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# Gitaly
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[Gitaly](https://gitlab.com/gitlab-org/gitlay) (introduced in GitLab
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9.0) is a service that provides high-level RPC access to Git
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2017-04-06 09:05:06 -04:00
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repositories. As of GitLab 9.1 it is still an optional component with
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limited scope.
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GitLab components that access Git repositories (gitlab-rails,
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gitlab-shell, gitlab-workhorse) act as clients to Gitaly. End users do
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not have direct access to Gitaly.
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## Configuring Gitaly
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2017-04-06 09:05:06 -04:00
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The Gitaly service itself is configured via a TOML configuration file.
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This file is documented [in the gitaly
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repository](https://gitlab.com/gitlab-org/gitaly/blob/master/doc/configuration/README.md).
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2017-04-06 09:05:06 -04:00
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To change a Gitaly setting in Omnibus you can use
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`gitaly['my_setting']` in `/etc/gitlab/gitlab.rb`. Changes will be applied
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when you run `gitlab-ctl reconfigure`.
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```ruby
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gitaly['prometheus_listen_addr'] = 'localhost:9236'
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```
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2017-04-06 09:05:06 -04:00
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To change a Gitaly setting in installations from source you can edit
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`/home/git/gitaly/config.toml`.
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2017-04-06 09:05:06 -04:00
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```toml
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prometheus_listen_addr = "localhost:9236"
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```
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Changes to `/home/git/gitaly/config.toml` are applied when you run `service
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gitlab restart`.
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## Configuring GitLab to not use Gitaly
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2017-03-21 10:18:55 -04:00
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Gitaly is still an optional component in GitLab 9.0. This means you
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can choose to not use it.
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In Omnibus you can make the following change in
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`/etc/gitlab/gitlab.rb` and reconfigure. This will both disable the
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Gitaly service and configure the rest of GitLab not to use it.
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```ruby
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gitaly['enable'] = false
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```
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In source installations, edit `/home/git/gitlab/config/gitlab.yml` and
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make sure `enabled` in the `gitaly` section is set to 'false'. This
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does not disable the Gitaly service in your init script; it only
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prevents it from being used.
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Apply the change with `service gitlab restart`.
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```yaml
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gitaly:
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enabled: false
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```
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## Disabling or enabling the Gitaly service
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Be careful: if you disable Gitaly without instructing the rest of your
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GitLab installation not to use Gitaly, you may end up with errors
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because GitLab tries to access a service that is not running.
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To disable the Gitaly service in your Omnibus installation, add the
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following line to `/etc/gitlab/gitlab.rb`:
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```ruby
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gitaly['enable'] = false
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```
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When you run `gitlab-ctl reconfigure` the Gitaly service will be
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disabled.
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To disable the Gitaly service in an installation from source, add the
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following to `/etc/default/gitlab`:
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```shell
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gitaly_enabled=false
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```
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When you run `service gitlab restart` Gitaly will be disabled.
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