diff options
Diffstat (limited to 'doc/ci/pipelines/index.md')
| -rw-r--r-- | doc/ci/pipelines/index.md | 244 |
1 files changed, 24 insertions, 220 deletions
diff --git a/doc/ci/pipelines/index.md b/doc/ci/pipelines/index.md index f7e3698b6d4..f22d2373e5f 100644 --- a/doc/ci/pipelines/index.md +++ b/doc/ci/pipelines/index.md @@ -68,7 +68,7 @@ Pipelines can be configured in many different ways: Pipelines and their component jobs and stages are defined in the CI/CD pipeline configuration file for each project. -- Jobs are the [basic configuration](../yaml/README.md#introduction) component. +- [Jobs](../jobs/index.md) are the basic configuration component. - Stages are defined by using the [`stages`](../yaml/README.md#stages) keyword. For a list of configuration options in the CI pipeline file, see the [GitLab CI/CD Pipeline Configuration Reference](../yaml/README.md). @@ -79,6 +79,27 @@ You can also configure specific aspects of your pipelines through the GitLab UI. - [Pipeline schedules](schedules.md). - [Custom CI/CD variables](../variables/README.md#custom-environment-variables). +### Ref Specs for Runners + +When a runner picks a pipeline job, GitLab provides that job's metadata. This includes the [Git refspecs](https://git-scm.com/book/en/v2/Git-Internals-The-Refspec), +which indicate which ref (branch, tag, and so on) and commit (SHA1) are checked out from your +project repository. + +This table lists the refspecs injected for each pipeline type: + +| Pipeline type | Refspecs | +|--------------- |---------------------------------------- | +| Pipeline for Branches | `+refs/pipelines/<id>:refs/pipelines/<id>` and `+refs/heads/<name>:refs/remotes/origin/<name>` | +| pipeline for Tags | `+refs/pipelines/<id>:refs/pipelines/<id>` and `+refs/tags/<name>:refs/tags/<name>` | +| [Pipeline for Merge Requests](../merge_request_pipelines/index.md) | `+refs/pipelines/<id>:refs/pipelines/<id>` | + +The refs `refs/heads/<name>` and `refs/tags/<name>` exist in your +project repository. GitLab generates the special ref `refs/pipelines/<id>` during a +running pipeline job. This ref can be created even after the associated branch or tag has been +deleted. It's therefore useful in some features such as [automatically stopping an environment](../environments/index.md#automatically-stopping-an-environment), +and [merge trains](../merge_request_pipelines/pipelines_for_merged_results/merge_trains/index.md) +that might run pipelines after branch deletion. + ### View pipelines You can find the current and historical pipeline runs under your project's @@ -157,7 +178,7 @@ For each `var` or `file_var`, a key and value are required. > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/7931) in GitLab 8.15. -Manual actions, configured using the [`when:manual`](../yaml/README.md#whenmanual) parameter, +Manual actions, configured using the [`when:manual`](../yaml/README.md#whenmanual) keyword, allow you to require manual interaction before moving forward in the pipeline. You can do this straight from the pipeline graph. Just click the play button @@ -174,7 +195,7 @@ stage has a job with a manual action. > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/27188) in GitLab 11.11. Multiple manual actions in a single stage can be started at the same time using the "Play all manual" button. -Once you click this button, each individual manual action is triggered and refreshed +After you click this button, each individual manual action is triggered and refreshed to an updated status. This functionality is only available: @@ -266,223 +287,6 @@ preserving deployment keys and other credentials from being unintentionally accessed. In order to ensure that jobs intended to be executed on protected runners do not use regular runners, they must be tagged accordingly. -## View jobs in a pipeline - -When you access a pipeline, you can see the related jobs for that pipeline. - -Clicking an individual job shows you its job log, and allows you to: - -- Cancel the job. -- Retry the job. -- Erase the job log. - -### See why a job failed - -> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/17782) in GitLab 10.7. - -When a pipeline fails or is allowed to fail, there are several places where you -can find the reason: - -- In the [pipeline graph](#visualize-pipelines), on the pipeline detail view. -- In the pipeline widgets, in the merge requests and commit pages. -- In the job views, in the global and detailed views of a job. - -In each place, if you hover over the failed job you can see the reason it failed. - - - -In [GitLab 10.8](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/17814) and later, -you can also see the reason it failed on the Job detail page. - -### The order of jobs in a pipeline - -The order of jobs in a pipeline depends on the type of pipeline graph. - -- For [regular pipeline graphs](#regular-pipeline-graphs), jobs are sorted by name. -- For [pipeline mini graphs](#pipeline-mini-graphs), jobs are sorted by severity and then by name. - -The order of severity is: - -- failed -- warning -- pending -- running -- manual -- scheduled -- canceled -- success -- skipped -- created - -For example: - - - -### Group jobs in a pipeline - -> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/6242) in GitLab 8.12. - -If you have many similar jobs, your [pipeline graph](#visualize-pipelines) becomes long and hard -to read. - -You can automatically group similar jobs together. If the job names are formatted in a certain way, -they are collapsed into a single group in regular pipeline graphs (not the mini graphs). - -You can recognize when a pipeline has grouped jobs if you don't see the retry or -cancel button inside them. Hovering over them shows the number of grouped -jobs. Click to expand them. - - - -To create a group of jobs, in the [CI/CD pipeline configuration file](../yaml/README.md), -separate each job name with a number and one of the following: - -- A slash (`/`), for example, `test 1/3`, `test 2/3`, `test 3/3`. -- A colon (`:`), for example, `test 1:3`, `test 2:3`, `test 3:3`. -- A space, for example `test 0 3`, `test 1 3`, `test 2 3`. - -You can use these symbols interchangeably. - -In the example below, these three jobs are in a group named `build ruby`: - -```yaml -build ruby 1/3: - stage: build - script: - - echo "ruby1" - -build ruby 2/3: - stage: build - script: - - echo "ruby2" - -build ruby 3/3: - stage: build - script: - - echo "ruby3" -``` - -In the pipeline, the result is a group named `build ruby` with three jobs: - - - -The jobs are be ordered by comparing the numbers from left to right. You -usually want the first number to be the index and the second number to be the total. - -[This regular expression](https://gitlab.com/gitlab-org/gitlab/blob/2f3dc314f42dbd79813e6251792853bc231e69dd/app/models/commit_status.rb#L99) -evaluates the job names: `\d+[\s:\/\\]+\d+\s*`. - -### Specifying variables when running manual jobs - -> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/30485) in GitLab 12.2. - -When running manual jobs you can supply additional job specific variables. - -You can do this from the job page of the manual job you want to run with -additional variables. To access this page, click on the **name** of the manual job in -the pipeline view, *not* the play (**{play}**) button. - -This is useful when you want to alter the execution of a job that uses -[custom environment variables](../variables/README.md#custom-environment-variables). -Add a variable name (key) and value here to override the value defined in -[the UI or `.gitlab-ci.yml`](../variables/README.md#custom-environment-variables), -for a single run of the manual job. - - - -### Delay a job - -> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/21767) in GitLab 11.4. - -When you do not want to run a job immediately, you can use the [`when:delayed`](../yaml/README.md#whendelayed) parameter to -delay a job's execution for a certain period. - -This is especially useful for timed incremental rollout where new code is rolled out gradually. - -For example, if you start rolling out new code and: - -- Users do not experience trouble, GitLab can automatically complete the deployment from 0% to 100%. -- Users experience trouble with the new code, you can stop the timed incremental rollout by canceling the pipeline - and [rolling](../environments/index.md#retrying-and-rolling-back) back to the last stable version. - - - -### Expand and collapse job log sections - -> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/14664) in GitLab 12.0. - -Job logs are divided into sections that can be collapsed or expanded. Each section displays -the duration. - -In the following example: - -- Two sections are collapsed and can be expanded. -- Three sections are expanded and can be collapsed. - - - -#### Custom collapsible sections - -> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/14664) in GitLab 12.0. - -You can create [collapsible sections in job logs](../pipelines/index.md#expand-and-collapse-job-log-sections) -by manually outputting special codes -that GitLab uses to determine what sections to collapse: - -- Section start marker: `section_start:UNIX_TIMESTAMP:SECTION_NAME\r\e[0K` + `TEXT_OF_SECTION_HEADER` -- Section end marker: `section_end:UNIX_TIMESTAMP:SECTION_NAME\r\e[0K` - -You must add these codes to the script section of the CI configuration. For example, -using `echo`: - -```yaml -job1: - script: - - echo -e "section_start:`date +%s`:my_first_section\r\e[0KHeader of the 1st collapsible section" - - echo 'this line should be hidden when collapsed' - - echo -e "section_end:`date +%s`:my_first_section\r\e[0K" -``` - -In the example above: - -- `date +%s`: The Unix timestamp (for example `1560896352`). -- `my_first_section`: The name given to the section. -- `\r\e[0K`: Prevents the section markers from displaying in the rendered (colored) - job log, but they are displayed in the raw job log. To see them, in the top right - of the job log, click **{doc-text}** (**Show complete raw**). - - `\r`: carriage return. - - `\e[0K`: clear line ANSI escape code. - -Sample raw job log: - -```plaintext -section_start:1560896352:my_first_section\r\e[0KHeader of the 1st collapsible section -this line should be hidden when collapsed -section_end:1560896353:my_first_section\r\e[0K -``` - -#### Pre-collapse sections - -> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/198413) in GitLab 13.5. - -You can make the job log automatically collapse collapsible sections by adding the `collapsed` option to the section start. -Add `[collapsed=true]` after the section name and before the `\r`. The section end marker -remains unchanged: - -- Section start marker with `[collapsed=true]`: `section_start:UNIX_TIMESTAMP:SECTION_NAME[collapsed=true]\r\e[0K` + `TEXT_OF_SECTION_HEADER` -- Section end marker: `section_end:UNIX_TIMESTAMP:SECTION_NAME\r\e[0K` - -Add the updated section start text to the CI configuration. For example, -using `echo`: - -```yaml -job1: - script: - - echo -e "section_start:`date +%s`:my_first_section[collapsed=true]\r\e[0KHeader of the 1st collapsible section" - - echo 'this line should be hidden automatically after loading the job log' - - echo -e "section_end:`date +%s`:my_first_section\r\e[0K" -``` - ## Visualize pipelines > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/5742) in GitLab 8.11. |