Add (SQLite -> Postgres) migration instructions
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@ -1,10 +1,13 @@
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---
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- block:
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- set_fact:
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matrix_appservice_discord_sqlite_db_path: "{{ matrix_appservice_discord_data_path }}/{{ matrix_appservice_discord_database_filename_name }}"
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- name: Check if an SQLite database already exists
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stat:
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path: "{{ matrix_appservice_discord_data_path }}/{{ matrix_appservice_discord_database_filename_name }}"
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register: matrix_appservice_discord_stat_sqlite_db
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path: "{{ matrix_appservice_discord_sqlite_db_path }}"
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register: matrix_appservice_discord_sqlite_db_path_stat_result
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- name: Fail if an SQLite database already exists when using Postgres
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fail:
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@ -12,8 +15,12 @@
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matrix_appservice_discord_database_engine has been set to `postgres` (which is our new default now).
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However, we've discovered an existing SQLite database in {{ matrix_appservice_discord_data_path }}/{{ matrix_appservice_discord_database_filename_name }}.
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It appears that you've been using this bridge with the SQLite engine until now.
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To continue using SQLite, opt into it explicitly: add `matrix_appservice_discord_database_engine: sqlite` to your vars.yml file.
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To migrate to Postgres: TODO - migration instructions here.
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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.
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Alternatively, to migrate your existing SQLite database to Postgres:
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1. Stop all services (`ansible-playbook -i inventory/hosts setup.yml --tags=stop`)
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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 }}'`)
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3. Re-run the playbook (`ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start`)
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when: "matrix_appservice_discord_sqlite_db_path_stat_result.stat.exists"
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when: "matrix_appservice_discord_database_engine == 'postgres'"
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- name: Ensure Appservice Discord image is pulled
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