Tekton Condition check failed

Condition in the PipelineRun did not meet the criteria.

Understanding Tekton and Its Purpose

Tekton is a powerful and flexible open-source framework for creating CI/CD systems. It allows developers to define and run continuous integration and delivery pipelines using Kubernetes resources. Tekton's primary purpose is to automate the process of building, testing, and deploying applications, making it easier to manage complex workflows.

Identifying the Symptom: Condition Check Failed

When working with Tekton, you might encounter an error message stating that a 'Condition check failed'. This symptom indicates that a specific condition defined in your PipelineRun did not meet the expected criteria, causing the pipeline to halt or skip certain tasks.

What You Observe

In the Tekton dashboard or logs, you may see messages similar to:

Condition check failed for condition 'my-condition'.

This message indicates that the condition logic needs to be reviewed.

Delving into the Issue: Why Condition Checks Fail

Conditions in Tekton are used to determine whether a particular task in a pipeline should execute. They are defined using Conditions or WhenExpressions in a PipelineRun. A condition check failure typically occurs when the logic specified does not evaluate to true, preventing the associated task from running.

Common Causes

  • Incorrect logic in the condition expression.
  • Missing or incorrect parameters passed to the condition.
  • Dependencies on resources or tasks that have not been satisfied.

Steps to Fix the Condition Check Failure

To resolve this issue, follow these steps:

Step 1: Review the Condition Logic

Examine the condition logic in your PipelineRun or Pipeline definition. Ensure that the expressions used are correct and evaluate to the expected boolean value. For more details on condition expressions, refer to the Tekton Conditions Documentation.

Step 2: Verify Parameters and Resources

Check that all parameters and resources required by the condition are correctly defined and passed. Ensure that any dependencies are resolved before the condition is evaluated. You can use the kubectl describe pipelinerun command to inspect the current state and parameters.

Step 3: Test the Condition Independently

If possible, isolate the condition logic and test it independently to ensure it behaves as expected. This can help identify logical errors or incorrect assumptions in the condition.

Conclusion

By carefully reviewing and testing the condition logic, parameters, and dependencies, you can resolve the 'Condition check failed' error in Tekton. For further assistance, consider exploring the Tekton Documentation or reaching out to the Tekton Community for support.

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