x/vmware-nsx
Code Issues Proposed changes

Merge "Check for IPv6 file before reading"

Browse Source
This commit is contained in:
Jenkins 2014-08-30 00:20:38 +00:00 committed by Gerrit Code Review
commit 8c29430d00
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
neutron/common/ipv6_utils.py
View File

@ -16,10 +16,15 @@
""" """
IPv6-related utilities and helper functions. IPv6-related utilities and helper functions.
""" """
import os
import netaddr import netaddr
from neutron.openstack.common.gettextutils import _LI
from neutron.openstack.common import log
LOG = log.getLogger(__name__)
_IS_IPV6_ENABLED = None _IS_IPV6_ENABLED = None
@ -47,7 +52,12 @@ def is_enabled():
if _IS_IPV6_ENABLED is None: if _IS_IPV6_ENABLED is None:
disabled_ipv6_path = "/proc/sys/net/ipv6/conf/default/disable_ipv6" disabled_ipv6_path = "/proc/sys/net/ipv6/conf/default/disable_ipv6"
if os.path.exists(disabled_ipv6_path):
with open(disabled_ipv6_path, 'r') as f: with open(disabled_ipv6_path, 'r') as f:
disabled = f.read().strip() disabled = f.read().strip()
_IS_IPV6_ENABLED = disabled == "0" _IS_IPV6_ENABLED = disabled == "0"
else:
_IS_IPV6_ENABLED = False
if not _IS_IPV6_ENABLED:
LOG.info(_LI("IPv6 is not enabled on this system."))
return _IS_IPV6_ENABLED return _IS_IPV6_ENABLED