-#!/bin/sh
+#!/bin/bash
#-*-shell-script-*-
+set -x
+
# the name of the floppy based network configuration
# files (checked first). the name planet.cnf is kept
# for backward compatibility with old nodes, and only
# the other location of cd-based network configuration file
CD_NET_CONF_ROOT=/usr/$NEW_NODE_CONF_NAME
-# if all other network configuration file sources
+# if all other network configuration file sources
# don't exist, fall back to this one (always on the cd)
FALLBACK_NET_CONF=/usr/boot/default-node.txt
DEFAULT_NET_CONF=0
-function net_init_failed() {
- echo
- echo $(date "+%H:%M:%S") " pl_netinit: network initialization failed,"
- echo $(date "+%H:%M:%S") " pl_netinit: shutting down machine in two hours"
- /bin/sleep 2h
- /sbin/shutdown -h now
+function net-init-failed() {
+ verbose-message "pl_netinit: network initialization failed with interface $ETH_DEVICE"
+ verbose-forensics "failed to configure $ETH_DEVICE"
+ hang-and-shutdown "net-init-failed"
exit 1
}
-# Function for checking the IP address to see if its sensible.
-function check_ip() {
- case "$*" in
- "" | *[!0-9.]* | *[!0-9]) return 1 ;;
- esac
- local IFS=.
- set -- $*
- [ $# -eq 4 ] &&
- [ ${1:-666} -le 255 ] && [ ${2:-666} -le 255 ] &&
- [ ${3:-666} -le 255 ] && [ ${4:-666} -le 255 ]
-}
-
# find and parse a node network configuration file. return 0 if not found,
-# return 1 if found and parsed. if this is the case, DEFAULT_NET_CONF will
+# 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
-function 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"
-
+ verbose-message "pl_netinit: looking for node configuration file on floppy"
+
/bin/mount -o ro -t $NODE_CONF_DEVICE_FS_TYPES /dev/fd0 \
$CONF_DEVICE_MOUNT_POINT 2>&1 > /dev/null
if [[ $? -eq 0 ]]; then
# 1. check for new named file first on the floppy disk
if [ -r "$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME" ]; then
conf_file="$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME"
- echo $(date "+%H:%M:%S") " pl_netinit: found node configuration file $conf_file"
+ verbose-message "pl_netinit: found node configuration file $conf_file"
/etc/init.d/pl_validateconf < $conf_file > $USED_NET_CONF
/bin/umount $CONF_DEVICE_MOUNT_POINT
return 1
elif [ -r "$CONF_DEVICE_MOUNT_POINT/$OLD_NODE_CONF_NAME" ]; then
conf_file="$CONF_DEVICE_MOUNT_POINT/$OLD_NODE_CONF_NAME"
/bin/cp -f $conf_file $TMP_OLD_FLOPPY_CONF_FILE
- echo $(date "+%H:%M:%S") " pl_netinit: found old named configuration file, checking later."
+ verbose-message "pl_netinit: found old named configuration file, checking later."
else
- echo $(date "+%H:%M:%S") " pl_netinit: floppy mounted, but no configuration file."
+ verbose-message "pl_netinit: floppy mounted, but no configuration file."
fi
/bin/umount $CONF_DEVICE_MOUNT_POINT
else
- echo $(date "+%H:%M:%S") " pl_netinit: no floppy could be mounted, continuing search."
+ verbose-message "pl_netinit: no floppy could be mounted, continuing search."
fi
- # 2. check for a new named file on removable flash devices (those
+ # 2. check for a new named file on removable flash devices (those
# that start with sd*, because usb_storage emulates scsi devices).
# to prevent checking normal scsi disks, also make sure
# /sys/block/<dev>/removable is set to 1
- echo $(date "+%H:%M:%S") " pl_netinit: looking for node configuration file on flash based devices"
+ verbose-message "pl_netinit: looking for node configuration file on flash based devices"
# make the sd* hd* expansion fail to an empty string if there are no sd
# devices
for partition in $partitions ; do
check_dev=/dev/$partition
- echo $(date "+%H:%M:%S") " pl_netinit: looking for node configuration file on device $check_dev"
+ verbose-message "pl_netinit: looking for node configuration file on device $check_dev"
/bin/mount -o ro -t $NODE_CONF_DEVICE_FS_TYPES $check_dev \
$CONF_DEVICE_MOUNT_POINT 2>&1 > /dev/null
if [[ $? -eq 0 ]]; then
if [ -r "$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME" ]; then
conf_file="$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME"
- echo $(date "+%H:%M:%S") " pl_netinit: found node configuration file $conf_file"
+ verbose-message "pl_netinit: found node configuration file $conf_file"
/etc/init.d/pl_validateconf < $conf_file > $USED_NET_CONF
- echo $(date "+%H:%M:%S") " pl_netinit: found configuration"
+ verbose-message "pl_netinit: found configuration"
/bin/umount $CONF_DEVICE_MOUNT_POINT
return 1
fi
-
- echo $(date "+%H:%M:%S") " pl_netinit: not found"
+
+ verbose-message "pl_netinit: ERROR - not found"
/bin/umount $CONF_DEVICE_MOUNT_POINT
fi
# the file $TMP_OLD_FLOPPY_CONF_FILE will be readable.
if [ -r "$TMP_OLD_FLOPPY_CONF_FILE" ]; then
conf_file=$TMP_OLD_FLOPPY_CONF_FILE
- echo $(date "+%H:%M:%S") " pl_netinit: found node configuration file $conf_file"
+ verbose-message "pl_netinit: found node configuration file $conf_file"
/etc/init.d/pl_validateconf < $conf_file > $USED_NET_CONF
return 1
fi
# 4. check for plnode.txt on the cd at /usr/boot
- echo $(date "+%H:%M:%S") " pl_netinit: looking for network configuration on cd in /usr/boot"
+ verbose-message "pl_netinit: looking for network configuration on cd in /usr/boot"
if [ -r "$CD_NET_CONF_BOOT" ]; then
-
- echo $(date "+%H:%M:%S") " pl_netinit: found cd configuration file $CD_NET_BOOT_CONF"
+
+ verbose-message "pl_netinit: found cd configuration file $CD_NET_BOOT_CONF"
/etc/init.d/pl_validateconf < $CD_NET_CONF_BOOT > $USED_NET_CONF
return 1
fi
-
+
# 5. check for plnode.txt on the cd at /usr
- echo $(date "+%H:%M:%S") " pl_netinit: looking for network configuration on cd in /usr"
+ verbose-message "pl_netinit: looking for network configuration on cd in /usr"
if [ -r "$CD_NET_CONF_ROOT" ]; then
-
- echo $(date "+%H:%M:%S") " pl_netinit: found cd configuration file $CD_NET_CONF_ROOT"
+
+ verbose-message "pl_netinit: found cd configuration file $CD_NET_CONF_ROOT"
/etc/init.d/pl_validateconf < $CD_NET_CONF_ROOT > $USED_NET_CONF
return 1
fi
# builtin default. this can't be used to install a machine, but
# will at least let it download and run the boot manager, which
# can inform the users appropriately.
- echo $(date "+%H:%M:%S") " pl_netinit: using default network configuration"
+ verbose-message "pl_netinit: using default network configuration"
if [ -r "$FALLBACK_NET_CONF" ]; then
- echo $(date "+%H:%M:%S") " pl_netinit: found cd default configuration file $FALLBACK_NET_CONF"
+ verbose-message "pl_netinit: found cd default configuration file $FALLBACK_NET_CONF"
/etc/init.d/pl_validateconf < $FALLBACK_NET_CONF > $USED_NET_CONF
DEFAULT_NET_CONF=1
return 1
}
-echo $(date "+%H:%M:%S") " pl_netinit: bringing loopback network device up"
-/sbin/ifconfig lo 127.0.0.1 up
+verbose-message "pl_netinit: bringing loopback network device up"
+ip address add dev lo 127.0.0.1/8
+ip link set lo up
-find_node_config
+find-node-config
if [ $? -eq 0 ]; then
# no network configuration file found. this should not happen as the
# default cd image has a backup one. halt.
- echo $(date "+%H:%M:%S") " pl_netinit: unable to find even a default network configuration"
- echo $(date "+%H:%M:%S") " pl_netinit: file, this cd may be corrupt."
- net_init_failed
+ verbose-message "pl_netinit: ERROR - unable to find even a default network configuration"
+ verbose-message "pl_netinit: file, this cd may be corrupt."
+ net-init-failed
fi
# load the configuration file. if it was a default one (not user specified),
-# then remove the saved copy from /tmp, but continue on. since a network
+# then remove the saved copy from /tmp, but continue on. since a network
# configuration file is required and boot scripts only know about this location
# they will fail (as they should) - but the network will be up if dhcp is
# available
-echo $(date "+%H:%M:%S") " pl_netinit: loading network configuration"
+verbose-message "pl_netinit: loading network configuration"
. $USED_NET_CONF
if [[ $DEFAULT_NET_CONF -eq 1 ]]; then
if [[ -n "$NET_DEVICE" ]]; then
# the user specified a mac address we should use. find the network
# device for it.
- NET_DEVICE=$(tr A-Z a-z <<<$NET_DEVICE)
+ NET_DEVICE=$(tr A-Z a-z <<< $NET_DEVICE)
pushd /sys/class/net
for device in *; do
dev_address=$(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"
+ verbose-message "pl_netinit: found device $ETH_DEVICE with mac address $dev_address"
break
fi
done
# still nothing? fail the boot.
if [[ -z "$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 $(date "+%H:%M:%S") " pl_netinit: corresponds with a network adapter on this system"
- net_init_failed
+ verbose-message "pl_netinit: unable to find a usable device, check to make sure"
+ verbose-message "pl_netinit: the NET_DEVICE field in the configuration file"
+ verbose-message "pl_netinit: corresponds with a network adapter on this system"
+ net-init-failed
fi
+# within a systemd-driven startup, we often see this stage
+# triggered before the network interface is actually exposed
+# by udev/kernel
+# so allow for some small delay here
+ALLOW=10
+COUNTER=0
+while true; do
+ ### check if the interface is known
+ # instead of using ifconfig, check the kernel area
+ if [ -e /sys/class/net/$ETH_DEVICE ]; then
+ verbose-message "pl_netinit: device present $ETH_DEVICE"
+ break
+ fi
+ verbose-message "pl_netinit: waiting for device $ETH_DEVICE - ${COUNTER}s/${ALLOW}s"
+ sleep 1
+ 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
- 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: network adapter. please send the following lines"
- echo $(date "+%H:%M:%S") " pl_netinit: to your PlanetLab support for further assistance"
- echo
- /sbin/lspci -n | /bin/grep "Class 0200"
- echo
-
- net_init_failed
-fi
-echo $(date "+%H:%M:%S") " pl_netinit: attempting to start networking"
+/usr/libexec/nm-ifup $ETH_DEVICE >& /dev/null || {
+ verbose-message "pl_netinit: device $ETH_DEVICE does not exist, most likely"
+ verbose-message "pl_netinit: this CD does not have hardware support for your"
+ verbose-message "pl_netinit: network adapter. please send the following lines"
+ verbose-message "pl_netinit: to your PlanetLab support for further assistance"
+ net-init-failed
+}
+
+verbose-message "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"
+verbose-message "pl_netinit: network online"
+
+# patch for f22 and above - if /etc/resolv.conf is empty or missing
+function pl-netinit-patch-resolv-conf () {
+ file="$1"; shift
+ needed=""
+ # missing file : patch needed
+ if ! [ -f $file ]; then
+ needed=true
+ # empty file : patch needed
+ else
+ contents=$(grep -v '^#' $file)
+ contents=$(echo $contents)
+ [ -z "$contents" ] && needed=true
+ fi
+ if [ -z "$needed" ]; then
+ echo pl_netinit has no need to patch $file
+ return
+ fi
+
+ verbose-message "pl_netinit: patching $file"
+ source /etc/sysconfig/network-scripts/ifcfg-${ETH_DEVICE}
+ # delete because it may be a symlink to /run/systemd/resolve/resolv.conf
+ # which looks really weird (ls -lL /etc/resolv.conf does not show anything)
+ rm -f $file
+ # mention the DNS servers defined in the config - if any
+ [ -n "$DNS1" ] && echo nameserver $DNS1 >> $file
+ [ -n "$DNS2" ] && echo nameserver $DNS2 >> $file
+ # also add landmark for good measure
+ echo "nameserver 8.8.8.8" >> $file
+}
+
+pl-netinit-patch-resolv-conf /etc/resolv.conf
+verbose-forensics "pl_netinit epilogue"