SonarQube's integration with GitLab Self-Managed and GitLab.com allows you to maintain code quality and security in your GitLab projects.
With this integration, you'll be able to:
- Authenticate with GitLab: Sign in to SonarQube with your GitLab credentials.
- Import your GitLab projects: Import your GitLab Projects into SonarQube to easily set up SonarQube projects.
- Analyze projects with GitLab CI/CD: Integrate analysis into your build pipeline. Starting in Developer Edition, SonarScanners running in GitLab CI/CD jobs can automatically detect branches or merge requests being built so you don't need to specifically pass them as parameters to the scanner.
- Report your quality gate status to your merge requests: (starting in Developer Edition) See your quality gate and code metric results right in GitLab so you know if it's safe to merge your changes.
Integration with GitLab self-managed subscriptions requires at least GitLab version 11.7.
Community Edition doesn't support the analysis of multiple branches, so you can only analyze your main branch. Starting in Developer Edition, you can analyze multiple branches and merge requests.
Authenticating with GitLab
See Authenticating with GitLab for more details on your authentication settings in GitLab.
Importing your GitLab projects into SonarQube
Setting up the import of GitLab projects into SonarQube allows you to easily create SonarQube projects from your GitLab projects. If you're using Developer Edition or above, this is also the first step in adding merge request decoration.
To set up the import of GitLab projects:
- Define your global settings
- Add a personal access token for importing repositories
Setting your global settings
To import your GitLab projects into SonarQube, you need to first set your global SonarQube settings. Navigate to Administration > Configuration > General Settings > DevOps Platform Integrations, select the GitLab tab, and specify the following settings:
- Configuration Name (Enterprise and Data Center Edition only): The name used to identify your GitLab configuration at the project level. Use something succinct and easily recognizable.
- GitLab URL: The GitLab API URL.
- Personal Access Token: A GitLab user account is used to decorate Merge Requests. We recommend using a dedicated GitLab account with at least Reporter permissions (the account needs permission to leave comments). Use a personal access token from this account with the api scope authorized for the repositories you're analyzing. Administrators can encrypt this token at Administration > Configuration > Encryption. See the Settings Encryption section of the Security page for more information. This personal access token is used to report your quality gate status to your pull requests. You'll be asked for another personal access token for importing projects in the following section.
Adding a personal access token for importing projects
After setting these global settings, you can add a project from GitLab by clicking the Add project button in the upper-right corner of the Projects homepage and selecting GitLab.
Then, you'll be asked to provide a personal access token with
read_api scope so SonarQube can access and list your GitLab projects. This token will be stored in SonarQube and can be revoked at any time in GitLab.
After saving your personal access token, you'll see a list of your GitLab projects that you can set up to add to SonarQube. Setting up your projects this way also sets your project settings for merge request decoration.
For information on analyzing your projects with GitLab CI/CD, see the following section.
Analyzing projects with GitLab CI/CD
SonarScanners running in GitLab CI/CD jobs can automatically detect branches or merge requests being built so you don't need to specifically pass them as parameters to the scanner.
To analyze your projects with GitLab CI/CD, you need to:
- Set your environment variables.
- Configure your gilab-ci.yml file.
The following sections detail these steps.
You need to disable git shallow clone to make sure the scanner has access to all of your history when running analysis with GitLab CI/CD. For more information, see Git shallow clone.
Setting environment variables
You can set environment variables securely for all pipelines in GitLab's settings. See GitLab's documentation on CI/CD variables for more information.
You need to set the following environment variables in GitLab for analysis:
- Sonar Token: Generate a SonarQube token for GitLab and create a custom environment variable in GitLab with
SONAR_TOKENas the Key and the token you generated as the Value.
- Sonar Host URL: Create a custom environment variable with
SONAR_HOST_URLas the Key and your SonarQube server URL as the Value.
Configuring your gitlab-ci.yml file
This section shows you how to configure your GitLab CI/CD
gitlab-ci.yml file. The
allow_failure parameter in the examples allows a job to fail without impacting the rest of the CI suite.
You'll set up your build according to your SonarQube edition:
- Community Edition: Community Edition doesn't support multiple branches, so you should only analyze your main branch. You can restrict the analysis to your main branch by adding the branch name to the
onlyparameter in your .yml file.
- Developer Edition and above: By default, GitLab will build all branches but not merge requests. To build merge requests, you need to update the
.gitlab-ci.ymlfile by adding
onlyparameter in your .yml. See the example configurations below for more information.
Select the scanner you're using below to expand an example configuration:
Failing the pipeline job when the quality gate fails
In order for the quality gate to fail on the GitLab side when it fails on the SonarQube side, the scanner needs to wait for the SonarQube quality gate status. To enable this, set the
sonar.qualitygate.wait=true parameter in the
You can set the
sonar.qualitygate.timeout property to an amount of time (in seconds) that the scanner should wait for a report to be processed. The default is 300 seconds.
For more information
For more information on configuring your build with GitLab CI/CD, see the GitLab CI/CD pipeline configuration reference.
Reporting your quality gate status in GitLab
After you've set up SonarQube to import your GitLab projects as shown in the previous section, SonarQube can report your quality gate status and analysis metrics directly to GitLab.
To do this, add a project from GitLab by clicking the Add project button in the upper-right corner of the Projects homepage and select GitLab from the drop-down menu.
Then, follow the steps in SonarQube to analyze your project. SonarQube automatically sets the project settings required to show your quality gate in your merge requests.
To report your quality gate status in your merge requests, a SonarQube analysis needs to be run on your code. You can find the additional parameters required for merge request analysis on the Pull request analysis page.
If you're creating your projects manually or adding quality gate reporting to an existing project, see the following section.
SonarQube can also report your quality gate status to GitLab merge requests for existing and manually-created projects. After you've updated your global settings as shown in the Importing your GitLab projects into SonarQube section above, set the following project settings at Project Settings > General Settings > DevOps Platform Integration:
- Configuration name: The configuration name that corresponds to your GitLab instance.
- Project ID: your GitLab Project ID found in GitLab
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