82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2021 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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"""Wrapper for cloud-run-proxy binary."""
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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.command_lib.util.anthos import binary_operations
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from googlecloudsdk.core import log
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MISSING_BINARY = ('Could not locate Cloud Run executable cloud-run-proxy'
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' on the system PATH. '
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'Please ensure gcloud cloud-run-proxy component is properly '
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'installed. '
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'See https://cloud.google.com/sdk/docs/components for '
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'more details.')
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# Logs from the binary to be ignored.
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IGNORED_LOGS = [' shutting down.', ' proxies to ']
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class ProxyWrapper(binary_operations.StreamingBinaryBackedOperation):
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"""Binary operation wrapper for cloud-run-proxy commands."""
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def __init__(self, **kwargs):
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super(ProxyWrapper, self).__init__(
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binary='cloud-run-proxy',
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custom_errors={'MISSING_EXEC': MISSING_BINARY},
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install_if_missing=True,
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std_err_func=StreamErrHandler,
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**kwargs)
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# Function required by StreamingBinaryBackedOperation to map command line args
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# from gcloud to the underlying component.
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def _ParseArgsForCommand(self,
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host,
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token=None,
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bind=None,
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duration=None,
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**kwargs):
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del kwargs # Not used here
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exec_args = ['-host', host]
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if token:
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exec_args.extend(['-token', token])
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if bind:
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exec_args.extend(['-bind', bind])
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if duration:
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exec_args.extend(['-server-up-time', duration])
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return exec_args
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def StreamErrHandler(result_holder, capture_output=False):
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"""Customized processing for streaming stderr from subprocess."""
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del result_holder, capture_output # Unused
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def HandleStdErr(line):
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if line:
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for to_be_ignored in IGNORED_LOGS:
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if to_be_ignored in line:
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return
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log.status.Print(line)
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# Check if it is bind used error
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if 'server error:' in line and 'bind: address already in use' in line:
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log.status.Print(
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'You can set the --port flag to specify a different local port')
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return HandleStdErr
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