From cba973d6b555b9288e8791eecb601c4e80aba4f6 Mon Sep 17 00:00:00 2001 From: Slavi Pantaleev Date: Mon, 14 Dec 2020 16:24:56 +0200 Subject: [PATCH] Enable automatic (SQLite -> Postgres) migration for matrix-appservice-discord --- .../tasks/setup_install.yml | 46 ++++++++++++------- 1 file changed, 29 insertions(+), 17 deletions(-) diff --git a/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml b/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml index a9d8da4c..8bf50e28 100644 --- a/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml +++ b/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml @@ -1,23 +1,29 @@ --- -- 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 +- set_fact: + matrix_appservice_discord_requires_restart: false - - 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: + - 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 + + - 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"