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105 lines
3.8 KiB
Python
105 lines
3.8 KiB
Python
'''
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Find and delete GCE 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 your *ENTIRE* GCE 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 optparse
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import yaml
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try:
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from libcloud.compute.types import Provider
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from libcloud.compute.providers import get_driver
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from libcloud.common.google import GoogleBaseError, QuotaExceededError, \
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ResourceExistsError, ResourceInUseError, ResourceNotFoundError
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_ = Provider.GCE
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except ImportError:
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print("failed=True " + \
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"msg='libcloud with GCE support (0.13.3+) required for this module'")
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sys.exit(1)
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def delete_gce_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, re.IGNORECASE):
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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, 'destroy'), "Class <%s> has no delete attribute" % item.__class__
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if assumeyes:
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item.destroy()
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print ("Deleted %s" % item)
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def parse_args():
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default_service_account_email = None
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default_pem_file = None
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default_project_id = None
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# Load details from credentials.yml
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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_service_account_email is None:
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default_service_account_email = credentials['gce_service_account_email']
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if default_pem_file is None:
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default_pem_file = credentials['gce_pem_file']
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if default_project_id is None:
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default_project_id = credentials['gce_project_id']
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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("--service_account_email",
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action="store", dest="service_account_email",
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default=default_service_account_email,
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help="GCE service account email. Default is loaded from credentials.yml.")
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parser.add_option("--pem_file",
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action="store", dest="pem_file",
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default=default_pem_file,
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help="GCE client key. Default is loaded from credentials.yml.")
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parser.add_option("--project_id",
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action="store", dest="project_id",
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default=default_project_id,
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help="Google Cloud project ID. Default is loaded 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 GCE resources (default: %default)")
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(opts, args) = parser.parse_args()
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for required in ['service_account_email', 'pem_file', 'project_id']:
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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 GCE
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gce_cls = get_driver(Provider.GCE)
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gce = gce_cls(
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opts.service_account_email, opts.pem_file, project=opts.project_id)
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try:
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# Delete matching instances
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delete_gce_resources(gce.list_nodes, 'name', opts)
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# Delete matching disks
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delete_gce_resources(gce.list_volumes, 'name', opts)
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except KeyboardInterrupt, e:
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print "\nExiting on user command."
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