#!/bin/bash
#
-# Builds a Fedora Core reference image. Requires the build server to
+# Builds a Fedora reference image. Requires the build server to
# host a local yum repository in one of:
#
# /usr/share/mirrors/fedora
# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2004-2006 The Trustees of Princeton University
#
-# $Id: mkfedora,v 1.6 2006/04/03 19:11:46 mlhuang Exp $
+# $Id$
#
export PATH=/sbin:/bin:/usr/sbin:/usr/bin
# Default yum repositories to try
mirrors=(
-file:///usr/share/mirrors/fedora
-file:///var/www/html/mirrors/fedora
+file:///data/fedora
+http://localhost/fedora
ftp://smoke.cs.princeton.edu/pub/mirrors/fedora
-ftp://128.112.137.30/pub/mirrors/fedora
-http://coblitz.planet-lab.org/pub/fedora
+http://coblitz.codeen.org/coblitz.planet-lab.org/pub/fedora
ftp://mirror.cs.princeton.edu/pub/mirrors/fedora
+http://coblitz.planet-lab.org/pub/fedora
+ftp://mirror.stanford.edu/pub/mirrors/fedora
+ftp://rpmfind.net/linux/fedora
+http://fedora.laptop.org/fedora-linux-releases
)
# Release and architecture to install
-releasever=2
+releasever=4
basearch=i386
# Yum groups to install
# Packages to install
packages=()
+# Packages to exclude
+exclude=()
+
+# Exclude kernel* (and related) packages from all repositories except bootstrap
+exclude_kernel=
+
+# PlanetLab development environment
+if [ -f /etc/planetlab/plc_config ] ; then
+ . /etc/planetlab/plc_config
+ if [ -n "$PLC_DEVEL_FEDORA_URL" ] ; then
+ mirrors=($PLC_DEVEL_FEDORA_URL)
+ fi
+fi
+
usage()
{
echo "Usage: mkfedora [OPTION]... [basedir]"
echo " Yumgroups to install (default: none)"
echo " -p package1 -p package2 ..."
echo " Additional packages to install (default: none)"
+ echo " -x package1 -x package2 ..."
+ echo " Packages to exclude (default: none)"
+ echo " -k Exclude kernel* packages from all repositories except bootstrap"
echo " -v Be verbose"
echo " -h This message"
exit 1
}
# Get options
-while getopts "l:r:a:g:p:vh" opt ; do
+while getopts "l:r:a:g:p:x:kvh" opt ; do
case $opt in
l)
if echo $OPTARG | grep -q -i '^\(file\|http[s]*\)://' ; then
p)
packages[${#packages[*]}]="$OPTARG"
;;
+ x)
+ exclude[${#exclude[*]}]="$OPTARG"
+ ;;
+ k)
+ exclude_kernel="exclude=kernel* ulogd iptables"
+ ;;
v)
verbose=1
set -x
exit 1
fi
-# Old versions of curl don't understand file:// URLs
fetch ()
{
- url=$1
- if curl --fail --silent --max-time 60 $url ; then
- return 0
- else
- if [ -f ${url#file://} ] ; then
- cat ${url#file://}
- return 0
- fi
- fi
- return 1
+ curl --fail --silent --max-time 60 "$1"
}
+# hard to find two mirrors with a similar layout
+# set list of attempted locations according to releasever
+if [ $releasever -ge 7 ] ; then
+ attempts="
+$releasever/Everything/$basearch/os
+core/$releasever/Everything/$basearch/os \
+linux/core/$releasever/$basearch/os
+"
+else
+ attempts="
+linux/core/$releasever/$basearch/os
+core/$releasever/$basearch/os
+$releasever/$basearch/os
+"
+fi
+
for mirror in "${mirrors[@]}" ; do
- baseurl=$mirror/linux/core/$releasever/$basearch/os
- if fetch $baseurl/repodata/repomd.xml >/dev/null ; then
+ for attempt in $attempts; do
+ baseurl=$mirror/$attempt
+ if fetch $baseurl/repodata/repomd.xml >/dev/null ; then
+ break
+ fi
+ unset baseurl
+ done
+ if [ -n "$baseurl" ] ; then
break
fi
unset baseurl
done
if [ -z "$baseurl" ] ; then
- echo "Error: linux/core/$releasever/$basearch/os/repodata/repomd.xml"
+ echo "Error: $releasever/$basearch/os/repodata/repomd.xml"
echo " could not be found in any of the following locations:"
echo
for mirror in ${mirrors[@]} ; do
- echo $mirror
+ for attempt in $attempts ; do
+ echo $mirror/$attempt
+ done
done
echo
usage
exec 2>/dev/null
fi
-# Scratch space
-tmp=$(mktemp -d /tmp/mkfedora.XXXXXX)
-
-# Minimally initialize /dev in reference image. If installed, the dev
-# or udev RPMs will fill in the rest.
-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 $vroot/dev/fd
-# For df and linuxconf
-touch $vroot/dev/hdv1
-
-# Mount /dev/pts in reference image
-mkdir -p $vroot/dev/pts
-mount -t devpts none $vroot/dev/pts
+# Do not tolerate errors
+set -e
-# Mount /dev/shm in reference image
-mkdir -p $vroot/dev/shm
+# Mount /dev/pts and /dev/shm in reference image
+mount -t devpts none $vroot/dev/pts
mount -t tmpfs none $vroot/dev/shm
# Mount /proc in reference image
cleanup ()
{
- umount $vroot/proc
- umount $vroot/dev/shm
- umount $vroot/dev/pts
- rm -rf $tmp
+ umount -l $vroot/proc
+ umount -l $vroot/dev/shm
+ umount -l $vroot/dev/pts
}
# Clean up before exiting if anything goes wrong
-trap "cleanup; exit 1" ERR
+trap "cleanup" ERR INT
+
+# Create a /var/lib dirs for yum & rpm
+mkdir -p $vroot/var/lib/yum
+mkdir -p $vroot/var/lib/rpm
+mkdir -p $vroot/usr/share/info
# Create a dummy /etc/fstab in reference image
mkdir -p $vroot/etc
# Initialize yum in reference image
mkdir -p $vroot/var/cache/yum $vroot/var/log
+if [ $releasever -lt 7 ] ; then
+ corename="Core "
+else
+ corename=""
+fi
+
cat >$vroot/etc/yum.conf <<EOF
[main]
cachedir=/var/cache/yum
reposdir=/dev/null
[base]
-name=Fedora Core $releasever - $basearch - base
+name=Fedora ${corename}${releasever} - $basearch - base
baseurl=$baseurl/
+$exclude_kernel
EOF
-for optional in core/updates extras ; do
- if fetch $mirror/linux/$optional/$releasever/$basearch/repodata/repomd.xml ; then
- cat >>$vroot/etc/yum.conf <<EOF
+for optional in updates extras ; do
+ for optionalurl in \
+ $mirror/linux/core/$optional/$releasever/$basearch \
+ $mirror/core/$optional/$releasever/$basearch \
+ $mirror/linux/$optional/$releasever/$basearch \
+ $mirror/$optional/$releasever/$basearch ; do
+ if fetch $optionalurl/repodata/repomd.xml ; then
+ cat >>$vroot/etc/yum.conf <<EOF
[$(basename $optional)]
-name=Fedora Core $releasever - $basearch - $(basename $optional)
-baseurl=$mirror/linux/$optional/$releasever/$basearch/
+name=Fedora ${corename}${releasever} - $basearch - $(basename $optional)
+baseurl=$optionalurl/
+$exclude_kernel
EOF
- fi
+ break
+ fi
+ done
done
# If we are being built as part of an automated RPM build, solve the
RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
# yum-2.0.x
if [ -x /usr/bin/yum-arch ] ; then
- yum-arch $RPM_RPMS_DIR
+ yum-arch -q $RPM_RPMS_DIR
fi
# yum-2.4.x
if [ -x /usr/bin/createrepo ] ; then
if [ -f $RPM_RPMS_DIR/yumgroups.xml ] ; then
groupfile="-g yumgroups.xml"
fi
- createrepo $groupfile $RPM_RPMS_DIR
+ createrepo --quiet $groupfile $RPM_RPMS_DIR
fi
# If run under sudo, allow user to delete the headers/ and
# repodata/ directories.
EOF
fi
-# glibc must be specified explicitly for the correct arch to be chosen.
+excludes=
+for package in "${exclude[@]}" ; do
+ excludes="$excludes --exclude=$package"
+done
+
+# glibc must be specified explicitly for the correct arch to be
+# chosen.
echo "* Installing glibc" >&3
-yum -c $vroot/etc/yum.conf --installroot=$vroot -y install glibc
+yum -c $vroot/etc/yum.conf --installroot=$vroot -y $excludes install glibc
# Go, baby, go
-if [ ${#groups[*]} -gt 0 ] ; then
- echo "* Installing optional groups" >&3
- yum -c $vroot/etc/yum.conf --installroot=$vroot -y \
- groupinstall "${groups[@]}"
+if [ ${#packages[*]} -gt 0 ] ; then
+ echo "* Installing optional packages" "${packages[@]}" >&3
+ yum -c $vroot/etc/yum.conf --installroot=$vroot -y $excludes \
+ install "${packages[@]}"
+ if ! rpm --root $vroot -q "${packages[@]}" >/dev/null ; then
+ echo "* Warning: Missing packages"
+ rpm --root $vroot -q "${packages[@]}" | grep "not installed"
+ fi
fi
-if [ ${#packages[*]} -gt 0 ] ; then
- echo "* Installing optional packages" >&3
- yum -c $vroot/etc/yum.conf --installroot=$vroot -y \
- install "${packages[@]}"
+if [ ${#groups[*]} -gt 0 ] ; then
+ ## call yum sequentially to get finer-grained info on dependencies
+ for grp in "${groups[@]}" ; do
+ echo "* Installing optional group $grp" >&3
+ yum -c $vroot/etc/yum.conf --installroot=$vroot -y $excludes \
+ groupinstall "$grp"
+ done
fi
# FC2 dev %preinstall checks /proc/mounts to make sure that /dev is
ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
fi
+
+# remove trap handler, as we are about to call it directly.
+trap - ERR INT
+
# Clean up
cleanup