/[sysadmin-cookbook]/recepies/lxc/ve2lxc.sh
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /recepies/lxc/ve2lxc.sh

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Revision 93 - (hide annotations)
Thu May 21 15:55:27 2009 UTC (14 years, 11 months ago) by dpavlin
File MIME type: application/x-sh
File size: 1944 byte(s)
put template lxc configuration inside script itself
change /etc/hostname

1 dpavlin 86 #!/bin/sh -x
2    
3 dpavlin 92 test -z "$1" && echo "usage: $0 /path/to/ve/private [10.60.0.253]" && exit
4 dpavlin 86
5     dir=$1
6 dpavlin 93 hostname=ve2lxc
7 dpavlin 92 ip=$2
8     netmask=255.255.254.0
9 dpavlin 86
10 dpavlin 92 test -z "$ip" && ip=10.60.0.253
11    
12 dpavlin 86 path=/$dir/etc/inittab
13     tmp=/tmp/inittab
14    
15     cp $path $tmp || exit
16    
17     function append() {
18     if ! grep "$1" $path ; then
19     echo "$1" >> $tmp
20     fi
21     }
22    
23     append "z6:6:respawn:/sbin/sulogin"
24     append "1:2345:respawn:/sbin/getty 38400 console"
25     append "c1:12345:respawn:/sbin/getty 38400 tty1 linux"
26     append "c2:12345:respawn:/sbin/getty 38400 tty2 linux"
27     append "c3:12345:respawn:/sbin/getty 38400 tty3 linux"
28     append "c4:12345:respawn:/sbin/getty 38400 tty4 linux"
29    
30     if ! diff -uw $path $tmp ; then
31     cp $path $path.old && mv $tmp $path
32     fi
33    
34     lxc-stop -n ve2lxc
35     lxc-destroy -n ve2lxc
36    
37     test -d /cgroup || mkdir /cgroup
38 dpavlin 93 grep /cgroup /etc/fstab || echo "cgroup /cgroup cgroup rw 0 0" >> /etc/fstab
39 dpavlin 86
40 dpavlin 92 grep eth0 $dir/etc/network/interfaces || cat << __interfaces__ > $dir/etc/network/interfaces
41     auto eth0 lo
42    
43     iface lo inet loopback
44    
45     iface eth0 inet static
46     address $ip
47     netmask $netmask
48    
49     __interfaces__
50    
51 dpavlin 93 echo $hostname > $dir/etc/hostname
52    
53     conf=/tmp/ve2lxc.conf
54    
55     cat << __lxc__ > $conf
56     lxc.utsname = $hostname
57     lxc.tty = 4
58     lxc.pts = 1024
59     lxc.network.type = veth
60     lxc.network.flags = up
61     lxc.network.link = br0
62     lxc.network.name = eth0
63     lxc.network.mtu = 1500
64     #lxc.mount = $MNTFILE
65     lxc.rootfs = $dir
66     lxc.cgroup.devices.deny = a
67     # /dev/null and zero
68     lxc.cgroup.devices.allow = c 1:3 rwm
69     lxc.cgroup.devices.allow = c 1:5 rwm
70     # consoles
71     lxc.cgroup.devices.allow = c 5:1 rwm
72     lxc.cgroup.devices.allow = c 5:0 rwm
73     lxc.cgroup.devices.allow = c 4:0 rwm
74     lxc.cgroup.devices.allow = c 4:1 rwm
75     # /dev/{,u}random
76     lxc.cgroup.devices.allow = c 1:9 rwm
77     lxc.cgroup.devices.allow = c 1:8 rwm
78     lxc.cgroup.devices.allow = c 136:* rwm
79     lxc.cgroup.devices.allow = c 5:2 rwm
80     # rtc
81     lxc.cgroup.devices.allow = c 254:0 rwm
82     __lxc__
83    
84 dpavlin 86 mount | grep /cgroup || mount /cgroup || exit
85    
86 dpavlin 92 lxc-create -n ve2lxc -f $conf && lxc-start -n ve2lxc

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