6 # the name of the floppy based network configuration
7 # files (checked first). the name planet.cnf is kept
8 # for backward compatibility with old nodes, and only
9 # the floppy disk is searched for files with this name.
10 # new files are named plnode.txt and can be located on
11 # a floppy or usb device or on the cdrom
12 OLD_NODE_CONF_NAME=planet.cnf
13 NEW_NODE_CONF_NAME=plnode.txt
15 # one location of cd-based network configuration file
16 # (checked if floppy conf file missing and usb
17 # configuration file is missing)
18 CD_NET_CONF_BOOT=/usr/boot/$NEW_NODE_CONF_NAME
20 # the other location of cd-based network configuration file
21 CD_NET_CONF_ROOT=/usr/$NEW_NODE_CONF_NAME
23 # if all other network configuration file sources
24 # don't exist, fall back to this one (always on the cd)
25 FALLBACK_NET_CONF=/usr/boot/default-node.txt
27 # a temporary place to hold the old configuration file
28 # off of the floppy disk if we find it (so we don't have
29 # to remount the floppy later)
30 TMP_OLD_FLOPPY_CONF_FILE=/tmp/oldfloppy_planet.cnf
32 # once a configuration file is found, save it in /tmp
33 # (may be used later by boot scripts)
34 USED_NET_CONF=/tmp/planet.cnf
36 # default device to use for contacting PLC if not specified
37 # in the configuration file
40 # where to store the temporary dhclient conf file
41 DHCLIENT_CONF_FILE=/tmp/dhclient.conf
43 # which fs types we support finding node configuration files on
44 # (will be based as a -t parameter to mount)
45 NODE_CONF_DEVICE_FS_TYPES="msdos,ext2"
47 # a temporary place to mount devices that might contain configuration
49 CONF_DEVICE_MOUNT_POINT=/mnt/confdevice
50 /bin/mkdir -p $CONF_DEVICE_MOUNT_POINT
52 # for some backwards compatibility, save the ifconfig <device>
53 # output to this file after everything is online
54 IFCONFIG_OUTPUT=/tmp/ifconfig
56 # set to 1 if the default network configuration was loaded off the cd
57 # (no other configuration file found)
61 function net_init_failed() {
63 echo $(date "+%H:%M:%S") " pl_netinit: network initialization failed,"
67 echo ========== lspci beg
68 /sbin/lspci -n | /bin/grep "Class 0200"
69 echo ========== lspci end
71 echo ========== ifconfig beg
73 echo ========== ifconfig end
75 echo $(date "+%H:%M:%S") " pl_netinit: shutting down machine in two hours"
81 # Function for checking the IP address to see if its sensible.
84 "" | *[!0-9.]* | *[!0-9]) return 1 ;;
89 [ ${1:-666} -le 255 ] && [ ${2:-666} -le 255 ] &&
90 [ ${3:-666} -le 255 ] && [ ${4:-666} -le 255 ]
93 # find and parse a node network configuration file. return 0 if not found,
94 # return 1 if found and parsed. if this is the case, DEFAULT_NET_CONF will
95 # be set to 1. For any found configuration file, $USED_NET_CONF will
96 # contain the validated contents
97 function find_node_config() {
98 /bin/rm -f $TMP_OLD_FLOPPY_CONF_FILE 2>&1 > /dev/null
100 echo $(date "+%H:%M:%S") " pl_netinit: looking for node configuration file on floppy"
102 /bin/mount -o ro -t $NODE_CONF_DEVICE_FS_TYPES /dev/fd0 \
103 $CONF_DEVICE_MOUNT_POINT 2>&1 > /dev/null
104 if [[ $? -eq 0 ]]; then
106 # 1. check for new named file first on the floppy disk
107 if [ -r "$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME" ]; then
108 conf_file="$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME"
109 echo $(date "+%H:%M:%S") " pl_netinit: found node configuration file $conf_file"
110 /etc/init.d/pl_validateconf < $conf_file > $USED_NET_CONF
111 /bin/umount $CONF_DEVICE_MOUNT_POINT
114 # since we have the floppy mounted already, see if an old file
115 # exists there so we don't have to remount the floppy when we need
116 # to check for an old file on it (later in the order). if it does
117 # just copy it off to a special location
118 elif [ -r "$CONF_DEVICE_MOUNT_POINT/$OLD_NODE_CONF_NAME" ]; then
119 conf_file="$CONF_DEVICE_MOUNT_POINT/$OLD_NODE_CONF_NAME"
120 /bin/cp -f $conf_file $TMP_OLD_FLOPPY_CONF_FILE
121 echo $(date "+%H:%M:%S") " pl_netinit: found old named configuration file, checking later."
123 echo $(date "+%H:%M:%S") " pl_netinit: floppy mounted, but no configuration file."
126 /bin/umount $CONF_DEVICE_MOUNT_POINT
128 echo $(date "+%H:%M:%S") " pl_netinit: no floppy could be mounted, continuing search."
131 # 2. check for a new named file on removable flash devices (those
132 # that start with sd*, because usb_storage emulates scsi devices).
133 # to prevent checking normal scsi disks, also make sure
134 # /sys/block/<dev>/removable is set to 1
136 echo $(date "+%H:%M:%S") " pl_netinit: looking for node configuration file on flash based devices"
138 # make the sd* hd* expansion fail to an empty string if there are no sd
142 for device in /sys/block/[hsv]d*; do
143 removable=$(cat $device/removable)
144 if [[ $removable -ne 1 ]]; then
148 partitions=$(/bin/awk "\$4 ~ /$(basename $device)[0-9]*/ { print \$4 }" /proc/partitions)
149 for partition in $partitions ; do
150 check_dev=/dev/$partition
152 echo $(date "+%H:%M:%S") " pl_netinit: looking for node configuration file on device $check_dev"
153 /bin/mount -o ro -t $NODE_CONF_DEVICE_FS_TYPES $check_dev \
154 $CONF_DEVICE_MOUNT_POINT 2>&1 > /dev/null
155 if [[ $? -eq 0 ]]; then
156 if [ -r "$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME" ]; then
157 conf_file="$CONF_DEVICE_MOUNT_POINT/$NEW_NODE_CONF_NAME"
158 echo $(date "+%H:%M:%S") " pl_netinit: found node configuration file $conf_file"
159 /etc/init.d/pl_validateconf < $conf_file > $USED_NET_CONF
160 echo $(date "+%H:%M:%S") " pl_netinit: found configuration"
161 /bin/umount $CONF_DEVICE_MOUNT_POINT
165 echo $(date "+%H:%M:%S") " pl_netinit: not found"
167 /bin/umount $CONF_DEVICE_MOUNT_POINT
172 # normal filename expansion setting
175 # 3. see if there is an old file on the floppy disk. if there was,
176 # the file $TMP_OLD_FLOPPY_CONF_FILE will be readable.
177 if [ -r "$TMP_OLD_FLOPPY_CONF_FILE" ]; then
178 conf_file=$TMP_OLD_FLOPPY_CONF_FILE
179 echo $(date "+%H:%M:%S") " pl_netinit: found node configuration file $conf_file"
180 /etc/init.d/pl_validateconf < $conf_file > $USED_NET_CONF
185 # 4. check for plnode.txt on the cd at /usr/boot
186 echo $(date "+%H:%M:%S") " pl_netinit: looking for network configuration on cd in /usr/boot"
187 if [ -r "$CD_NET_CONF_BOOT" ]; then
189 echo $(date "+%H:%M:%S") " pl_netinit: found cd configuration file $CD_NET_BOOT_CONF"
190 /etc/init.d/pl_validateconf < $CD_NET_CONF_BOOT > $USED_NET_CONF
195 # 5. check for plnode.txt on the cd at /usr
196 echo $(date "+%H:%M:%S") " pl_netinit: looking for network configuration on cd in /usr"
197 if [ -r "$CD_NET_CONF_ROOT" ]; then
199 echo $(date "+%H:%M:%S") " pl_netinit: found cd configuration file $CD_NET_CONF_ROOT"
200 /etc/init.d/pl_validateconf < $CD_NET_CONF_ROOT > $USED_NET_CONF
205 # 6. no node configuration file could be found, fall back to
206 # builtin default. this can't be used to install a machine, but
207 # will at least let it download and run the boot manager, which
208 # can inform the users appropriately.
209 echo $(date "+%H:%M:%S") " pl_netinit: using default network configuration"
210 if [ -r "$FALLBACK_NET_CONF" ]; then
211 echo $(date "+%H:%M:%S") " pl_netinit: found cd default configuration file $FALLBACK_NET_CONF"
212 /etc/init.d/pl_validateconf < $FALLBACK_NET_CONF > $USED_NET_CONF
221 echo $(date "+%H:%M:%S") " pl_netinit: bringing loopback network device up"
222 /sbin/ifconfig lo 127.0.0.1 up
225 if [ $? -eq 0 ]; then
226 # no network configuration file found. this should not happen as the
227 # default cd image has a backup one. halt.
228 echo $(date "+%H:%M:%S") " pl_netinit: unable to find even a default network configuration"
229 echo $(date "+%H:%M:%S") " pl_netinit: file, this cd may be corrupt."
233 # load the configuration file. if it was a default one (not user specified),
234 # then remove the saved copy from /tmp, but continue on. since a network
235 # configuration file is required and boot scripts only know about this location
236 # they will fail (as they should) - but the network will be up if dhcp is
239 echo $(date "+%H:%M:%S") " pl_netinit: loading network configuration"
242 if [[ $DEFAULT_NET_CONF -eq 1 ]]; then
243 /bin/rm -f $USED_NET_CONF
246 # initialize IPMI device
247 if [[ -n "$IPMI_ADDRESS" ]] ; then
248 echo -n "pl_netinit: initializing IPMI: "
249 cmd="ipnmac -i $IPMI_ADDRESS"
250 if [[ -n "$IPMI_MAC" ]] ; then
251 cmd="$cmd -m $IPMI_MAC"
257 # now, we need to find which device to use (ie, eth0 or eth1). start out
258 # by defaulting to eth0, then see if the network configuration file specified
259 # either a mac address (in which case we will need to find the device), or
263 if [[ -n "$NET_DEVICE" ]]; then
264 # the user specified a mac address we should use. find the network
266 NET_DEVICE=$(tr A-Z a-z <<<$NET_DEVICE)
270 dev_address=$(cat $device/address | tr A-Z a-z)
271 if [ "$device" == "$NET_DEVICE" -o "$dev_address" == "$NET_DEVICE" ]; then
273 echo $(date "+%H:%M:%S") " pl_netinit: found device $ETH_DEVICE with mac address $dev_address"
280 # if we didn't find a device yet, check which is the primary
281 if [[ -z "$ETH_DEVICE" ]]; then
282 pushd /etc/sysconfig/network-scripts > /dev/null
283 for conf in ifcfg-*; do
284 egrep -q '^PRIMARY=["'"'"']?[yY1t]' $conf || continue
285 ETH_DEVICE=${conf#ifcfg-}
291 # still nothing? fail the boot.
292 if [[ -z "$ETH_DEVICE" ]]; then
293 echo $(date "+%H:%M:%S") " pl_netinit: unable to find a usable device, check to make sure"
294 echo $(date "+%H:%M:%S") " pl_netinit: the NET_DEVICE field in the configuration file"
295 echo $(date "+%H:%M:%S") " pl_netinit: corresponds with a network adapter on this system"
299 # within a systemd-driven startup, we often see this stage
300 # triggered before the network interface is actually exposed
302 # although of course we have network-online.target
303 # as a requirement; go figure what systemd actually does..
305 # in any case, let us try to work around that by allowing some delay
311 if /sbin/ifconfig $ETH_DEVICE >& /dev/null; then
312 echo "pl_netinit: device present $ETH_DEVICE, proceeding (${COUNTER}s/${ALLOW}s)"
315 echo $(date "+%H:%M:%S") " pl_netinit: waiting for device $ETH_DEVICE,${COUNTER}s/${ALLOW}s"
316 COUNTER=$(($COUNTER+1))
317 [ $COUNTER -ge $ALLOW ] && net_init_failed
322 # actually check to make sure ifconfig <device> succeeds
324 /sbin/ifconfig $ETH_DEVICE up 2>&1 > /dev/null || {
325 echo $(date "+%H:%M:%S") " pl_netinit: device $ETH_DEVICE does not exist, most likely"
326 echo $(date "+%H:%M:%S") " pl_netinit: this CD does not have hardware support for your"
327 echo $(date "+%H:%M:%S") " pl_netinit: network adapter. please send the following lines"
328 echo $(date "+%H:%M:%S") " pl_netinit: to your PlanetLab support for further assistance"
332 echo $(date "+%H:%M:%S") " pl_netinit: attempting to start networking"
333 /sbin/service network start
335 # for backwards compatibility
336 /sbin/ifconfig $ETH_DEVICE > $IFCONFIG_OUTPUT
338 echo $(date "+%H:%M:%S") " pl_netinit: network online"