From ac37091d01c4b38f59c1a57c7b83305bb335ae6d Mon Sep 17 00:00:00 2001 From: Slavi Pantaleev Date: Mon, 14 Dec 2020 16:03:32 +0200 Subject: [PATCH] Enable automatic (SQLite -> Postgres) migration for matrix-reminder-bot --- .../tasks/setup_install.yml | 46 ++++++++++++------- 1 file changed, 29 insertions(+), 17 deletions(-) diff --git a/roles/matrix-bot-matrix-reminder-bot/tasks/setup_install.yml b/roles/matrix-bot-matrix-reminder-bot/tasks/setup_install.yml index 4fbafa3a..fea1e00d 100644 --- a/roles/matrix-bot-matrix-reminder-bot/tasks/setup_install.yml +++ b/roles/matrix-bot-matrix-reminder-bot/tasks/setup_install.yml @@ -1,23 +1,29 @@ --- -- block: - - name: Check if an SQLite database already exists - stat: - path: "{{ matrix_bot_matrix_reminder_bot_sqlite_database_path_local }}" - register: matrix_bot_matrix_reminder_bot_sqlite_database_path_local_stat_result +- set_fact: + matrix_bot_matrix_reminder_bot_requires_restart: false - - name: Fail if an SQLite database already exists when using Postgres - fail: - msg: >- - matrix_bot_matrix_reminder_bot_database_engine has been set to `postgres` (which is our new default now). - However, we've discovered an existing SQLite database in {{ matrix_bot_matrix_reminder_bot_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_bot_matrix_reminder_bot_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_bot_matrix_reminder_bot_sqlite_database_path_local }} postgres_connection_string_variable_name=matrix_bot_matrix_reminder_bot_database_connection_string'`) - 3. Re-run the playbook (`ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start`) - when: "matrix_bot_matrix_reminder_bot_sqlite_database_path_local_stat_result.stat.exists" +- block: + - name: Check if an SQLite database already exists + stat: + path: "{{ matrix_bot_matrix_reminder_bot_sqlite_database_path_local }}" + register: matrix_bot_matrix_reminder_bot_sqlite_database_path_local_stat_result + + - block: + - set_fact: + matrix_postgres_db_migration_request: + src: "{{ matrix_bot_matrix_reminder_bot_sqlite_database_path_local }}" + dst: "{{ matrix_bot_matrix_reminder_bot_database_connection_string }}" + caller: "{{ role_path|basename }}" + engine_variable_name: 'matrix_bot_matrix_reminder_bot_database_engine' + engine_old: 'sqlite' + systemd_services_to_stop: ['matrix-bot-matrix-reminder-bot.service'] + + - import_tasks: "roles/matrix-postgres/tasks/util/migrate_db_to_postgres.yml" + + - set_fact: + matrix_bot_matrix_reminder_bot_requires_restart: true + when: "matrix_bot_matrix_reminder_bot_sqlite_database_path_local_stat_result.stat.exists|bool" when: "matrix_bot_matrix_reminder_bot_database_engine == 'postgres'" - name: Ensure matrix-reminder-bot paths exist @@ -59,3 +65,9 @@ service: daemon_reload: yes when: "matrix_bot_matrix_reminder_bot_systemd_service_result.changed|bool" + +- name: Ensure matrix-bot-matrix-reminder-bot.service restarted, if necessary + service: + name: "matrix-bot-matrix-reminder-bot.service" + state: restarted + when: "matrix_bot_matrix_reminder_bot_requires_restart|bool"