40 lines
1.7 KiB
Markdown
40 lines
1.7 KiB
Markdown
# Upgrading
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This document describes the general steps to upgrade between major changes.
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Simple migrations, e.g. for adding schema changes, are not documented
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explicitly. Once we implement them, their usage will be described in the
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[README](./README.md).
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## v0.2 to v0.3 (MongoDB to PostgreSQL)
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* Shut down all services
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* Obviously, now is a good time to perform a full backup ;)
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* Update the codebase
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* Update docker-compose.yaml from the example. Leave the MongoDB service in
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place for now, but update all other service descriptions. You can remove
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`redis` already.
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* Start up the `mongo` and `postgres` services
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* Build the new images (e.g. with `docker-compose build`)
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* Configure your API. The example config file is `api/config.py.example`, and
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it will need to be mounted to `api/config.py` in the container. Ignore the
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Keycloak options for now.
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* Run the database reset script: `docker-compose run --rm api python tools/reset_database.py`
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* Run the database migration script:
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```bash
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docker-compose run --rm \
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-v $PWD/export:/export \
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api \
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python tools/import_from_mongodb.py mongodb://mongo/obs \
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--keycloak-users-file /export/users.json
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```
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* Shut down the `mongo` service, you can now remove it from docker-compose.yaml
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* Start `keycloak` and configure it, similarly to how it was configured in the
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development setup (but choose more secure options). Update the API config
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file to match your keycloak configuration. Import the file
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`export/users.json` into your realm, it will re-add all the users from the
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old installation. You should delete the file and `export/` folder afterwards.
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* Start `api`, `worker` and `frontend`.
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