pgsql-migration.yml
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#!/usr/bin/env ansible-playbook
---
#==============================================================#
# File : pgsql-migration.yml
# Desc : pgsql migration plan based on logical replication
# Ctime : 2020-09-07
# Mtime : 2023-01-06
# Path : pgsql-migration.yml
# Docs : https://pigsty.io/docs/pgsql/playbook
# License : Apache-2.0 @ https://pigsty.io/docs/about/license/
# Copyright : 2018-2026 Ruohang Feng / Vonng (rh@vonng.com)
#==============================================================#
- name: PGSQL MIGRATION
become: false
hosts: localhost # run on localhost or infra(admin nodes)
gather_facts: no
ignore_errors: true
roles: [ { role: pg_migration } ]
#--------------------------------------------------------------#
# Usage
#--------------------------------------------------------------#
# This playbook will generate on-the-fly migration plan for
# PostgreSQL Clusters using logical replication with 0 downtime:
#
# 1. Define migration task (e.g. files/migration/pg-meta.yml)
# 2. Generate migration manual & scripts with:
# ./pgsql-migration.yml -e@files/migration/pg-meta.yml
# 3. Following the manual and execute scripts one by one
#
#-----------------------------------------------------------------
# Example Migration Task Definition (files/migration/pg-meta.yml)
#-----------------------------------------------------------------
# context_dir: ~/migration # migration manuals & scripts
# src_cls: pg-meta # src cluster name <REQUIRED>
# src_db: meta # src database name <REQUIRED>
# src_ip: 10.10.10.10 # src cluster primary ip <REQUIRED>
# dst_cls: pg-test # dst cluster name <REQUIRED>
# dst_db: test # dst database name <REQUIRED>
# dst_ip: 10.10.10.11 # dst cluster primary ip <REQUIRED>
# # reference
# pg_dbsu: postgres
# pg_replication_username: replicator
# pg_replication_password: DBUser.Replicator
# pg_admin_username: dbuser_dba
# pg_admin_password: DBUser.DBA
# pg_monitor_username: dbuser_monitor
# pg_monitor_password: DBUser.Monitor
#-----------------------------------------------------------------