google-drive-concourse-resource

Uses google drive as a resource in concourse jobs/tasks as a way to pass output from 1 task to another in a given pipeline.

Only supports tar and txt files for now

Uses modified Time for versioning so you always retrieve the latest file

Uses Google Drive API v2

Pre-Requisites

1. Follow this doc to create a service principal for the app to use and provide domain wide authority: https://developers.google.com/identity/protocols/OAuth2ServiceAccount#callinganapi
2. You will be using values from the JSON file you downloaded the step above to interact with your drive.
3. Create a folder on your google drive and provide the service principal you created access to edit that folder. This will be the folder where we will be doing gets/puts to.

Source Configuration

• drive_client_email: Required. The Client email for the service principal to use for drive interactions.

• drive_client_id: Required. The client id of the service principal to use for drive interactions.

• drive_private_key_id: Required. The private key id of the service principal to use for drive interactions.

• drive_private_key: Required. The private key of the service principal to use for drive interactions.

• drive_folder_id: Required. The folder id for all drive interactions. We are using ID and NOT the folder's name.

Behavior

check: Extract versions from the

Currently we are returning the latest file's name based on modified Time of that file.

in: Download a file from google drive

We use the file_name to write the downloaded file on the local system.

• file_name: The name of the latest version of the file that we need to fetch.

Parameters

None

out: Upload a file to google drive

Given a file specified by file_name parameter, upload it to a folder in google drive. Currently all uploads go to the root of the folder.

Parameters

• file_name: Required. Path to the local file to upload to google drive

Example Configuration

The following concourse pipeline downloads a repository from github and uploads a file from it to a folder on google drive. Then it downloads it again and prints that file.

---
resource_types:
- name: google-drive
  type: docker-image
  source:
    repository: jpatel4pivotal/google-drive-concourse-resource
jobs:
- name: test-put-gdrive-conc-resource
  serial: true
  plan:
  - get: source
    trigger: true
  - put: gdrive
    params:
      file_name: "source/azure/ci/cloud_init_script.txt"

- name: test-get-gdrive-conc-resource
  serial: true
  plan:
  - get: gdrive
    passed: [test-put-gdrive-conc-resource]
    trigger: true
  - task: validate-file-from-gdrive
    config:
      platform: linux
      image_resource:
        type: docker-image
        source:
          repository: boogabee/datapeci
          tag: "latest"
      inputs:
      - name: gdrive
      run:
        path: sh
        args:
        - -exc
        - |
          ls -altrh gdrive
          ls -altrh /tmp/
          cat gdrive/cloud_init_script.txt

resources:
- name: source
  type: git
  source:
    uri: {{git_uri}}
    branch: master
    username: {{git_user}}
    password: {{git_pass}}
- name: gdrive
  type: google-drive
  source:
    drive_client_email: {{gdrive_client_email}}
    drive_client_id: {{gdrive_client_id}}
    drive_private_key_id: {{gdrive_priv_key_id}}
    drive_private_key: {{gdrive_priv_key}}
    drive_folder_id: {{gdrive_folder_id}}