def validate_template(template_name):
template_file = open("templates/%s.template" % template_name, "r")
cf_conn = AWS.get_cf_connection()
print "Attempting to validate %s template" % template_name
# use a try catch because boto throws an exception.
# it's pretty bad on their part but whatever.
try:
cf_conn.validate_template(template_body=template_file.read())
print "AWS claims no problems!"
except boto.exception.BotoServerError, e:
# and the exception contains the error message!
print e
def main():
# arg parse
parser = argparse.ArgumentParser(description="Command Line Tools for HCS Cloud Machines.")
group = parser.add_mutually_exclusive_group()
parser.add_argument(
"--list_resources", "-l", help="list AWS resources. supports 'stacks','servers','dns','rds'", default=None
)
# use a group because these are exclusive flags
group.add_argument("--create", "-c", help="create a new HCS server from template", default=None)
group.add_argument(
"--purge", "-p", help="purges all cloudformation stacks that were rolled back", action="store_true"
)
group.add_argument("--destroy", "-d", help="destroys specified stack", default=None)
# this will cause boto to create a log file in your working directory
parser.add_argument("--verbose", help="turn on boto logger for debugging", action="store_true")
parser.add_argument("--level", help="verbosity level if verbose mode enabled", type=int, default=10)
# option to validate templates
parser.add_argument(
"--validate", "-v", help="validate an AWS template. must be located in the templates folder", default=None
)
# option to reboot things.
parser.add_argument("--reboot", "-r", help="reboot a service instance. supports 'rds'", default=None)
args = parser.parse_args()
if args.verbose:
boto.set_file_logger("hcs-cloudrunner", filepath="./boto.log", level=args.level)
if args.create is not None:
print "Creating a %s server" % args.create
create_stack(args.create)
elif args.list_resources is not None:
if args.list_resources.lower() == "stacks":
get_active_stacks(AWS.get_cf_connection())
elif args.list_resources.lower() == "servers":
print_servers()
elif args.list_resources.lower() == "dns":
print_dns()
elif args.list_resources.lower() == "rds":
RDS.view_databases()
else:
print "Resource type not supported!"
elif args.purge:
cf_conn = AWS.get_cf_connection()
purge_stacks(cf_conn)
elif args.destroy is not None:
cf_conn = AWS.get_cf_connection()
print "WARNING!"
print "THIS WILL PERMANENTLY DESTROY RESOURCES!"
print "I'm going to confirm your action. Use ctrl+c to quit!"
# generate a random 5 char sequence
pw = "".join(random.choice(string.ascii_uppercase + string.digits) for a in range(5))
print "Are you sure you want to destroy the stack: [ " + args.destroy + " ] ?"
match = raw_input("Type in the passkey to confirm: " + pw + " ")
if match != pw:
print "Stopped deletion!"
return
finalcountdown = raw_input("Are you REALLY sure? There's no going back! [ Type YES ] ")
if finalcountdown.upper() == "YES":
destroy_stack(cf_conn, args.destroy)
else:
print "Stopped deletion!"
elif args.validate is not None:
validate_template(args.validate)
elif args.reboot is not None:
if args.reboot.lower() == "rds":
RDS.restart_database()
else:
parser.print_help()
