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-rw-r--r--python/vyos/validate.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/python/vyos/validate.py b/python/vyos/validate.py
index 9aa23d3dc..83862b722 100644
--- a/python/vyos/validate.py
+++ b/python/vyos/validate.py
@@ -111,6 +111,24 @@ def is_addr_assigned(addr):
return False
+def is_afi_configured(interface, afi):
+ """ Check if given address family is configured, or in other words - an IP
+ address is assigned to the interface. """
+ from netifaces import ifaddresses
+ from netifaces import AF_INET
+ from netifaces import AF_INET6
+
+ if afi not in [AF_INET, AF_INET6]:
+ raise ValueError('Address family must be in [AF_INET, AF_INET6]')
+
+ try:
+ addresses = ifaddresses(interface)
+ except ValueError as e:
+ print(e)
+ return False
+
+ return afi in addresses
+
def is_loopback_addr(addr):
""" Check if supplied IPv4/IPv6 address is a loopback address """
from ipaddress import ip_address