charts/pipelines-library/templates/tasks/helm-lint.yaml

{{ if .Values.pipelines.deployableResources.tasks }}
apiVersion: tekton.dev/v1
kind: Task
metadata:
  annotations:
    tekton.dev/categories: Code Quality
    tekton.dev/displayName: Helm-Lint
    tekton.dev/pipelines.minVersion: 0.12.1
    tekton.dev/platforms: linux/amd64
  name: helm-lint
  labels:
    {{- include "edp-tekton.labels" . | nindent 4 }}
spec:
  description: >-
   This task validates Helm charts using `helm-lint` with configurable chart and configuration directories, supporting custom user environments and additional commands.
  workspaces:
    - description: A workspace that contains fetched git repo.
      name: source
  volumes:
    - name: ct-config-volume
      configMap:
        name: ct-config
  params:
    - name: BASE_IMAGE
      description: The base image for the task.
      default: quay.io/helmpack/chart-testing:v3.10.1
    - name: EXTRA_COMMANDS
      description: Arguments to add to the helm-lint step
      default: ""
    - name: USER_HOME
      description: |
        Absolute path to the user's home directory. Set this explicitly if you are running the image as a non-root user
      type: string
      default: "/tekton/home"
    - name: CHART_DIR
      description: "Deploy templates directory for helm-lint"
      default: "deploy-templates"
    - name: CT_CONFIGS_DIR
      description: "ct-configs directory for helm-lint"
      default: "."

  steps:
    - image: $(params.BASE_IMAGE)
      name: helm-lint
      workingDir: $(workspaces.source.path)
      env:
        - name: HOME
          value: $(params.USER_HOME)
        - name: CHART_DIR
          value: $(params.CHART_DIR)
        - name: CT_CONFIGS_DIR
          value: $(params.CT_CONFIGS_DIR)
        - name: CT_CONFIGS_DIR_DEFAULT
          value: "ct-configs"
      script: |
        set -ex
        $(params.EXTRA_COMMANDS)

        CT_FILE_PATH=""
        LINTCONF_FILE_PATH=""
        CHART_SCHEMA_FILE_PATH=""

        if [ -f "${CT_CONFIGS_DIR}/ct.yaml" ]; then
            CT_FILE_PATH="${CT_CONFIGS_DIR}/ct.yaml"
        else
            CT_FILE_PATH="${CT_CONFIGS_DIR_DEFAULT}/ct.yaml"
        fi

        if [ -f "${CT_CONFIGS_DIR}/lintconf.yaml" ]; then
            LINTCONF_FILE_PATH="${CT_CONFIGS_DIR}/lintconf.yaml"
        else
            LINTCONF_FILE_PATH="${CT_CONFIGS_DIR_DEFAULT}/lintconf.yaml"
        fi

        if [ -f "${CT_CONFIGS_DIR}/chart_schema.yaml" ]; then
            CHART_SCHEMA_FILE_PATH="${CT_CONFIGS_DIR}/chart_schema.yaml"
        else
            CHART_SCHEMA_FILE_PATH="${CT_CONFIGS_DIR_DEFAULT}/chart_schema.yaml"
        fi

        echo "[TEKTON][INFO] Specific charts to test are located at \"${CT_FILE_PATH}\""
        echo "[TEKTON][INFO] The config file for YAML linting is located at \"${LINTCONF_FILE_PATH}\""
        echo "[TEKTON][INFO] The schema for chart.yml validation is located at \"${CHART_SCHEMA_FILE_PATH}\""

        ct lint \
        --charts ${CHART_DIR}/ \
        --config ${CT_FILE_PATH} \
        --lint-conf ${LINTCONF_FILE_PATH} \
        --chart-yaml-schema ${CHART_SCHEMA_FILE_PATH}

      volumeMounts:
        - name: ct-config-volume
          mountPath: /workspace/source/ct-configs/
{{ end }}