release_tracks: [ALPHA, BETA, GA]
help_text:
  brief: Add IAM policy binding for a tasks queue.
  description: |
     Add an IAM policy binding to a tasks queue's access policy.

  examples: |
    To add an IAM policy binding for the role of 'roles/editor' for the user 'test-user@gmail.com'
    with queue 'my-queue' and location='my-location', run:

      $ {command} my-queue --location='my-location' --member='user:test-user@gmail.com' --role='roles/editor'

    See https://cloud.google.com/iam/docs/managing-policies for details of
    policy role and member types.

request:
  collection: cloudtasks.projects.locations.queues

arguments:
  resource:
    help_text: The task queue for which to add IAM policy binding to.
    spec: !REF googlecloudsdk.command_lib.tasks.resources:queue

ALPHA:
  help_text:
    brief: Add IAM policy binding for a tasks queue.
    description: |
      Add an IAM policy binding to a tasks queue's access policy. One binding consists of a member,
      a role, and an optional condition.

    examples: |
      To add an IAM policy binding for the role of 'roles/editor' for the user 'test-user@gmail.com'
      with queue 'my-queue' and location='my-location', run:

        $ {command} my-queue --location='my-location' --member='user:test-user@gmail.com' --role='roles/editor'

      To add an IAM policy binding which expires at the end of the year 2018 for the role of
      'roles/cloudtasks.queueAdmin' and the user 'test-user@gmail.com' with queue 'my-queue' and location='my-location', run:

        $ {command} my-queue --location='my-location' --member='user:test-user@gmail.com' --role='roles/cloudtasks.queueAdmin' --condition='expression=request.time < timestamp("2019-01-01T00:00:00Z"),title=expires_end_of_2018,description=Expires at midnight on 2018-12-31'

      See https://cloud.google.com/iam/docs/managing-policies for details of
      policy role and member types.

  iam:
    enable_condition: true