Now supports PREFIX (http)

GNULinux/ipxe-boot-update.sh

@@ -21,6 +21,12 @@
 # do `export NO_WGET=1` if you want it do skip downloading files.
 
 BOOT_OPTS="vga=normal"
+
+# Use the following if you want to provide access to these over http
+# instead of tftp or any other relevant protocol, assuming you set up
+# the relevant server to serve these
+#PREFIX=http://URL/pxe/
+
 [ $NO_WGET ] && echo "NO_WGET is exported so we won't download required files."
 
 # cd in the directory where this script resides, even if called from a symlink
@@ -47,8 +53,8 @@ for dist in $DISTS; do
 	[ ! $NO_WGET ] && wget --quiet $dist/main/installer-$arch/current/images/netboot/$system-installer/$arch/initrd.gz -O `basename $dist`-$arch-initrd.gz
 	[ ! $NO_WGET ] && wget --quiet $dist/main/installer-$arch/current/images/netboot/$system-installer/$arch/linux -O `basename $dist`-$arch-linux
 	echo ":$system-`basename $dist`-$arch" >> ipxe-boot
-	echo "kernel GNULinux/`basename $dist`-$arch-linux $BOOT_OPTS" >> ipxe-boot
-	echo "initrd GNULinux/`basename $dist`-$arch-initrd.gz" >> ipxe-boot
+	echo kernel $PREFIX"GNULinux/`basename $dist`-$arch-linux $BOOT_OPTS" >> ipxe-boot
+	echo initrd $PREFIX"GNULinux/`basename $dist`-$arch-initrd.gz" >> ipxe-boot
 	echo "boot" >> ipxe-boot
 	MENU="$MENU\nitem $system-`basename $dist`-$arch `echo $system | tr a-z A-Z` `basename $dist` $arch"
     done
@@ -60,4 +66,8 @@ echo -e "$MENU" >> ipxe-boot
 echo "choose target && goto \${target}" >> ipxe-boot
 echo "# EOF" >> ipxe-boot
 
+# provide rescue symlinks
+if [ ! -e rescue-linux ]; then ln -s stable-i386-linux rescue-linux; fi
+if [ ! -e rescue-initrd.gz ]; then ln -s stable-i386-initrd.gz rescue-initrd.gz; fi
+
 # EOF

README

@@ -46,6 +46,7 @@ Obviously, you wont forget to do:
       invoke-rc.d tftpd-hpa start
 
 
+
 To use it:
 ----------
 
@@ -54,6 +55,15 @@ On your client,
 Go in the BIOS, look for "boot on lan" and whatever crap it may be called (it varies greatly), activate it. Then boot. It'll do some DHCP magic to find the path to the PXE and the menu should be printed on your screen at some point. 
 
 
+Further...:
+-----------
+
+You can decide to use http instead of tftpd for faster file transfer once
+ iPXE is loaded (which means tfpd will still be necessary tough).
+
+For instance, you can run 
+    export PREFIX=http://URL/pxe/
+before starting the ipxe-boot-update.sh script.
 
 
 # EOF

ipxe-boot-update.sh

@@ -18,20 +18,21 @@
 #   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 #   USA
 
-# basic warning check: does undionly.kpxe exists?
+# cd in the directory where this script resides, even if called from a symlink
+# in /etc/cron.whatever/
+ZERO=$0
+if [ -L $0 ]; then ZERO=`readlink $0`; fi
+cd `dirname $ZERO`
+
+
+# basic warning check: does undionly.kpxe exists? 
 IPXE_CHAINLOADER=undionly.kpxe
 if [ ! -e $IPXE_CHAINLOADER ]; then
     echo "Did you notice that $IPXE_CHAINLOADER was not there?"
     read
     wget http://boot.ipxe.org/$IPXE_CHAINLOADER
 fi
 
-# cd in the directory where this script resides, even if called from a symlink
-# in /etc/cron.whatever/
-ZERO=$0
-if [ -L $0 ]; then ZERO=`readlink $0`; fi
-cd `dirname $ZERO`
-
 # assume each subdirectory in here may contain relevant images
 # if an update script exists, run it
 for subdir in *; do
@@ -78,6 +79,7 @@ for subdir in *; do
     fi
 done
 echo ":rescue" >> ipxe-boot
+echo "# fallback with tftpd" >> ipxe-boot
 echo "kernel GNULinux/rescue-linux vga=normal irqpoll rescue/enable=true" >> ipxe-boot
 echo "initrd GNULinux/rescue-initrd.gz" >> ipxe-boot
 echo "boot"  >> ipxe-boot