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matrix-docker-ansible-deploy/docs/importing-synapse-sqlite.md

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Importing an existing SQLite database from another Synapse installation (optional)

Run this if you'd like to import your database from a previous default installation of Synapse. (don't forget to import your media_store files as well - see the importing-synapse-media-store guide).

While this playbook always sets up PostgreSQL, by default a Synapse installation would run using an SQLite database.

If you have such a Synapse setup and wish to migrate it here (and over to PostgreSQL), this command is for you.

Prerequisites

Before doing the actual import, you need to upload your SQLite database file to the server (any path is okay).

Importing

Run this command (make sure to replace <server-path-to-homeserver.db> with a file path on your server):

ansible-playbook -i inventory/hosts setup.yml --extra-vars='server_path_homeserver_db=<server-path-to-homeserver.db>' --tags=import-synapse-sqlite-db

Notes:

  • <server-path-to-homeserver.db> must be a file path to a homeserver.db file on the server (not on your local machine!).
  • if the SQLite database is from an older version of Synapse, the importing procedure may run migrations on it to bring it up to date. That is, your SQLite database file may get modified and become unusable with your older Synapse version. Keeping a copy of the original is probably wise.