galaxy-deployment-ansible-deploy-hub/Apache Druid/26.0.0/druid/role/tasks/deploy.yml

- block:
    - name: To terminate execution
      fail:
        msg: "Druid Cluster mode at least 3 nodes,please checking configurations/hosts -> druid"
      when: node_nums < (min_cluster_num)

    - 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: Checking Hadoop DataNode status
      shell: source /etc/profile && hadoop dfsadmin -report | grep "Live datanodes" | grep -E -o "[0-9]"
      async: 10
      register: datanode_out
      run_once: true
      delegate_to: "{{ groups.hdfs[0] }}"
    
    - name: Checking Hadoop NameNode status
      shell: source /etc/profile && hadoop dfsadmin -report |grep 50010  | wc -l
      async: 10
      register: namenode_out
      run_once: true
      delegate_to: "{{ groups.hdfs[0] }}"
    
    - name: To terminate execution
      fail:
        msg: "If the dependency test fails, check whether the Hadoop cluster is normal"
      when: datanode_out.stdout <= '1' and namenode_out.stdout <= '1'


- name: Creating directory
  file:
    state: directory
    path: '{{ deploy_dir }}/{{ container_name }}/{{ item.dir }}'
  with_items:
    - { dir: 'var' }
    - { dir: 'log' }  
    - { dir: 'monitor' }  

- name: Copying config
  unarchive:
    src: 'files/conf.zip'
    dest: '{{ deploy_dir }}/{{ container_name }}/'

- name: Copying image to {{ deploy_dir }}/{{ container_name }}/
  copy:
    src: '{{ role_path }}/../../../software-packages/{{ image_name }}-{{ image_tag }}.tar'
    dest: '{{ deploy_dir }}/{{ container_name }}/'
    force: true
  notify:
    - Loading Image    
    
- name: copying druid config files
  template: 
    src: '{{ item.src }}'
    dest: '{{ deploy_dir }}/{{ container_name }}/conf/druid/cluster/{{ item.dest }}'
    backup: false
  with_items:
    - { src: 'common.runtime.properties.j2', dest: '_common/common.runtime.properties' }
    - { src: 'broker_runtime.j2', dest: 'query/broker/runtime.properties' }
    - { src: 'broker_jvm.j2', dest: 'query/broker/jvm.config' }
    - { src: 'historical_runtime.j2', dest: 'data/historical/runtime.properties' }
    - { src: 'historical_jvm.j2', dest: 'data/historical/jvm.config' }
    - { src: 'middleManager_jvm.j2', dest: 'data/middleManager/jvm.config' }
    - { src: 'middleManager_runtime.properties.j2', dest: 'data/middleManager/runtime.properties' }
    - { src: 'coordinator_jvm.j2', dest: 'master/coordinator-overlord/jvm.config' }    
    - { src: 'router_runtime.properties.j2', dest: 'query/router/runtime.properties' }
    
- name: Fetching Hadoop config files to /tmp
  ansible.builtin.fetch:
    src: "{{ deploy_dir }}/hadoop-2.7.1/etc/hadoop/{{ item.filename }}"
    dest: "/tmp/"
    flat: yes
  loop: "{{ hadoop_config_files }}"
  run_once: true
  delegate_to: "{{ groups.hdfs[0] }}"

- name: Copying Hadoop config files to other nodes
  ansible.builtin.copy:
    src: "/tmp/{{ item.filename }}"
    dest: "{{ deploy_dir }}/{{ container_name }}/conf/druid/cluster/_common/"
  loop: "{{ hadoop_config_files }}"
 
- name: Create a new database with name {{ druid_database }}
  shell: mysql -uroot -p{{ mariadb_default_pin }} -P3306 -h{{ groups.mariadb[0] }} -e "create database {{ druid_database }} default character set utf8mb4 collate utf8mb4_general_ci;"
  run_once: true
  delegate_to: "{{ groups.mariadb[0] }}"
  
- block:
    - name: Setting startup_mode variable
      set_fact: startup_mode="cluster-all-server"
    
    - name: Copying Druid docker-compose
      template:
        src: 'docker-compose.yml.j2'
        dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml'
        mode: 0644
      notify:
        - Loading Image
        - Start Container
  when: node_nums <= (min_cluster_num)

- block:
    - name: Setting startup_mode variable
      set_fact: startup_mode="cluster-query-server"
    
    - name: Copying Druid docker-compose
      template:
        src: 'docker-compose.yml.j2'
        dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml'
        mode: 0644
      notify:
        - Loading Image
        - Start Container
  when: node_nums > (min_cluster_num) and inventory_hostname in groups['druid'][:2]
  
- block:
    - name: Setting startup_mode variable
      set_fact: startup_mode="cluster-data-server"
    
    - name: Copying Druid docker-compose
      template:
        src: 'docker-compose.yml.j2'
        dest: '{{ deploy_dir }}/{{ container_name }}/docker-compose.yml'
        mode: 0644
      notify:
        - Loading Image
        - Start Container
  when: node_nums > (min_cluster_num) and inventory_hostname not in groups['druid'][:2]  

- name: Copying image to {{ deploy_dir }}/{{ container_name }}/monitor
  copy:
    src: '{{ role_path }}/../../../software-packages/druid_exporter-1.0.0.tar'
    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/'
    force: true
  notify:
    - Loading Exporter Image

- name: Config exporter config files
  template:
    src: 'docker-compose_exporter.yml.j2'
    dest: '{{ deploy_dir }}/{{ container_name }}/monitor/docker-compose.yml'
    mode: 0644
  notify:
    - Start Exporter Container

- meta: flush_handlers