bf603c75cc
A scenario for self-healing and auto-scaling with Heat, Mistral, Zaqar, and Aodh. Change-Id: I652c3b0e0caa433bfd08c0cb35b21507f0897889
100 lines
3.0 KiB
Python
Executable File
100 lines
3.0 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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WORKING_DIR = os.environ.get('HEAT_SCRIPT_WORKING',
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'/var/lib/heat-config/heat-config-script')
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OUTPUTS_DIR = os.environ.get('HEAT_SCRIPT_OUTPUTS',
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'/var/run/heat-config/heat-config-script')
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def prepare_dir(path):
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if not os.path.isdir(path):
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os.makedirs(path, 0o700)
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def main(argv=sys.argv):
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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(sys.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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prepare_dir(OUTPUTS_DIR)
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prepare_dir(WORKING_DIR)
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os.chdir(WORKING_DIR)
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c = json.load(sys.stdin)
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env = os.environ.copy()
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for input in c['inputs']:
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input_name = input['name']
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value = input.get('value', '')
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if isinstance(value, dict) or isinstance(value, list):
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env[input_name] = json.dumps(value)
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else:
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env[input_name] = value
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log.info('%s=%s' % (input_name, env[input_name]))
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fn = os.path.join(WORKING_DIR, c['id'])
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heat_outputs_path = os.path.join(OUTPUTS_DIR, c['id'])
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env['heat_outputs_path'] = heat_outputs_path
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with os.fdopen(os.open(fn, os.O_CREAT | os.O_WRONLY, 0o700), 'w') as f:
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f.write(c.get('config', '').encode('utf-8'))
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log.debug('Running %s' % fn)
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subproc = subprocess.Popen([fn], stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, env=env)
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stdout, stderr = subproc.communicate()
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log.info(stdout)
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log.debug(stderr)
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if subproc.returncode:
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log.error("Error running %s. [%s]\n" % (fn, subproc.returncode))
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else:
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log.info('Completed %s' % fn)
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response = {}
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for output in c.get('outputs') or []:
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output_name = output['name']
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try:
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with open('%s.%s' % (heat_outputs_path, output_name)) as out:
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response[output_name] = out.read()
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except IOError:
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pass
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response.update({
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'deploy_stdout': stdout,
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'deploy_stderr': stderr,
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'deploy_status_code': subproc.returncode,
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})
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json.dump(response, sys.stdout)
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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