heat/heat/cloudinit/loguserdata.py

61 lines
1.5 KiB
Python

#!/usr/bin/env python
import sys
import os
import subprocess
import datetime
import pkg_resources
from distutils.version import LooseVersion
import errno
path = '/var/lib/heat-cfntools'
def chk_ci_version():
v = LooseVersion(pkg_resources.get_distribution('cloud-init').version)
return v >= LooseVersion('0.6.0')
def create_log(path):
fd = os.open(path, os.O_WRONLY | os.O_CREAT, 0600)
return os.fdopen(fd, 'w')
def call(args, log):
log.write('%s\n' % ' '.join(args))
log.flush()
p = subprocess.Popen(args, stdout=log, stderr=log)
p.wait()
return p.returncode
def main(log):
if not chk_ci_version():
# pre 0.6.0 - user data executed via cloudinit, not this helper
log.write('Unable to log provisioning, need a newer version of'
' cloud-init\n')
return -1
userdata_path = os.path.join(path, 'cfn-userdata')
os.chmod(userdata_path, 0700)
log.write('Provision began: %s\n' % datetime.datetime.now())
log.flush()
returncode = call([userdata_path], log)
log.write('Provision done: %s\n' % datetime.datetime.now())
if returncode:
return returncode
if __name__ == '__main__':
with create_log('/var/log/heat-provision.log') as log:
returncode = main(log)
if returncode:
log.write('Provision failed')
sys.exit(returncode)
userdata_path = os.path.join(path, 'provision-finished')
with create_log(userdata_path) as log:
log.write('%s\n' % datetime.datetime.now())