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author | Christian Poessinger <christian@poessinger.com> | 2022-03-30 19:18:09 +0200 |
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committer | Christian Poessinger <christian@poessinger.com> | 2022-03-30 19:18:53 +0200 |
commit | df0fbfeedce0f163e9d10be21d58ad4dc797a28a (patch) | |
tree | dff16ecf9f1cebf3bd1a1525c30c27d3c0a1a375 /python/vyos | |
parent | bafb1973d906707cb571385e994a949d0d90b645 (diff) | |
download | vyos-1x-df0fbfeedce0f163e9d10be21d58ad4dc797a28a.tar.gz vyos-1x-df0fbfeedce0f163e9d10be21d58ad4dc797a28a.zip |
vyos.util: T4319: add is_ipv6_enabled() helper function
Diffstat (limited to 'python/vyos')
-rwxr-xr-x | python/vyos/ifconfig/interface.py | 4 | ||||
-rw-r--r-- | python/vyos/ifconfig/loopback.py | 13 | ||||
-rw-r--r-- | python/vyos/util.py | 4 |
3 files changed, 11 insertions, 10 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py index 4fda1c0a9..22265cc3c 100755 --- a/python/vyos/ifconfig/interface.py +++ b/python/vyos/ifconfig/interface.py @@ -39,7 +39,7 @@ from vyos.util import read_file from vyos.util import get_interface_config from vyos.util import get_interface_namespace 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 @@ -1498,7 +1498,7 @@ 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(): # Configure MSS value for IPv6 TCP connections tmp = dict_search('ipv6.adjust_mss', config) value = tmp if (tmp != None) else '0' 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 f46775490..f3f323c34 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -1019,3 +1019,7 @@ 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') |