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annotate venv/lib/python2.7/site-packages/boto/emr/connection.py @ 0:d67268158946 draft

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planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
author bcclaywell
date Mon, 12 Oct 2015 17:43:33 -0400
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1 # Copyright (c) 2010 Spotify AB
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2 # Copyright (c) 2010-2011 Yelp
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3 #
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4 # Permission is hereby granted, free of charge, to any person obtaining a
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5 # copy of this software and associated documentation files (the
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6 # "Software"), to deal in the Software without restriction, including
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7 # without limitation the rights to use, copy, modify, merge, publish, dis-
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8 # tribute, sublicense, and/or sell copies of the Software, and to permit
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9 # persons to whom the Software is furnished to do so, subject to the fol-
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10 # lowing conditions:
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11 #
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12 # The above copyright notice and this permission notice shall be included
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13 # in all copies or substantial portions of the Software.
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14 #
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15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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16 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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17 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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18 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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19 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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21 # IN THE SOFTWARE.
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22
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23 """
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24 Represents a connection to the EMR service
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25 """
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26 import types
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27
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28 import boto
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29 import boto.utils
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30 from boto.ec2.regioninfo import RegionInfo
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31 from boto.emr.emrobject import AddInstanceGroupsResponse, BootstrapActionList, \
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32 Cluster, ClusterSummaryList, HadoopStep, \
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33 InstanceGroupList, InstanceList, JobFlow, \
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34 JobFlowStepList, \
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35 ModifyInstanceGroupsResponse, \
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36 RunJobFlowResponse, StepSummaryList
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37 from boto.emr.step import JarStep
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38 from boto.connection import AWSQueryConnection
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39 from boto.exception import EmrResponseError
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40 from boto.compat import six
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41
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42
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43 class EmrConnection(AWSQueryConnection):
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44
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45 APIVersion = boto.config.get('Boto', 'emr_version', '2009-03-31')
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46 DefaultRegionName = boto.config.get('Boto', 'emr_region_name', 'us-east-1')
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47 DefaultRegionEndpoint = boto.config.get('Boto', 'emr_region_endpoint',
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48 'elasticmapreduce.us-east-1.amazonaws.com')
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49 ResponseError = EmrResponseError
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50
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51 # Constants for AWS Console debugging
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52 DebuggingJar = 's3n://us-east-1.elasticmapreduce/libs/script-runner/script-runner.jar'
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53 DebuggingArgs = 's3n://us-east-1.elasticmapreduce/libs/state-pusher/0.1/fetch'
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54
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55 def __init__(self, aws_access_key_id=None, aws_secret_access_key=None,
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56 is_secure=True, port=None, proxy=None, proxy_port=None,
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57 proxy_user=None, proxy_pass=None, debug=0,
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58 https_connection_factory=None, region=None, path='/',
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59 security_token=None, validate_certs=True, profile_name=None):
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60 if not region:
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61 region = RegionInfo(self, self.DefaultRegionName,
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62 self.DefaultRegionEndpoint)
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63 self.region = region
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64 super(EmrConnection, self).__init__(aws_access_key_id,
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65 aws_secret_access_key,
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66 is_secure, port, proxy, proxy_port,
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67 proxy_user, proxy_pass,
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68 self.region.endpoint, debug,
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69 https_connection_factory, path,
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70 security_token,
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71 validate_certs=validate_certs,
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72 profile_name=profile_name)
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73 # Many of the EMR hostnames are of the form:
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74 # <region>.<service_name>.amazonaws.com
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75 # rather than the more common:
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76 # <service_name>.<region>.amazonaws.com
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77 # so we need to explicitly set the region_name and service_name
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78 # for the SigV4 signing.
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79 self.auth_region_name = self.region.name
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80 self.auth_service_name = 'elasticmapreduce'
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81
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82 def _required_auth_capability(self):
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83 return ['hmac-v4']
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84
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85 def describe_cluster(self, cluster_id):
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86 """
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87 Describes an Elastic MapReduce cluster
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88
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89 :type cluster_id: str
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90 :param cluster_id: The cluster id of interest
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91 """
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92 params = {
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93 'ClusterId': cluster_id
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94 }
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95 return self.get_object('DescribeCluster', params, Cluster)
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96
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97 def describe_jobflow(self, jobflow_id):
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98 """
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99 Describes a single Elastic MapReduce job flow
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100
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101 :type jobflow_id: str
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102 :param jobflow_id: The job flow id of interest
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103 """
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104 jobflows = self.describe_jobflows(jobflow_ids=[jobflow_id])
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105 if jobflows:
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106 return jobflows[0]
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107
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108 def describe_jobflows(self, states=None, jobflow_ids=None,
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109 created_after=None, created_before=None):
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110 """
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111 Retrieve all the Elastic MapReduce job flows on your account
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112
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113 :type states: list
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114 :param states: A list of strings with job flow states wanted
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115
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116 :type jobflow_ids: list
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117 :param jobflow_ids: A list of job flow IDs
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118 :type created_after: datetime
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119 :param created_after: Bound on job flow creation time
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120
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121 :type created_before: datetime
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122 :param created_before: Bound on job flow creation time
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123 """
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124 params = {}
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125
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126 if states:
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127 self.build_list_params(params, states, 'JobFlowStates.member')
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128 if jobflow_ids:
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129 self.build_list_params(params, jobflow_ids, 'JobFlowIds.member')
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130 if created_after:
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131 params['CreatedAfter'] = created_after.strftime(
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132 boto.utils.ISO8601)
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133 if created_before:
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134 params['CreatedBefore'] = created_before.strftime(
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135 boto.utils.ISO8601)
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136
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137 return self.get_list('DescribeJobFlows', params, [('member', JobFlow)])
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138
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139 def describe_step(self, cluster_id, step_id):
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140 """
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141 Describe an Elastic MapReduce step
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142
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143 :type cluster_id: str
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144 :param cluster_id: The cluster id of interest
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145 :type step_id: str
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146 :param step_id: The step id of interest
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147 """
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148 params = {
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149 'ClusterId': cluster_id,
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150 'StepId': step_id
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151 }
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152
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153 return self.get_object('DescribeStep', params, HadoopStep)
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154
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155 def list_bootstrap_actions(self, cluster_id, marker=None):
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156 """
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157 Get a list of bootstrap actions for an Elastic MapReduce cluster
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158
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159 :type cluster_id: str
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160 :param cluster_id: The cluster id of interest
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161 :type marker: str
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162 :param marker: Pagination marker
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163 """
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164 params = {
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165 'ClusterId': cluster_id
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166 }
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167
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168 if marker:
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169 params['Marker'] = marker
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170
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171 return self.get_object('ListBootstrapActions', params, BootstrapActionList)
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172
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173 def list_clusters(self, created_after=None, created_before=None,
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174 cluster_states=None, marker=None):
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175 """
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176 List Elastic MapReduce clusters with optional filtering
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177
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178 :type created_after: datetime
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179 :param created_after: Bound on cluster creation time
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180 :type created_before: datetime
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181 :param created_before: Bound on cluster creation time
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182 :type cluster_states: list
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183 :param cluster_states: Bound on cluster states
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184 :type marker: str
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185 :param marker: Pagination marker
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186 """
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187 params = {}
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188 if created_after:
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189 params['CreatedAfter'] = created_after.strftime(
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190 boto.utils.ISO8601)
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191 if created_before:
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192 params['CreatedBefore'] = created_before.strftime(
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193 boto.utils.ISO8601)
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194 if marker:
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195 params['Marker'] = marker
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196
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197 if cluster_states:
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198 self.build_list_params(params, cluster_states, 'ClusterStates.member')
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199
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200 return self.get_object('ListClusters', params, ClusterSummaryList)
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201
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202 def list_instance_groups(self, cluster_id, marker=None):
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203 """
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204 List EC2 instance groups in a cluster
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205
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206 :type cluster_id: str
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207 :param cluster_id: The cluster id of interest
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208 :type marker: str
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209 :param marker: Pagination marker
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210 """
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211 params = {
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212 'ClusterId': cluster_id
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213 }
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214
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215 if marker:
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216 params['Marker'] = marker
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217
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218 return self.get_object('ListInstanceGroups', params, InstanceGroupList)
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219
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220 def list_instances(self, cluster_id, instance_group_id=None,
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221 instance_group_types=None, marker=None):
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222 """
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223 List EC2 instances in a cluster
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224
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225 :type cluster_id: str
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226 :param cluster_id: The cluster id of interest
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227 :type instance_group_id: str
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228 :param instance_group_id: The EC2 instance group id of interest
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229 :type instance_group_types: list
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230 :param instance_group_types: Filter by EC2 instance group type
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231 :type marker: str
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232 :param marker: Pagination marker
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233 """
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234 params = {
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235 'ClusterId': cluster_id
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236 }
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237
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238 if instance_group_id:
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239 params['InstanceGroupId'] = instance_group_id
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240 if marker:
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241 params['Marker'] = marker
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242
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243 if instance_group_types:
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244 self.build_list_params(params, instance_group_types,
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245 'InstanceGroupTypeList.member')
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246
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247 return self.get_object('ListInstances', params, InstanceList)
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248
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249 def list_steps(self, cluster_id, step_states=None, marker=None):
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250 """
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251 List cluster steps
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252
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253 :type cluster_id: str
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254 :param cluster_id: The cluster id of interest
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255 :type step_states: list
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256 :param step_states: Filter by step states
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257 :type marker: str
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258 :param marker: Pagination marker
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259 """
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260 params = {
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261 'ClusterId': cluster_id
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262 }
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263
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264 if marker:
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265 params['Marker'] = marker
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266
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267 if step_states:
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268 self.build_list_params(params, step_states, 'StepStateList.member')
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269
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270 return self.get_object('ListSteps', params, StepSummaryList)
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271
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272 def add_tags(self, resource_id, tags):
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273 """
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274 Create new metadata tags for the specified resource id.
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275
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276 :type resource_id: str
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277 :param resource_id: The cluster id
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278
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279 :type tags: dict
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280 :param tags: A dictionary containing the name/value pairs.
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281 If you want to create only a tag name, the
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282 value for that tag should be the empty string
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283 (e.g. '') or None.
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284 """
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285 assert isinstance(resource_id, six.string_types)
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286 params = {
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287 'ResourceId': resource_id,
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288 }
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289 params.update(self._build_tag_list(tags))
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290 return self.get_status('AddTags', params, verb='POST')
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291
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292 def remove_tags(self, resource_id, tags):
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293 """
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294 Remove metadata tags for the specified resource id.
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295
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296 :type resource_id: str
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297 :param resource_id: The cluster id
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298
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299 :type tags: list
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300 :param tags: A list of tag names to remove.
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301 """
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302 params = {
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303 'ResourceId': resource_id,
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304 }
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305 params.update(self._build_string_list('TagKeys', tags))
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306 return self.get_status('RemoveTags', params, verb='POST')
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307
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308 def terminate_jobflow(self, jobflow_id):
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309 """
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310 Terminate an Elastic MapReduce job flow
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311
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312 :type jobflow_id: str
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313 :param jobflow_id: A jobflow id
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314 """
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315 self.terminate_jobflows([jobflow_id])
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316
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317 def terminate_jobflows(self, jobflow_ids):
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318 """
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319 Terminate an Elastic MapReduce job flow
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320
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321 :type jobflow_ids: list
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322 :param jobflow_ids: A list of job flow IDs
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323 """
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324 params = {}
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325 self.build_list_params(params, jobflow_ids, 'JobFlowIds.member')
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326 return self.get_status('TerminateJobFlows', params, verb='POST')
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327
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328 def add_jobflow_steps(self, jobflow_id, steps):
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329 """
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330 Adds steps to a jobflow
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331
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332 :type jobflow_id: str
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333 :param jobflow_id: The job flow id
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334 :type steps: list(boto.emr.Step)
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335 :param steps: A list of steps to add to the job
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336 """
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337 if not isinstance(steps, list):
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338 steps = [steps]
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339 params = {}
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340 params['JobFlowId'] = jobflow_id
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341
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342 # Step args
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343 step_args = [self._build_step_args(step) for step in steps]
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344 params.update(self._build_step_list(step_args))
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345
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346 return self.get_object(
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347 'AddJobFlowSteps', params, JobFlowStepList, verb='POST')
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348
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349 def add_instance_groups(self, jobflow_id, instance_groups):
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350 """
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351 Adds instance groups to a running cluster.
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352
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353 :type jobflow_id: str
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354 :param jobflow_id: The id of the jobflow which will take the
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355 new instance groups
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356
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357 :type instance_groups: list(boto.emr.InstanceGroup)
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358 :param instance_groups: A list of instance groups to add to the job
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359 """
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360 if not isinstance(instance_groups, list):
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361 instance_groups = [instance_groups]
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362 params = {}
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363 params['JobFlowId'] = jobflow_id
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364 params.update(self._build_instance_group_list_args(instance_groups))
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365
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366 return self.get_object('AddInstanceGroups', params,
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367 AddInstanceGroupsResponse, verb='POST')
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368
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369 def modify_instance_groups(self, instance_group_ids, new_sizes):
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370 """
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371 Modify the number of nodes and configuration settings in an
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372 instance group.
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373
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374 :type instance_group_ids: list(str)
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375 :param instance_group_ids: A list of the ID's of the instance
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376 groups to be modified
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377
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378 :type new_sizes: list(int)
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379 :param new_sizes: A list of the new sizes for each instance group
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380 """
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381 if not isinstance(instance_group_ids, list):
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382 instance_group_ids = [instance_group_ids]
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383 if not isinstance(new_sizes, list):
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384 new_sizes = [new_sizes]
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385
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386 instance_groups = zip(instance_group_ids, new_sizes)
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387
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388 params = {}
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389 for k, ig in enumerate(instance_groups):
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390 # could be wrong - the example amazon gives uses
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391 # InstanceRequestCount, while the api documentation
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392 # says InstanceCount
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393 params['InstanceGroups.member.%d.InstanceGroupId' % (k+1) ] = ig[0]
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394 params['InstanceGroups.member.%d.InstanceCount' % (k+1) ] = ig[1]
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395
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396 return self.get_object('ModifyInstanceGroups', params,
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397 ModifyInstanceGroupsResponse, verb='POST')
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398
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399 def run_jobflow(self, name, log_uri=None, ec2_keyname=None,
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400 availability_zone=None,
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401 master_instance_type='m1.small',
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402 slave_instance_type='m1.small', num_instances=1,
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403 action_on_failure='TERMINATE_JOB_FLOW', keep_alive=False,
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404 enable_debugging=False,
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405 hadoop_version=None,
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406 steps=[],
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407 bootstrap_actions=[],
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408 instance_groups=None,
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409 additional_info=None,
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410 ami_version=None,
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411 api_params=None,
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412 visible_to_all_users=None,
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413 job_flow_role=None,
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414 service_role=None):
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415 """
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416 Runs a job flow
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417 :type name: str
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418 :param name: Name of the job flow
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419
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420 :type log_uri: str
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421 :param log_uri: URI of the S3 bucket to place logs
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422
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423 :type ec2_keyname: str
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424 :param ec2_keyname: EC2 key used for the instances
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425
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426 :type availability_zone: str
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427 :param availability_zone: EC2 availability zone of the cluster
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428
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429 :type master_instance_type: str
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430 :param master_instance_type: EC2 instance type of the master
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431
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432 :type slave_instance_type: str
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433 :param slave_instance_type: EC2 instance type of the slave nodes
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434
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435 :type num_instances: int
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436 :param num_instances: Number of instances in the Hadoop cluster
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437
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438 :type action_on_failure: str
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439 :param action_on_failure: Action to take if a step terminates
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440
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441 :type keep_alive: bool
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442 :param keep_alive: Denotes whether the cluster should stay
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443 alive upon completion
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444
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445 :type enable_debugging: bool
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446 :param enable_debugging: Denotes whether AWS console debugging
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447 should be enabled.
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448
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449 :type hadoop_version: str
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450 :param hadoop_version: Version of Hadoop to use. This no longer
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451 defaults to '0.20' and now uses the AMI default.
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452
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453 :type steps: list(boto.emr.Step)
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454 :param steps: List of steps to add with the job
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455
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456 :type bootstrap_actions: list(boto.emr.BootstrapAction)
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457 :param bootstrap_actions: List of bootstrap actions that run
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458 before Hadoop starts.
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459
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460 :type instance_groups: list(boto.emr.InstanceGroup)
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461 :param instance_groups: Optional list of instance groups to
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462 use when creating this job.
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463 NB: When provided, this argument supersedes num_instances
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464 and master/slave_instance_type.
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465
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466 :type ami_version: str
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467 :param ami_version: Amazon Machine Image (AMI) version to use
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468 for instances. Values accepted by EMR are '1.0', '2.0', and
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469 'latest'; EMR currently defaults to '1.0' if you don't set
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470 'ami_version'.
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471
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472 :type additional_info: JSON str
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473 :param additional_info: A JSON string for selecting additional features
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474
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475 :type api_params: dict
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476 :param api_params: a dictionary of additional parameters to pass
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477 directly to the EMR API (so you don't have to upgrade boto to
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478 use new EMR features). You can also delete an API parameter
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479 by setting it to None.
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480
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481 :type visible_to_all_users: bool
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482 :param visible_to_all_users: Whether the job flow is visible to all IAM
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483 users of the AWS account associated with the job flow. If this
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484 value is set to ``True``, all IAM users of that AWS
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485 account can view and (if they have the proper policy permissions
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486 set) manage the job flow. If it is set to ``False``, only
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487 the IAM user that created the job flow can view and manage
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488 it.
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489
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490 :type job_flow_role: str
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491 :param job_flow_role: An IAM role for the job flow. The EC2
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492 instances of the job flow assume this role. The default role is
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493 ``EMRJobflowDefault``. In order to use the default role,
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494 you must have already created it using the CLI.
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495
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496 :type service_role: str
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497 :param service_role: The IAM role that will be assumed by the Amazon
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498 EMR service to access AWS resources on your behalf.
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499
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500 :rtype: str
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501 :return: The jobflow id
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502 """
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503 params = {}
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504 if action_on_failure:
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505 params['ActionOnFailure'] = action_on_failure
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506 if log_uri:
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507 params['LogUri'] = log_uri
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508 params['Name'] = name
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509
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510 # Common instance args
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511 common_params = self._build_instance_common_args(ec2_keyname,
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512 availability_zone,
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513 keep_alive,
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514 hadoop_version)
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515 params.update(common_params)
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516
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517 # NB: according to the AWS API's error message, we must
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518 # "configure instances either using instance count, master and
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519 # slave instance type or instance groups but not both."
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520 #
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521 # Thus we switch here on the truthiness of instance_groups.
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522 if not instance_groups:
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523 # Instance args (the common case)
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524 instance_params = self._build_instance_count_and_type_args(
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525 master_instance_type,
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526 slave_instance_type,
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527 num_instances)
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528 params.update(instance_params)
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529 else:
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530 # Instance group args (for spot instances or a heterogenous cluster)
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531 list_args = self._build_instance_group_list_args(instance_groups)
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532 instance_params = dict(
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533 ('Instances.%s' % k, v) for k, v in six.iteritems(list_args)
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534 )
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535 params.update(instance_params)
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536
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537 # Debugging step from EMR API docs
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538 if enable_debugging:
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539 debugging_step = JarStep(name='Setup Hadoop Debugging',
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540 action_on_failure='TERMINATE_JOB_FLOW',
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541 main_class=None,
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542 jar=self.DebuggingJar,
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543 step_args=self.DebuggingArgs)
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544 steps.insert(0, debugging_step)
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545
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546 # Step args
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547 if steps:
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548 step_args = [self._build_step_args(step) for step in steps]
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549 params.update(self._build_step_list(step_args))
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550
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551 if bootstrap_actions:
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552 bootstrap_action_args = [self._build_bootstrap_action_args(bootstrap_action) for bootstrap_action in bootstrap_actions]
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553 params.update(self._build_bootstrap_action_list(bootstrap_action_args))
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554
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555 if ami_version:
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556 params['AmiVersion'] = ami_version
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557
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558 if additional_info is not None:
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559 params['AdditionalInfo'] = additional_info
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560
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561 if api_params:
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562 for key, value in six.iteritems(api_params):
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563 if value is None:
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564 params.pop(key, None)
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565 else:
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566 params[key] = value
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567
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568 if visible_to_all_users is not None:
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569 if visible_to_all_users:
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570 params['VisibleToAllUsers'] = 'true'
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571 else:
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572 params['VisibleToAllUsers'] = 'false'
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573
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574 if job_flow_role is not None:
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575 params['JobFlowRole'] = job_flow_role
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576
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577 if service_role is not None:
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578 params['ServiceRole'] = service_role
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579
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580 response = self.get_object(
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581 'RunJobFlow', params, RunJobFlowResponse, verb='POST')
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582 return response.jobflowid
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583
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584 def set_termination_protection(self, jobflow_id,
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585 termination_protection_status):
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586 """
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587 Set termination protection on specified Elastic MapReduce job flows
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588
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589 :type jobflow_ids: list or str
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590 :param jobflow_ids: A list of job flow IDs
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591
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592 :type termination_protection_status: bool
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593 :param termination_protection_status: Termination protection status
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594 """
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595 assert termination_protection_status in (True, False)
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596
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597 params = {}
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598 params['TerminationProtected'] = (termination_protection_status and "true") or "false"
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599 self.build_list_params(params, [jobflow_id], 'JobFlowIds.member')
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600
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601 return self.get_status('SetTerminationProtection', params, verb='POST')
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602
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603 def set_visible_to_all_users(self, jobflow_id, visibility):
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604 """
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605 Set whether specified Elastic Map Reduce job flows are visible to all IAM users
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606
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607 :type jobflow_ids: list or str
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608 :param jobflow_ids: A list of job flow IDs
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609
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610 :type visibility: bool
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611 :param visibility: Visibility
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612 """
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613 assert visibility in (True, False)
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614
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615 params = {}
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616 params['VisibleToAllUsers'] = (visibility and "true") or "false"
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617 self.build_list_params(params, [jobflow_id], 'JobFlowIds.member')
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618
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619 return self.get_status('SetVisibleToAllUsers', params, verb='POST')
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620
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621 def _build_bootstrap_action_args(self, bootstrap_action):
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622 bootstrap_action_params = {}
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623 bootstrap_action_params['ScriptBootstrapAction.Path'] = bootstrap_action.path
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624
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625 try:
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626 bootstrap_action_params['Name'] = bootstrap_action.name
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627 except AttributeError:
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628 pass
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629
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630 args = bootstrap_action.args()
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631 if args:
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632 self.build_list_params(bootstrap_action_params, args, 'ScriptBootstrapAction.Args.member')
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633
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634 return bootstrap_action_params
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635
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636 def _build_step_args(self, step):
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637 step_params = {}
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638 step_params['ActionOnFailure'] = step.action_on_failure
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639 step_params['HadoopJarStep.Jar'] = step.jar()
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640
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641 main_class = step.main_class()
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642 if main_class:
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643 step_params['HadoopJarStep.MainClass'] = main_class
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644
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645 args = step.args()
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646 if args:
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647 self.build_list_params(step_params, args, 'HadoopJarStep.Args.member')
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648
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649 step_params['Name'] = step.name
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650 return step_params
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651
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652 def _build_bootstrap_action_list(self, bootstrap_actions):
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653 if not isinstance(bootstrap_actions, list):
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654 bootstrap_actions = [bootstrap_actions]
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655
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656 params = {}
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657 for i, bootstrap_action in enumerate(bootstrap_actions):
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658 for key, value in six.iteritems(bootstrap_action):
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659 params['BootstrapActions.member.%s.%s' % (i + 1, key)] = value
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660 return params
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661
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662 def _build_step_list(self, steps):
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663 if not isinstance(steps, list):
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664 steps = [steps]
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665
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666 params = {}
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667 for i, step in enumerate(steps):
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668 for key, value in six.iteritems(step):
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669 params['Steps.member.%s.%s' % (i+1, key)] = value
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670 return params
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671
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672 def _build_string_list(self, field, items):
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673 if not isinstance(items, list):
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674 items = [items]
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675
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676 params = {}
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677 for i, item in enumerate(items):
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678 params['%s.member.%s' % (field, i + 1)] = item
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679 return params
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680
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681 def _build_tag_list(self, tags):
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682 assert isinstance(tags, dict)
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683
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684 params = {}
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685 for i, key_value in enumerate(sorted(six.iteritems(tags)), start=1):
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686 key, value = key_value
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687 current_prefix = 'Tags.member.%s' % i
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688 params['%s.Key' % current_prefix] = key
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689 if value:
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690 params['%s.Value' % current_prefix] = value
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691 return params
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692
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693 def _build_instance_common_args(self, ec2_keyname, availability_zone,
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694 keep_alive, hadoop_version):
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695 """
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696 Takes a number of parameters used when starting a jobflow (as
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697 specified in run_jobflow() above). Returns a comparable dict for
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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698 use in making a RunJobFlow request.
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699 """
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700 params = {
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701 'Instances.KeepJobFlowAliveWhenNoSteps': str(keep_alive).lower(),
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702 }
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703
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704 if hadoop_version:
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705 params['Instances.HadoopVersion'] = hadoop_version
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706 if ec2_keyname:
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707 params['Instances.Ec2KeyName'] = ec2_keyname
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708 if availability_zone:
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709 params['Instances.Placement.AvailabilityZone'] = availability_zone
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710
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711 return params
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diff changeset
712
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diff changeset
713 def _build_instance_count_and_type_args(self, master_instance_type,
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714 slave_instance_type, num_instances):
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diff changeset
715 """
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diff changeset
716 Takes a master instance type (string), a slave instance type
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parents:
diff changeset
717 (string), and a number of instances. Returns a comparable dict
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
718 for use in making a RunJobFlow request.
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parents:
diff changeset
719 """
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720 params = {'Instances.MasterInstanceType': master_instance_type,
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diff changeset
721 'Instances.SlaveInstanceType': slave_instance_type,
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diff changeset
722 'Instances.InstanceCount': num_instances}
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parents:
diff changeset
723 return params
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diff changeset
724
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725 def _build_instance_group_args(self, instance_group):
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726 """
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parents:
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727 Takes an InstanceGroup; returns a dict that, when its keys are
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728 properly prefixed, can be used for describing InstanceGroups in
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
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parents:
diff changeset
729 RunJobFlow or AddInstanceGroups requests.
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parents:
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730 """
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731 params = {'InstanceCount': instance_group.num_instances,
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diff changeset
732 'InstanceRole': instance_group.role,
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diff changeset
733 'InstanceType': instance_group.type,
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parents:
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734 'Name': instance_group.name,
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parents:
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735 'Market': instance_group.market}
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parents:
diff changeset
736 if instance_group.market == 'SPOT':
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737 params['BidPrice'] = instance_group.bidprice
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738 return params
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739
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740 def _build_instance_group_list_args(self, instance_groups):
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parents:
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741 """
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742 Takes a list of InstanceGroups, or a single InstanceGroup. Returns
d67268158946 planemo upload commit a3f181f5f126803c654b3a66dd4e83a48f7e203b
bcclaywell
parents:
diff changeset
743 a comparable dict for use in making a RunJobFlow or AddInstanceGroups
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parents:
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744 request.
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745 """
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746 if not isinstance(instance_groups, list):
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diff changeset
747 instance_groups = [instance_groups]
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748
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749 params = {}
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750 for i, instance_group in enumerate(instance_groups):
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751 ig_dict = self._build_instance_group_args(instance_group)
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parents:
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752 for key, value in six.iteritems(ig_dict):
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parents:
diff changeset
753 params['InstanceGroups.member.%d.%s' % (i+1, key)] = value
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parents:
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754 return params