107 lines
3.5 KiB
Python
Executable File
107 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Implements cfn-signal CloudFormation functionality
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"""
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import argparse
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import logging
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import sys
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from heat_cfntools.cfntools import cfn_helper
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description = " "
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parser = argparse.ArgumentParser(description=description)
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parser.add_argument('-s', '--success',
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dest="success",
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help="signal status to report",
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default='true',
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required=False)
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parser.add_argument('-r', '--reason',
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dest="reason",
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help="The reason for the failure",
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default="Configuration Complete",
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required=False)
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parser.add_argument('-d', '--data',
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dest="data",
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default="Application has completed configuration.",
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help="The data to send",
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required=False)
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parser.add_argument('-i', '--id',
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dest="unique_id",
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help="the unique id to send back to the WaitCondition",
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default=None,
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required=False)
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parser.add_argument('-e', '--exit-code',
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dest="exit_code",
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help="The exit code from a process to interpret",
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default=None,
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required=False)
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parser.add_argument('--exit',
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dest="exit",
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help="DEPRECATED! Use -e or --exit-code instead.",
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default=None,
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required=False)
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parser.add_argument('url',
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help='the url to post to')
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args = parser.parse_args()
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log_format = '%(levelname)s [%(asctime)s] %(message)s'
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log_file_name = "/var/log/cfn-signal.log"
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logging.basicConfig(filename=log_file_name,
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format=log_format,
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level=logging.DEBUG)
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LOG = logging.getLogger('cfntools')
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LOG.debug('cfn-signal called %s ' % (str(args)))
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if args.exit:
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LOG.warning('--exit DEPRECATED! Use -e or --exit-code instead.')
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status = 'FAILURE'
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exit_code = args.exit_code or args.exit
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if exit_code:
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# "exit_code" takes precedence over "success".
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if exit_code == '0':
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status = 'SUCCESS'
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else:
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if args.success == 'true':
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status = 'SUCCESS'
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unique_id = args.unique_id
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if unique_id is None:
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LOG.debug('No id passed from the command line')
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md = cfn_helper.Metadata('not-used', None)
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unique_id = md.get_instance_id()
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if unique_id is None:
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LOG.error('Could not get the instance id from metadata!')
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import socket
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unique_id = socket.getfqdn()
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LOG.debug('id: %s' % (unique_id))
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body = {
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"Status": status,
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"Reason": args.reason,
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"UniqueId": unique_id,
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"Data": args.data
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}
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cmd_str = "curl -X PUT -H \'Content-Type:\' --data-binary \'%s\' \"%s\"" % \
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(cfn_helper.json.dumps(body), args.url)
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command = cfn_helper.CommandRunner(cmd_str).run()
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if command.status != 0:
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LOG.error(command.stderr)
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sys.exit(command.status)
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