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'''
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Find and delete AWS resources matching the provided --match string. Unless
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--yes|-y is provided, the prompt for confirmation prior to deleting resources.
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Please use caution, you can easily delete you're *ENTIRE* EC2 infrastructure.
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'''
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import os
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import re
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import sys
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import boto
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import optparse
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import yaml
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import os.path
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import boto.ec2.elb
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import time
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def delete_aws_resources(get_func, attr, opts):
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for item in get_func():
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val = getattr(item, attr)
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if re.search(opts.match_re, val):
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prompt_and_delete(item, "Delete matching %s? [y/n]: " % (item,), opts.assumeyes)
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def delete_autoscaling_group(get_func, attr, opts):
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assumeyes = opts.assumeyes
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group_name = None
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for item in get_func():
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group_name = getattr(item, attr)
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if re.search(opts.match_re, group_name):
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if not opts.assumeyes:
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assumeyes = raw_input("Delete matching %s? [y/n]: " % (item).lower()) == 'y'
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break
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if assumeyes and group_name:
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groups = asg.get_all_groups(names=[group_name])
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if groups:
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group = groups[0]
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group.max_size = 0
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group.min_size = 0
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group.desired_capacity = 0
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group.update()
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instances = True
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while instances:
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tmp_groups = asg.get_all_groups(names=[group_name])
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if tmp_groups:
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tmp_group = tmp_groups[0]
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if not tmp_group.instances:
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instances = False
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time.sleep(10)
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group.delete()
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while len(asg.get_all_groups(names=[group_name])):
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time.sleep(5)
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print ("Terminated ASG: %s" % group_name)
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def delete_aws_eips(get_func, attr, opts):
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# the file might not be there if the integration test wasn't run
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try:
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eip_log = open(opts.eip_log, 'r').read().splitlines()
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except IOError:
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print opts.eip_log, 'not found.'
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return
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for item in get_func():
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val = getattr(item, attr)
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if val in eip_log:
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prompt_and_delete(item, "Delete matching %s? [y/n]: " % (item,), opts.assumeyes)
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def delete_aws_instances(reservation, opts):
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for list in reservation:
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for item in list.instances:
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prompt_and_delete(item, "Delete matching %s? [y/n]: " % (item,), opts.assumeyes)
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def prompt_and_delete(item, prompt, assumeyes):
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if not assumeyes:
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assumeyes = raw_input(prompt).lower() == 'y'
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assert hasattr(item, 'delete') or hasattr(item, 'terminate') , "Class <%s> has no delete or terminate attribute" % item.__class__
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if assumeyes:
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if hasattr(item, 'delete'):
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item.delete()
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print ("Deleted %s" % item)
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if hasattr(item, 'terminate'):
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item.terminate()
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print ("Terminated %s" % item)
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def parse_args():
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# Load details from credentials.yml
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default_aws_access_key = os.environ.get('AWS_ACCESS_KEY', None)
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default_aws_secret_key = os.environ.get('AWS_SECRET_KEY', None)
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if os.path.isfile('credentials.yml'):
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credentials = yaml.load(open('credentials.yml', 'r'))
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if default_aws_access_key is None:
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default_aws_access_key = credentials['ec2_access_key']
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if default_aws_secret_key is None:
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default_aws_secret_key = credentials['ec2_secret_key']
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parser = optparse.OptionParser(usage="%s [options]" % (sys.argv[0],),
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description=__doc__)
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parser.add_option("--access",
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action="store", dest="ec2_access_key",
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default=default_aws_access_key,
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help="Amazon ec2 access id. Can use EC2_ACCESS_KEY environment variable, or a values from credentials.yml.")
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parser.add_option("--secret",
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action="store", dest="ec2_secret_key",
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default=default_aws_secret_key,
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help="Amazon ec2 secret key. Can use EC2_SECRET_KEY environment variable, or a values from credentials.yml.")
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parser.add_option("--eip-log",
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action="store", dest="eip_log",
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default = None,
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help = "Path to log of EIPs created during test.")
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parser.add_option("--integration-config",
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action="store", dest="int_config",
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default = "integration_config.yml",
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help = "path to integration config")
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parser.add_option("--credentials", "-c",
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action="store", dest="credential_file",
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default="credentials.yml",
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help="YAML file to read cloud credentials (default: %default)")
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parser.add_option("--yes", "-y",
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action="store_true", dest="assumeyes",
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default=False,
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help="Don't prompt for confirmation")
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parser.add_option("--match",
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action="store", dest="match_re",
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default="^ansible-testing-",
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help="Regular expression used to find AWS resources (default: %default)")
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(opts, args) = parser.parse_args()
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for required in ['ec2_access_key', 'ec2_secret_key']:
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if getattr(opts, required) is None:
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parser.error("Missing required parameter: --%s" % required)
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return (opts, args)
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if __name__ == '__main__':
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(opts, args) = parse_args()
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int_config = yaml.load(open(opts.int_config).read())
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if not opts.eip_log:
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output_dir = os.path.expanduser(int_config["output_dir"])
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opts.eip_log = output_dir + '/' + opts.match_re.replace('^','') + '-eip_integration_tests.log'
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# Connect to AWS
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aws = boto.connect_ec2(aws_access_key_id=opts.ec2_access_key,
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aws_secret_access_key=opts.ec2_secret_key)
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elb = boto.connect_elb(aws_access_key_id=opts.ec2_access_key,
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aws_secret_access_key=opts.ec2_secret_key)
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asg = boto.connect_autoscale(aws_access_key_id=opts.ec2_access_key,
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aws_secret_access_key=opts.ec2_secret_key)
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try:
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# Delete matching keys
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delete_aws_resources(aws.get_all_key_pairs, 'name', opts)
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# Delete matching security groups
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delete_aws_resources(aws.get_all_security_groups, 'name', opts)
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# Delete matching ASGs
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delete_autoscaling_group(asg.get_all_groups, 'name', opts)
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# Delete matching launch configs
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delete_aws_resources(asg.get_all_launch_configurations, 'name', opts)
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# Delete ELBs
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delete_aws_resources(elb.get_all_load_balancers, 'name', opts)
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# Delete recorded EIPs
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delete_aws_eips(aws.get_all_addresses, 'public_ip', opts)
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# Delete temporary instances
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filters = {"tag:Name":opts.match_re.replace('^',''), "instance-state-name": ['running', 'pending', 'stopped' ]}
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delete_aws_instances(aws.get_all_instances(filters=filters), opts)
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except KeyboardInterrupt as e:
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print "\nExiting on user command."
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