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tower-pgsql-promote.yml
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tower-pgsql-promote.yml
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---
- name: Promote secondary HA/DR database to primary
hosts: database
become: true
tasks:
- name: Get the current PostgreSQL version
import_role:
name: samdoran.pgsql-replication
tasks_from: pgsql_version.yml
- name: Check recovery.conf
stat:
path: /var/lib/pgsql/{{ pgsql_version }}/data/recovery.conf
register: recovery_conf
- name: Exit if secondary is already promoted or not in standby mode
fail:
msg: Secondary database server is not in standby mode.
when: recovery_conf.stat.isreg is not defined
ignore_errors: yes
- name: Promote secondary PostgreSQL server to primary
command: /usr/pgsql-{{ pgsql_version }}/bin/pg_ctl promote
become_user: postgres
environment:
PGDATA: /var/lib/pgsql/{{ pgsql_version }}/data
ignore_errors: yes
when: recovery_conf.stat.isreg is defined
- name: ensure replica is not in recovery mode
command: psql -U postgres -t -c "select pg_is_in_recovery();"
register: recovery_mode
changed_when: false
become_user: postgres
- name: check that recovery mode is off
debug:
msg: "Recovery mode is '{{ recovery_mode.stdout.strip() }}'"
failed_when: recovery_mode.stdout.strip() != 'f'