Spinnaker Pipeline SpEL Expressions
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External
- https://spinnaker.io/docs/guides/user/pipeline/expressions/
- https://spinnaker.io/docs/reference/pipeline/expressions/
- https://docs.armory.io/armory-enterprise/spinnaker-user-guides/expression-language/
Internal
Overview
The Spinnaker pipeline expression language is based on Spring Expression Language (SpEL).
Accessing Pipeline Element State
A Tag set by a Trigger
The tag set by a trigger can be accessed with the following expression:
- image: "something/something-else:${trigger['tag']}"
The Judgment Value set by a Manual Judgment Stage
The value selected by a specific Manual Judgment option can be accessed by subsequent stages with the following expression:
${execution.stages.?[name == '<stage-name>' ][0].context.judgmentInput}
The expression can be used in the "Conditional on Expression" clause of subsequent stages as follows:
${execution.stages.?[name == '<stage-name>' ][0].context.judgmentInput == '<option-value>'}
where stage-name should be replaced with the actual name of the Manual Judgment stage and <option-value> with the actual option value using the same capitalization.
An alternative to get the selected option value is to use the ${#judgment() function. Did not manage to make it work, more experimentation is necessary. For more details see:
${#judgment("<stage-name>")}
The Kind and Name of a Manifest Deployed by a Deployment Stage
${execution.stages.?[name == 'Deploy in Prod' ][0].artifacts.reference}
Displaying Pipeline State at Runtime
TODO
Conditional Expressions
${ execution.stages.?[ name == 'Rollback Decision' ][0].context.judgmentInput == 'Rollback' }