创建与修改服务

# 在 pg-test 集群创建所有服务
./pgsql-service.yml -l pg-test 

#!/usr/bin/env ansible-playbook
---
#==============================================================#
# File      :   pgsql-service.yml
# Ctime     :   2021-03-12
# Mtime     :   2021-03-12
# Desc      :   reload service for postgres clusters
# Path      :   pgsql-service.yml
# Copyright (C) 2018-2021 Ruohang Feng
#==============================================================#

# PLEASE USE COMPLETE INVENTORY (at least contains a complete cluster definition!)

#------------------------------------------------------------------------------
# haproxy reload
#   will not reload if haproxy_reload=false
#------------------------------------------------------------------------------
- name: Reload haproxy
  become: yes
  hosts: all
  gather_facts: no
  tags: haproxy
  tasks:
    - include_tasks: roles/service/tasks/haproxy_config.yml
      when: haproxy_enabled
    - include_tasks: roles/service/tasks/haproxy_reload.yml
      when: haproxy_enabled and haproxy_reload|bool


#------------------------------------------------------------------------------
# l2-vip reload
#   will only config without reload if vip_reload=false
#------------------------------------------------------------------------------
- name: Reload l2 VIP
  become: yes
  hosts: all
  gather_facts: no
  tags: vip_l2
  tasks:
    - include_tasks: roles/service/tasks/vip_l2_config.yml
      when: vip_mode == 'l2'
    - include_tasks: roles/service/tasks/vip_l2_reload.yml
      when: vip_mode == 'l2' and vip_reload|bool


#------------------------------------------------------------------------------
# l4-vip reload
#   will not reload if vip_reload=false
#------------------------------------------------------------------------------
- name: Reload l4 VIP
  become: yes
  hosts: all
  gather_facts: no
  tags: vip_l4
  tasks:
    - include_tasks: roles/service/tasks/vip_l4_config.yml
    - include_tasks: roles/service/tasks/vip_l4_reload.yml

...

./pgsql-service.yml -l pg-test 

$ ./pgsql-service.yml -l pg-test
[WARNING]: Invalid characters were found in group names but not replaced, use -vvvv to see details

PLAY [Reload haproxy] *************************************************************************************************************************************************************

TASK [include_tasks] **************************************************************************************************************************************************************
included: /Volumes/Data/pigsty/roles/service/tasks/haproxy_config.yml for 10.10.10.11, 10.10.10.12, 10.10.10.13

TASK [Fetch postgres cluster memberships] *****************************************************************************************************************************************
ok: [10.10.10.11]
ok: [10.10.10.12]
ok: [10.10.10.13]

TASK [Templating /etc/haproxy/haproxy.cfg] ****************************************************************************************************************************************
ok: [10.10.10.11]
ok: [10.10.10.12]
ok: [10.10.10.13]

TASK [include_tasks] **************************************************************************************************************************************************************
included: /Volumes/Data/pigsty/roles/service/tasks/haproxy_reload.yml for 10.10.10.11, 10.10.10.12, 10.10.10.13

TASK [Reload haproxy load balancer service] ***************************************************************************************************************************************
changed: [10.10.10.13]
changed: [10.10.10.12]
changed: [10.10.10.11]

PLAY [Reload l2 VIP] **************************************************************************************************************************************************************

TASK [include_tasks] **************************************************************************************************************************************************************
included: /Volumes/Data/pigsty/roles/service/tasks/vip_l2_config.yml for 10.10.10.11, 10.10.10.12, 10.10.10.13

TASK [Templating /etc/default/vip-manager.yml] ************************************************************************************************************************************
ok: [10.10.10.11]
ok: [10.10.10.13]
ok: [10.10.10.12]

TASK [include_tasks] **************************************************************************************************************************************************************
included: /Volumes/Data/pigsty/roles/service/tasks/vip_l2_reload.yml for 10.10.10.11, 10.10.10.12, 10.10.10.13

TASK [Launch vip-manager] *********************************************************************************************************************************************************
changed: [10.10.10.11]
changed: [10.10.10.13]
changed: [10.10.10.12]

PLAY [Reload l4 VIP] **************************************************************************************************************************************************************

TASK [include_tasks] **************************************************************************************************************************************************************
skipping: [10.10.10.11]
skipping: [10.10.10.12]
skipping: [10.10.10.13]

TASK [include_tasks] **************************************************************************************************************************************************************
skipping: [10.10.10.11]
skipping: [10.10.10.12]
skipping: [10.10.10.13]

PLAY RECAP ************************************************************************************************************************************************************************
10.10.10.11                : ok=9    changed=2    unreachable=0    failed=0    skipped=2    rescued=0    ignored=0
10.10.10.12                : ok=9    changed=2    unreachable=0    failed=0    skipped=2    rescued=0    ignored=0
10.10.10.13                : ok=9    changed=2    unreachable=0    failed=0    skipped=2    rescued=0    ignored=0

playbook: ./pgsql-service.yml

  play #1 (all): Reload haproxy	TAGS: [haproxy]
    tasks:
      include_tasks	TAGS: [haproxy]
      include_tasks	TAGS: [haproxy]

  play #2 (all): Reload l2 VIP	TAGS: [vip_l2]
    tasks:
      include_tasks	TAGS: [vip_l2]
      include_tasks	TAGS: [vip_l2]

  play #3 (all): Reload l4 VIP	TAGS: [vip_l4]
    tasks:
      include_tasks	TAGS: [vip_l4]
      include_tasks	TAGS: [vip_l4]