node-rm.yml

#!/usr/bin/env ansible-playbook
---
#==============================================================#
# File      :   node-rm.yml
# Desc      :   remove node from pigsty
# Ctime     :   2022-02-22
# Mtime     :   2023-02-20
# Path      :   node-rm.yml
# Author    :   Ruohang Feng (rh@vonng.com)
# License   :   AGPLv3
#==============================================================#
- name: NODE REMOVE
  become: yes
  hosts: all
  gather_facts: no
  ignore_errors: yes
  roles: [ { role: node_id }, { role: node_remove } ]


#--------------------------------------------------------------#
# Usage
#--------------------------------------------------------------#
#
#  Remove node cluster `pg-test`
#     node-rm.yml -l pg-test
#
#  Remove node instance `10.10.10.11`
#     node-rm.yml -l 10.10.10.11
#
#--------------------------------------------------------------#
# Utils
#--------------------------------------------------------------#
#
#  bin/node-rm pg-meta               # remove nodes of group `pg-meta`
#  bin/node-rm pg-meta pg-test       # remove multiple node groups
#  bin/node-rm 10.10.10.10           # remove node with ip `10.10.10.10`
#  bin/node-rm 10.10.10.1*           # remove node with pattern `10.10.10.1*`
#  bin/node-rm 1.2.3.4 5.6.7.8       # remove multiple nodes
#
#--------------------------------------------------------------#
# Tasks
#--------------------------------------------------------------#
# register       : remove register from prometheus & nginx
#   - prometheus : remove registered prometheus monitor target
#   - nginx      : remove nginx proxy record for haproxy admin
# vip            : remove node keepalived if enabled
# haproxy        : remove haproxy load balancer
# node_exporter  : remove monitoring exporter
# vip_exporter   : remove keepalived_exporter if enabled
# promtail       : remove loki log agent
# profile        : remove /etc/profile.d/node.sh
#--------------------------------------------------------------#
...