debian/tests/hotplug

   1 #!/bin/sh
   2 # check behaviour of "allow-hotplug" interface
   3 set -e
   4
   5 IFACE=sdtest42
   6
   7 if [ -e /sys/class/net/$IFACE ]; then
   8     echo "SKIP: network interface $IFACE already exists"
   9     exit 0
  10 fi
  11
  12 # different kinds of installs/images have different conventions; e. g.
  13 # cloud-init sources *.cfg, a Debian desktop sources only prefix-less files
  14 if grep -q 'source-directory .*interfaces.d' /etc/network/interfaces; then
  15     IFACE_CFG=/etc/network/interfaces.d/${IFACE}
  16 elif grep -q 'source .*interfaces.d.*cfg' /etc/network/interfaces; then
  17     IFACE_CFG=/etc/network/interfaces.d/${IFACE}.cfg
  18 else
  19     echo "SKIP: /etc/network/interfaces does not include interfaces.d/"
  20     exit 0
  21 fi
  22
  23 cat <<EOF > $IFACE_CFG
  24 allow-hotplug $IFACE
  25 iface $IFACE inet static
  26     address 192.168.234.129
  27     netmask 255.255.255.0
  28 EOF
  29
  30 # these should trigger uevents and ifup@.service
  31 ip link add name $IFACE type veth peer name v$IFACE
  32 trap "ip link del dev $IFACE; rm $IFACE_CFG" EXIT INT QUIT PIPE
  33
  34 sleep 3
  35
  36 # $IFACE is configured in ifupdown, should succeed and be up
  37 ifquery --state $IFACE
  38 if [ -d /run/systemd/system ]; then
  39     systemctl status -l ifup@${IFACE}.service
  40 fi
  41
  42 OUT=$(ip a show dev $IFACE)
  43 if ! echo "$OUT" | grep -q 'inet 192.168.234.129/24'; then
  44     echo "interface $IFACE not configured" >&2
  45     echo "$OUT" >&2
  46     exit 1
  47 fi
  48
  49 # v$IFACE is not configured in ifupdown, should be down
  50 ! ifquery --state v$IFACE
  51 if [ -d /run/systemd/system ]; then
  52     ! systemctl status -l ifup@v${IFACE}.service
  53 fi
  54
  55 OUT=$(ip a show dev v$IFACE)
  56 if echo "$OUT" | grep -q 'inet'; then
  57     echo "interface $IFACE unexpectedly configured" >&2
  58     echo "$OUT" >&2
  59     exit 1
  60 fi