150 lines
4.9 KiB
Python
150 lines
4.9 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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"""Create 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.calliope import base
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from googlecloudsdk.command_lib.compute import scope as compute_scope
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from googlecloudsdk.command_lib.compute.instant_snapshots import flags as ips_flags
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from googlecloudsdk.command_lib.util.args import labels_util
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import six
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DETAILED_HELP = {
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'brief': 'Create a Compute Engine instant snapshot',
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'DESCRIPTION': """\
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*{command}* creates an instant snapshot of a disk. Instant snapshots are useful for
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backing up the disk data.
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""",
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'EXAMPLES': """\
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To create an instant snapshot 'my-instant-snap' from a disk 'my-disk' in zone 'us-east1-a', run:
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$ {command} my-instant-snap --source-disk=my-disk --zone=us-east1-a
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""",
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}
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def _SourceArgs(parser):
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source_disk = parser.add_group('Source disk options', required=True)
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ips_flags.SOURCE_DISK_ARG.AddArgument(source_disk)
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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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Create.IPS_ARG = ips_flags.MakeInstantSnapshotArg()
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Create.IPS_ARG.AddArgument(parser, operation_type='create')
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labels_util.AddCreateLabelsFlags(parser)
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parser.display_info.AddFormat(
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'table(name, location(), location_scope(), status)')
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_SourceArgs(parser)
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@base.ReleaseTracks(base.ReleaseTrack.GA)
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@base.DefaultUniverseOnly
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class Create(base.Command):
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"""Create a Compute Engine instant snapshot."""
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@classmethod
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def Args(cls, parser):
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_CommonArgs(parser)
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@classmethod
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def _GetApiHolder(cls, no_http=False):
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return base_classes.ComputeApiHolder(cls.ReleaseTrack())
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def _GetSourceDiskUri(self, args, compute_holder, default_scope):
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source_disk_ref = ips_flags.SOURCE_DISK_ARG.ResolveAsResource(
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args, compute_holder.resources)
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if source_disk_ref:
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return source_disk_ref.SelfLink()
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return None
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def _Run(self, args):
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compute_holder = self._GetApiHolder()
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client = compute_holder.client
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messages = client.messages
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ips_ref = Create.IPS_ARG.ResolveAsResource(
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args, compute_holder.resources
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)
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requests = []
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if ips_ref.Collection() == 'compute.instantSnapshots':
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instant_snapshot = messages.InstantSnapshot(
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name=ips_ref.Name(),
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sourceDisk=self._GetSourceDiskUri(args, compute_holder,
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compute_scope.ScopeEnum.ZONE))
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request = messages.ComputeInstantSnapshotsInsertRequest(
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instantSnapshot=instant_snapshot,
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project=ips_ref.project,
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zone=ips_ref.zone)
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request = (client.apitools_client.instantSnapshots, 'Insert', request)
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elif ips_ref.Collection() == 'compute.regionInstantSnapshots':
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instant_snapshot = messages.InstantSnapshot(
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name=ips_ref.Name(),
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sourceDisk=self._GetSourceDiskUri(args, compute_holder,
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compute_scope.ScopeEnum.REGION))
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request = messages.ComputeRegionInstantSnapshotsInsertRequest(
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instantSnapshot=instant_snapshot,
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project=ips_ref.project,
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region=ips_ref.region)
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request = (client.apitools_client.regionInstantSnapshots, 'Insert',
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request)
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args_labels = getattr(args, 'labels', None)
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if args_labels:
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labels = messages.InstantSnapshot.LabelsValue(additionalProperties=[
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messages.InstantSnapshot.LabelsValue.AdditionalProperty(
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key=key, value=value)
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for key, value in sorted(six.iteritems(args_labels))
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])
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instant_snapshot.labels = labels
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requests.append(request)
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return 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 CreateBeta(Create):
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"""Create a Compute Engine instant snapshot 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 CreateAlpha(Create):
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"""Create a Compute Engine instant snapshot 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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Create.detailed_help = DETAILED_HELP
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