diff options
Diffstat (limited to 'python/vyos/ifconfig/dhcp.py')
| -rw-r--r-- | python/vyos/ifconfig/dhcp.py | 53 |
1 files changed, 15 insertions, 38 deletions
diff --git a/python/vyos/ifconfig/dhcp.py b/python/vyos/ifconfig/dhcp.py index 3122147a3..b045727a2 100644 --- a/python/vyos/ifconfig/dhcp.py +++ b/python/vyos/ifconfig/dhcp.py @@ -19,23 +19,22 @@ from vyos.dicts import FixedDict from vyos.ifconfig.control import Control from vyos.template import render - class _DHCP (Control): - client_base = r'/var/lib/dhcp/dhclient_' - - def __init__(self, ifname, version, **kargs): + def __init__(self, ifname, **kargs): super().__init__(**kargs) - self.version = version self.file = { 'ifname': ifname, - 'conf': self.client_base + ifname + '.' + version + 'conf', - 'pid': self.client_base + ifname + '.' + version + 'pid', - 'lease': self.client_base + ifname + '.' + version + 'leases', + 'conf': self.client_base + f'{ifname}.conf', + 'options': self.client_base + f'{ifname}.options', + 'pid': self.client_base + f'{ifname}.pid', + 'lease': self.client_base + f'{ifname}.leases', } class _DHCPv4 (_DHCP): + client_base = r'/run/dhclient/' + def __init__(self, ifname): - super().__init__(ifname, '') + super().__init__(ifname) self.options = FixedDict(**{ 'ifname': ifname, 'hostname': '', @@ -62,18 +61,10 @@ class _DHCPv4 (_DHCP): with open('/etc/hostname', 'r') as f: self.options['hostname'] = f.read().rstrip('\n') + render(self.file['options'], 'dhcp-client/daemon-options.tmpl', self.options) render(self.file['conf'], 'dhcp-client/ipv4.tmpl' ,self.options) - cmd = 'start-stop-daemon' - cmd += ' --start' - cmd += ' --oknodo' - cmd += ' --quiet' - cmd += ' --pidfile {pid}' - cmd += ' --exec /sbin/dhclient' - cmd += ' --' - # now pass arguments to dhclient binary - cmd += ' -4 -nw -cf {conf} -pf {pid} -lf {lease} {ifname}' - return self._cmd(cmd.format(**self.file)) + return self._cmd('systemctl restart dhclient@{ifname}.service'.format(**self.file)) def delete(self): """ @@ -90,32 +81,18 @@ class _DHCPv4 (_DHCP): self._debug_msg('No DHCP client PID found') return None - # with open(self.file['pid'], 'r') as f: - # pid = int(f.read()) - - # stop dhclient, we need to call dhclient and tell it should release the - # aquired IP address. tcpdump tells me: - # 172.16.35.103.68 > 172.16.35.254.67: [bad udp cksum 0xa0cb -> 0xb943!] BOOTP/DHCP, Request from 00:50:56:9d:11:df, length 300, xid 0x620e6946, Flags [none] (0x0000) - # Client-IP 172.16.35.103 - # Client-Ethernet-Address 00:50:56:9d:11:df - # Vendor-rfc1048 Extensions - # Magic Cookie 0x63825363 - # DHCP-Message Option 53, length 1: Release - # Server-ID Option 54, length 4: 172.16.35.254 - # Hostname Option 12, length 10: "vyos" - # - cmd = '/sbin/dhclient -cf {conf} -pf {pid} -lf {lease} -r {ifname}' - self._cmd(cmd.format(**self.file)) + return self._cmd('systemctl stop dhclient@{ifname}.service'.format(**self.file)) # cleanup old config files - for name in ('conf', 'pid', 'lease'): + for name in ('conf', 'options', 'pid', 'lease'): if os.path.isfile(self.file[name]): os.remove(self.file[name]) - class _DHCPv6 (_DHCP): + client_base = r'/run/dhclient6/' + def __init__(self, ifname): - super().__init__(ifname, 'v6') + super().__init__(ifname) self.options = FixedDict(**{ 'ifname': ifname, 'dhcpv6_prm_only': False, |