Creating a Tekton Tast for calling another Tekton Pipeline -
James Land - 20 Jul 2021
Tekton taks for callling another tekton pipeline
The Task below will call a tekton pipeline (passed in by the PIPELINE_NAME param) and wait for it to complete.
Note: that the task completes successfully regardless of success or failure but adding logic to chage that shoudl be fairly simple.
apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
name: run-tekton-pipeline
spec:
params:
- description: Name of the pipeline to start and follow.
name: PIPELINE_NAME
type: string
workspaces:
- name: source
description: Source Workspace.
steps:
- script: |
#!/bin/bash
echo "************************************"
echo "Starting Pipeline: $(params.PIPELINE_NAME)"
echo "************************************"
tknOutput=$(tkn pipeline start $(params.PIPELINE_NAME) --use-param-defaults --workspace name=source-workspace,claimName=smoke-test-run-pipeline-workspace)
pipelinerun=$(echo $tknOutput | grep -Po "PipelineRun started: \K([a-zA-z0-9\-]*)")
reason="UNKNOWN"
status="UNKNOWN"
shopt -s nocasematch
echo "Waiting for pipeline to complete..."
while [[ "$status" != "True" && "$status" != "False" ]]
do
sleep 15
reason=$(tkn pipelinerun describe $pipelinerun -o jsonpath='{.status.conditions[0].reason}')
status=$(tkn pipelinerun describe $pipelinerun -o jsonpath='{.status.conditions[0].status}')
echo "$pipelinerun currently in status: $status with reason: $reason"
done
echo "************************************"
echo "Pipeline Completed with reason: $reason"
echo "************************************"
image: <IMAGE CONTAINING THE `tkn` BINARY>
name: run-pipeline-and-wait
timeout: 1h
resources: {}