debian/vznetaddbr

   1 #!/usr/bin/perl
   2 use strict;
   3 use warnings;
   4 use PVE::OpenVZ;
   5 use PVE::Tools qw(run_command);
   6 use PVE::Network;
   7 use PVE::ProcFSTools;
   8
   9 my $vmid = $ENV{VEID};
  10 die "missing vmid parameter" if !$vmid;
  11
  12 my $iface = $ARGV[2];
  13 die "missing iface parameter" if !$iface;
  14
  15 my $bridgevlanf = $ARGV[3];
  16 die "missing bridge parameter" if !$bridgevlanf;
  17
  18 my $conf = PVE::OpenVZ::load_config($vmid);
  19
  20 my $ifaces = {};
  21 if (defined ($conf->{netif}) && $conf->{netif}->{value}) {
  22         $ifaces = PVE::OpenVZ::parse_netif($conf->{netif}->{value}, $vmid);
  23 }
  24
  25 my $oldbridgevlanf = undef;
  26
  27 #read oldbridge value
  28 foreach my $ifname (sort keys %$ifaces) {
  29
  30     if($ifaces->{$ifname}->{host_ifname} eq $iface){
  31         $oldbridgevlanf = $ifaces->{$ifname}->{bridge};
  32
  33     }
  34 }
  35
  36 my $tag = undef;
  37 my $firewall = undef;
  38 my $bridge = undef;
  39
  40 if($bridgevlanf =~ m/(vmbr(\d+))(v(\d+))?(f)?/){
  41     $bridge = $1;
  42     $tag = $4 if $4;
  43     $firewall = $5 if $5;
  44 }
  45
  46 die "missing bridge parameter" if !$bridge;
  47
  48
  49 if($bridgevlanf ne $oldbridgevlanf){
  50
  51     PVE::Network::tap_unplug($iface);
  52 }
  53
  54 if (-d "/sys/class/net/$iface") {
  55
  56     my $bridgemtu = PVE::Tools::file_read_firstline("/sys/class/net/$bridge/mtu");
  57     die "bridge '$bridge' does not exist\n" if !$bridgemtu;
  58     #avoid insecure dependency;
  59     ($bridgemtu) = $bridgemtu =~ /(\d+)/;
  60
  61     PVE::Tools::run_command("/sbin/ip link set dev $iface up mtu $bridgemtu");
  62     PVE::Tools::run_command("/sbin/ip addr add 0.0.0.0/0 dev $iface");
  63     PVE::ProcFSTools::write_proc_entry("/proc/sys/net/ipv4/conf/$iface/proxy_arp", "1");
  64     PVE::ProcFSTools::write_proc_entry("/proc/sys/net/ipv4/conf/$iface/forwarding", "1");
  65     PVE::Network::tap_plug($iface, $bridge, $tag, $firewall);
  66
  67 }
  68
  69 exit 0;