ansible/test/integration/cleanup_ec2.py

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2014-02-24 20:37:23 +01:00
'''
Find and delete AWS resources matching the provided --match string. Unless
--yes|-y is provided, the prompt for confirmation prior to deleting resources.
Please use caution, you can easily delete you're *ENTIRE* EC2 infrastructure.
'''
import os
import re
import sys
import boto
import optparse
import yaml
def delete_aws_resources(get_func, attr, opts):
for item in get_func():
val = getattr(item, attr)
if re.search(opts.match_re, val):
prompt_and_delete(item, "Delete matching %s? [y/n]: " % (item,), opts.assumeyes)
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def prompt_and_delete(item, prompt, assumeyes):
if not assumeyes:
assumeyes = raw_input(prompt).lower() == 'y'
assert hasattr(item, 'delete'), "Class <%s> has no delete attribute" % item.__class__
if assumeyes:
item.delete()
print ("Deleted %s" % item)
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def parse_args():
# Load details from credentials.yml
default_aws_access_key = os.environ.get('AWS_ACCESS_KEY', None)
default_aws_secret_key = os.environ.get('AWS_SECRET_KEY', None)
if os.path.isfile('credentials.yml'):
credentials = yaml.load(open('credentials.yml', 'r'))
if default_aws_access_key is None:
default_aws_access_key = credentials['ec2_access_key']
if default_aws_secret_key is None:
default_aws_secret_key = credentials['ec2_secret_key']
parser = optparse.OptionParser(usage="%s [options]" % (sys.argv[0],),
description=__doc__)
parser.add_option("--access",
action="store", dest="ec2_access_key",
default=default_aws_access_key,
help="Amazon ec2 access id. Can use EC2_ACCESS_KEY environment variable, or a values from credentials.yml.")
parser.add_option("--secret",
action="store", dest="ec2_secret_key",
default=default_aws_secret_key,
help="Amazon ec2 secret key. Can use EC2_SECRET_KEY environment variable, or a values from credentials.yml.")
parser.add_option("--credentials", "-c",
action="store", dest="credential_file",
default="credentials.yml",
help="YAML file to read cloud credentials (default: %default)")
parser.add_option("--yes", "-y",
action="store_true", dest="assumeyes",
default=False,
help="Don't prompt for confirmation")
parser.add_option("--match",
action="store", dest="match_re",
default="^ansible-testing-",
help="Regular expression used to find AWS resources (default: %default)")
(opts, args) = parser.parse_args()
for required in ['ec2_access_key', 'ec2_secret_key']:
if getattr(opts, required) is None:
parser.error("Missing required parameter: --%s" % required)
return (opts, args)
if __name__ == '__main__':
(opts, args) = parse_args()
# Connect to AWS
aws = boto.connect_ec2(aws_access_key_id=opts.ec2_access_key,
aws_secret_access_key=opts.ec2_secret_key)
try:
# Delete matching keys
delete_aws_resources(aws.get_all_key_pairs, 'name', opts)
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# Delete matching groups
delete_aws_resources(aws.get_all_security_groups, 'name', opts)
except KeyboardInterrupt, e:
print "\nExiting on user command."