Enable automatic (SQLite -> Postgres) migration for matrix-mautrix-telegram

This commit is contained in:
Slavi Pantaleev 2020-12-14 16:19:54 +02:00
parent 3ba8520266
commit 86a8091768

View file

@ -8,24 +8,30 @@
The matrix-bridge-mautrix-telegram role needs to execute before the matrix-synapse role. The matrix-bridge-mautrix-telegram role needs to execute before the matrix-synapse role.
when: "matrix_synapse_role_executed|default(False)" when: "matrix_synapse_role_executed|default(False)"
- set_fact:
matrix_mautrix_telegram_requires_restart: false
- block: - block:
- name: Check if an SQLite database already exists - name: Check if an SQLite database already exists
stat: stat:
path: "{{ matrix_mautrix_telegram_sqlite_database_path_local }}" path: "{{ matrix_mautrix_telegram_sqlite_database_path_local }}"
register: matrix_mautrix_telegram_sqlite_database_path_local_stat_result register: matrix_mautrix_telegram_sqlite_database_path_local_stat_result
- name: Fail if an SQLite database already exists when using Postgres - block:
fail: - set_fact:
msg: >- matrix_postgres_db_migration_request:
matrix_mautrix_telegram_database_engine has been set to `postgres` (which is our new default now). src: "{{ matrix_mautrix_telegram_sqlite_database_path_local }}"
However, we've discovered an existing SQLite database in {{ matrix_mautrix_telegram_sqlite_database_path_local }}. dst: "{{ matrix_mautrix_telegram_database_connection_string }}"
It appears that you've been using this bridge with the SQLite engine until now. caller: "{{ role_path|basename }}"
To continue using SQLite, opt into it explicitly: add `matrix_mautrix_telegram_database_engine: sqlite` to your vars.yml file and re-run this same command. engine_variable_name: 'matrix_mautrix_telegram_database_engine'
Alternatively, to migrate your existing SQLite database to Postgres: engine_old: 'sqlite'
1. Stop all services (`ansible-playbook -i inventory/hosts setup.yml --tags=stop`) systemd_services_to_stop: ['matrix-mautrix-telegram.service']
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_mautrix_telegram_sqlite_database_path_local }} postgres_connection_string_variable_name=matrix_mautrix_telegram_database_connection_string'`)
3. Re-run the playbook (`ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start`) - import_tasks: "roles/matrix-postgres/tasks/util/migrate_db_to_postgres.yml"
when: "matrix_mautrix_telegram_sqlite_database_path_local_stat_result.stat.exists"
- set_fact:
matrix_mautrix_telegram_requires_restart: true
when: "matrix_mautrix_telegram_sqlite_database_path_local_stat_result.stat.exists|bool"
when: "matrix_mautrix_telegram_database_engine == 'postgres'" when: "matrix_mautrix_telegram_database_engine == 'postgres'"
- name: Ensure Mautrix Telegram image is pulled - name: Ensure Mautrix Telegram image is pulled
@ -91,3 +97,9 @@
service: service:
daemon_reload: yes daemon_reload: yes
when: "matrix_mautrix_telegram_systemd_service_result.changed" when: "matrix_mautrix_telegram_systemd_service_result.changed"
- name: Ensure matrix-mautrix-telegram.service restarted, if necessary
service:
name: "matrix-mautrix-telegram.service"
state: restarted
when: "matrix_mautrix_telegram_requires_restart|bool"