diff --git a/roles/matrix-postgres/defaults/main.yml b/roles/matrix-postgres/defaults/main.yml index 89559f5d0..5755742f5 100644 --- a/roles/matrix-postgres/defaults/main.yml +++ b/roles/matrix-postgres/defaults/main.yml @@ -48,3 +48,5 @@ matrix_postgres_additional_databases: [] # # For most (subsequent) runs, Postgres would already be running, so no waiting will be happening at all. matrix_postgres_additional_databases_postgres_start_wait_timeout_seconds: 15 + +matrix_postgres_pgloader_docker_image: "docker.io/illagrenan/pgloader:3.6.2" diff --git a/roles/matrix-postgres/tasks/import_generic_sqlite_db.yml b/roles/matrix-postgres/tasks/import_generic_sqlite_db.yml new file mode 100644 index 000000000..f2798a73d --- /dev/null +++ b/roles/matrix-postgres/tasks/import_generic_sqlite_db.yml @@ -0,0 +1,84 @@ +--- + +# Pre-checks + +- name: Fail if Postgres not enabled + fail: + msg: "Postgres via the matrix-postgres role is not enabled (`matrix_postgres_enabled`). Cannot import." + when: "not matrix_postgres_enabled|bool" + +- name: Fail if playbook called incorrectly + fail: + msg: "The `sqlite_database_path` variable needs to be provided to this playbook, via --extra-vars" + when: "sqlite_database_path is not defined or sqlite_database_path.startswith('<')" + +- name: Fail if playbook called incorrectly + fail: + msg: >- + The `postgres_db_connection_string` variable needs to be provided to this playbook, via `--extra-vars`. + Example: `--extra-vars="postgres_db_connection_string=postgresql://username:password@localhost:/database_name`" + when: "postgres_db_connection_string is not defined or not postgres_db_connection_string.startswith('postgresql://')" + +- name: Check if the provided SQLite database file exists + stat: + path: "{{ sqlite_database_path }}" + register: sqlite_database_path_stat_result + +- name: Fail if provided SQLite database file doesn't exist + fail: + msg: "File cannot be found on the server at {{ sqlite_database_path }}" + when: "not sqlite_database_path_stat_result.stat.exists" + + +# Defaults + +- name: Set postgres_start_wait_time, if not provided + set_fact: + postgres_start_wait_time: 15 + when: "postgres_start_wait_time|default('') == ''" + + +# Actual import work + +- name: Ensure matrix-postgres is started + service: + name: matrix-postgres + state: started + daemon_reload: yes + register: matrix_postgres_service_start_result + +- name: Wait a bit, so that Postgres can start + wait_for: + timeout: "{{ postgres_start_wait_time }}" + delegate_to: 127.0.0.1 + become: false + when: "matrix_postgres_service_start_result.changed|bool" + +- name: Import SQLite database from {{ sqlite_database_path }} into Postgres + command: + cmd: >- + {{ matrix_host_command_docker }} run + --rm + --user={{ matrix_user_uid }}:{{ matrix_user_gid }} + --cap-drop=ALL + --network={{ matrix_docker_network }} + --mount type=bind,src={{ sqlite_database_path }},dst=/in.db,ro + --entrypoint=/bin/sh + {{ matrix_postgres_pgloader_docker_image }} + -c + 'pgloader /in.db {{ postgres_db_connection_string }}' + +- name: Archive SQLite database ({{ sqlite_database_path }} -> {{ sqlite_database_path }}.backup) + command: + cmd: "mv {{ sqlite_database_path }} {{ sqlite_database_path }}.backup" + +- name: Inject result + set_fact: + matrix_playbook_runtime_results: | + {{ + matrix_playbook_runtime_results|default([]) + + + [ + "NOTE: Your SQLite database file has been imported into Postgres. The original file has been moved from `{{ sqlite_database_path }}` to `{{ sqlite_database_path }}.backup`. When you've confirmed that the import went well and everything works, you should be able to safely delete this file." + ] + }} diff --git a/roles/matrix-postgres/tasks/main.yml b/roles/matrix-postgres/tasks/main.yml index f4c752a04..b9c2ae7c9 100644 --- a/roles/matrix-postgres/tasks/main.yml +++ b/roles/matrix-postgres/tasks/main.yml @@ -26,6 +26,12 @@ tags: - import-synapse-sqlite-db +# Perhaps we need a new variable here, instead of `run_postgres_import_sqlite_db`. +- import_tasks: "{{ role_path }}/tasks/import_generic_sqlite_db.yml" + when: run_postgres_import_sqlite_db|bool + tags: + - import-generic-sqlite-db + - import_tasks: "{{ role_path }}/tasks/upgrade_postgres.yml" when: run_postgres_upgrade|bool tags: