/usr/bin/cfn-signal is in heat-cfntools 1.2.5-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | #! /usr/bin/python
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Implements cfn-signal CloudFormation functionality
"""
import argparse
import logging
import sys
from heat_cfntools.cfntools import cfn_helper
description = " "
parser = argparse.ArgumentParser(description=description)
parser.add_argument('-s', '--success',
dest="success",
help="signal status to report",
default='true',
required=False)
parser.add_argument('-r', '--reason',
dest="reason",
help="The reason for the failure",
default="Configuration Complete",
required=False)
parser.add_argument('-d', '--data',
dest="data",
default="Application has completed configuration.",
help="The data to send",
required=False)
parser.add_argument('-i', '--id',
dest="unique_id",
help="the unique id to send back to the WaitCondition",
default='00000',
required=False)
parser.add_argument('-e', '--exit',
dest="exit_code",
help="The exit code from a procecc to interpret",
default=None,
required=False)
parser.add_argument('url',
help='the url to post to')
args = parser.parse_args()
log_format = '%(levelname)s [%(asctime)s] %(message)s'
logging.basicConfig(format=log_format, level=logging.DEBUG)
LOG = logging.getLogger('cfntools')
log_file_name = "/var/log/cfn-signal.log"
file_handler = logging.FileHandler(log_file_name)
file_handler.setFormatter(logging.Formatter(log_format))
LOG.addHandler(file_handler)
LOG.debug('cfn-signal called %s ' % (str(args)))
status = 'FAILURE'
if args.exit_code:
# "exit_code" takes presedence over "success".
if args.exit_code == '0':
status = 'SUCCESS'
else:
if args.success == 'true':
status = 'SUCCESS'
body = {
"Status": status,
"Reason": args.reason,
"UniqueId": args.unique_id,
"Data": args.data
}
cmd_str = "curl -X PUT -H \'Content-Type:\' --data-binary \'%s\' \"%s\"" % \
(cfn_helper.json.dumps(body), args.url)
command = cfn_helper.CommandRunner(cmd_str).run()
sys.exit(command.status)
|