122 lines
4.1 KiB
Python
122 lines
4.1 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2018 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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"""Export cluster 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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import sys
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from googlecloudsdk.api_lib.dataproc import dataproc as dp
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.dataproc import clusters
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from googlecloudsdk.command_lib.dataproc import flags
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from googlecloudsdk.command_lib.export import util as export_util
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from googlecloudsdk.core.util import files
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@base.ReleaseTracks(base.ReleaseTrack.ALPHA, base.ReleaseTrack.BETA,
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base.ReleaseTrack.GA)
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class Export(base.DescribeCommand):
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"""Export a cluster.
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Exports an existing cluster's configuration to a file.
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This configuration can then be used to create new clusters using the import
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command.
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"""
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detailed_help = {
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'EXAMPLES': """
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To export a cluster to a YAML file, run:
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$ {command} my-cluster --region=us-central1 --destination=cluster.yaml
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To export a cluster to standard output, run:
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$ {command} my-cluster --region=us-central1
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"""
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}
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@classmethod
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def GetApiVersion(cls):
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"""Returns the API version based on the release track."""
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return 'v1'
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@classmethod
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def Args(cls, parser):
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dataproc = dp.Dataproc(cls.ReleaseTrack())
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flags.AddClusterResourceArg(parser, 'export', dataproc.api_version)
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export_util.AddExportFlags(parser)
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def Run(self, args):
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dataproc = dp.Dataproc(self.ReleaseTrack())
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cluster_ref = args.CONCEPTS.cluster.Parse()
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request = dataproc.messages.DataprocProjectsRegionsClustersGetRequest(
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projectId=cluster_ref.projectId,
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region=cluster_ref.region,
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clusterName=cluster_ref.clusterName)
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cluster = dataproc.client.projects_regions_clusters.Get(request)
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# Filter out Dataproc-generated labels and properties.
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clusters.DeleteGeneratedLabels(cluster, dataproc)
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clusters.DeleteGeneratedProperties(cluster, dataproc)
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RemoveNonImportableFields(cluster)
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if args.destination:
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with files.FileWriter(args.destination) as stream:
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export_util.Export(message=cluster, stream=stream)
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else:
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export_util.Export(message=cluster, stream=sys.stdout)
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# Note that this needs to be kept in sync with v1 clusters.proto.
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def RemoveNonImportableFields(cluster):
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"""Modifies cluster to exclude OUTPUT_ONLY and resource-identifying fields."""
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cluster.projectId = None
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cluster.clusterName = None
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cluster.status = None
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cluster.statusHistory = []
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cluster.clusterUuid = None
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cluster.metrics = None
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if cluster.config is not None:
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config = cluster.config
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if config.lifecycleConfig is not None:
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config.lifecycleConfig.idleStartTime = None
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# This is an absolute time, so exclude it from cluster templates. Due to
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# b/152239418, even if a user specified a TTL (auto_delete_ttl) rather
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# than an absolute time, the API still returns the absolute time and does
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# not return auto_delete_ttl. So TTLs are effectively excluded from
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# templates, at least until that FR is resolved.
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config.lifecycleConfig.autoDeleteTime = None
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instance_group_configs = [
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config.masterConfig, config.workerConfig, config.secondaryWorkerConfig
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]
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for aux_config in config.auxiliaryNodeGroups:
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instance_group_configs.append(aux_config.nodeGroup.nodeGroupConfig)
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for group in instance_group_configs:
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if group is not None:
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group.instanceNames = []
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group.isPreemptible = None
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group.managedGroupConfig = None
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