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c9d51f2a75
Fixes #6449 1. Simplify the steps for backing up database. 2. Add the missing command to pull migrator image. Signed-off-by: Daniel Jiang <jiangd@vmware.com>
85 lines
3.6 KiB
Markdown
85 lines
3.6 KiB
Markdown
# Harbor upgrade and database migration guide
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When upgrading your existing Harbor instance to a newer version, you may need to migrate the data in your database and the settings in `harbor.cfg`. Since the migration may alter the database schema and the settings of `harbor.cfg`, you should **always** back up your data before any migration.
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**NOTE:**
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- Again, you must back up your data before any data migration.
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- This guide only covers the migration from v1.6.0 to current version, if you are upgrading from earlier versions please
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refer to the migration guide in release branch to upgrade to v1.6.0 and follow this guide to do the migration to later version.
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- From v1.6.0 on, Harbor will automatically try to do the migrate the DB schema when it starts, so if you are upgrading from v1.6.0
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or above it's not necessary to call the migrator tool to migrate the schema.
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- From v1.6.0 on, Harbor migrates DB from MariaDB to PostgreSQL, and combines Harbor, Notary and Clair DB into one.
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- For the change in Database schema please refer to [change log](../tools/migration/db/changelog.md).
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### Upgrading Harbor and migrating data
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1. Log in to the host that Harbor runs on, stop and remove existing Harbor instance if it is still running:
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```
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cd harbor
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docker-compose down
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```
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2. Back up Harbor's current files so that you can roll back to the current version when it is necessary.
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```
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mv harbor /my_backup_dir/harbor
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```
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Back up database (by default in diretory `/data/database`)
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```
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cp -r /data/database /my_backup_dir/
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```
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3. Get the latest Harbor release package from Github:
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https://github.com/goharbor/harbor/releases
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4. Before upgrading Harbor, perform migration first. The migration tool is delivered as a docker image, so you should pull the image from docker hub. Replace [tag] with the release version of Harbor (e.g. v1.5.0) in the below command:
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```
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docker pull goharbor/harbor-migrator:[tag]
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```
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5. Upgrade `harbor.cfg`.
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**NOTE:** The ${harbor_cfg} will be overwritten, you must move it to your installation directory after migration.
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```
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docker run -it --rm -v ${harbor_cfg}:/harbor-migration/harbor-cfg/harbor.cfg goharbor/harbor-migrator:[tag] --cfg up
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```
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**NOTE:** The schema upgrade and data migration of Database is performed by adminserver when Harbor starts, if the migration fails,
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please check the log of adminserver to debug.
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6. Under the directory `./harbor`, run the `./install.sh` script to install the new Harbor instance. If you choose to install Harbor with components like Notary, Clair, and chartmuseum, refer to [Installation & Configuration Guide](../docs/installation_guide.md) for more information.
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### Roll back from an upgrade
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For any reason, if you want to roll back to the previous version of Harbor, follow the below steps:
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**NOTE:** Roll back doesn't support upgrade across v1.5.0, like from v1.2.0 to v1.7.0. This is because Harbor changes DB to PostgreSQL from v1.7.0, the migrator cannot roll back data to MariaDB.
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1. Stop and remove the current Harbor service if it is still running.
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```
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cd harbor
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docker-compose down
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```
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2. Remove current Harbor instance.
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```
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rm -rf harbor
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```
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3. Restore the older version package of Harbor.
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```sh
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mv /my_backup_dir/harbor harbor
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```
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4. Restore database, copy the data files from backup directory to you data volume, by default `/data/database`.
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5. Restart Harbor service using the previous configuration.
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If previous version of Harbor was installed by a release build:
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```sh
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cd harbor
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./install.sh
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```
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