74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
#!/usr/bin/env python
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import errno
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import datetime
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import pkg_resources
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import os
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import subprocess
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import sys
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from distutils.version import LooseVersion
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VAR_PATH = '/var/lib/heat-cfntools'
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def chk_ci_version():
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v = LooseVersion(pkg_resources.get_distribution('cloud-init').version)
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return v >= LooseVersion('0.6.0')
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def create_log(log_path):
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fd = os.open(log_path, os.O_WRONLY | os.O_CREAT, 0600)
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return os.fdopen(fd, 'w')
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def call(args, logger):
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logger.write('%s\n' % ' '.join(args))
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logger.flush()
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try:
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p = subprocess.Popen(args, stdout=logger, stderr=logger)
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p.wait()
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except OSError as ex:
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if ex.errno == errno.ENOEXEC:
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logger.write('Userdata empty or not executable: %s\n' % str(ex))
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return os.EX_OK
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else:
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logger.write('OS error running userdata: %s\n' % str(ex))
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return os.EX_OSERR
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except Exception as ex:
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logger.write('Unknown error running userdata: %s\n' % str(ex))
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return os.EX_SOFTWARE
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return p.returncode
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def main(logger):
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if not chk_ci_version():
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# pre 0.6.0 - user data executed via cloudinit, not this helper
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logger.write('Unable to log provisioning, need a newer version of'
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' cloud-init\n')
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return -1
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userdata_path = os.path.join(VAR_PATH, 'cfn-userdata')
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os.chmod(userdata_path, 0700)
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logger.write('Provision began: %s\n' % datetime.datetime.now())
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logger.flush()
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returncode = call([userdata_path], logger)
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logger.write('Provision done: %s\n' % datetime.datetime.now())
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if returncode:
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return returncode
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if __name__ == '__main__':
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with create_log('/var/log/heat-provision.log') as log:
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code = main(log)
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if code:
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log.write('Provision failed')
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sys.exit(code)
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provision_log = os.path.join(VAR_PATH, 'provision-finished')
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with create_log(provision_log) as log:
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log.write('%s\n' % datetime.datetime.now())
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