code.grnet.gr Git - snf-network/blob - snf-network-configure-interfaces

   1 #!/bin/bash
   2
   3 DEFAULT=/etc/default/snf-network
   4
   5 source $DEFAULT
   6 source $CONF
   7 source $INFRA
   8
   9 HOSTNAME=$(hostname)
  10
  11
  12 INTERFACES=$STATE_DIR/interfaces
  13 HOSTINFRA=$STATE_DIR/infra
  14
  15 if [ ! -a $HOSTFILE ]; then
  16   echo "A host infra file must exist"
  17   echo "Run snf-network-build-host-infra"
  18   exit 1
  19 fi
  20
  21 source $HOSTINFRA
  22
  23 DONOTIFUP=false
  24
  25 check_iface(){
  26
  27   if [ -n "$1" -a -e /proc/sys/net/ipv4/conf/$1 ]; then
  28     echo Interface $1 already exist! Please check
  29     export DONOTIFUP=true
  30   fi
  31 }
  32
  33
  34 check_iface "$PUBLIC_BRIDGE"
  35 check_iface "$PUBLIC_IFACE.$PUBLIC_VLAN_ID"
  36 check_iface "$PUBLIC_IFACE.$PRIVATE_VLAN_ID"
  37 check_iface "$PRIVATE_BRIDGE"
  38
  39 if [ -n "$PRIVATE_VLAN_ID_OFFSET" ]; then
  40   for id in `seq $PRIVATE_VLAN_ID_MIN 1 $PRIVATE_VLAN_ID_MAX`; do
  41     check_iface $PUBLIC_IFACE.$((PRIVATE_VLAN_ID_OFFSET+id))
  42     check_iface $BRIDGE_PREFIX$id
  43   done
  44 fi
  45
  46 if [ -n "$PUBLIC_BRIDGE" -a -n "$PUBLIC_IFACE" ]; then
  47   cat > $INTERFACES<<EOF
  48 auto $PUBLIC_BRIDGE
  49 iface $PUBLIC_BRIDGE inet manual
  50   bridge_ports $PUBLIC_IFACE
  51   bridge_stp off
  52   bridge_fd 2
  53   post-up ip link set $PUBLIC_BRIDGE address $PUBLIC_MAC
  54
  55 EOF
  56
  57 else
  58   if [ -n "$PUBLIC_VLAN" ]; then
  59     cat > $INTERFACES<<EOF
  60 auto $PUBLIC_VLAN
  61 iface $PUBLIC_VLAN inet manual
  62
  63 EOF
  64   fi
  65
  66   if [ -n "$PRIVATE_VLAN" -a -n "$PRIVATE_BRIDGE" ]; then
  67     cat >> $INTERFACES<<EOF
  68 auto $PRIVATE_VLAN
  69 iface $PRIVATE_VLAN inet manual
  70
  71 auto $PRIVATE_BRIDGE
  72 iface $PRIVATE_BRIDGE inet manual
  73   bridge_ports $PRIVATE_VLAN
  74   bridge_stp off
  75   bridge_fd 2
  76   post-up ip link set $PRIVATE_BRIDGE address $PUBLIC_MAC
  77
  78 EOF
  79   fi
  80
  81   if [ -n "$PRIVATE_VLAN_ID_OFFSET" ]; then
  82      HELPER="$PRIVATE_VLAN_ID_MIN $PRIVATE_VLAN_ID_MAX $PRIVATE_VLAN_ID_OFFSET"
  83      cat >> $INTERFACES<<EOF
  84 auto prv
  85 iface prv inet manual
  86     up   prv-net-helper up   $PUBLIC_IFACE $HELPER $BRIDGE_PREFIX
  87     down prv-net-helper down $PUBLIC_IFACE $HELPER $BRIDGE_PREFIX
  88
  89 EOF
  90   fi
  91
  92 fi
  93
  94
  95 if $DONOTIFUP; then
  96   echo Check interfaces:
  97   cat $INTERFACES
  98   exit 1
  99 fi
 100
 101 echo 1 > /proc/sys/net/ipv4/conf/all/forwarding
 102 echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
 103 echo 1 > /proc/sys/net/ipv4/ip_forward
 104
 105 ifup -i $INTERFACES -a