diff options
Diffstat (limited to 'python/vyos/utils')
| -rw-r--r-- | python/vyos/utils/network.py | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/python/vyos/utils/network.py b/python/vyos/utils/network.py index bc6899e45..c96ee4eed 100644 --- a/python/vyos/utils/network.py +++ b/python/vyos/utils/network.py @@ -429,7 +429,7 @@ def is_subnet_connected(subnet, primary=False): return False -def is_afi_configured(interface, afi): +def is_afi_configured(interface: str, afi): """ Check if given address family is configured, or in other words - an IP address is assigned to the interface. """ from netifaces import ifaddresses @@ -446,3 +446,46 @@ def is_afi_configured(interface, afi): return False return afi in addresses + +def get_vxlan_vlan_tunnels(interface: str) -> list: + """ Return a list of strings with VLAN IDs configured in the Kernel """ + from json import loads + from vyos.utils.process import cmd + + if not interface.startswith('vxlan'): + raise ValueError('Only applicable for VXLAN interfaces!') + + # Determine current OS Kernel configured VLANs + # + # $ bridge -j -p vlan tunnelshow dev vxlan0 + # [ { + # "ifname": "vxlan0", + # "tunnels": [ { + # "vlan": 10, + # "vlanEnd": 11, + # "tunid": 10010, + # "tunidEnd": 10011 + # },{ + # "vlan": 20, + # "tunid": 10020 + # } ] + # } ] + # + os_configured_vlan_ids = [] + tmp = loads(cmd(f'bridge --json vlan tunnelshow dev {interface}')) + if tmp: + for tunnel in tmp[0].get('tunnels', {}): + vlanStart = tunnel['vlan'] + if 'vlanEnd' in tunnel: + vlanEnd = tunnel['vlanEnd'] + # Build a real list for user VLAN IDs + vlan_list = list(range(vlanStart, vlanEnd +1)) + # Convert list of integers to list or strings + os_configured_vlan_ids.extend(map(str, vlan_list)) + # Proceed with next tunnel - this one is complete + continue + + # Add single tunel id - not part of a range + os_configured_vlan_ids.append(str(vlanStart)) + + return os_configured_vlan_ids |