From 6c77eae96935f6a78c6ad170134d0797b18520af Mon Sep 17 00:00:00 2001 From: Slavi Pantaleev Date: Mon, 14 Dec 2020 12:24:37 +0200 Subject: [PATCH] Add (Postgres + SQLite) support to matrix-mautrix-whatsapp bridge I don't use this bridge, so this is completely untested. --- .../defaults/main.yml | 36 +++++++++++++++++++ .../tasks/setup_install.yml | 26 ++++++++++++-- .../templates/config.yaml.j2 | 4 +-- 3 files changed, 61 insertions(+), 5 deletions(-) diff --git a/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml b/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml index e9929f96..6cabea3e 100644 --- a/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml +++ b/roles/matrix-bridge-mautrix-whatsapp/defaults/main.yml @@ -27,6 +27,42 @@ matrix_mautrix_whatsapp_systemd_wanted_services_list: [] matrix_mautrix_whatsapp_appservice_token: '' matrix_mautrix_whatsapp_homeserver_token: '' + +# Database-related configuration fields. +# +# To use SQLite, stick to these defaults. +# +# To use Postgres: +# - change the engine (`matrix_mautrix_whatsapp_database_engine: 'postgres'`) +# - adjust your database credentials via the `matrix_mautrix_whatsapp_postgres_*` variables +matrix_mautrix_whatsapp_database_engine: 'sqlite' + +matrix_mautrix_whatsapp_sqlite_database_path_local: "{{ matrix_mautrix_whatsapp_data_path }}/mautrix-whatsapp.db" +matrix_mautrix_whatsapp_sqlite_database_path_in_container: "/data/mautrix-whatsapp.db" + +matrix_mautrix_whatsapp_postgres_username: 'matrix_mautrix_whatsapp' +matrix_mautrix_whatsapp_postgres_password: 'some-password' +matrix_mautrix_whatsapp_postgres_hostname: 'matrix-postgres' +matrix_mautrix_whatsapp_postgres_port: 5432 +matrix_mautrix_whatsapp_postgres_db_name: 'matrix_mautrix_whatsapp' + +matrix_mautrix_whatsapp_postgres_connection_string: 'postgresql://{{ matrix_mautrix_whatsapp_postgres_username }}:{{ matrix_mautrix_whatsapp_postgres_password }}@{{ matrix_mautrix_whatsapp_postgres_hostname }}:{{ matrix_mautrix_whatsapp_postgres_port }}/{{ matrix_mautrix_whatsapp_postgres_db_name }}' + +matrix_mautrix_whatsapp_appservice_database_type: "{{ + { + 'sqlite': 'sqlite3', + 'postgres':'postgres', + }[matrix_mautrix_whatsapp_database_engine] +}}" + +matrix_mautrix_whatsapp_appservice_database_uri: "{{ + { + 'sqlite': matrix_mautrix_whatsapp_sqlite_database_path_in_container, + 'postgres': matrix_mautrix_whatsapp_postgres_connection_string, + }[matrix_mautrix_whatsapp_database_engine] +}}" + + # Can be set to enable automatic double-puppeting via Shared Secret Auth (https://github.com/devture/matrix-synapse-shared-secret-auth). matrix_mautrix_whatsapp_login_shared_secret: '' diff --git a/roles/matrix-bridge-mautrix-whatsapp/tasks/setup_install.yml b/roles/matrix-bridge-mautrix-whatsapp/tasks/setup_install.yml index 6bd87bbe..15453e8c 100644 --- a/roles/matrix-bridge-mautrix-whatsapp/tasks/setup_install.yml +++ b/roles/matrix-bridge-mautrix-whatsapp/tasks/setup_install.yml @@ -8,6 +8,26 @@ The matrix-bridge-mautrix-whatsapp role needs to execute before the matrix-synapse role. when: "matrix_synapse_role_executed|default(False)" +- block: + - name: Check if an SQLite database already exists + stat: + path: "{{ matrix_mautrix_whatsapp_sqlite_database_path_local }}" + register: matrix_mautrix_whatsapp_sqlite_database_path_local_stat_result + + - name: Fail if an SQLite database already exists when using Postgres + fail: + msg: >- + matrix_mautrix_whatsapp_database_engine has been set to `postgres` (which is our new default now). + However, we've discovered an existing SQLite database in {{ matrix_mautrix_whatsapp_sqlite_database_path_local }}. + 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_mautrix_whatsapp_database_engine: sqlite` to your vars.yml file and re-run this same command. + 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_mautrix_whatsapp_sqlite_database_path_local }} postgres_connection_string_variable_name=matrix_mautrix_whatsapp_postgres_connection_string'`) + 3. Re-run the playbook (`ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start`) + when: "matrix_mautrix_whatsapp_sqlite_database_path_local_stat_result.stat.exists" + when: "matrix_mautrix_whatsapp_database_engine == 'postgres'" + - name: Ensure Mautrix Whatsapp image is pulled docker_image: name: "{{ matrix_mautrix_whatsapp_docker_image }}" @@ -26,12 +46,12 @@ - "{{ matrix_mautrix_whatsapp_base_path }}" - "{{ matrix_mautrix_whatsapp_config_path }}" - "{{ matrix_mautrix_whatsapp_data_path }}" - + - name: Check if an old database file exists stat: path: "{{ matrix_mautrix_whatsapp_base_path }}/mautrix-whatsapp.db" register: matrix_mautrix_whatsapp_stat_database - + - name: Check if an old matrix state file exists stat: path: "{{ matrix_mautrix_whatsapp_base_path }}/mx-state.json" @@ -48,7 +68,7 @@ - name: (Data relocation) Move mautrix-whatsapp database file to ./data directory command: "mv {{ matrix_mautrix_whatsapp_base_path }}/mautrix-whatsapp.db {{ matrix_mautrix_whatsapp_data_path }}/mautrix-whatsapp.db" when: "matrix_mautrix_whatsapp_stat_database.stat.exists" - + - name: (Data relocation) Move mautrix-whatsapp mx-state file to ./data directory command: "mv {{ matrix_mautrix_whatsapp_base_path }}/mx-state.json {{ matrix_mautrix_whatsapp_data_path }}/mx-state.json" when: "matrix_mautrix_whatsapp_stat_mx_state.stat.exists" diff --git a/roles/matrix-bridge-mautrix-whatsapp/templates/config.yaml.j2 b/roles/matrix-bridge-mautrix-whatsapp/templates/config.yaml.j2 index 93956049..89216695 100644 --- a/roles/matrix-bridge-mautrix-whatsapp/templates/config.yaml.j2 +++ b/roles/matrix-bridge-mautrix-whatsapp/templates/config.yaml.j2 @@ -19,11 +19,11 @@ appservice: # Database config. database: # The database type. "sqlite3" and "postgres" are supported. - type: sqlite3 + type: {{ matrix_mautrix_whatsapp_appservice_database_type|to_json }} # The database URI. # SQLite: File name is enough. https://github.com/mattn/go-sqlite3#connection-string # Postgres: Connection string. For example, postgres://user:password@host/database - uri: postgres://matrix_bridge_whatsapp@{{ matrix_additional_databases | selectattr('name', 'equalto', 'matrix_bridge_whatsapp') | map(attribute='pass') | first }}@{{ matrix_postgres_connection_hostname }}/matrix_bridge_whatsapp + uri: {{ matrix_mautrix_whatsapp_appservice_database_uri|to_json }} # Maximum number of connections. Mostly relevant for Postgres. max_open_conns: 20 max_idle_conns: 2