Changes to pl_netinit and pl_sysinit support pxe booting nodes.

[bootcd.git] / conf_files / pl_sysinit

diff --git a/conf_files/pl_sysinit b/conf_files/pl_sysinit
index 50a6b5c..3e8f6e5 100755 (executable)
--- a/conf_files/pl_sysinit
+++ b/conf_files/pl_sysinit
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 echo "pl_sysinit: bringing system online"
 
@@ -44,6 +44,51 @@ for device in $test_devices; do
     fi
 done
 
+echo "pl_sysinit: configuring kernel parameters"
+/sbin/sysctl -e -p /etc/sysctl.conf
+
+echo "pl_sysinit: bringing network online"
+/etc/init.d/pl_netinit
+
+# check for nfs mount
+if [ $mounted -eq 0 -a -f "/etc/planetlab/nfs_server" ]; then
+       echo "pl_sysinit: starting portmap"
+       /sbin/portmap
+       sleep 3
+       nfs_server=$(cat /etc/planetlab/nfs_server)
+       /bin/mount -t nfs -o nfsvers=2 ${nfs_server}:/planetlab/bootcd /usr
+       if [ $? -ne 0 ]; then
+               bash
+       else
+               # it mounted, but we should probably make sure its our boot cd
+               # this can be done by making sure the /pl_version file (on initrd)
+               # matches /usr/isolinux/pl_version
+               cd_version=$(/bin/cat /usr/isolinux/pl_version)
+
+               if [ "$initrd_version" != "$cd_version" ]; then
+                       # eh, wrong cd, keep trying
+                       echo "pl_sysinit: wrong version $initrd_version != $cd_version"
+                       /bin/umount /usr 2>&1 /dev/null
+               else
+                       echo "pl_sysinit: found cd on nfs server and mounted on /usr"
+                       mounted=1
+               fi
+               if [ $mounted -eq 1 ] ; then
+                       read i0 i1 i2 i3 m0 m1 m2 m3 < \
+                               <(IFS=. ; echo $(ifconfig eth0 | sed -ne "s/.*inet addr:\([^ ]*\).*Mask:\([^ ]*\).*/\1.\2/p"))
+                       realaddr="$i0.$i1.$i2.$i3"
+                       mkdir -p /tmp/conffilemount
+                       /bin/mount -t nfs -o nfsvers=2 ${nfs_server}:/planetlab/nodes/${realaddr} /tmp/conffilemount
+                       if [ $? -eq 0 ] ; then
+                               cp /tmp/conffilemount/plnode.txt /tmp
+                       else
+                               /bin/umount /usr 2>&1 /dev/null
+                               mounted=0
+                       fi
+               fi
+       fi
+fi
+
 if [ $mounted -eq 0 ]; then
     echo "pl_sysinit: unable to find boot cdrom, cannot continue."
     # todo: maybe we can put a staticly linked sshd here
@@ -72,9 +117,3 @@ else
     echo "pl_sysinit: unable to create device mapper control node, continuing"
 fi
 
-echo "pl_sysinit: configuring kernel parameters"
-/sbin/sysctl -e -p /etc/sysctl.conf
-
-echo "pl_sysinit: bringing network online"
-/etc/init.d/pl_netinit
-