---
# Copyright 2016 PingCAP, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# See the License for the specific language governing permissions and
# limitations under the License.

# The playbook of TiDB

- name: check config locally
  hosts: localhost
  tags:
    - always
  roles:
    - check_config_static

- name: gather all facts, and check dest
  hosts: all
  tags:
    - always
  roles:
    - check_config_dynamic


- name: TiDB cluster
  hosts: tidb_servers
  tags:
    - tidb
  tasks:
    - name: stop TiDB by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
      when: process_supervision == 'supervise'
      with_items:
        - tidb

    - name: stop TiDB by systemd
      systemd: name=tidb-{{ tidb_port }}.service state=stopped
      become: true
      when: process_supervision == 'systemd'

    - name: wait until the TiDB port is down
      wait_for:
        host: "{{ ansible_host }}"
        port: "{{ tidb_port }}"
        state: stopped
        msg: "the TiDB port {{ tidb_port }} is not down"


- name: pump cluster
  hosts: pump_servers
  tags:
    - pump
  tasks:
    - name: stop pump by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
      with_items:
        - pump
      when:
        - enable_binlog|default(false)
        - process_supervision == 'supervise'

    - name: stop pump by systemd
      systemd: name=pump-{{ pump_port }}.service state=stopped
      become: true
      when:
        - enable_binlog|default(false)
        - process_supervision == 'systemd'

    - name: wait until the pump port is down
      wait_for:
        host: "{{ ansible_host }}"
        port: "{{ pump_port }}"
        state: stopped
        msg: "the pump port {{ pump_port }} is not down"
      when: enable_binlog|default(false)

    - name: clean pump data
      file: path={{ pump_data_dir }} state=absent
      when: enable_binlog|default(false)


- name: TiKV cluster
  hosts: tikv_servers
  tasks:
  - name: stop TiKV by supervise
    shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
    when: process_supervision == 'supervise'
    with_items:
    - tikv

  - name: stop TiKV by systemd
    systemd: name=tikv-{{ tikv_port }}.service state=stopped
    become: true
    when: process_supervision == 'systemd'

  - name: wait until the TiKV port is down
    wait_for:
      host: "{{ ansible_host }}"
      port: "{{ tikv_port }}"
      state: stopped
      msg: "the TiKV port {{ tikv_port }} is not down"

  - name: clean TiKV data
    file: path={{ tikv_data_dir }} state=absent

  - name: create new TiKV data dir
    file: path={{ tikv_data_dir }} state=directory mode=0755

  - name: clean TiKV wal data
    file: path={{ wal_dir }} state=absent
    when: wal_dir is defined

  - name: create new TiKV wal data dir
    file: path={{ wal_dir }} state=directory mode=0755
    when: wal_dir is defined

  - name: clean TiKV raftdb data
    file: path={{ raftdb_path }} state=absent
    when: raftdb_path is defined

  - name: create new TiKV raftdb data dir
    file: path={{ raftdb_path }} state=directory mode=0755
    when: raftdb_path is defined


- name: PD cluster
  hosts: pd_servers
  tasks:
  - name: stop PD by supervise
    shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
    when: process_supervision == 'supervise'
    with_items:
    - pd

  - name: stop PD by systemd
    systemd: name=pd-{{ pd_client_port }}.service state=stopped
    become: true
    when: process_supervision == 'systemd'

  - name: wait until the PD port is down
    wait_for:
      host: "{{ ansible_host }}"
      port: "{{ pd_client_port }}"
      state: stopped
      msg: "the PD port {{ pd_client_port }} is not down"

  - name: clean PD data
    file: path={{ pd_data_dir }} state=absent

  - name: create new PD data dir
    file: path={{ pd_data_dir }} state=directory mode=0755