text: # -*- coding: utf-8 -*- #
  # Copyright 2017 Google LLC. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """Describe a keyring."""
  
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import unicode_literals
  
  from googlecloudsdk.api_lib.cloudkms import base as cloudkms_base
  from googlecloudsdk.calliope import base
  from googlecloudsdk.calliope import exceptions
  from googlecloudsdk.command_lib.kms import flags
  
  
  class Describe(base.DescribeCommand):
    """Get metadata for a keyring.
  
    Returns metadata for the given keyring.
  
    ## EXAMPLES
  
    The following command returns the metadata for the keyring `towers`
    in the location `us-east1`:
  
      $ {command} towers --location=us-east1
    """
  
    @staticmethod
    def Args(parser):
      flags.AddLocationFlag(parser, 'keyring')
      flags.AddKeyRingArgument(parser, 'to describe')
  
    def Run(self, args):
      client = cloudkms_base.GetClientInstance()
      messages = cloudkms_base.GetMessagesModule()
      key_ring_ref = flags.ParseKeyRingName(args)
      if not key_ring_ref.Name():
        raise exceptions.InvalidArgumentException('keyring',
                                                  'keyring id must be non-empty.')
      return client.projects_locations_keyRings.Get(
          messages.CloudkmsProjectsLocationsKeyRingsGetRequest(
              name=key_ring_ref.RelativeName()))
  