87 lines
2.6 KiB
Python
Executable File
87 lines
2.6 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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import json
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import logging
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import os
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import subprocess
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import sys
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import warnings
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# Ideally this path would be /var/lib/heat-cfntools/cfn-init-data
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# but this is where all boot metadata is stored
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LAST_METADATA_DIR = os.environ.get('HEAT_CFN_INIT_LAST_METADATA_DIR',
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'/var/cache/heat-cfntools')
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CFN_INIT_CMD = os.environ.get('HEAT_CFN_INIT_CMD',
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'cfn-init')
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def main(argv=sys.argv, stdin=sys.stdin, stdout=sys.stdout, stderr=sys.stderr):
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warnings.warn('This hook is deprecated, please use hooks from heat-agents '
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'repository instead.', DeprecationWarning)
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log = logging.getLogger('heat-config')
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handler = logging.StreamHandler(stderr)
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handler.setFormatter(
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logging.Formatter(
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'[%(asctime)s] (%(name)s) [%(levelname)s] %(message)s'))
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log.addHandler(handler)
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log.setLevel('DEBUG')
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c = json.load(stdin)
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config = c.get('config', {})
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if not isinstance(config, dict):
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config = json.loads(config)
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meta = {'AWS::CloudFormation::Init': config}
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if not os.path.isdir(LAST_METADATA_DIR):
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os.makedirs(LAST_METADATA_DIR, 0o700)
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fn = os.path.join(LAST_METADATA_DIR, 'last_metadata')
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with os.fdopen(os.open(fn, os.O_CREAT | os.O_WRONLY | os.O_TRUNC, 0o700),
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'w') as f:
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json.dump(meta, f)
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log.debug('Running %s' % CFN_INIT_CMD)
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subproc = subprocess.Popen([CFN_INIT_CMD], stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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cstdout, cstderr = subproc.communicate()
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if cstdout:
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log.info(cstdout)
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if cstderr:
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log.info(cstderr)
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if subproc.returncode:
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log.error("Error running %s. [%s]\n" % (
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CFN_INIT_CMD, subproc.returncode))
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else:
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log.info('Completed %s' % CFN_INIT_CMD)
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response = {
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'deploy_stdout': cstdout,
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'deploy_stderr': cstderr,
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'deploy_status_code': subproc.returncode,
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}
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json.dump(response, stdout)
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if __name__ == '__main__':
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sys.exit(main())
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