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 [ ! -e "$HOSTINFRA" ]; 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   if [ -n "$1" -a -e /proc/sys/net/ipv4/conf/$1 ]; then
  27     echo Interface $1 already exist! Please check
  28     export DONOTIFUP=true
  29   fi
  30 }
  31
  32
  33 check_iface "$PUBLIC_BRIDGE"
  34 check_iface "$PUBLIC_IFACE.$PUBLIC_VLAN_ID"
  35 check_iface "$PUBLIC_IFACE.$PRIVATE_VLAN_ID"
  36 check_iface "$PRIVATE_BRIDGE"
  37
  38 if [ -n "$PRIVATE_VLAN_ID_OFFSET" ]; then
  39   for id in `seq $PRIVATE_VLAN_ID_MIN 1 $PRIVATE_VLAN_ID_MAX`; do
  40     check_iface $PUBLIC_IFACE.$((PRIVATE_VLAN_ID_OFFSET+id))
  41     check_iface $BRIDGE_PREFIX$id
  42   done
  43 fi
  44
  45 (
  46
  47 if [ -n "$PUBLIC_BRIDGE" -a -n "$PUBLIC_IFACE" ]; then
  48   cat<<EOF
  49 auto $PUBLIC_BRIDGE
  50 iface $PUBLIC_BRIDGE inet manual
  51   bridge_ports $PUBLIC_IFACE
  52   bridge_stp off
  53   bridge_fd 2
  54   post-up ip link set $PUBLIC_BRIDGE address $PUBLIC_MAC
  55
  56 EOF
  57
  58 else
  59   if [ -n "$PUBLIC_VLAN" ]; then
  60     cat<<EOF
  61 auto $PUBLIC_VLAN
  62 iface $PUBLIC_VLAN inet manual
  63
  64 EOF
  65   fi
  66
  67   if [ -n "$PRIVATE_VLAN" -a -n "$PRIVATE_BRIDGE" ]; then
  68     cat<<EOF
  69 auto $PRIVATE_VLAN
  70 iface $PRIVATE_VLAN inet manual
  71
  72 auto $PRIVATE_BRIDGE
  73 iface $PRIVATE_BRIDGE inet manual
  74   bridge_ports $PRIVATE_VLAN
  75   bridge_stp off
  76   bridge_fd 2
  77   post-up ip link set $PRIVATE_BRIDGE address $PUBLIC_MAC
  78
  79 EOF
  80   fi
  81
  82   if [ -n "$PRIVATE_VLAN_ID_OFFSET" ]; then
  83      HELPER="$PRIVATE_VLAN_ID_MIN $PRIVATE_VLAN_ID_MAX $PRIVATE_VLAN_ID_OFFSET"
  84      cat<<EOF
  85 auto prv
  86 iface prv inet manual
  87     up   prv-net-helper up   $PUBLIC_IFACE $HELPER $BRIDGE_PREFIX
  88     down prv-net-helper down $PUBLIC_IFACE $HELPER $BRIDGE_PREFIX
  89
  90 EOF
  91   fi
  92
  93 fi
  94
  95 ) > $INTERFACES
  96
  97 echo 1 > /proc/sys/net/ipv4/conf/all/forwarding
  98 echo 1 > /proc/sys/net/ipv6/conf/all/forwarding
  99 echo 1 > /proc/sys/net/ipv4/ip_forward
 100
 101 if $DONOTIFUP; then
 102   echo Check interfaces:
 103   cat $INTERFACES
 104   exit 1
 105 fi
 106
 107 ifup -i $INTERFACES -a