down-shard.yml

---
- hosts: vtnode
  vars:
    keyspace: test_keyspace
    shard: 0
  tasks:
    - name: Find services
      find:
        paths: "{{ docker_compose_dir }}"
        patterns: "vttablet-*"
        file_type: directory
      register: services

    - name: Down all vttablet services
      args:
        chdir: "{{ item.path }}"
      command: docker-compose down
      with_items: "{{ services.files }}"

    - name: Delete shard
      delegate_to: "{{ groups['manage'][0] }}"
      run_once: true
      command: "lvtctl DeleteShard -recursive {{ keyspace }}/{{ shard }}"

    - name: Initialize VSchema
      delegate_to: "{{ groups['manage'][0] }}"
      run_once: true
      command: "lvtctl RebuildVSchemaGraph"

    - name: Find data directories
      find:
        paths: "{{ vt_dir }}"
        patterns: "vttablet-*"
        file_type: directory
      register: datas

    - name: Delete data directories
      file:
        path: "{{ item.path }}"
        state: absent
      with_items: "{{ datas.files }}"
      become: yes