Changeset 174

Timestamp:

Aug 11, 2010, 11:43:37 AM (14 years ago)

Author:

rock

Message:

Add: Run Xen network-bridge in initrd

File:

• drbl-virt/sbin/drbl_xen_patch.sh (modified) (3 diffs)

drbl-virt/sbin/drbl_xen_patch.sh

@@ -24 +24 @@
 Xen_Kernel=$(echo $Xen_Kernel | sed 's/^vmlinuz-//g' )
 echo "/opt/drbl/sbin/drblsrv-offline -s $Xen_Kernel"
-#/opt/drbl/sbin/drblsrv-offline -s $Xen_Kernel
+/opt/drbl/sbin/drblsrv-offline -s $Xen_Kernel
 echo ""
 
@@ -30 +30 @@
 echo "Re-delpoy drbl client"
 echo "/opt/drbl/sbin/drblpush -c /etc/drbl/drblpush.conf"
-#/opt/drbl/sbin/drblpush -c /etc/drbl/drblpush.conf
+/opt/drbl/sbin/drblpush -c /etc/drbl/drblpush.conf
 echo ""
 
 # == Copy xen image to /tftpboot/nbi_img/ ==
 echo "copy Xen image & Kernel to /tftpboot/nbi_img/"
-#cp /boot/*xen* /tftpboot/nbi_img/
-#cp /boot/vmlinuz-${Xen_Kernel} /tftpboot/nbi_img/
-#cp /boot/initrd.img-${Xen_Kernel} /tftpboot/nbi_img/
-#cp /boot/config-${Xen_Kernel} /tftpboot/nbi_img/
+cp /boot/*xen* /tftpboot/nbi_img/
+cp /boot/vmlinuz-${Xen_Kernel} /tftpboot/nbi_img/
+cp /boot/initrd.img-${Xen_Kernel} /tftpboot/nbi_img/
+cp /boot/config-${Xen_Kernel} /tftpboot/nbi_img/
 echo ""
 
 # == Modify PXE booting menu ==
 # backup generate-pxe-menu
-#cp /tftpboot/nbi_img/pxelinux.cfg/default /tftpboot/nbi_img/pxelinux.cfg/default.drbl-virt_bak
-#cp /opt/drbl/sbin/generate-pxe-menu /opt/drbl/sbin/generate-pxe-menu.drbl_virt_bak
+cp /tftpboot/nbi_img/pxelinux.cfg/default /tftpboot/nbi_img/pxelinux.cfg/default.drbl-virt_bak
+cp /opt/drbl/sbin/generate-pxe-menu /opt/drbl/sbin/generate-pxe-menu.drbl-virt_bak
 generate_PXE_menu="/opt/drbl/sbin/generate-pxe-menu"
 declare -i modify_line=$(cat -n $generate_PXE_menu | grep 'label drbl' | awk 'NR==1 {print $1}')
@@ -66 +66 @@
 
 # = 2. Patch DRBL initrd to support bridge =
-# == Patch /usr/bin/mkpxeinitrd-net (1)modules (2)xen network scripts ==
+# == Patch /usr/bin/mkpxeinitrd-net (1)Xen network scripts (2)command (3)modules ==
+# backup
+cp /usr/bin/mkpxeinitrd-net /usr/bin/mkpxeinitrd-net.drbl-virt_bak
+# copy Xen network scripts
+cp /etc/xen/scripts/network-bridge /usr/lib/mkpxeinitrd-net/initrd-skel/bin/
+cp /etc/xen/scripts/xen-network-common.sh /usr/lib/mkpxeinitrd-net/initrd-skel/bin/
+cp /etc/xen/scripts/xen-script-common.sh /usr/lib/mkpxeinitrd-net/initrd-skel/bin/
+# patch it to copy command
+declare -i modify_line=$(cat -n /usr/bin/mkpxeinitrd-net | grep 'include_bin_prog_from_server=' | awk '{print $1}')
+modify_file="/usr/bin/mkpxeinitrd-net"
+sed -i "${modify_line}c\include_bin_prog_from_server='sleep lspci insmod modprobe rmmod lsmod pkill strings brctl ip egrep awk gawk seq fgrep dirname expr'" $modify_file
+sed -i "${modify_line}i# drbl-virt add" $modify_file
+# patch it to copy modules
+declare -i modify_line=$(cat -n /usr/bin/mkpxeinitrd-net | grep "# Deal with firmwares" | awk '{print $1}')
+sed -i "${modify_line}i# drbl-virt add" $modify_file
+modify_line=$modify_line+1
+sed -i "${modify_line}icp -a --parents kernel/net/bridge/bridge.ko \$initrd/lib/modules/\$kernel_ver/" $modify_file
+modify_line=$modify_line+1
+sed -i "${modify_line}icp -a --parents kernel/drivers/xen/netback/netloop.ko \$initrd/lib/modules/\$kernel_ver/" $modify_file
 
+# == Run Xen network-bridge in booting (/usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init) ==
+cat <<EOF >/usr/lib/mkpxeinitrd-net/initrd-skel/bin/start_xen_bridge.sh
+# drbl-virt add
+NICs=$(/sbin/ifconfig | grep eth | awk '{print $1}')
+declare -i NICs_nu=$(echo $NICs |wc -l)
+NIC=""
 
-# == Copy xen netwrok scripts ==
+if [ $NICs_nu -lt 1  ];
+    for (( i=0 ; i<$NICs_nu ; i++ ))
+    do
+        NIC_IP=$(ifconfig eth${i} | grep "inet addr" | sed 's/inet addr://g' | sed 's/Bcast.*$//g')
+        if [ -n $NIC_IP ]; then
+            NIC="eth${i}"
+            break
+        fi
+    done
+else
+    NIC=$NICS
+fi
 
-# == run xen network scripts (/usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init) ==
+sh /bin/network-bridge start netdev=$NIC
+EOF
+# backup
+cp /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init.drbl-virt_bak 
+declare -i modify_line=$(cat -n /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init | grep "# clean the tag file" | awk '{print $1}')
+modify_file="/usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init"
 
-
-
+sed -i "${modify_line}i# drbl-virt add" $modify_file
+modify_line=$modify_line+1
+sed -i "${modify_line}ish /bin/start_xen_bridge.sh" $modify_file