#!/bin/sh
+#-*-shell-script-*-
+
+set -x
# the name of the floppy based network configuration
# files (checked first). the name planet.cnf is kept
DEFAULT_NET_CONF=0
-net_init_failed()
-{
+function net_init_failed() {
echo
echo $(date "+%H:%M:%S") " pl_netinit: network initialization failed,"
+ echo
+ echo For forensics
+ echo
+ echo ========== lspci beg
+ /sbin/lspci -n | /bin/grep "Class 0200"
+ echo ========== lspci end
+ echo
+ echo ========== ifconfig beg
+ /sbin/ifconfig
+ echo ========== ifconfig end
+ echo
echo $(date "+%H:%M:%S") " pl_netinit: shutting down machine in two hours"
/bin/sleep 2h
/sbin/shutdown -h now
}
# Function for checking the IP address to see if its sensible.
-check_ip()
-{
+function check_ip() {
case "$*" in
"" | *[!0-9.]* | *[!0-9]) return 1 ;;
esac
# return 1 if found and parsed. if this is the case, DEFAULT_NET_CONF will
# be set to 1. For any found configuration file, $USED_NET_CONF will
# contain the validated contents
-find_node_config()
-{
+function find_node_config() {
/bin/rm -f $TMP_OLD_FLOPPY_CONF_FILE 2>&1 > /dev/null
echo $(date "+%H:%M:%S") " pl_netinit: looking for node configuration file on floppy"
# devices
shopt -s nullglob
- for device in /sys/block/[hs]d*; do
- removable=`cat $device/removable`
+ for device in /sys/block/[hsv]d*; do
+ removable=$(cat $device/removable)
if [[ $removable -ne 1 ]]; then
continue
fi
- partitions=$(/bin/awk "\$4 ~ /`basename $device`[0-9]*/ { print \$4 }" /proc/partitions)
+ partitions=$(/bin/awk "\$4 ~ /$(basename $device)[0-9]*/ { print \$4 }" /proc/partitions)
for partition in $partitions ; do
check_dev=/dev/$partition
# either a mac address (in which case we will need to find the device), or
# the device itself
+ETH_DEVICE=
if [[ -n "$NET_DEVICE" ]]; then
# the user specified a mac address we should use. find the network
# device for it.
pushd /sys/class/net
for device in *; do
- dev_address=`cat $device/address | tr A-Z a-z`
+ dev_address=$(cat $device/address | tr A-Z a-z)
if [ "$device" == "$NET_DEVICE" -o "$dev_address" == "$NET_DEVICE" ]; then
ETH_DEVICE=$device
echo $(date "+%H:%M:%S") " pl_netinit: found device $ETH_DEVICE with mac address $dev_address"
fi
done
popd
-else
- ETH_DEVICE=$DEFAULT_NET_DEV
- echo $(date "+%H:%M:%S") " pl_netinit: using default device $ETH_DEVICE"
-
fi
+# if we didn't find a device yet, check which is the primary
+if [[ -z "$ETH_DEVICE" ]]; then
+ pushd /etc/sysconfig/network-scripts > /dev/null
+ for conf in ifcfg-*; do
+ egrep -q '^PRIMARY=["'"'"']?[yY1t]' $conf || continue
+ ETH_DEVICE=${conf#ifcfg-}
+ break
+ done
+ popd > /dev/null
+fi
-# if we couldn't find a device (would happen if NET_DEVICE was specified
-# but we couldn't find a device for that addresS), then abort the rest
-# of the startup
-
+# still nothing? fail the boot.
if [[ -z "$ETH_DEVICE" ]]; then
echo $(date "+%H:%M:%S") " pl_netinit: unable to find a usable device, check to make sure"
echo $(date "+%H:%M:%S") " pl_netinit: the NET_DEVICE field in the configuration file"
- echo $(date "+%H:%M:%S") " pl_netinit: cooresponds with a network adapter on this system"
+ echo $(date "+%H:%M:%S") " pl_netinit: corresponds with a network adapter on this system"
net_init_failed
fi
+# within a systemd-driven startup, we often see this stage
+# triggered before the network interface is actually exposed
+# by udev/kernel
+# although of course we have network-online.target
+# as a requirement; go figure what systemd actually does..
+
+# in any case, let us try to work around that by allowing some delay
+# here
+
+ALLOW=5
+COUNTER=0
+while true; do
+ if /sbin/ifconfig $ETH_DEVICE >& /dev/null; then
+ echo "pl_netinit: device present $ETH_DEVICE, proceeding (${COUNTER}s/${ALLOW}s)"
+ break
+ fi
+ echo $(date "+%H:%M:%S") " pl_netinit: waiting for device $ETH_DEVICE,${COUNTER}s/${ALLOW}s"
+ COUNTER=$(($COUNTER+1))
+ [ $COUNTER -ge $ALLOW ] && net_init_failed
+ sleep 1
+done
+
# actually check to make sure ifconfig <device> succeeds
-/sbin/ifconfig $ETH_DEVICE up 2>&1 > /dev/null
-if [[ $? -ne 0 ]]; then
+
+/sbin/ifconfig $ETH_DEVICE up 2>&1 > /dev/null || {
echo $(date "+%H:%M:%S") " pl_netinit: device $ETH_DEVICE does not exist, most likely"
- echo $(date "+%H:%M:%S") " pl_netinit: this cd does not have hardware support for your"
+ echo $(date "+%H:%M:%S") " pl_netinit: this CD does not have hardware support for your"
echo $(date "+%H:%M:%S") " pl_netinit: network adapter. please send the following lines"
- echo $(date "+%H:%M:%S") " pl_netinit: to PlanetLab Support: support@planet-lab.org"
- echo $(date "+%H:%M:%S") " pl_netinit: for further assistance"
- echo
- /sbin/lspci -n | /bin/grep "Class 0200"
- echo
-
+ echo $(date "+%H:%M:%S") " pl_netinit: to your PlanetLab support for further assistance"
net_init_failed
-fi
-
-ifcfg=/etc/sysconfig/network-scripts/ifcfg-$ETH_DEVICE
-echo "DEVICE=$ETH_DEVICE" > $ifcfg
-[ -n "$NET_DEVICE" ] && \
- echo "HWADDR=$NET_DEVICE" >> $ifcfg
-echo "BOOTPROTO=$IP_METHOD" >> $ifcfg
-echo "DHCP_HOSTNAME=$HOST_NAME.$DOMAIN_NAME" >> $ifcfg
-
-if [ -n "$WLAN_SSID$WLAN_IWCONFIG$WLAN_MODE" ]; then
- [ -n "$WLAN_SSID" ] && \
- echo "ESSID=$WLAN_SSID" >> $ifcfg
- [ -n "$WLAN_IWCONFIG" ] && \
- echo "IWCONFIG=$WLAN_IWCONFIG" >> $ifcfg
- [ -n "$WLAN_MODE" ] && \
- echo "MODE=$WLAN_MODE" >> $ifcfg
-fi
-
-if [ "$IP_METHOD" = "static" ]; then
- echo "IPADDR=$IP_ADDRESS" >> $ifcfg
- echo "NETMASK=$IP_NETMASK" >> $ifcfg
- echo "GATEWAY=$IP_GATEWAY" >> $ifcfg
-
- /bin/hostname "$HOST_NAME.$DOMAIN_NAME"
-
- if [[ -z "$IP_DNS1" ]]; then
- echo $(date "+%H:%M:%S") " pl_netinit: no dns server specified, cannot continue."
- net_init_failed
- fi
-
- echo "nameserver $IP_DNS1" > /etc/resolv.conf
- if [[ -n "$IP_DNS2" ]]; then
- echo "nameserver $IP_DNS2" >> /etc/resolv.conf
- fi
-fi
-
+}
-echo $(date "+%H:%M:%S") " pl_netinit: attempting to bring up device $ETH_DEVICE"
-/sbin/ifup $ETH_DEVICE
+echo $(date "+%H:%M:%S") " pl_netinit: attempting to start networking"
+/sbin/service network start
# for backwards compatibility
/sbin/ifconfig $ETH_DEVICE > $IFCONFIG_OUTPUT
echo $(date "+%H:%M:%S") " pl_netinit: network online"
-