--- - name: Set default postgres_dump_dir, if not provided set_fact: postgres_dump_dir: "/tmp" when: "postgres_dump_dir|default('') == ''" - name: Set postgres_dump_name, if not provided set_fact: postgres_dump_name: "matrix-postgres.out" when: "postgres_dump_name|default('') == ''" - name: Set postgres_auto_upgrade_backup_data_path, if not provided set_fact: postgres_auto_upgrade_backup_data_path: "{{ matrix_postgres_data_path }}-auto-upgrade-backup" when: "postgres_auto_upgrade_backup_data_path|default('') == ''" - name: Set postgres_start_wait_time, if not provided set_fact: postgres_start_wait_time: 15 when: "postgres_start_wait_time|default('') == ''" - name: Fail, if trying to upgrade external Postgres database fail: msg: "Your configuration indicates that you're using an external Postgres database. Refusing to try and upgrade that." when: "matrix_postgres_use_external" - name: Check Postgres auto-upgrade backup data directory stat: path: "{{ postgres_auto_upgrade_backup_data_path }}" register: result_auto_upgrade_path - name: Abort, if existing Postgres auto-upgrade data path detected fail: msg: "Detected that a left-over {{ postgres_auto_upgrade_backup_data_path }} exists. You should rename it to {{ matrix_postgres_data_path }} if the previous upgrade went wrong, or delete it if it went well." when: "result_auto_upgrade_path.stat.exists" - name: Determine existing Postgres version (check PG_VERSION file) stat: path: "{{ matrix_postgres_data_path }}/PG_VERSION" register: result_pg_version_stat - name: Abort, if no existing Postgres version detected fail: msg="Could not find existing Postgres installation" when: "not result_pg_version_stat.stat.exists" - name: Determine existing Postgres version (read PG_VERSION file) slurp: src: "{{ matrix_postgres_data_path }}/PG_VERSION" register: result_pg_version - name: Determine existing Postgres version (default to empty) set_fact: pg_version: "" - name: Determine existing Postgres version (make sense of PG_VERSION file) set_fact: pg_version: "{{ result_pg_version['content']|b64decode|replace('\n', '') }}" - name: Determine Postgres version to use (default to latest) set_fact: matrix_postgres_docker_image_to_use: "{{ matrix_postgres_docker_image_latest }}" - name: Determine Postgres version to use (use 9.x, if detected) set_fact: matrix_postgres_docker_image_to_use: "{{ matrix_postgres_docker_image_v9 }}" when: "pg_version.startswith('9.')" - name: Determine Postgres version to use (use 10.x, if detected) set_fact: matrix_postgres_docker_image_to_use: "{{ matrix_postgres_docker_image_v10 }}" when: "pg_version == '10' or pg_version.startswith('10.')" - name: Abort, if already at latest Postgres version fail: msg="You are already running the latest Postgres version supported ({{ matrix_postgres_docker_image_latest }}). Nothing to do" when: "matrix_postgres_docker_image_to_use == matrix_postgres_docker_image_latest" - debug: msg: "Upgrading database from {{ matrix_postgres_docker_image_to_use }} to {{ matrix_postgres_docker_image_latest }}" - name: Ensure matrix-synapse is stopped service: name=matrix-synapse state=stopped - name: Ensure matrix-postgres is started service: name=matrix-postgres state=started daemon_reload=yes - name: Wait a bit, so that Postgres can start wait_for: timeout: "{{ postgres_start_wait_time }}" delegate_to: 127.0.0.1 become: false - name: Perform Postgres database dump command: | /usr/bin/docker run --rm --name matrix-postgres-dump \ --network={{ matrix_docker_network }} \ --env-file={{ matrix_environment_variables_data_path }}/env-postgres-pgsql-docker \ -v {{ postgres_dump_dir }}:/out \ {{ matrix_postgres_docker_image_to_use }} pg_dump -h matrix-postgres {{ matrix_postgres_db_name }} -f /out/{{ postgres_dump_name }} - name: Ensure matrix-postgres is stopped service: name=matrix-postgres state=stopped - name: Rename existing Postgres data directory command: "mv {{ matrix_postgres_data_path }} {{ postgres_auto_upgrade_backup_data_path }}" - debug: msg: "NOTE: Your Postgres data directory has been moved from `{{ matrix_postgres_data_path }}` to `{{ postgres_auto_upgrade_backup_data_path }}`. In the event of failure, you can move it back and run the playbook with --tags=setup-postgres to restore operation." - include: tasks/setup/setup_postgres.yml - name: Ensure matrix-postgres autoruns and is restarted service: name=matrix-postgres enabled=yes state=restarted daemon_reload=yes - name: Wait a bit, so that Postgres can start wait_for: timeout: "{{ postgres_start_wait_time }}" delegate_to: 127.0.0.1 become: false - name: Perform Postgres database import command: | /usr/bin/docker run --rm --name matrix-postgres-import \ --network={{ matrix_docker_network }} \ --env-file={{ matrix_environment_variables_data_path }}/env-postgres-pgsql-docker \ -v {{ postgres_dump_dir }}:/in:ro \ {{ matrix_postgres_docker_image_latest }} psql -h matrix-postgres -f /in/{{ postgres_dump_name }} - name: Delete Postgres database dump file file: path: "{{ postgres_dump_dir }}/{{ postgres_dump_name }}" state: absent - name: Ensure matrix-synapse is started service: name=matrix-synapse state=started daemon_reload=yes - debug: msg: "NOTE: Your old Postgres data directory is preserved at `{{ postgres_auto_upgrade_backup_data_path }}`. You might want to get rid of it once you've confirmed that all is well."