summaryrefslogtreecommitdiff
path: root/python
diff options
context:
space:
mode:
Diffstat (limited to 'python')
-rw-r--r--python/vyos/ifconfig.py111
1 files changed, 71 insertions, 40 deletions
diff --git a/python/vyos/ifconfig.py b/python/vyos/ifconfig.py
index c5d3e447b..1886addfc 100644
--- a/python/vyos/ifconfig.py
+++ b/python/vyos/ifconfig.py
@@ -61,6 +61,7 @@ class Interface:
>>> i = Interface('eth0')
"""
self._ifname = str(ifname)
+ self._state = 'down'
if not os.path.exists('/sys/class/net/{}'.format(ifname)) and not type:
raise Exception('interface "{}" not found'.format(self._ifname))
@@ -111,8 +112,8 @@ class Interface:
# All subinterfaces are now removed, continue on the physical interface
# stop DHCP(v6) if running
- self.del_dhcp()
- self.del_dhcpv6()
+ self._del_dhcp()
+ self._del_dhcpv6()
# NOTE (Improvement):
# after interface removal no other commands should be allowed
@@ -359,6 +360,8 @@ class Interface:
if state not in ['up', 'down']:
raise ValueError('state must be "up" or "down"')
+ self._state = state
+
# Assemble command executed on system. Unfortunately there is no way
# to up/down an interface via sysfs
cmd = 'ip link set dev {} {}'.format(self._ifname, state)
@@ -495,8 +498,14 @@ class Interface:
def add_addr(self, addr):
"""
- Add IP address to interface. Address is only added if it yet not added
- to that interface.
+ Add IP(v6) address to interface. Address is only added if it is not
+ already assigned to that interface.
+
+ addr: can be an IPv4 address, IPv6 address, dhcp or dhcpv6!
+ IPv4: add IPv4 address to interface
+ IPv6: add IPv6 address to interface
+ dhcp: start dhclient (IPv4) on interface
+ dhcpv6: start dhclient (IPv6) on interface
Example:
>>> from vyos.ifconfig import Interface
@@ -506,13 +515,25 @@ class Interface:
>>> j.get_addr()
['192.0.2.1/24', '2001:db8::ffff/64']
"""
- if not is_intf_addr_assigned(self._ifname, addr):
- cmd = 'ip addr add "{}" dev "{}"'.format(addr, self._ifname)
- self._cmd(cmd)
+ if addr == 'dhcp':
+ self._set_dhcp()
+ elif addr == 'dhcpv6':
+ self._set_dhcpv6()
+ else:
+ if not is_intf_addr_assigned(self._ifname, addr):
+ cmd = 'ip addr add "{}" dev "{}"'.format(addr, self._ifname)
+ self._cmd(cmd)
def del_addr(self, addr):
"""
- Remove IP address from interface.
+ Delete IP(v6) address to interface. Address is only added if it is
+ assigned to that interface.
+
+ addr: can be an IPv4 address, IPv6 address, dhcp or dhcpv6!
+ IPv4: delete IPv4 address from interface
+ IPv6: delete IPv6 address from interface
+ dhcp: stop dhclient (IPv4) on interface
+ dhcpv6: stop dhclient (IPv6) on interface
Example:
>>> from vyos.ifconfig import Interface
@@ -525,12 +546,17 @@ class Interface:
>>> j.get_addr()
['2001:db8::ffff/64']
"""
- if is_intf_addr_assigned(self._ifname, addr):
- cmd = 'ip addr del "{}" dev "{}"'.format(addr, self._ifname)
- self._cmd(cmd)
+ if addr == 'dhcp':
+ self._del_dhcp()
+ elif addr == 'dhcpv6':
+ self._del_dhcpv6()
+ else:
+ if is_intf_addr_assigned(self._ifname, addr):
+ cmd = 'ip addr del "{}" dev "{}"'.format(addr, self._ifname)
+ self._cmd(cmd)
# replace dhcpv4/v6 with systemd.networkd?
- def set_dhcp(self):
+ def _set_dhcp(self):
"""
Configure interface as DHCP client. The dhclient binary is automatically
started in background!
@@ -557,15 +583,17 @@ class Interface:
with open(self._dhcp_cfg_file, 'w') as f:
f.write(dhcp_text)
- cmd = 'start-stop-daemon --start --quiet --pidfile ' + \
- self._dhcp_pid_file
- cmd += ' --exec /sbin/dhclient --'
- # now pass arguments to dhclient binary
- cmd += ' -4 -nw -cf {} -pf {} -lf {} {}'.format(
- self._dhcp_cfg_file, self._dhcp_pid_file, self._dhcp_lease_file, self._ifname)
- self._cmd(cmd)
+ if self._state == 'up':
+ cmd = 'start-stop-daemon --start --quiet --pidfile ' + \
+ self._dhcp_pid_file
+ cmd += ' --exec /sbin/dhclient --'
+ # now pass arguments to dhclient binary
+ cmd += ' -4 -nw -cf {} -pf {} -lf {} {}'.format(
+ self._dhcp_cfg_file, self._dhcp_pid_file, self._dhcp_lease_file, self._ifname)
+ self._cmd(cmd)
- def del_dhcp(self):
+
+ def _del_dhcp(self):
"""
De-configure interface as DHCP clinet. All auto generated files like
pid, config and lease will be removed.
@@ -601,7 +629,8 @@ class Interface:
if os.path.isfile(self._dhcp_lease_file):
os.remove(self._dhcp_lease_file)
- def set_dhcpv6(self):
+
+ def _set_dhcpv6(self):
"""
Configure interface as DHCPv6 client. The dhclient binary is automatically
started in background!
@@ -622,25 +651,28 @@ class Interface:
with open(self._dhcpv6_cfg_file, 'w') as f:
f.write(dhcpv6_text)
- # https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1447715
- #
- # wee need to wait for IPv6 DAD to finish once and interface is added
- # this suxx :-(
- sleep(5)
+ if self._state == 'up':
+ # https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1447715
+ #
+ # wee need to wait for IPv6 DAD to finish once and interface is added
+ # this suxx :-(
+ sleep(5)
- # no longer accept router announcements on this interface
- cmd = 'sysctl -q -w net.ipv6.conf.{}.accept_ra=0'.format(self._ifname)
- self._cmd(cmd)
+ # no longer accept router announcements on this interface
+ cmd = 'sysctl -q -w net.ipv6.conf.{}.accept_ra=0'.format(self._ifname)
+ self._cmd(cmd)
- cmd = 'start-stop-daemon --start --quiet --pidfile ' + \
- self._dhcpv6_pid_file
- cmd += ' --exec /sbin/dhclient --'
- # now pass arguments to dhclient binary
- cmd += ' -6 -nw -cf {} -pf {} -lf {} {}'.format(
- self._dhcpv6_cfg_file, self._dhcpv6_pid_file, self._dhcpv6_lease_file, self._ifname)
- self._cmd(cmd)
+ # assemble command-line to start DHCPv6 client (dhclient)
+ cmd = 'start-stop-daemon --start --quiet --pidfile ' + \
+ self._dhcpv6_pid_file
+ cmd += ' --exec /sbin/dhclient --'
+ # now pass arguments to dhclient binary
+ cmd += ' -6 -nw -cf {} -pf {} -lf {} {}'.format(
+ self._dhcpv6_cfg_file, self._dhcpv6_pid_file, self._dhcpv6_lease_file, self._ifname)
+ self._cmd(cmd)
- def del_dhcpv6(self):
+
+ def _del_dhcpv6(self):
"""
De-configure interface as DHCPv6 clinet. All auto generated files like
pid, config and lease will be removed.
@@ -1281,7 +1313,6 @@ class BondIf(EthernetIf):
class WireGuardIf(Interface):
-
"""
Wireguard interface class, contains a comnfig dictionary since
wireguard VPN is being comnfigured via the wg command rather than
@@ -1293,11 +1324,11 @@ class WireGuardIf(Interface):
>>> from vyos.ifconfig import WireGuardIf as wg_if
>>> wg_intfc = wg_if("wg01")
>>> print (wg_intfc.wg_config)
- {'private-key': None, 'keepalive': 0, 'endpoint': None, 'port': 0,
+ {'private-key': None, 'keepalive': 0, 'endpoint': None, 'port': 0,
'allowed-ips': [], 'pubkey': None, 'fwmark': 0, 'psk': '/dev/null'}
>>> wg_intfc.wg_config['keepalive'] = 100
>>> print (wg_intfc.wg_config)
- {'private-key': None, 'keepalive': 100, 'endpoint': None, 'port': 0,
+ {'private-key': None, 'keepalive': 100, 'endpoint': None, 'port': 0,
'allowed-ips': [], 'pubkey': None, 'fwmark': 0, 'psk': '/dev/null'}
"""