84 lines
2.6 KiB
Markdown
84 lines
2.6 KiB
Markdown
---
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stage: Verify
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group: Pipeline Execution
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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type: howto
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---
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# GitLab CI/CD instance configuration **(FREE SELF)**
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GitLab administrators can manage the GitLab CI/CD configuration for their instance.
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## Disable GitLab CI/CD in new projects
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GitLab CI/CD is enabled by default in all new projects on an instance. You can set
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CI/CD to be disabled by default in new projects by modifying the settings in:
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- `gitlab.yml` for source installations.
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- `gitlab.rb` for Omnibus GitLab installations.
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Existing projects that already had CI/CD enabled are unchanged. Also, this setting only changes
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the project default, so project owners [can still enable CI/CD in the project settings](../ci/enable_or_disable_ci.md#enable-cicd-in-a-project).
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For installations from source:
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1. Open `gitlab.yml` with your editor and set `builds` to `false`:
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```yaml
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## Default project features settings
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default_projects_features:
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issues: true
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merge_requests: true
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wiki: true
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snippets: false
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builds: false
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```
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1. Save the `gitlab.yml` file.
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1. Restart GitLab:
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```shell
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sudo service gitlab restart
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```
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For Omnibus GitLab installations:
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1. Edit `/etc/gitlab/gitlab.rb` and add this line:
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```ruby
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gitlab_rails['gitlab_default_projects_features_builds'] = false
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```
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1. Save the `/etc/gitlab/gitlab.rb` file.
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1. Reconfigure GitLab:
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```shell
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sudo gitlab-ctl reconfigure
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```
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## Set the `needs:` job limit **(FREE SELF)**
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The maximum number of jobs that can be defined in `needs:` defaults to 50.
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A GitLab administrator with [access to the GitLab Rails console](operations/rails_console.md#starting-a-rails-console-session)
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can choose a custom limit. For example, to set the limit to `100`:
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```ruby
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Plan.default.actual_limits.update!(ci_needs_size_limit: 100)
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```
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To disable directed acyclic graphs (DAG), set the limit to `0`.
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<!-- ## Troubleshooting
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Include any troubleshooting steps that you can foresee. If you know beforehand what issues
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one might have when setting this up, or when something is changed, or on upgrading, it's
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important to describe those, too. Think of things that may go wrong and include them here.
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This is important to minimize requests for support, and to avoid doc comments with
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questions that you know someone might ask.
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Each scenario can be a third-level heading, e.g. `### Getting error message X`.
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If you have none to add when creating a doc, leave this section in place
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but commented out to help encourage others to add to it in the future. -->
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