How to pull source codes from TFS for building images in openshift pipeline

I have created one openshift pipeline as follows:

- name: fetch-repository
  taskRef:
    kind: ClusterTask
    name: git-clone
  params:
    - name: URL
      value: $(params.git-url)
    - name: subdirectory
      value: ''
    - name: deleteExisting
      value: 'true'
    - name: revision
      value: $(params.git-revision)
    - name: sslVerify
      value: 'false'  # Disable SSL verification (temporary)
    - name: username
      valueFrom:
       secretKeyRef:
         name: git-secret
         key: username
    - name: password
      valueFrom:
       secretKeyRef:
         name: git-secret
         key: password
  workspaces:
    - name: output
      workspace: shared-workspace

Also created a secret as follows

apiVersion: v1
kind: Secret
metadata:
  name: git-secret
  namespace: my-build-standalone
type: kubernetes.io/basic-auth
stringData:
  username: username
  password: password

But while saving the yaml in the openshift pipeline it shows valueFrom is an unknown field

An error occurred
admission webhook "webhook.pipeline.tekton.dev" denied the request: mutation failed: cannot decode incoming new object: json: unknown field "valueFrom"

any other possibilities to pull source code from TFS?

Solution

i have fixed this issue by adding the details in Task

main pipeline

   apiVersion: tekton.dev/v1
    kind: Pipeline
    metadata:
      name: build-and-deploy
      namespace: my-build-standalone
    spec:
      params:
        - default: ''
          description: Name of the deployment to be created
          name: deployment-name
          type: string
        - default: ''
          description: URL of the TFS repo for the code
          name: git-url
          type: string- default: master
          description: Revision to be used from the repo
          name: git-revision
          type: string
        - default: ''
          description: Image to be built and pushed
          name: IMAGE
          type: string
        - description: Previous image to roll back to (if required)
          name: previous-image
          type: string
      tasks:
        - name: fetch-repository
          params:
            - name: git-url
              value: $(params.git-url)
            - name: subdirectory
              value: ''
            - name: deleteExisting
              value: 'true'
            - name: git-revision
              value: $(params.git-revision)
            - name: sslVerify
             value: 'false'
          taskRef:
            kind: Task
            name: git-clone-with-auth
          workspaces:
            - name: output
              workspace: shared-workspace
        - name: build-image
          params:
            - name: IMAGE
              value: $(params.IMAGE)
          runAfter:
            - fetch-repository
          taskRef:
            kind: ClusterTask
            name: buildah
          workspaces:
            - name: source
              workspace: shared-workspace
      workspaces:
        - name: shared-workspace

created a task file as git-clone-with-auth

apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: git-clone-with-auth
  namespace: my-build-standalone
  resourceVersion: '284080763'
  uid: 0cc45b5e-aabe-446f-baec-228fc362195e
spec:
  params:
    - name: git-url
      type: string
    - name: git-revision
      type: string
  steps:
    - command:
        - /bin/sh
        - '-c'
        - |
          echo "Cloning repository..."
          git config --global credential.helper store
          git config --global http.sslVerify false
          set -e
          # Write credentials
          echo "https://${GIT_USERNAME}:${GIT_PASSWORD}@${FINAL_GIT_URL}" > ~/.git-credentials
          echo "Cloning repository ${GIT_URL} to ${WORKSPACE_PATH}..."
          git clone ${GIT_URL} ${WORKSPACE_PATH}
      computeResources: {}
      env:
        - name: GIT_USERNAME
          valueFrom:
            secretKeyRef:
              key: username
              name: git-secret
        - name: GIT_PASSWORD
          valueFrom:
            secretKeyRef:
              key: password
              name: git-secret
        - name: GIT_URL
          value: $(params.git-url)
        - name: WORKSPACE_PATH
          value: $(workspaces.output.path)
      image: alpine/git
      name: git-clone
  workspaces:
    - name: output

Now it's working as expected