Gitlab runners and executors
##GitlabCI
https://docs.gitlab.com/runner/
Runner :
SaaS vs self-hosted
https://docs.gitlab.com/ee/ci/runners/
Scope of runners
https://docs.gitlab.com/ee/ci/runners/runners_scope.html
- Shared runners are available to all groups and projects in a GitLab instance.
- Group runners are available to all projects and subgroups in a group.
- Project runners are associated with specific projects. Typically, project runners are used by one project at a time.
Compatibility
https://docs.gitlab.com/runner/executors/#compatibility-chart
Runner execution flow
mermaid
sequenceDiagram
participant gl as GitLab
participant runner as GitLab Runner
participant exec as Executor
opt registration
runner ->>+ gl: POST /api/v4/runners with registration_token
gl -->>- runner: Registered with runner_token
end
loop job requesting and handling
runner ->>+ gl: POST /api/v4/jobs/request with runner_token
gl -->>+ runner: job payload with job_token
runner ->>+ exec: Job payload
exec ->>+ gl: clone sources with job_token
exec ->>+ gl: download artifacts with job_token
exec -->>- runner: return job output and status
runner -->>- gl: updating job output and status with job_token
endDémos
Lancer un job et faire un docker ps/ps -faux en parallèle