package/base-files/src/etc/network/if-pre-up.d/05-bonding

   1 #!/bin/sh
   2
   3 INTERFACES=""
   4 BONDOPTS=""
   5 for var in $(env | grep '^IF_BOND_'); do
   6         val="${var#*=}"
   7         opt="${var%%=*}"
   8         if [ "$opt" == "IF_BOND_PORTS" ]; then
   9                 case "$val" in
  10                 none)
  11                         INTERFACES=""
  12                         ;;
  13                 *)
  14                         INTERFACES="$val"
  15                         ;;
  16                 esac
  17                 continue
  18         fi
  19         opt="$(tr '[A-Z]' '[a-z]' <<< ${opt#IF_BOND_})"
  20         BONDOPTS+=" $opt"
  21         [ -n "$val" ] && BONDOPTS+=" $val"
  22 done
  23
  24 [ -n "$INTERFACES" ] || exit 0
  25
  26 ip link add $IFACE type bond ${BONDOPTS} || exit 1
  27 for IF in $INTERFACES; do
  28         if ! grep -q $IF /proc/net/dev; then
  29                 echo "Error: interface '$IF' does not exist!"
  30                 ip link del $IFACE
  31                 exit 1
  32         fi
  33         ip link set $IF master $IFACE
  34         ip link set $IF up
  35 done
  36
  37 exit 0