In this article we are going to cover How to install GitLab Runner on RedHat Linux/ any other cloud platform like AWS EC2, Azure VM, Google Cloud with preinstalled Red Hat, Register GitLab Runner, GitLab Runner commands and Uninstall GitLab Runner on Red Hat.
What is GitLab Runner?
GitLab Runner is used in GitLab CI/CD to run jobs in a pipeline. It is open source continuous integration service. GitLab runner is a build instance which is used to run the jobs over multiple machines and send the results to GitLab and which can be placed on separate users, servers, and local machine. You can register the runner as shared or group or project after installing it.
Types of GitLab runner:-
- Share runners
- Group runners
- Project runner
Share runners: Share runner are available for jobs that have same requirement for multiple projects. If you use multiple runner for many jobs/projects then it avoid using single runner or minimum runners for many projects. It is use FIFO (first in first out) queue. Share runners are available to all groups and projects in a GitLab executor.
Group runners: Group Runner are available for many projects or multiple subgroup in single group to have access to a set of runners. It is use FIFO (first in first out) queue.
Project runner: Project runner are available for specific requirement for jobs in one project at a time.
How to install GitLab Runner on RedHat Linux ?
Step #1: To install GitLab Runner on RedHat Linux.
Add the official GitLab repository using below command
curl -L "https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.rpm.sh" | sudo bash
Install the latest version of GitLab Runner
sudo yum install gitlab-runner
OR
To install a specific version of GitLab Runner
sudo yum install gitlab-runner-15.11.0-1
To verify GitLab Runner version using below command
sudo gitlab-runner –version
Step #2:Register GitLab Runner on Redhat Linux
To register GitLab runner run below command
sudo gitlab-runner register
Enter the GitLab instance URL
Enter the registration token:
To get token, you have to go your GitLab project -> setting -> CI/CD -> Runner
Expand runner to access token
Ex: GR13489417tmRm3FPGPm1zs9RdxiA
Enter a description for the runner:
We used Project runner
Enter tags for the runner (comma-separated):
Devops, RHEL
Enter an executor:
instance
Then you will get Runner registered successfully.
Now you have to refresh the gitlab page and again go to project -> setting -> CI/CD -> runner -> expand it then you can see assigned project runner.
Step #3:GitLab Runner Services commands
To prints the status of the GitLab Runner service.
sudo gitlab-runner status
To start gitlab runner service
sudo gitlab-runner start
To stop the gitlab runner service.
sudo gitlab-runner stop
To stop and then start the gitlab runner service
sudo gitlab-runner restart
Step #4:Uninstall GitLab runner
To uninstall gitlab runner on Red Hat, firstly you have to stop the gitlab runner service.
sudo gitlab-runner stop
Remove the gitlab from Red Hat
sudo yum remove gitlab-runner
Delete the files which are locally present on Red Hat system
sudo rm -rf /opt/gitlab/sudo rm -rf /var/opt/gitlab
sudo rm -rf /var/log/gitlab
sudo rm -rf /etc/gitlab
Conclusion:
In this article we have covered How to install GitLab Runner on RedHat Linux/ any other cloud platform like AWS EC2, Azure VM, Google Cloud with preinstalled Red Hat, Register GitLab Runner, GitLab Runner commands and Uninstall GitLab Runner on Red Hat.
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