pac-openshift-pipelines-demo.md

Prep

• Make sure tkn-pac is compiled from main
• Make sure we are on the right cluster ($ opac)
• Create a demo directory in /tmp (mkdir /tmp/demo)

Use GH to create a repository

• gh repo create openshfit-demo-test

? Visibility Public
? Would you like to add a .gitignore? Yes
? Choose a .gitignore template Python
? Would you like to add a license? Yes
? Choose a license Apache License 2.0
? This will create the "openshift-demo-test" repository on GitHub. Continue? Yes
✓ Created repository chmouel/openshift-demo-test on GitHub
? Clone the remote project directory "chmouel/openshift-demo-test"? Yes
Cloning into 'openshift-demo-test'...
remote: Enumerating objects: 4, done.

• Run cat .git/config and github-to-remote-ssh origin and cat .git/config

• tkn pac repo create

% tkn-pac repository create
? Enter the namespace where the pipeline should run (default: pipelines-as-code):  openshift-demo-test
? Enter the Git repository url containing the pipelines (default: https://github.com/chmouel/openshift-demo-test):
? Enter the target GIT branch (default: main):
? Enter the Git event type for triggering the pipeline:  pull_request
! Namespace openshift-demo-test is not created yet
? Would you like me to create the namespace openshift-demo-test? Yes
✓ Repository openshift-demo-test-pull-request has been created in openshift-demo-test namespace
? Would you like me to create a basic PipelineRun file into the file .tekton/pull_request.yaml ? True

• Go to https://github.com/apps/pipelines-as-code and click Configure and add openshift-demo-test to the APP

• git checkout -b demo-openshift-pipeline

• mkdir lib/

• touch lib/__init__.py

• vi lib/app.py

• Insert his

#!/usr/bin/env python3

var = "hello"

if not "hello" in var:
    print("hello var is not")

• vi .tekton

• add :

pipelinesascode.tekton.dev/task: "[git-clone, pylint]"

• add :

    - name: pylint
        runAfter: [fetch-repository]
        params:
          - name: path
            value: "lib/"
          - name: args
            value: ["-r", "y"]
        taskRef:
          name: pylint
        workspaces:
          - name: source
            workspace: source

• git push origin demo-openshift-pipeline and create a pull request by clicking onto the link

• See it fails

• tkn pac repo ls -n demo-openshift-pipeline

• tkn pac repo describe -n demo-openshift-pipeline

• Click on the pull request link logs to see the logs

• Show via CLI tkn pr ls -n demo-openshift-pipeline

• Adjust app.py :

#!/usr/bin/env python3
"""This is an APP"""

VAR = "hello"

if "hello" not in VAR:
    print("hello var is not")

• Commit git commit -a -m "Linters"

• Repush with git push origin demo-openshift-pipeline

• Explains auto secret

• Explains ACL

• Show /retest

• Show how a push pipeline would look like