source: drbl-virt/sbin/drbl_xen_patch.sh @ 200

Last change on this file since 200 was 191, checked in by rock, 14 years ago

Add Function Code: generate PXE PV-VM configuration

  • Property svn:executable set to *
File size: 5.9 KB
Line 
1#!/bin/bash
2# Program:
3#   Path DRBL evironment to support Xen/KVM
4# Author:
5#   Jazz, Rock {jazz, rock}@nchc.org.tw
6# Version:
7#    1.0
8# History:                                                                                         
9#   2010/07/20  Rock    First release (1.0)
10
11# [Source]
12source /opt/drbl-virt/conf/drbl-virt.conf
13source $Work_Path/functions_drbl_virt
14
15# [Main]
16
17# = 1. Patch DRBL xen env for client =
18# == Shutdown all drbl client ==
19echo "Please check all client are shutdown !!!"
20echo "you can use /opt/drbl/sbin/dcs to shutdown."
21read -p "Push 'Enter' to continue......"
22
23# == Change xen kernel for drbl client ==
24check_xen_nu
25Xen_Kernel=$(echo $Xen_Kernel | sed 's/^vmlinuz-//g' )
26echo $Xen_Kernel > $Work_Home/etc/Xen_Kernel
27# == Copy xen image to /tftpboot/nbi_img/ ==
28echo "copy Xen image & Kernel to /tftpboot/nbi_img/"
29cp /boot/*xen* /tftpboot/nbi_img/
30cp /boot/vmlinuz-${Xen_Kernel} /tftpboot/nbi_img/
31cp /boot/initrd.img-${Xen_Kernel} /tftpboot/nbi_img/
32cp /boot/config-${Xen_Kernel} /tftpboot/nbi_img/
33echo ""
34
35# == Modify PXE booting menu ==
36# if menu doesn't has drbl-virt, then add it
37cat /opt/drbl/sbin/generate-pxe-menu | grep "label drbl-virt" >> /dev/null
38if [  $? != 0 ]; then
39# backup generate-pxe-menu
40cp /tftpboot/nbi_img/pxelinux.cfg/default /tftpboot/nbi_img/pxelinux.cfg/default.drbl-virt_bak
41cp /opt/drbl/sbin/generate-pxe-menu /opt/drbl/sbin/generate-pxe-menu.drbl-virt_bak
42
43generate_PXE_menu="/opt/drbl/sbin/generate-pxe-menu"
44declare -i modify_line=$(cat -n $generate_PXE_menu | grep 'label drbl' | awk 'NR==1 {print $1}')
45# delete default
46sed -i 's/^  MENU DEFAULT/  # MENU DEFAULT/g' $generate_PXE_menu
47# modify menu
48sed -i "${modify_line}i\label drbl-virt" $generate_PXE_menu
49modify_line=$modify_line+1
50sed -i "${modify_line}i\  MENU DEFAULT" $generate_PXE_menu
51modify_line=$modify_line+1
52sed -i "${modify_line}i\  # MENU HIDE" $generate_PXE_menu
53modify_line=$modify_line+1
54sed -i "${modify_line}i\  MENU LABEL DRBL-Virtualization ($Xen, $Xen_Kernel)" $generate_PXE_menu
55modify_line=$modify_line+1
56sed -i "${modify_line}i\  kernel mboot.c32" $generate_PXE_menu
57modify_line=$modify_line+1
58sed -i "${modify_line}i\  append $Xen --- vmlinuz-pxe --- initrd-pxe.img devfs=nomount drblthincli=off selinux=0 nomodeset" $generate_PXE_menu
59modify_line=$modify_line+1
60sed -i "${modify_line}i\  TEXT HELP" $generate_PXE_menu
61modify_line=$modify_line+1
62sed -i "${modify_line}i\  ENDTEXT" $generate_PXE_menu
63modify_line=$modify_line+1
64sed -i "${modify_line}i\ " $generate_PXE_menu
65fi
66
67# = 2. Patch DRBL initrd to support bridge =
68# == Patch /usr/bin/mkpxeinitrd-net (1)Xen network scripts (2)command (3)modules ==
69# backup mkpxeinitrd-net. if already has "drbl-virt add", dones't sed
70cat /usr/bin/mkpxeinitrd-net | grep "# drbl-virt add" >> /dev/null
71if [ $? != 0 ]; then
72cp /usr/bin/mkpxeinitrd-net /usr/bin/mkpxeinitrd-net.drbl-virt_bak
73# copy Xen network scripts
74cp /etc/xen/scripts/network-bridge /usr/lib/mkpxeinitrd-net/initrd-skel/bin/
75cp /etc/xen/scripts/xen-network-common.sh /usr/lib/mkpxeinitrd-net/initrd-skel/bin/
76cp /etc/xen/scripts/xen-script-common.sh /usr/lib/mkpxeinitrd-net/initrd-skel/bin/
77# patch it to copy command
78declare -i modify_line=$(cat -n /usr/bin/mkpxeinitrd-net | grep 'include_bin_prog_from_server=' | awk '{print $1}')
79modify_file="/usr/bin/mkpxeinitrd-net"
80sed -i "${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 bash'" $modify_file
81sed -i "${modify_line}i# drbl-virt add" $modify_file
82# patch it to copy modules
83declare -i modify_line=$(cat -n /usr/bin/mkpxeinitrd-net | grep "# Deal with firmwares" | awk '{print $1}')
84sed -i "${modify_line}i# drbl-virt add" $modify_file
85modify_line=$modify_line+1
86sed -i "${modify_line}icp -a --parents kernel/net/bridge/bridge.ko \$initrd/lib/modules/\$kernel_ver/" $modify_file
87modify_line=$modify_line+1
88sed -i "${modify_line}icp -a --parents kernel/drivers/xen/netback/netloop.ko \$initrd/lib/modules/\$kernel_ver/" $modify_file
89
90# == Add start_xen_bridge.sh to run Xen network-bridge (/usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init) ==
91cat <<EOF >/usr/lib/mkpxeinitrd-net/initrd-skel/bin/start_xen_bridge.sh
92#!/bin/bash
93# drbl-virt add
94NICs=\$(/sbin/ifconfig | grep eth | awk '{print \$1}')
95declare -i NICs_nu=\$(echo \$NICs |wc -l)
96NIC=""
97
98if [ \$NICs_nu -lt 1  ]; then
99    for (( i=0 ; i<\$NICs_nu ; i++ ))
100    do
101        NIC_IP=\$(ifconfig eth\${i} | grep "inet addr" | sed 's/inet addr://g' | sed 's/Bcast.*$//g')
102        if [ -n \$NIC_IP ]; then
103            NIC="eth\${i}"
104            break
105        fi
106    done
107else
108    NIC=\$NICS
109fi
110
111bash /bin/network-bridge start netdev=\$NIC
112EOF
113fi
114# == Run start_xen_bridge.sh when booting  ==
115cat /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init | grep "bash /bin/start_xen_bridge.sh" >> /dev/null
116if [ $? != 0 ]; then
117    # backup linuxrc-or-init
118    cp /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init.drbl-virt_bak
119    declare -i modify_line=$(cat -n /usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init | grep "# clean the tag file" | awk '{print $1}')
120    modify_file="/usr/lib/mkpxeinitrd-net/initrd-skel/linuxrc-or-init"
121
122    sed -i "${modify_line}i# drbl-virt add" $modify_file
123    modify_line=$modify_line+1
124    sed -i "${modify_line}ibash /bin/start_xen_bridge.sh" $modify_file
125fi
126
127
128# = 3. enable xend xendomains daemon in DRBL Client =
129if [ -e /opt/drbl/conf/client-extra-service ]; then
130    echo 'service_extra_added="xend xendomains"' >> /opt/drbl/conf/client-extra-service
131else
132    echo 'service_extra_added="xend xendomains"' > /opt/drbl/conf/client-extra-service
133fi
134
135# = 4. enable xend xendomains daemon afterr drblpush =
136# /opt/drbl/sbin/drbl-client-service xend on
137
138# = 5. cp xen kernel & initrd to /home/domains =
139if [ ! -e /home/domains ]; then
140    mkdir /home/domains
141fi
142cp /tftpboot/nbi_img/*xen* /home/domains
143cp /tftpboot/nbi_img/vmlinuz-pxe /home/domains
144cp /tftpboot/nbi_img/initrd-pxe.img /home/domains
145
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