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82 lines
3.0 KiB
Python
82 lines
3.0 KiB
Python
'''
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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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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 object with %s=%s? [y/n]: " % (attr, val), 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'), "Class <%s> has no delete attribute" % item.__class__
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if assumeyes:
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item.delete()
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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("--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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# 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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# Delete matching keys
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delete_aws_resources(aws.get_all_key_pairs, 'name', opts)
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# Delete matching groups
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delete_aws_resources(aws.get_all_security_groups, 'name', opts)
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