stop.yml

---
# 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
  any_errors_fatal: true
  tags:
    - always
  roles:
    - check_config_static

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


- hosts: monitored_servers
  tags:
    - node_exporter
    - blackbox_exporter
  tasks:
    - name: stop node_exporter/blackbox_exporter by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
      with_items:
        - node_exporter
        - blackbox_exporter
      when: process_supervision == 'supervise'

    - name: stop node_exporter/blackbox_exporter by systemd
      systemd: name={{ item }} state=stopped
      become: true
      when: process_supervision == 'systemd'
      with_items:
        - node_exporter-{{ node_exporter_port }}.service
        - blackbox_exporter-{{ blackbox_exporter_port }}.service

    - name: wait for node_exporter down
      wait_for: host={{ ansible_host }} port={{ node_exporter_port }} state=stopped

    - name: wait for blackbox_exporter down
      wait_for: host={{ ansible_host }} port={{ blackbox_exporter_port }} state=stopped


- hosts: alertmanager_servers
  tags:
    - alertmanager
  tasks:
    - name: stop alertmanager by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_alertmanager.sh
      when: process_supervision == 'supervise'

    - name: stop alertmanager by systemd
      systemd: name=alertmanager-{{ alertmanager_port }}.service state=stopped
      become: true
      when: process_supervision == 'systemd'

    - name: wait for alertmanager down
      wait_for: host={{ ansible_host }} port={{ alertmanager_port }} state=stopped


- hosts: monitoring_servers
  tags:
    - pushgateway
    - prometheus
  tasks:
    - name: stop monitoring modules by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
      with_items:
        - pushgateway
        - prometheus
      when: process_supervision == 'supervise'

    - name: stop monitoring modules by systemd
      systemd: name={{ item }} state=stopped
      when: process_supervision == 'systemd'
      become: true
      with_items:
        - pushgateway-{{ pushgateway_port }}.service
        - prometheus-{{ prometheus_port }}.service

    - name: wait for pushgateway down
      wait_for: host={{ ansible_host }} port={{ pushgateway_port }} state=stopped

    - name: wait for prometheus down
      wait_for: host={{ ansible_host }} port={{ prometheus_port }} state=stopped


- hosts: kafka_exporter_servers
  tags:
    - kafka_exporter
  tasks:
    - name: stop kafka_exporter by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_kafka_exporter.sh
      when:
        - enable_binlog|default(false)
        - process_supervision == 'supervise'

    - name: stop kafka_exporter by systemd
      become: true
      systemd: name=kafka_exporter-{{ kafka_exporter_port }}.service state=stopped enabled=no
      when:
        - enable_binlog|default(false)
        - process_supervision == 'systemd'

    - name: wait for kafka_exporter down
      wait_for: |
        host={{ ansible_host }} port={{ kafka_exporter_port }} state=stopped
      when: enable_binlog|default(false)


- 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 for TiDB down
      wait_for: host={{ ansible_host }} port={{ tidb_port }} state=stopped

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

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

    - name: wait for pump down
      wait_for: |
        host={{ ansible_host }} port={{ pump_port }} state=stopped
      when: enable_binlog|default(false)


- hosts: tikv_servers
  tags:
    - tikv
  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 for TiKV down (via Port)
      wait_for: host={{ ansible_host }} port={{ tikv_port }} state=stopped

    - name: wait for TiKV down (via PID)
      wait_for_pid: pid_file={{ deploy_dir }}/status/tikv.pid timeout=300 state=absent

    - command: cat {{ deploy_dir }}/status/tikv.pid
      register: old_tikv_pid
      ignore_errors: yes
      changed_when: false

    - name: display old tikv pid
      debug:
        msg: "tikv binary or docker pid: {{ old_tikv_pid.stdout }}"


- hosts: pd_servers
  tags:
    - pd
  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.service state=stopped
      become: true
      when: process_supervision == 'systemd'

    - name: wait for PD down
      wait_for: host={{ ansible_host }} port={{ pd_client_port }} state=stopped


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

    - name: stop grafana by systemd
      systemd: name=grafana-{{ grafana_port }}.service state=stopped
      become: true
      when: process_supervision == 'systemd'

    - name: wait for grafana down
      wait_for: host={{ ansible_host }} port={{ grafana_port }} state=stopped

    - name: stop grafana_collector by supervise
      shell: cd {{ deploy_dir }}/scripts && ./stop_{{ item }}.sh
      when: process_supervision == 'supervise'
      with_items:
        - grafana_collector

    - name: stop grafana_collector by systemd
      systemd: name=grafana_collector-{{ grafana_collector_port }}.service state=stopped
      become: true
      when: process_supervision == 'systemd'

    - name: wait for grafana_collector down
      wait_for: host={{ ansible_host }} port={{ grafana_collector_port }} state=stopped