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authorChristian Poessinger <christian@poessinger.com>2022-03-30 19:18:09 +0200
committerChristian Poessinger <christian@poessinger.com>2022-03-30 23:10:14 +0200
commite3626da307d66c34e4ce12c7c38cdb8fa5da9889 (patch)
tree5288c5d59deabccee725b974caeae4643b26a254 /python/vyos
parentadda3d86080bb3b8fe26424c7d829e40eb9e2b23 (diff)
downloadvyos-1x-e3626da307d66c34e4ce12c7c38cdb8fa5da9889.tar.gz
vyos-1x-e3626da307d66c34e4ce12c7c38cdb8fa5da9889.zip
vyos.util: T4319: add is_ipv6_enabled() helper function
(cherry picked from commit df0fbfeedce0f163e9d10be21d58ad4dc797a28a)
Diffstat (limited to 'python/vyos')
-rw-r--r--python/vyos/ifconfig/interface.py4
-rw-r--r--python/vyos/ifconfig/loopback.py13
-rw-r--r--python/vyos/util.py4
3 files changed, 11 insertions, 10 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index a2fa96d82..99a06b1dd 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -38,7 +38,7 @@ from vyos.util import dict_search
from vyos.util import read_file
from vyos.util import get_interface_config
from vyos.util import is_systemd_service_active
-from vyos.util import sysctl_read
+from vyos.util import is_ipv6_enabled
from vyos.template import is_ipv4
from vyos.template import is_ipv6
from vyos.validate import is_intf_addr_assigned
@@ -1359,7 +1359,7 @@ class Interface(Control):
self.set_ipv4_source_validation(value)
# Only change IPv6 parameters if IPv6 was not explicitly disabled
- if sysctl_read('net.ipv6.conf.all.disable_ipv6') == '0':
+ if is_ipv6_enabled():
# IPv6 forwarding
tmp = dict_search('ipv6.disable_forwarding', config)
value = '0' if (tmp != None) else '1'
diff --git a/python/vyos/ifconfig/loopback.py b/python/vyos/ifconfig/loopback.py
index de554ef44..30c890fdf 100644
--- a/python/vyos/ifconfig/loopback.py
+++ b/python/vyos/ifconfig/loopback.py
@@ -13,9 +13,8 @@
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
-import vyos.util
-
from vyos.ifconfig.interface import Interface
+from vyos.util import is_ipv6_enabled
@Interface.register
class LoopbackIf(Interface):
@@ -34,8 +33,6 @@ class LoopbackIf(Interface):
}
}
- name = 'loopback'
-
def remove(self):
"""
Loopback interface can not be deleted from operating system. We can
@@ -62,11 +59,11 @@ class LoopbackIf(Interface):
on any interface. """
addr = config.get('address', [])
- # We must ensure that the loopback addresses are never deleted from the system
- addr += ['127.0.0.1/8']
- if (vyos.util.sysctl_read('net.ipv6.conf.all.disable_ipv6') == '0'):
- addr += ['::1/128']
+ # We must ensure that the loopback addresses are never deleted from the system
+ addr.append('127.0.0.1/8')
+ if is_ipv6_enabled():
+ addr.append('::1/128')
# Update IP address entry in our dictionary
config.update({'address' : addr})
diff --git a/python/vyos/util.py b/python/vyos/util.py
index b5d81fba5..4283e604c 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -827,3 +827,7 @@ def sysctl_write(name, value):
call(f'sysctl -wq {name}={value}')
return True
return False
+
+def is_ipv6_enabled() -> bool:
+ """ Check if IPv6 support on the system is enabled or not """
+ return (sysctl_read('net.ipv6.conf.all.disable_ipv6') == '0')