90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2023 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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"""Command for SSHing into a started workstation."""
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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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import threading
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from googlecloudsdk.api_lib.workstations import workstations
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.workstations import flags as workstations_flags
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@base.ReleaseTracks(
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base.ReleaseTrack.GA, base.ReleaseTrack.BETA, base.ReleaseTrack.ALPHA
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)
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@base.DefaultUniverseOnly
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class Start(base.Command):
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"""SSH into a running workstation.
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SSH into a running workstation.
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Note that arguments for the `NO_PROXY` environment variable must be FQDNs.
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## EXAMPLES
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To ssh into a running workstation, run:
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$ {command} WORKSTATION
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To specify the workstation port, run:
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$ {command} WORKSTATION --port=22
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To ssh into a running workstation with a username, run:
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$ {command} WORKSTATION --user=my-user
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To run a command on the workstation, such as getting a snapshot of the
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guest's process tree, run:
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$ {command} WORKSTATION --command="ps -ejH"
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"""
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@staticmethod
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def Args(parser):
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workstations_flags.AddWorkstationResourceArg(parser)
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workstations_flags.AddPortField(parser)
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workstations_flags.AddLocalHostPortField(parser)
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workstations_flags.AddCommandField(parser)
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workstations_flags.AddSshArgsAndUserField(parser)
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def Collection(self):
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return 'workstations.projects.locations.workstationClusters.workstationConfigs.workstations'
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def Run(self, args):
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# Format arguments for StartTcpTunnel
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args.workstation_port = args.port
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client = workstations.Workstations(self.ReleaseTrack())
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# Validate args in the main thread to reduce the chances of raising an
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# exception within the tunnel thread. Otherwise, the exception won't bubble
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# up correctly and can hang the process or generate unexpected output.
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args.CONCEPTS.workstation.Parse()
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client.threading_event.clear()
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client.tcp_tunnel_open = False
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t = threading.Thread(target=client.StartTcpTunnel, args=(args, True))
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t.daemon = True
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t.start()
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client.threading_event.wait()
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if client.tcp_tunnel_open:
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client.Ssh(args)
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