diff options
Diffstat (limited to 'python/vyos')
| -rwxr-xr-x | python/vyos/ifconfig/interface.py | 43 | ||||
| -rw-r--r-- | python/vyos/util.py | 18 |
2 files changed, 61 insertions, 0 deletions
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py index 58d130ef6..bcb692697 100755 --- a/python/vyos/ifconfig/interface.py +++ b/python/vyos/ifconfig/interface.py @@ -37,6 +37,7 @@ from vyos.util import mac2eui64 from vyos.util import dict_search 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.template import is_ipv4 from vyos.template import is_ipv6 @@ -135,6 +136,9 @@ class Interface(Control): 'validate': assert_mtu, 'shellcmd': 'ip link set dev {ifname} mtu {value}', }, + 'netns': { + 'shellcmd': 'ip link set dev {ifname} netns {value}', + }, 'vrf': { 'convert': lambda v: f'master {v}' if v else 'nomaster', 'shellcmd': 'ip link set dev {ifname} {value}', @@ -512,6 +516,35 @@ class Interface(Control): if prev_state == 'up': self.set_admin_state('up') + def del_netns(self, netns): + """ + Remove interface from given NETNS. + """ + + # If NETNS does not exist then there is nothing to delete + if not os.path.exists(f'/run/netns/{netns}'): + return None + + # As a PoC we only allow 'dummy' interfaces + if 'dum' not in self.ifname: + return None + + # Check if interface realy exists in namespace + if get_interface_namespace(self.ifname) != None: + self._cmd(f'ip netns exec {get_interface_namespace(self.ifname)} ip link del dev {self.ifname}') + return + + def set_netns(self, netns): + """ + Add interface from given NETNS. + + Example: + >>> from vyos.ifconfig import Interface + >>> Interface('dum0').set_netns('foo') + """ + + self.set_interface('netns', netns) + def set_vrf(self, vrf): """ Add/Remove interface from given VRF instance. @@ -1353,6 +1386,16 @@ class Interface(Control): if mac: self.set_mac(mac) + # If interface is connected to NETNS we don't have to check all other + # settings like MTU/IPv6/sysctl values, etc. + # Since the interface is pushed onto a separate logical stack + # Configure NETNS + if dict_search('netns', config) != None: + self.set_netns(config.get('netns', '')) + return + else: + self.del_netns(config.get('netns', '')) + # Update interface description self.set_alias(config.get('description', '')) diff --git a/python/vyos/util.py b/python/vyos/util.py index d8e83ab8d..157b26bf7 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -794,6 +794,24 @@ def get_interface_address(interface): tmp = loads(cmd(f'ip -d -j addr show {interface}'))[0] return tmp +def get_interface_namespace(iface): + """ + Returns wich netns the interface belongs to + """ + from json import loads + # Check if netns exist + tmp = loads(cmd(f'ip --json netns ls')) + if len(tmp) == 0: + return None + + for ns in tmp: + namespace = f'{ns["name"]}' + # Search interface in each netns + data = loads(cmd(f'ip netns exec {namespace} ip -j link show')) + for compare in data: + if iface == compare["ifname"]: + return namespace + def get_all_vrfs(): """ Return a dictionary of all system wide known VRF instances """ from json import loads |