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Add (SQLite -> Postgres) migration instructions

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This commit is contained in:
Slavi Pantaleev 2020-12-14 02:24:32 +02:00
parent cb969c6ca2
commit 4617984b9f
1 changed files with 11 additions and 4 deletions
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15
roles/matrix-bridge-appservice-discord/tasks/setup_install.yml
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@ -1,10 +1,13 @@
--- ---
- block: - 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 - name: Check if an SQLite database already exists
stat: stat:
path: "{{ matrix_appservice_discord_data_path }}/{{ matrix_appservice_discord_database_filename_name }}" path: "{{ matrix_appservice_discord_sqlite_db_path }}"
register: matrix_appservice_discord_stat_sqlite_db register: matrix_appservice_discord_sqlite_db_path_stat_result
- name: Fail if an SQLite database already exists when using Postgres - name: Fail if an SQLite database already exists when using Postgres
fail: fail:
@ -12,8 +15,12 @@
matrix_appservice_discord_database_engine has been set to `postgres` (which is our new default now). 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 }}. 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. 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 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.
To migrate to Postgres: TODO - migration instructions here. 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'" when: "matrix_appservice_discord_database_engine == 'postgres'"
- name: Ensure Appservice Discord image is pulled - name: Ensure Appservice Discord image is pulled