Enable automatic (SQLite -> Postgres) migration for matrix-appservice-discord

This commit is contained in:
Slavi Pantaleev 2020-12-14 16:24:56 +02:00
parent 13f84e2ad5
commit cba973d6b5

View file

@ -1,23 +1,29 @@
---
- set_fact:
matrix_appservice_discord_requires_restart: false
- block:
- name: Check if an SQLite database already exists
stat:
path: "{{ matrix_appservice_discord_sqlite_database_path_local }}"
register: matrix_appservice_discord_sqlite_database_path_local_stat_result
- name: Fail if an SQLite database already exists when using Postgres
fail:
msg: >-
matrix_appservice_discord_database_engine has been set to `postgres` (which is our new default now).
However, we've discovered an existing SQLite database in {{ matrix_appservice_discord_sqlite_database_path_local }}.
It appears that you've been using this bridge with the SQLite engine until now.
To continue using SQLite, opt into it explicitly: add `matrix_appservice_discord_database_engine: sqlite` to your vars.yml file and re-run this same command.
Alternatively, to migrate your existing SQLite database to Postgres:
1. Stop all services (`ansible-playbook -i inventory/hosts setup.yml --tags=stop`)
2. Import the SQLite database into Postgres (`ansible-playbook -v -i inventory/hosts setup.yml --tags=import-generic-sqlite-db --extra-vars='sqlite_database_path={{ matrix_appservice_discord_sqlite_database_path_local }} postgres_connection_string_variable_name=matrix_appservice_discord_database_connString'`)
3. Re-run the playbook (`ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start`)
when: "matrix_appservice_discord_sqlite_database_path_local_stat_result.stat.exists"
- block:
- set_fact:
matrix_postgres_db_migration_request:
src: "{{ matrix_appservice_discord_sqlite_database_path_local }}"
dst: "{{ matrix_appservice_discord_database_connString }}"
caller: "{{ role_path|basename }}"
engine_variable_name: 'matrix_appservice_discord_database_engine'
engine_old: 'sqlite'
systemd_services_to_stop: ['matrix-appservice-discord.service']
- import_tasks: "roles/matrix-postgres/tasks/util/migrate_db_to_postgres.yml"
- set_fact:
matrix_appservice_discord_requires_restart: true
when: "matrix_appservice_discord_sqlite_database_path_local_stat_result.stat.exists|bool"
when: "matrix_appservice_discord_database_engine == 'postgres'"
- name: Ensure Appservice Discord image is pulled
@ -100,3 +106,9 @@
service:
daemon_reload: yes
when: "matrix_appservice_discord_systemd_service_result.changed"
- name: Ensure matrix-appservice-discord.service restarted, if necessary
service:
name: "matrix-appservice-discord.service"
state: restarted
when: "matrix_appservice_discord_requires_restart|bool"