- block: 
    - name: Stopping and removing container
      docker_container:
        name: '{{ item }}'
        state: absent
      with_items:
        - ['HMaster']
        - ['HRegionServer']

    - name: Removing old {{ image_name }} image
      docker_image:
        name: '{{ image_name }}'
        tag: '{{ image_tag }}'
        state: absent

    - name: Ansible delete old {{ deploy_dir }}/{{ container_name }}
      file:
        path: '{{ deploy_dir }}/{{ container_name }}'
        state: absent

    - name: Checking ZooKeeper has HBase nodes
      shell: "docker exec -it zookeeper zkCli.sh ls / | grep hbase | wc -l"
      run_once: true
      delegate_to: "{{ groups.zookeeper[0] }}"
      register: has_zknode

    - name: Delete HBase nodes in ZooKeeper
      shell: "docker exec -it zookeeper zkCli.sh rmr /hbase"
      run_once: true
      delegate_to: "{{ groups.zookeeper[0] }}"
      when: has_zknode.stdout >= '1'