99 lines
3.9 KiB
Markdown
99 lines
3.9 KiB
Markdown
# Repository storages
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> [Introduced][ce-4578] in GitLab 8.10.
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GitLab allows you to define multiple repository storage paths to distribute the
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storage load between several mount points.
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>**Notes:**
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>
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- You must have at least one storage path called `default`.
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- The paths are defined in key-value pairs. The key is an arbitrary name you
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can pick to name the file path.
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- The target directories and any of its subpaths must not be a symlink.
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## Configure GitLab
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>**Warning:**
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In order for [backups] to work correctly, the storage path must **not** be a
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mount point and the GitLab user should have correct permissions for the parent
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directory of the path. In Omnibus GitLab this is taken care of automatically,
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but for source installations you should be extra careful.
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>
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The thing is that for compatibility reasons `gitlab.yml` has a different
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structure than Omnibus. In `gitlab.yml` you indicate the path for the
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repositories, for example `/home/git/repositories`, while in Omnibus you
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indicate `git_data_dirs`, which for the example above would be `/home/git`.
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Then, Omnibus will create a `repositories` directory under that path to use with
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`gitlab.yml`.
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>
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This little detail matters because while restoring a backup, the current
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contents of `/home/git/repositories` [are moved to][raketask] `/home/git/repositories.old`,
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so if `/home/git/repositories` is the mount point, then `mv` would be moving
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things between mount points, and bad things could happen. Ideally,
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`/home/git` would be the mount point, so then things would be moving within the
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same mount point. This is guaranteed with Omnibus installations (because they
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don't specify the full repository path but the parent path), but not for source
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installations.
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---
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Now that you've read that big fat warning above, let's edit the configuration
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files and add the full paths of the alternative repository storage paths. In
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the example below, we add two more mountpoints that are named `nfs` and `cephfs`
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respectively.
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**For installations from source**
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1. Edit `gitlab.yml` and add the storage paths:
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```yaml
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repositories:
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# Paths where repositories can be stored. Give the canonicalized absolute pathname.
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# NOTE: REPOS PATHS MUST NOT CONTAIN ANY SYMLINK!!!
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storages: # You must have at least a 'default' storage path.
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default: /home/git/repositories
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nfs: /mnt/nfs/repositories
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cephfs: /mnt/cephfs/repositories
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```
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1. [Restart GitLab] for the changes to take effect.
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>**Note:**
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The [`gitlab_shell: repos_path` entry][repospath] in `gitlab.yml` will be
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deprecated and replaced by `repositories: storages` in the future, so if you
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are upgrading from a version prior to 8.10, make sure to add the configuration
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as described in the step above. After you make the changes and confirm they are
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working, you can remove the `repos_path` line.
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---
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**For Omnibus installations**
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1. Edit `/etc/gitlab/gitlab.rb` by appending the rest of the paths to the
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default one:
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```ruby
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git_data_dirs({
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"default" => "/var/opt/gitlab/git-data",
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"nfs" => "/mnt/nfs/git-data",
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"cephfs" => "/mnt/cephfs/git-data"
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})
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```
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Note that Omnibus stores the repositories in a `repositories` subdirectory
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of the `git-data` directory.
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## Choose where new project repositories will be stored
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Once you set the multiple storage paths, you can choose where new projects will
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be stored via the **Application Settings** in the Admin area.
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[ce-4578]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4578
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[restart gitlab]: restart_gitlab.md#installations-from-source
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[reconfigure gitlab]: restart_gitlab.md#omnibus-gitlab-reconfigure
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[backups]: ../raketasks/backup_restore.md
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[raketask]: https://gitlab.com/gitlab-org/gitlab-ce/blob/033e5423a2594e08a7ebcd2379bd2331f4c39032/lib/backup/repository.rb#L54-56
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[repospath]: https://gitlab.com/gitlab-org/gitlab-ce/blob/8-9-stable/config/gitlab.yml.example#L457
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