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Diffstat (limited to 'doc/ci/variables/where_variables_can_be_used.md')
| -rw-r--r-- | doc/ci/variables/where_variables_can_be_used.md | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/doc/ci/variables/where_variables_can_be_used.md b/doc/ci/variables/where_variables_can_be_used.md index b914f3db572..f2dc58bc144 100644 --- a/doc/ci/variables/where_variables_can_be_used.md +++ b/doc/ci/variables/where_variables_can_be_used.md @@ -1,7 +1,7 @@ --- stage: Verify group: Continuous Integration -info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers +info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments type: reference --- @@ -24,7 +24,7 @@ There are two places defined variables can be used. On the: | Definition | Can be expanded? | Expansion place | Description | |:-------------------------------------------|:-----------------|:-----------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| `environment:url` | yes | GitLab | The variable expansion is made by GitLab's [internal variable expansion mechanism](#gitlab-internal-variable-expansion-mechanism).<br/><br/>Supported are all variables defined for a job (project/group variables, variables from `.gitlab-ci.yml`, variables from triggers, variables from pipeline schedules).<br/><br/>Not supported are variables defined in the GitLab Runner `config.toml` and variables created in the job's `script`. | +| `environment:url` | yes | GitLab | The variable expansion is made by the [internal variable expansion mechanism](#gitlab-internal-variable-expansion-mechanism) in GitLab.<br/><br/>Supported are all variables defined for a job (project/group variables, variables from `.gitlab-ci.yml`, variables from triggers, variables from pipeline schedules).<br/><br/>Not supported are variables defined in the GitLab Runner `config.toml` and variables created in the job's `script`. | | `environment:name` | yes | GitLab | Similar to `environment:url`, but the variables expansion doesn't support the following:<br/><br/>- Variables that are based on the environment's name (`CI_ENVIRONMENT_NAME`, `CI_ENVIRONMENT_SLUG`).<br/>- Any other variables related to environment (currently only `CI_ENVIRONMENT_URL`).<br/>- [Persisted variables](#persisted-variables). | | `resource_group` | yes | GitLab | Similar to `environment:url`, but the variables expansion doesn't support the following:<br/><br/>- Variables that are based on the environment's name (`CI_ENVIRONMENT_NAME`, `CI_ENVIRONMENT_SLUG`).<br/>- Any other variables related to environment (currently only `CI_ENVIRONMENT_URL`).<br/>- [Persisted variables](#persisted-variables). | | `variables` | yes | Runner | The variable expansion is made by GitLab Runner's [internal variable expansion mechanism](#gitlab-runner-internal-variable-expansion-mechanism) | @@ -57,8 +57,8 @@ There are three expansion mechanisms: ### GitLab internal variable expansion mechanism The expanded part needs to be in a form of `$variable`, or `${variable}` or `%variable%`. -Each form is handled in the same way, no matter which OS/shell will finally handle the job, -since the expansion is done in GitLab before any runner will get the job. +Each form is handled in the same way, no matter which OS/shell handles the job, +because the expansion is done in GitLab before any runner gets the job. ### GitLab Runner internal variable expansion mechanism @@ -66,7 +66,7 @@ since the expansion is done in GitLab before any runner will get the job. variables from triggers, pipeline schedules, and manual pipelines. - Not supported: variables defined inside of scripts (e.g., `export MY_VARIABLE="test"`). -The runner uses Go's `os.Expand()` method for variable expansion. It means that it will handle +The runner uses Go's `os.Expand()` method for variable expansion. It means that it handles only variables defined as `$variable` and `${variable}`. What's also important, is that the expansion is done only once, so nested variables may or may not work, depending on the ordering of variables definitions. @@ -77,7 +77,7 @@ This is an expansion that takes place during the `script` execution. How it works depends on the used shell (`bash`, `sh`, `cmd`, PowerShell). For example, if the job's `script` contains a line `echo $MY_VARIABLE-${MY_VARIABLE_2}`, it should be properly handled by bash/sh (leaving empty strings or some values depending whether the variables were -defined or not), but will not work with Windows' `cmd` or PowerShell, since these shells +defined or not), but don't work with Windows' `cmd` or PowerShell, since these shells are using a different variables syntax. Supported: @@ -87,10 +87,10 @@ Supported: `.gitlab-ci.yml` variables, `config.toml` variables, and variables from triggers and pipeline schedules). - The `script` may also use all variables defined in the lines before. So, for example, if you define a variable `export MY_VARIABLE="test"`: - - In `before_script`, it will work in the following lines of `before_script` and + - In `before_script`, it works in the following lines of `before_script` and all lines of the related `script`. - - In `script`, it will work in the following lines of `script`. - - In `after_script`, it will work in following lines of `after_script`. + - In `script`, it works in the following lines of `script`. + - In `after_script`, it works in following lines of `after_script`. In the case of `after_script` scripts, they can: @@ -133,7 +133,7 @@ due to security reasons. Variables defined with an environment scope are supported. Given that there is a variable `$STAGING_SECRET` defined in a scope of `review/staging/*`, the following job that is using dynamic environments -is going to be created, based on the matching variable expression: +is created, based on the matching variable expression: ```yaml my-job: |