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70 lines
3.1 KiB
70 lines
3.1 KiB
7 years ago
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import os
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import argparse
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import json
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import time
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import datetime
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REGION_NAME = 'region_name'
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REGION_KEY = 'region_key'
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REGION_SECURITY_GROUP = 'region_security_group'
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REGION_HUMAN_NAME = 'region_human_name'
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INSTANCE_TYPE = 'm3.medium' # 't2.micro'
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AMI = 'ami-f2d3638a' # 'ami-a9d09ed1'
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# base64 userdata.sh
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7 years ago
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USER_DATA = 'IyEvYmluL2Jhc2gKUkVHSU9OPSQoY3VybCAxNjkuMjU0LjE2OS4yNTQvbGF0ZXN0L21ldGEtZGF0YS9wbGFjZW1lbnQvYXZhaWxhYmlsaXR5LXpvbmUvIHwgc2VkICdzL1thLXpdJC8vJykKeXVtIC15IHVwZGF0ZQp5dW0gaW5zdGFsbCAteSBydWJ5CmNkIC9ob21lL2VjMi11c2VyCmN1cmwgLU8gaHR0cHM6Ly9hd3MtY29kZWRlcGxveS0kUkVHSU9OLnMzLmFtYXpvbmF3cy5jb20vbGF0ZXN0L2luc3RhbGwKY2htb2QgK3ggLi9pbnN0YWxsCi4vaW5zdGFsbCBhdXRv'
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7 years ago
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IAM_INSTANCE_PROFILE = 'BenchMarkCodeDeployInstanceProfile'
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def read_configuration_file(filename):
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config = {}
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with open(filename,'r') as f:
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for line in f:
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vals = line.strip().split(',')
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region_num = vals[0]
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config[region_num] = {}
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config[region_num][REGION_NAME] = vals[1]
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config[region_num][REGION_KEY] = vals[2]
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config[region_num][REGION_SECURITY_GROUP] = vals[3]
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config[region_num][REGION_HUMAN_NAME] = vals[4]
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return config
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def create_launch_specification(region_num):
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input_cli = {}
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input_cli['ImageId'] = AMI
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# input_cli['Placement'] = {
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# "AvailabilityZone": config[region_num][REGION_NAME] +"a"
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# }
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input_cli['SecurityGroups'] = [ "richard-spot-instance SSH" ] # [ config[region_num][REGION_SECURITY_GROUP] ]
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input_cli['IamInstanceProfile'] = {
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"Name": IAM_INSTANCE_PROFILE
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}
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input_cli['KeyName'] = "richard-spot-instance" # config[region_num][REGION_KEY]
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input_cli['UserData'] = USER_DATA
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input_cli['InstanceType'] = INSTANCE_TYPE
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# folder = "launch_specs/" + "session-"+ current_session
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folder = "launch_specs/latest"
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if not os.path.exists(folder):
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os.makedirs(folder)
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launch_spec_file = os.path.join(folder,config[region_num][REGION_HUMAN_NAME]+".json")
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with open(launch_spec_file,'w') as g:
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json.dump(input_cli,g)
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print("Launch spec: %s" % launch_spec_file)
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return launch_spec_file
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def create_instances(region_list):
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for i in range(len(region_list)):
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region_num = region_list[i]
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launch_spec_file = create_launch_specification(region_num)
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='This script helps you start instances across multiple regions')
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parser.add_argument('--regions',type=str,dest='regions',default='3',help="a comma-separated-value list of all regions")
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# configuration file contains the number/name/security-group etc. information of each region.
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parser.add_argument('--config',type=str,dest='config',default='configuration.txt')
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args = parser.parse_args()
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config = read_configuration_file(args.config)
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region_list = args.regions.split(',')
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time_stamp = time.time()
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current_session = datetime.datetime.fromtimestamp(time_stamp).strftime('%Y-%m-%d-%H-%M-%S')
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print("current session is %s" % current_session)
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create_instances(region_list)
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