3 # Builds VServer reference image. Requires the web and boot servers to
4 # be up, which complicates bootstrap. Alternatively, we could require
5 # the build server to host a local yum repository. Already, it is
6 # required to run the same major version of yum as the nodes.
8 # Mark Huang <mlhuang@cs.princeton.edu>
9 # Copyright (C) 2004-2005 The Trustees of Princeton University
11 # $Id: vserver-reference.init,v 1.14 2005/09/01 18:55:11 mlhuang Exp $
14 # Get the URL for the production /etc/yum.conf file
15 YUM_CONF=http://www.planet-lab.org/$(curl --form node_id=0 --form file=/etc/yum.conf https://www.planet-lab.org/db/plnodeconf/getsinglefile.php)
18 VROOT=$PWD/vservers/vserver-reference
19 install -d -m 755 $VROOT
25 mknod -m 666 $VROOT/dev/null c 1 3
26 mknod -m 666 $VROOT/dev/zero c 1 5
27 mknod -m 666 $VROOT/dev/full c 1 7
28 mknod -m 644 $VROOT/dev/random c 1 8
29 mknod -m 644 $VROOT/dev/urandom c 1 9
30 mknod -m 666 $VROOT/dev/tty c 5 0
31 mknod -m 666 $VROOT/dev/ptmx c 5 2
32 # For bash command substitution
33 ln -nsf ../proc/self/fd /dev/fd
34 # For df and linuxconf
37 mkdir -p $VROOT/dev/net
38 mknod -m 600 $VROOT/dev/net/tun c 10 200
41 # Initialize /dev in reference image
44 # Mount /dev/pts in reference image
45 mkdir -p $VROOT/dev/pts
46 mount -t devpts none $VROOT/dev/pts
48 # Mount /proc in reference image
50 mount -t proc none $VROOT/proc
52 # Clean up before exiting if anything goes wrong
53 trap "umount $VROOT/proc ; umount $VROOT/dev/pts ; exit 255" ERR
55 # Create a dummy /etc/fstab in reference image
57 cat > $VROOT/etc/fstab <<EOF
58 # This fake fstab exists only to please df and linuxconf.
59 /dev/hdv1 / ext2 defaults 1 1
61 cp $VROOT/etc/fstab $VROOT/etc/mtab
63 # Prevent all locales from being installed in reference image
64 mkdir -p $VROOT/etc/rpm
65 cat > $VROOT/etc/rpm/macros <<EOF
66 %_install_langs en_US:en
68 %__file_context_path /dev/null
71 # This tells the Boot Manager that it is okay to update
72 # /etc/resolv.conf and /etc/hosts whenever the network configuration
73 # changes. Users are free to delete this file.
74 touch $VROOT/etc/AUTO_UPDATE_NET_FILES
76 # Trick rpm and yum, who read the real root /etc/rpm/macros file
77 # rather than the one installed in the reference image, despite what
78 # you might expect the --root and --installroot options to mean. Both
79 # programs always read $HOME/.rpmmacros.
81 ln -sf $VROOT/etc/rpm/macros $PWD/.rpmmacros
83 # Initialize RPM database in reference image
84 mkdir -p $VROOT/var/lib/rpm
85 rpm --root $VROOT --initdb
88 yum -c $YUM_CONF --installroot=$VROOT -y groupinstall VServer
90 # Freshen the RPM set with any just built. This does not help when a
91 # completely new PlanetLab package must be installed in the reference
92 # image. To work around this limitation, introduce the new package in
93 # one release, then include it in the VServer yumgroup in the next.
94 FRESHEN=$RPM_BUILD_DIR/../RPMS/*/*.rpm
95 if [ -n "$FRESHEN" ] ; then
96 rpm --root $VROOT --freshen --verbose $FRESHEN
99 # Remove stale RPM locks
100 rm -f $VROOT/var/lib/rpm/__db*
102 # Clean up /dev in reference image
103 umount $VROOT/dev/pts
106 # Disable all services in reference image
107 /usr/sbin/chroot $VROOT /bin/sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"