146 lines
4.6 KiB
Python
146 lines
4.6 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2019 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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"""Delete instant snapshot command."""
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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.api_lib.compute import base_classes
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from googlecloudsdk.api_lib.compute import utils
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.compute import flags as compute_flags
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from googlecloudsdk.command_lib.compute.instant_snapshots import flags as ips_flags
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def _CommonArgs(parser):
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"""A helper function to build args based on different API version."""
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Delete.ips_arg = ips_flags.MakeInstantSnapshotArg(plural=True)
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Delete.ips_arg.AddArgument(parser, operation_type='delete')
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@base.ReleaseTracks(base.ReleaseTrack.GA)
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class Delete(base.DeleteCommand):
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"""Delete Compute Engine instant snapshots."""
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def _GetCommonScopeNameForRefs(self, refs):
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"""Gets common scope for references."""
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has_zone = any(hasattr(ref, 'zone') for ref in refs)
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has_region = any(hasattr(ref, 'region') for ref in refs)
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if has_zone and not has_region:
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return 'zone'
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elif has_region and not has_zone:
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return 'region'
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else:
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return None
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def _CreateDeleteRequests(self, client, ips_refs):
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"""Returns a list of delete messages for instant snapshots."""
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messages = client.MESSAGES_MODULE
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requests = []
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for ips_ref in ips_refs:
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if ips_ref.Collection() == 'compute.instantSnapshots':
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service = client.instantSnapshots
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request = messages.ComputeInstantSnapshotsDeleteRequest(
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instantSnapshot=ips_ref.Name(),
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project=ips_ref.project,
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zone=ips_ref.zone)
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elif ips_ref.Collection() == 'compute.regionInstantSnapshots':
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service = client.regionInstantSnapshots
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request = messages.ComputeRegionInstantSnapshotsDeleteRequest(
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instantSnapshot=ips_ref.Name(),
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project=ips_ref.project,
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region=ips_ref.region)
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else:
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raise ValueError('Unknown reference type {0}'.format(
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ips_ref.Collection()))
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requests.append((service, 'Delete', request))
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return requests
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@classmethod
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def Args(cls, parser):
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_CommonArgs(parser)
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def _Run(self, args):
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holder = base_classes.ComputeApiHolder(self.ReleaseTrack())
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ips_refs = Delete.ips_arg.ResolveAsResource(
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args,
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holder.resources,
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scope_lister=compute_flags.GetDefaultScopeLister(holder.client),
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)
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scope_name = self._GetCommonScopeNameForRefs(ips_refs)
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utils.PromptForDeletion(ips_refs, scope_name=scope_name, prompt_title=None)
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requests = list(
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self._CreateDeleteRequests(holder.client.apitools_client, ips_refs))
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return holder.client.MakeRequests(requests)
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def Run(self, args):
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return self._Run(args)
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@base.ReleaseTracks(base.ReleaseTrack.BETA)
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class DeleteBeta(Delete):
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"""Delete Compute Engine instant snapshots in beta."""
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@classmethod
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def Args(cls, parser):
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_CommonArgs(parser)
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def Run(self, args):
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return self._Run(args)
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@base.ReleaseTracks(base.ReleaseTrack.ALPHA)
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class DeleteAlpha(Delete):
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"""Delete Compute Engine instant snapshots in alpha."""
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@classmethod
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def Args(cls, parser):
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_CommonArgs(parser)
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def Run(self, args):
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return self._Run(args)
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Delete.detailed_help = {
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'brief': 'Delete a Compute Engine instant snapshot',
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'DESCRIPTION': """\
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*{command}* deletes a Compute Engine instant snapshot. A disk can be
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deleted only if it is not attached to any virtual machine instances.
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""",
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'EXAMPLES': """\
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To delete Compute Engine instant snapshots with the names 'instant-snapshot-1'
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and 'instant-snapshot-2', run:
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$ {command} instant-snapshot-1 instant-snapshot-2
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To list all instant snapshots that were created before a specific date, use
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the --filter flag with the `{parent_command} list` command.
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$ {parent_command} list --filter="creationTimestamp<'2017-01-01'"
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For more information on how to use --filter with the list command,
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run $ gcloud topic filters.
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""",
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}
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