5.3. ワークスペースを使用したシークレットの提供

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: git-clone
spec:
  workspaces:
    - name: output
      description: The git repo will be cloned onto the volume backing this Workspace.
    - name: ssh-directory
      description: |
        A .ssh directory with private key, known_hosts, config, etc. Copied to
        the user's home before git commands are executed. Used to authenticate
        with the git remote when performing the clone. Binding a Secret to this
        Workspace is strongly recommended over other volume types
  params:
    - name: url
      description: Repository URL to clone from.
      type: string
    - name: revision
      description: Revision to checkout. (branch, tag, sha, ref, etc...)
      type: string
      default: ""
    - name: gitInitImage
      description: The image providing the git-init binary that this Task runs.
      type: string
      default: "gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/git-init:v0.37.0"
  results:
    - name: commit
      description: The precise commit SHA that was fetched by this Task.
    - name: url
      description: The precise URL that was fetched by this Task.
  steps:
    - name: clone
      image: "$(params.gitInitImage)"
      script: |
        #!/usr/bin/env sh
        set -eu
        # This is necessary for recent version of git
        git config --global --add safe.directory '*'
        cp -R "$(workspaces.ssh-directory.path)" "${HOME}"/.ssh 

        chmod 700 "${HOME}"/.ssh
        chmod -R 400 "${HOME}"/.ssh/*
        CHECKOUT_DIR="$(workspaces.output.path)/"
        /ko-app/git-init \
          -url="$(params.url)" \
          -revision="$(params.revision)" \
          -path="${CHECKOUT_DIR}"
        cd "${CHECKOUT_DIR}"
        RESULT_SHA="$(git rev-parse HEAD)"
        EXIT_CODE="$?"
        if [ "${EXIT_CODE}" != 0 ] ; then
          exit "${EXIT_CODE}"
        fi
        printf "%s" "${RESULT_SHA}" > "$(results.commit.path)"
        printf "%s" "$(params.url)" > "$(results.url.path)"

$ tkn task start git-clone
      --param url=git@github.com:example-github-user/buildkit-tekton
      --workspace name=output,emptyDir=""
      --workspace name=ssh-directory,secret=my-github-ssh-credentials
      --use-param-defaults --showlog

apiVersion: tekton.dev/v1beta1
kind: Task
metadata:
  name: skopeo-copy
spec:
  workspaces:
    - name: dockerconfig 

      description: Includes a docker `config.json`
  steps:
    - name: clone
      image: quay.io/skopeo/stable:v1.8.0
      env:
      - name: DOCKER_CONFIG
        value: $(workspaces.dockerconfig.path) 

      script: |
        #!/usr/bin/env sh
        set -eu
        skopeo copy docker://docker.io/library/ubuntu:latest docker://quay.io/example_repository/ubuntu-copy:latest

$ tkn task start skopeo-copy
      --workspace name=dockerconfig,secret=my-registry-credentials
      --use-param-defaults --showlog