Try to get the version of cloud init via popen

Now we can fail while trying to get the version of cloud-init
via pkg_resources. Try to get the version via ordinary cmd call
'cloud-init --version'.

Change-Id: I39d4d52ba1ac83183a0a46c7f3a70a14b782562a
Closes-Bug: #1481614
changes/44/209844/4
Oleksii Chuprykov 8 years ago
parent cd10238cce
commit 04eedc46b8

@ -17,6 +17,7 @@ from distutils import version
import errno
import logging
import os
import re
import subprocess
import sys
@ -28,9 +29,20 @@ LOG = logging.getLogger('heat-provision')
def chk_ci_version():
v = version.LooseVersion(
pkg_resources.get_distribution('cloud-init').version)
return v >= version.LooseVersion('0.6.0')
try:
v = version.LooseVersion(
pkg_resources.get_distribution('cloud-init').version)
return v >= version.LooseVersion('0.6.0')
except Exception:
pass
data = subprocess.Popen(['cloud-init', '--version'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE).communicate()
if data[0]:
raise Exception()
# data[1] has such format: 'cloud-init 0.7.5\n', need to parse version
v = re.split(' |\n', data[1])[1].split('.')
return tuple(v) >= tuple('0', '6', '0')
def init_logging():
@ -74,11 +86,15 @@ def call(args):
def main():
if not chk_ci_version():
# pre 0.6.0 - user data executed via cloudinit, not this helper
LOG.error('Unable to log provisioning, need a newer version of '
'cloud-init')
return -1
try:
if not chk_ci_version():
# pre 0.6.0 - user data executed via cloudinit, not this helper
LOG.error('Unable to log provisioning, need a newer version of '
'cloud-init')
return -1
except Exception:
LOG.warning('Can not determine the version of cloud-init. It is '
'possible to get errors while logging provisioning.')
userdata_path = os.path.join(VAR_PATH, 'cfn-userdata')
os.chmod(userdata_path, int("700", 8))

Loading…
Cancel
Save