From 4617984b9f998e032f426ec629e408a1f0c2ecf8 Mon Sep 17 00:00:00 2001 From: Slavi Pantaleev Date: Mon, 14 Dec 2020 02:24:32 +0200 Subject: [PATCH] Add (SQLite -> Postgres) migration instructions --- .../tasks/setup_install.yml | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml b/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml index cea8fda8..57e59df0 100644 --- a/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml +++ b/roles/matrix-bridge-appservice-discord/tasks/setup_install.yml @@ -1,10 +1,13 @@ --- - block: + - set_fact: + matrix_appservice_discord_sqlite_db_path: "{{ matrix_appservice_discord_data_path }}/{{ matrix_appservice_discord_database_filename_name }}" + - name: Check if an SQLite database already exists stat: - path: "{{ matrix_appservice_discord_data_path }}/{{ matrix_appservice_discord_database_filename_name }}" - register: matrix_appservice_discord_stat_sqlite_db + path: "{{ matrix_appservice_discord_sqlite_db_path }}" + register: matrix_appservice_discord_sqlite_db_path_stat_result - name: Fail if an SQLite database already exists when using Postgres fail: @@ -12,8 +15,12 @@ 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_data_path }}/{{ matrix_appservice_discord_database_filename_name }}. 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. - To migrate to Postgres: TODO - migration instructions here. + 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_db_path }} postgres_db_connection_string={{ 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_db_path_stat_result.stat.exists" when: "matrix_appservice_discord_database_engine == 'postgres'" - name: Ensure Appservice Discord image is pulled