Commit c702dbff authored by Evan Read's avatar Evan Read Committed by Mike Lewis

Refactor and fix pipeline schedules

parent dba3fc46
......@@ -2,29 +2,33 @@
> **Notes**:
>
> - This feature was introduced in 9.1 as [Trigger Schedule][ce-10533].
> - In 9.2, the feature was [renamed to Pipeline Schedule][ce-10853].
> - Introduced in GitLab 9.1 as [Trigger Schedule](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10533).
> - [Renamed to Pipeline Schedule](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10853) in GitLab 9.2.
> - Cron notation is parsed by [Fugit](https://github.com/floraison/fugit).
Pipeline schedules can be used to run a pipeline at specific intervals, for example every
month on the 22nd for a certain branch.
Pipelines are normally run based on certain conditions being met. For example, when a branch is pushed to repository.
## Using Pipeline schedules
Pipeline schedules can be used to also run [pipelines](../../../ci/pipelines.md) at specific intervals. For example:
In order to schedule a pipeline:
- Every month on the 22nd for a certain branch.
- Once every day.
1. Navigate to your project's **CI / CD ➔ Schedules** and click the
**New Schedule** button.
1. Fill in the form
1. Hit **Save pipeline schedule** for the changes to take effect.
In addition to using the GitLab UI, pipeline schedules can be maintained using the
[Pipeline schedules API](../../../api/pipeline_schedules.md).
## Configuring pipeline schedules
To schedule a pipeline for project:
1. Navigate to the project's **CI / CD > Schedules** page.
1. Click the **New schedule** button.
1. Fill in the **Schedule a new pipeline** form.
1. Click the **Save pipeline schedule** button.
![New Schedule Form](img/pipeline_schedules_new_form.png)
> **Attention:**
The pipelines won't be executed precisely, because schedules are handled by
Sidekiq, which runs according to its interval.
See [advanced admin configuration](#advanced-admin-configuration) for more
information.
NOTE: **Note:**
Pipelines execution [timing is dependent](#advanced-configuration) on Sidekiq's own schedule.
In the **Schedules** index page you can see a list of the pipelines that are
scheduled to run. The next run is automatically calculated by the server GitLab
......@@ -32,36 +36,24 @@ is installed on.
![Schedules list](img/pipeline_schedules_list.png)
### Running a scheduled pipeline manually
> [Introduced][ce-15700] in GitLab 10.4.
To trigger a pipeline schedule manually, click the "Play" button:
![Play Pipeline Schedule](img/pipeline_schedule_play.png)
This will schedule a background job to run the pipeline schedule. A flash
message will provide a link to the CI/CD Pipeline index page.
To help avoid abuse, users are rate limited to triggering a pipeline once per
minute.
### Making use of scheduled pipeline variables
### Using variables
> [Introduced][ce-12328] in GitLab 9.4.
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12328) in GitLab 9.4.
You can pass any number of arbitrary variables and they will be available in
GitLab CI so that they can be used in your `.gitlab-ci.yml` file.
GitLab CI so that they can be used in your [`.gitlab-ci.yml` file](../../../ci/yaml/README.md).
![Scheduled pipeline variables](img/pipeline_schedule_variables.png)
## Using only and except
### Using only and except
To configure that a job can be executed only when the pipeline has been
scheduled (or the opposite), you can use
[only and except](../../../ci/yaml/README.md#onlyexcept-basic) configuration keywords.
```
For example:
```yaml
job:on-schedule:
only:
- schedules
......@@ -75,11 +67,47 @@ job:
- make build
```
## Taking ownership
### Advanced configuration
The pipelines won't be executed exactly on schedule because schedules are handled by
Sidekiq, which runs according to its interval.
For example, only two pipelines will be created per day if:
Pipelines are executed as a user, who owns a schedule. This influences what
projects and other resources the pipeline has access to. If a user does not own
a pipeline, you can take ownership by clicking the **Take ownership** button.
- You set a schedule to create a pipeline every minute (`* * * * *`).
- The Sidekiq worker runs on 00:00 and 12:00 every day (`0 */12 * * *`).
To change the Sidekiq worker's frequency:
1. Edit the `pipeline_schedule_worker_cron` value in your instance's `gitlab.rb` file.
1. [Restart GitLab](../../../administration/restart_gitlab.md).
For GitLab.com, refer to the [dedicated settings page](../../gitlab_com/index.md#cron-jobs).
## Working with scheduled pipelines
Once configured, GitLab supports many functions for working with scheduled pipelines.
### Running manually
> [Introduced](https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/15700) in GitLab 10.4.
To trigger a pipeline schedule manually, click the "Play" button:
![Play Pipeline Schedule](img/pipeline_schedule_play.png)
This will schedule a background job to run the pipeline schedule. A flash
message will provide a link to the CI/CD Pipeline index page.
NOTE: **Note:**
To help avoid abuse, users are rate limited to triggering a pipeline once per
minute.
### Taking ownership
Pipelines are executed as a user, who owns a schedule. This influences what projects and other resources the pipeline has access to.
If a user does not own a pipeline, you can take ownership by clicking the **Take ownership** button.
The next time a pipeline is scheduled, your credentials will be used.
![Schedules list](img/pipeline_schedules_ownership.png)
......@@ -90,20 +118,3 @@ on the target branch, the schedule will stop creating new pipelines. This can
happen if, for example, the owner is blocked or removed from the project, or
the target branch or tag is protected. In this case, someone with sufficient
privileges must take ownership of the schedule.
## Advanced admin configuration
The pipelines won't be executed precisely, because schedules are handled by
Sidekiq, which runs according to its interval. For example, if you set a
schedule to create a pipeline every minute (`* * * * *`) and the Sidekiq worker
runs on 00:00 and 12:00 every day (`0 */12 * * *`), only 2 pipelines will be
created per day. To change the Sidekiq worker's frequency, you have to edit the
`pipeline_schedule_worker_cron` value in your `gitlab.rb` and restart GitLab.
For GitLab.com, you can check the [dedicated settings page][settings]. If you
don't have admin access to the server, ask your administrator.
[ce-10533]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10533
[ce-10853]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10853
[ce-12328]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12328
[ce-15700]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/15700
[settings]: https://about.gitlab.com/gitlab-com/settings/#cron-jobs
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