charts/pipelines-library/templates/tasks/commit-validate.yaml

{{ if .Values.pipelines.deployableResources.tasks }}
apiVersion: tekton.dev/v1
kind: Task
metadata:
  annotations:
    tekton.dev/displayName: Commit-Validate
    tekton.dev/platforms: linux/amd64
  name: commit-validate
  labels:
    {{- include "edp-tekton.labels" . | nindent 4 }}
spec:
  description: >-
   This task validates a commit message against a specified regex pattern and checks that each line does not exceed a maximum length.
  params:
    - name: COMMIT_MESSAGE
      description: "Commit message"
    - name: COMMIT_MESSAGE_PATTERN
      description: "Pattern to validate a commit message"
    - name: BASE_IMAGE
      description: "The base image for the task."
      default: "{{ include "edp-tekton.registry" . }}/python:3.10.8-alpine3.16"
    - name: MAX_LINE_LENGTH
      description: "Maximum length of each line in the commit message."
      default: "80"
  steps:
    - image: $(params.BASE_IMAGE)
      name: commit-validate
      env:
        - name: COMMIT_MESSAGE_PATTERN
          value: $(params.COMMIT_MESSAGE_PATTERN)
        - name: COMMIT_MESSAGE
          value: $(params.COMMIT_MESSAGE)
        - name: MAX_LINE_LENGTH
          value: $(params.MAX_LINE_LENGTH)
      script: |
        #!/usr/bin/env python

        import os
        import sys
        import re

        commit_message_pattern = os.getenv("COMMIT_MESSAGE_PATTERN")

        if not commit_message_pattern:
            print("[TEKTON] Pattern to validate commit message is empty")
            sys.exit(1)

        commit_message = os.getenv("COMMIT_MESSAGE")

        print("[TEKTON] Pattern to validate commit message: " +
        commit_message_pattern)

        print("[TEKTON] Commit message to validate has been fetched:\n" +
        commit_message)

        # Extract the first line of the commit message

        first_line = commit_message.split('\n', 1)[0]


        # Apply regex validation to the first line only

        result = re.match(commit_message_pattern, first_line)

        if result is None:
            print("[TEKTON] Commit message is invalid. The required pattern is " + commit_message_pattern)
            sys.exit(1)

        max_line_length = int(os.getenv("MAX_LINE_LENGTH"))

        lines = commit_message.split('\n')

        for line in lines:
            if len(line) > max_line_length:
                print(f"[TEKTON] A line in the commit message is too long. Each line should be no longer than {max_line_length} characters.")
                sys.exit(1)
{{ end }}