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GitLab FI

GitLab Continuous Integration

GitLab Continuous Integration (CI) is used to automate some development tasks in the repository, most often for automatic unit testing. For the use of GitLab CI it is possible configure your own physical or virtual machine (see virtualization Stratus.FI ). In addition, a faculty machine can also be used .


Faculty used official GitLab Runner with container insulation in service Docker . After starting a new task (eg after git push to the repository) GitLab Runner asks Docker to create a new container from the image that is declared in the repository in the file .gitlab-ci.yml . The repository is cloned into the container and the tasks described in the mentioned file are started. When finished, the container is canceled and the result is returned to GitLab, which displays it in the CI / CD section.

Project configuration for

Read first introductory information for using GitLab CI / CD . You will also need documentation for .gitlab-ci.yml .

The Docker is configured not to automatically install all required images, but to use only those locally available. This prevents excessive installation of different versions of images, which would quickly fill the disk capacity of the machine.

For a list of images available for the faculty GitLab CI, see application of the Faculty Administration .

The image used is declared in .gitlab-ci.yml configuration as a key value image . The format is either REPOSITORY:TAG or REPOSITORY (The default tag is then used latest ). If you do not enter an image, it will be used alpine:latest .

image: maven:latest

If possible, use branded images latest or at least the most general version possible (e.g. 3-jdk-8 place 3.5.0-jdk-8 ). If the images are updated, older versions will be deleted if there is not enough free disk space.

To prevent the machine from being burdened with tasks from repositories that have their own CI set up, it accepts tasks only from those projects that are marked with the brand shared-fi , which can be set as follows:

  • in SettingsGeneralPermissions, enable the Pipelines option if it is not already enabled
  • in settings .gitlab-ci.yml add a tag shared-fi to each target, eg:
        - shared-fi

You can look at the project in the faculty GitLab FI unix/ci-examples for examples of CI configuration for simple projects.

Installing additional images

Request to install additional images or versions at where you specify what you will use the image for.

If you want to install your own or a customized image, attach the application with Dockerfile and all the necessary files to build the image. Administrators build and install the image into Docker.