54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2017 Google LLC. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The CreateSignaturePayload command for Binary Authorization signatures."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.container.binauthz import flags as binauthz_flags
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from googlecloudsdk.command_lib.container.binauthz import util as binauthz_command_util
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@base.DefaultUniverseOnly
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class CreateSignaturePayload(base.Command):
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r"""Create a JSON container image signature object.
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Given a container image URL specified by the manifest digest, this command
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will produce a JSON object whose signature is expected by Cloud Binary
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Authorization.
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## EXAMPLES
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To output serialized JSON to sign, run:
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$ {command} \
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--artifact-url="gcr.io/example-project/example-image@sha256:abcd"
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"""
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@classmethod
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def Args(cls, parser):
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binauthz_flags.AddArtifactUrlFlag(parser)
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parser.display_info.AddFormat('object')
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def Run(self, args):
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# Dumping a bytestring to the object formatter doesn't output the string in
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# PY3 but rather the repr of the object. Decoding it to a unicode string
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# achieves the desired result.
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payload_bytes = binauthz_command_util.MakeSignaturePayload(
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args.artifact_url)
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return payload_bytes.decode('utf-8')
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