Solve the bootstrap problem by including any just built packages in

the yum configuration. This cooperates with the PlanetLab build
system.

diff --git a/build.sh b/build.sh
new file mode 100755 (executable)
index 0000000..d270807
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+#
+# Builds VServer reference image. Requires the web and boot servers to
+# be up, which complicates bootstrap. Alternatively, we could require
+# the build server to host a local yum repository. Already, it is
+# required to run the same major version of yum as the nodes.
+#
+# Mark Huang <mlhuang@cs.princeton.edu>
+# Copyright (C) 2004-2005 The Trustees of Princeton University
+#
+# $Id: vserver-reference.init,v 1.17 2005/09/02 19:46:37 mlhuang Exp $
+#
+
+# Get the production /etc/yum.conf file. XXX When MAs begin deploying
+# their own boot servers and/or code, this will have to change.
+curl --silent http://boot.planet-lab.org/$(curl --silent --insecure --form node_id=0 --form file=/etc/yum.conf https://boot.planet-lab.org/db/plnodeconf/getsinglefile.php) > yum.conf
+
+# Solve the bootstrap problem by including any just built packages in
+# the yum configuration. This cooperates with the PlanetLab build
+# system.
+if [ -n "$RPM_BUILD_DIR" ] ; then
+    # Remove any [PlanetLab*] sections
+    sed -i -f - yum.conf <<EOF
+# Match lines between [PlanetLab*] and the next [*
+/\[PlanetLab.*\]/I,/^\[/{
+# Delete [PlanetLab*]
+/\[PlanetLab.*\]/Id
+# Done when we see [*
+/^\[/b
+# Otherwise delete
+d
+}
+EOF
+
+    # And replace them with a section for the RPMS that were just built
+    cat >> yum.conf <<EOF
+[Bootstrap]
+name=Bootstrap RPMS -- $(dirname $RPM_BUILD_DIR)/RPMS/
+baseurl=file://$(dirname $RPM_BUILD_DIR)/RPMS/
+EOF
+fi
+
+# Make /vservers
+VROOT=$PWD/vservers/vserver-reference
+install -d -m 755 $VROOT
+
+MAKEDEV ()
+{
+    rm -rf $VROOT/dev
+    mkdir -p $VROOT/dev
+    mknod -m 666 $VROOT/dev/null c 1 3
+    mknod -m 666 $VROOT/dev/zero c 1 5
+    mknod -m 666 $VROOT/dev/full c 1 7
+    mknod -m 644 $VROOT/dev/random c 1 8
+    mknod -m 644 $VROOT/dev/urandom c 1 9
+    mknod -m 666 $VROOT/dev/tty c 5 0
+    mknod -m 666 $VROOT/dev/ptmx c 5 2
+    # For bash command substitution
+    ln -nsf ../proc/self/fd /dev/fd
+    # For df and linuxconf
+    touch $VROOT/dev/hdv1
+    # For TUN/TAP
+    mkdir -p $VROOT/dev/net
+    mknod -m 600 $VROOT/dev/net/tun c 10 200
+}
+
+# Initialize /dev in reference image
+MAKEDEV
+
+# Mount /dev/pts in reference image
+mkdir -p $VROOT/dev/pts
+mount -t devpts none $VROOT/dev/pts
+
+# Mount /proc in reference image
+mkdir -p $VROOT/proc
+mount -t proc none $VROOT/proc
+
+# Clean up before exiting if anything goes wrong
+trap "umount $VROOT/proc ; umount $VROOT/dev/pts ; exit 255" ERR
+
+# Create a dummy /etc/fstab in reference image
+mkdir -p $VROOT/etc
+cat > $VROOT/etc/fstab <<EOF
+# This fake fstab exists only to please df and linuxconf.
+/dev/hdv1      /       ext2    defaults        1 1
+EOF
+cp $VROOT/etc/fstab $VROOT/etc/mtab
+
+# Prevent all locales from being installed in reference image
+mkdir -p $VROOT/etc/rpm
+cat > $VROOT/etc/rpm/macros <<EOF
+%_install_langs en_US:en
+%_excludedocs 1
+%__file_context_path /dev/null
+EOF
+
+# This tells the Boot Manager that it is okay to update
+# /etc/resolv.conf and /etc/hosts whenever the network configuration
+# changes. Users are free to delete this file.
+touch $VROOT/etc/AUTO_UPDATE_NET_FILES
+
+# Trick rpm and yum, who read the real root /etc/rpm/macros file
+# rather than the one installed in the reference image, despite what
+# you might expect the --root and --installroot options to mean. Both
+# programs always read $HOME/.rpmmacros.
+export HOME=$PWD
+ln -sf $VROOT/etc/rpm/macros $PWD/.rpmmacros
+
+# Initialize RPM database in reference image
+mkdir -p $VROOT/var/lib/rpm
+rpm --root $VROOT --initdb
+
+# Go, baby, go
+yum -c yum.conf --installroot=$VROOT -y groupinstall VServer
+
+# Remove stale RPM locks
+rm -f $VROOT/var/lib/rpm/__db*
+
+# Clean up /dev in reference image
+umount $VROOT/dev/pts
+MAKEDEV
+
+# Disable all services in reference image
+/usr/sbin/chroot $VROOT /bin/sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
+
+# Clean up
+umount $VROOT/proc
+
+exit 0