Runners are the agents that run the CI/CD jobs that come from GitLab. When you register a runner, you are setting up communication between your GitLab instance and the machine where GitLab Runner is installed. Runners usually process jobs on the same machine where you installed GitLab Runner.
What is the use of runner in GitLab?
Runners are the agents that run the CI/CD jobs that come from GitLab. When you register a runner, you are setting up communication between your GitLab instance and the machine where GitLab Runner is installed. Runners usually process jobs on the same machine where you installed GitLab Runner.
What are runners in GitLab CI?
A runner is an isolated (virtual) machine that picks up builds through the coordinator API of GitLab CI . A runner can be specific to a certain project or serve any project in GitLab CI. A runner that serves all projects is called a shared runner.
What is GitLab runner token?
Token used to register the runner . It can be obtained through GitLab. Authentication token. Token used to authenticate the runner with the GitLab instance. It is obtained either automatically when registering a runner, or manually when registering the runner via the Runner API.
How does GitLab communicate with runner?
Runners communicate with GitLab over HTTPS, entirely through connections initiated from the Runner to GitLab and never in reverse. The advantage here is that you can install a Runner behind a firewall and as long as the Runner has outbound access to GitLab.com it will work.
Is GitLab runner free?
As a result, the usage of GitLab has grown significantly over time to an estimated 30 million registered users – of which almost 6 million GitLab.com users are on our GitLab.com free tier . ... We evaluted CI/CD minute usage and found that 98.5% of free users use 400 CI/CD minutes or less per month.
Is GitLab CI CD free?
That means anyone using GitHub from personal projects and startups to SMBs can use GitLab CI/CD for free . Starting at 400 free CI pipeline minutes, folks can also add their own Runners or upgrade plans to get more.
How does GitLab CI work?
Continious integration (CI) starts with you. You share new code in a merge request (MR), you trigger a pipeline. Build, test, and validate— GitLab does the rest. Continuous delivery (CD) puts your hard work into action, handing off CI-validated code to your application via structured deployment pipelines.
How does GitLab CI Yml work?
gitlab-ci. yml file is a YAML file that you create on your project’s root. This file automatically runs whenever you push a commit to the server . This triggers a notification to the runner you specified in #3, and then it processes the series of tasks you specified.
How does GitLab CI CD work?
GitLab CI (Continuous Integration) service is a part of GitLab that build and test the software whenever developer pushes code to application . GitLab CD (Continuous Deployment) is a software service that places the changes of every code in the production which results in every day deployment of production.
Can run untagged jobs GitLab?
Set a runner to run untagged jobs
Go to the project’s Settings > CI/CD and expand the Runners section. Find the runner you want to pick untagged jobs and make sure it’s enabled. Click the pencil button. Check the Run untagged jobs option.
What is runner token?
The runner token is used to authenticate and authorize . I.e. the runner is usable by a project, a group or all projects of an instance. You may easily revoke a single runner’s token without invalidating other tokens. This is e.g. useful when a runner is compromised.
How do you unlock the GitLab runner?
Go to https://gitlab.my-company.com/admin/runners and click on Unlock runner.
How does GitLab choose runner?
Runners communicate through the CI API http://docs.gitlab.com/ce/ci/api/builds.html to get build status. This will eventually imply that it will become a more or less random choosing of the runner based on when it finished the last job and the x amount of ms it is waiting to check.
Are GitLab runners secure?
“ GitLab Runners do not offer secure isolation between projects that they do builds for. You are TRUSTING all GitLab users who can push code to project A, B or C to run shell scripts on the machine hosting runner X.”
How do I assign a runner in GitLab?
- Install GitLab Runner.
- Go to the group you want to make the runner work for.
- Go to Settings > CI/CD and expand the Runners section.
- Note the URL and token.
- Register the runner.
