
  copy:
    src: 'files/clickhouse_exporter-2.0.tar'
    dest: '{{ deploy_dir }}/clickhouse/monitor/'
    force: true
  notify:
    - Loading Exporter Image

- name: Copying ClickHouse monitor files
  template:
    src: '{{ item.src }}'
    dest: '{{ item.dest }}'
    mode: '{{ item.mode }}'
    force: true 
  with_items:
    - { src: 'standalone/ck_monitor.sh.j2', dest: '{{ deploy_dir }}/clickhouse/monitor/ck_monitor.sh', mode: '0755' }    
    - { src: 'docker-compose_exporter.yml.j2', dest: '{{ deploy_dir }}/{{ container_name }}/monitor/docker-compose.yml', mode: '0644' }    
  notify:
    - Start Exporter Container
    
- name: Adding a cron -> Check Clickhouse up to node_exporter
  cron:
    name: 'Check Clickhouse up to node_exporter'
    minute: "*/5"
    job: '{{ deploy_dir }}/clickhouse/monitor/ck_monitor.sh'
    user: root

- meta: flush_handlers