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Michael Hollister
2024-08-13 14:22:14 -05:00
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docs/configuring-playbook-matrix-media-repo.md
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@ -89,6 +89,26 @@ matrix_media_repo_datastore_s3_opts_bucket_name: "your-media-bucket"
Full list of configuration options with documentation can be found in [`roles/custom/matrix-media-repo/defaults/main.yml`](https://github.com/spantaleev/matrix-docker-ansible-deploy/blob/master/roles/custom/matrix-media-repo/defaults/main.yml)
## Signing Keys
Authenticated media endpoints ([MSC3916](https://github.com/matrix-org/matrix-spec-proposals/pull/3916)) requires MMR to have a configured signing key to authorize outbound federation requests. Additionally, the signing key must be merged with your homeserver's signing key file.
The playbook default is to generate a MMR signing key when invoking the setup role and merge it with your homeserver if you are using Synapse or Dendrite. This can be disabled if desired by setting the option in your inventory:
```yaml
matrix_media_repo_generate_signing_key: false
```
If you wish to manually generate the signing key and merge it with your homeserver's signing key file, see https://docs.t2bot.io/matrix-media-repo/v1.3.5/installation/signing-key/ for more details.
**Note that if you uninstall MMR from the playbook, it will not remove the old MMR signing key from your homeserver's signing key file. You will have to remove it manually.**
### Key backup and revoking
Since your homeserver signing key file is modified by the playbook, a backup will be created in `HOMESERVER_DIR/config/DOMAIN.signing.key.backup`. If you need to remove/revoke old keys, you can restore from this backup or remove the MMR key id from your `DOMAIN.signing.key` file.
Additionally, its recommended after revoking a signing key to update your homeserver config file (`old_signing_keys` field for Synapse and `old_private_keys` for Dendrite). See your homeserver config file for further documentation on how to populate the field.
## Importing data from an existing media store
If you want to add this repo to an existing homeserver managed by the playbook, you will need to import existing media into MMR's database or you will lose access to older media while it is active. MMR versions up to `v1.3.3` only support importing from Synapse, but newer versions (at time of writing: only `latest`) also support importing from Dendrite.