matrix_postgres_enabled: true matrix_postgres_connection_hostname: "matrix-postgres" matrix_postgres_connection_port: 5432 matrix_postgres_connection_username: "matrix" matrix_postgres_connection_password: "" matrix_postgres_db_name: "matrix" matrix_postgres_base_path: "{{ matrix_base_data_path }}/postgres" matrix_postgres_data_path: "{{ matrix_postgres_base_path }}/data" matrix_postgres_architecture: amd64 # matrix_postgres_docker_image_suffix controls whether we use Alpine-based images (`-alpine`) or the normal Debian-based images. # Alpine-based Postgres images are smaller and we usually prefer them, but they don't work on ARM32 (tested on a Raspberry Pi 3 running Raspbian 10.7). # On ARM32, `-alpine` images fail with the following error: # > LOG: startup process (PID 37) was terminated by signal 11: Segmentation fault matrix_postgres_docker_image_suffix: "{{ '-alpine' if matrix_postgres_architecture in ['amd64', 'arm64'] else '' }}" matrix_postgres_docker_image_v9: "{{ matrix_container_global_registry_prefix }}postgres:9.6.23{{ matrix_postgres_docker_image_suffix }}" matrix_postgres_docker_image_v10: "{{ matrix_container_global_registry_prefix }}postgres:10.19{{ matrix_postgres_docker_image_suffix }}" matrix_postgres_docker_image_v11: "{{ matrix_container_global_registry_prefix }}postgres:11.14{{ matrix_postgres_docker_image_suffix }}" matrix_postgres_docker_image_v12: "{{ matrix_container_global_registry_prefix }}postgres:12.9{{ matrix_postgres_docker_image_suffix }}" matrix_postgres_docker_image_v13: "{{ matrix_container_global_registry_prefix }}postgres:13.5{{ matrix_postgres_docker_image_suffix }}" matrix_postgres_docker_image_v14: "{{ matrix_container_global_registry_prefix }}postgres:14.1{{ matrix_postgres_docker_image_suffix }}" matrix_postgres_docker_image_latest: "{{ matrix_postgres_docker_image_v14 }}" # This variable is assigned at runtime. Overriding its value has no effect. matrix_postgres_docker_image_to_use: '{{ matrix_postgres_docker_image_latest }}' matrix_postgres_docker_image_force_pull: "{{ matrix_postgres_docker_image_to_use.endswith(':latest') }}" # A list of extra arguments to pass to the container matrix_postgres_container_extra_arguments: [] # A list of extra arguments to pass to the postgres process # e.g. "-c 'max_connections=200'" matrix_postgres_process_extra_arguments: [] # Controls whether the matrix-postgres container exposes a port (tcp/5432 in the # container) that can be used to access the database from outside the container (e.g. with psql) # # psql postgresql://username:password@localhost:/database_name # # Takes an ":" or "" value (e.g. "127.0.0.1:5432"), or empty string to not expose. matrix_postgres_container_postgres_bind_port: "" # A list of additional (databases and their credentials) to create. # # Example: # matrix_postgres_additional_databases: # - name: matrix_appservice_discord # username: matrix_appservice_discord # password: some_password # - name: matrix_appservice_slack # username: matrix_appservice_slack # password: some_password matrix_postgres_additional_databases: [] # A list of roles/users to avoid creating when importing (or upgrading) the database. # If a dump file contains the roles and they've also been created beforehand (see `matrix_postgres_additional_databases`), # importing would fail. # We either need to not create them or to ignore the `CREATE ROLE` statements in the dump. matrix_postgres_import_roles_to_ignore: [matrix_postgres_connection_username] # When importing an existing Postgres database (when restoring a backup) or when doing a Postgres upgrade (which dumps & restores), we'd like to avoid: # - creating users (`CREATE ROLE ..`) # - updating passwords for users (`ALTER ROLE matrix WITH SUPERUSER INHERIT NOCREATEROLE NOCREATEDB LOGIN NOREPLICATION NOBYPASSRLS PASSWORD 'md5...`) # # Both of these operations are done by the playbook anyway. # Updating passwords is especially undesirable, because older versions hash passwords using md5 and export them as md5 hashes in the dump file, # which is unsupported by default by newer Postgres versions (v14+). # When users are created and passwords are set by the playbook, they end up hashed as `scram-sha-256` on Postgres v14+. # If an md5-hashed password is restored on top, Postgres v14+ will refuse to authenticate users with it by default. matrix_postgres_import_roles_ignore_regex: "^(CREATE|ALTER) ROLE ({{ matrix_postgres_import_roles_to_ignore|join('|') }})(;| WITH)" # A list of databases to avoid creating when importing (or upgrading) the database. # If a dump file contains the databases and they've also been created beforehand (see `matrix_postgres_additional_databases`), # importing would fail. # We either need to not create them or to ignore the `CREATE DATABASE` statements in the dump. matrix_postgres_import_databases_to_ignore: [matrix_postgres_db_name] matrix_postgres_import_databases_ignore_regex: "^CREATE DATABASE ({{ matrix_postgres_import_databases_to_ignore|join('|') }})\\s" # The number of seconds to wait after starting `matrix-postgres.service` # and before trying to run queries for creating additional databases/users against it. # # For most (subsequent) runs, Postgres would already be running, so no waiting will be happening at all. # # On ARM, we wait some more. ARM32 devices are especially known for being slow. # ARM64 likely don't need such a long delay, but it doesn't hurt too much having it. matrix_postgres_additional_databases_postgres_start_wait_timeout_seconds: "{{ 45 if matrix_postgres_architecture in ['arm32', 'arm64'] else 15 }}" matrix_postgres_pgloader_container_image_self_build: false matrix_postgres_pgloader_container_image_self_build_repo: "https://github.com/illagrenan/pgloader-docker.git" matrix_postgres_pgloader_container_image_self_build_repo_branch: "v{{ matrix_postgres_pgloader_docker_image_tag }}" matrix_postgres_pgloader_container_image_self_build_src_path: "{{ matrix_postgres_base_path }}/pgloader-container-src" # We use illagrenan/pgloader, instead of the more official dimitri/pgloader image, # because the official one only provides a `latest` tag. matrix_postgres_pgloader_docker_image: "{{ matrix_postgres_pgloader_docker_image_name_prefix }}illagrenan/pgloader:{{ matrix_postgres_pgloader_docker_image_tag }}" matrix_postgres_pgloader_docker_image_name_prefix: "{{ 'localhost/' if matrix_postgres_pgloader_container_image_self_build else matrix_container_global_registry_prefix }}" matrix_postgres_pgloader_docker_image_tag: "3.6.2" matrix_postgres_pgloader_docker_image_force_pull: "{{ matrix_postgres_pgloader_docker_image.endswith(':latest') }}"