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annotate planemo/lib/python3.7/site-packages/boto/pyami/launch_ami.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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1 #!/usr/bin/env python
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2 # Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
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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 import getopt
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24 import sys
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25 import imp
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26 import time
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27 import boto
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28
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29 usage_string = """
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30 SYNOPSIS
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31 launch_ami.py -a ami_id [-b script_bucket] [-s script_name]
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32 [-m module] [-c class_name] [-r]
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33 [-g group] [-k key_name] [-n num_instances]
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34 [-w] [extra_data]
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35 Where:
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36 ami_id - the id of the AMI you wish to launch
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37 module - The name of the Python module containing the class you
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38 want to run when the instance is started. If you use this
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39 option the Python module must already be stored on the
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40 instance in a location that is on the Python path.
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41 script_file - The name of a local Python module that you would like
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42 to have copied to S3 and then run on the instance
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43 when it is started. The specified module must be
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44 import'able (i.e. in your local Python path). It
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45 will then be copied to the specified bucket in S3
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46 (see the -b option). Once the new instance(s)
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47 start up the script will be copied from S3 and then
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48 run locally on the instance.
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49 class_name - The name of the class to be instantiated within the
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50 module or script file specified.
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51 script_bucket - the name of the bucket in which the script will be
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52 stored
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53 group - the name of the security group the instance will run in
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54 key_name - the name of the keypair to use when launching the AMI
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55 num_instances - how many instances of the AMI to launch (default 1)
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56 input_queue_name - Name of SQS to read input messages from
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57 output_queue_name - Name of SQS to write output messages to
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58 extra_data - additional name-value pairs that will be passed as
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59 userdata to the newly launched instance. These should
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60 be of the form "name=value"
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61 The -r option reloads the Python module to S3 without launching
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62 another instance. This can be useful during debugging to allow
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63 you to test a new version of your script without shutting down
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64 your instance and starting up another one.
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65 The -w option tells the script to run synchronously, meaning to
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66 wait until the instance is actually up and running. It then prints
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67 the IP address and internal and external DNS names before exiting.
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68 """
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69
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70 def usage():
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71 print(usage_string)
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72 sys.exit()
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73
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74 def main():
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75 try:
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76 opts, args = getopt.getopt(sys.argv[1:], 'a:b:c:g:hi:k:m:n:o:rs:w',
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77 ['ami', 'bucket', 'class', 'group', 'help',
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78 'inputqueue', 'keypair', 'module',
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79 'numinstances', 'outputqueue',
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80 'reload', 'script_name', 'wait'])
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81 except:
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82 usage()
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83 params = {'module_name': None,
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84 'script_name': None,
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85 'class_name': None,
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86 'script_bucket': None,
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87 'group': 'default',
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88 'keypair': None,
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89 'ami': None,
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90 'num_instances': 1,
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91 'input_queue_name': None,
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92 'output_queue_name': None}
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93 reload = None
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94 wait = None
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95 for o, a in opts:
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96 if o in ('-a', '--ami'):
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97 params['ami'] = a
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98 if o in ('-b', '--bucket'):
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99 params['script_bucket'] = a
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100 if o in ('-c', '--class'):
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101 params['class_name'] = a
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102 if o in ('-g', '--group'):
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103 params['group'] = a
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104 if o in ('-h', '--help'):
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105 usage()
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106 if o in ('-i', '--inputqueue'):
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107 params['input_queue_name'] = a
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108 if o in ('-k', '--keypair'):
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109 params['keypair'] = a
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110 if o in ('-m', '--module'):
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111 params['module_name'] = a
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112 if o in ('-n', '--num_instances'):
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113 params['num_instances'] = int(a)
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114 if o in ('-o', '--outputqueue'):
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115 params['output_queue_name'] = a
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116 if o in ('-r', '--reload'):
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117 reload = True
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118 if o in ('-s', '--script'):
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119 params['script_name'] = a
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120 if o in ('-w', '--wait'):
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121 wait = True
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122
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123 # check required fields
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124 required = ['ami']
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125 for pname in required:
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126 if not params.get(pname, None):
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127 print('%s is required' % pname)
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128 usage()
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129 if params['script_name']:
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130 # first copy the desired module file to S3 bucket
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131 if reload:
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132 print('Reloading module %s to S3' % params['script_name'])
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133 else:
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134 print('Copying module %s to S3' % params['script_name'])
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135 l = imp.find_module(params['script_name'])
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136 c = boto.connect_s3()
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137 bucket = c.get_bucket(params['script_bucket'])
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138 key = bucket.new_key(params['script_name'] + '.py')
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139 key.set_contents_from_file(l[0])
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140 params['script_md5'] = key.md5
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141 # we have everything we need, now build userdata string
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142 l = []
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143 for k, v in params.items():
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144 if v:
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145 l.append('%s=%s' % (k, v))
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146 c = boto.connect_ec2()
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147 l.append('aws_access_key_id=%s' % c.aws_access_key_id)
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148 l.append('aws_secret_access_key=%s' % c.aws_secret_access_key)
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149 for kv in args:
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150 l.append(kv)
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151 s = '|'.join(l)
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152 if not reload:
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153 rs = c.get_all_images([params['ami']])
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154 img = rs[0]
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155 r = img.run(user_data=s, key_name=params['keypair'],
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156 security_groups=[params['group']],
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157 max_count=params.get('num_instances', 1))
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158 print('AMI: %s - %s (Started)' % (params['ami'], img.location))
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159 print('Reservation %s contains the following instances:' % r.id)
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160 for i in r.instances:
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161 print('\t%s' % i.id)
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162 if wait:
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163 running = False
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164 while not running:
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165 time.sleep(30)
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166 [i.update() for i in r.instances]
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167 status = [i.state for i in r.instances]
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168 print(status)
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169 if status.count('running') == len(r.instances):
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170 running = True
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171 for i in r.instances:
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172 print('Instance: %s' % i.ami_launch_index)
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173 print('Public DNS Name: %s' % i.public_dns_name)
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174 print('Private DNS Name: %s' % i.private_dns_name)
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175
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176 if __name__ == "__main__":
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177 main()