#!/bin/bash
# -*-shell-*-
+# $Id$
COMMAND=$(basename $0)
DIRNAME=$(dirname $0)
# pkgs parsing utilities
PATH=$(dirname $0):$PATH . build.common
-DEFAULT_FCDISTRO=f8
+DEFAULT_FCDISTRO=centos5
DEFAULT_PLDISTRO=planetlab
DEFAULT_PERSONALITY=linux32
+DEFAULT_IFNAME=eth0
+
+COMMAND_VBUILD="vbuild-init-vserver.sh"
+COMMAND_MYPLC="vtest-init-vserver.sh"
function failure () {
echo "$COMMAND : Bailing out"
vserver=$1; shift
fcdistro=$1; shift
- cd /etc/vservers/.distributions/${fcdistro}
- if [ -f yum/yum.conf ] ; then
- echo "Initializing yum.conf in $vserver from $(pwd)/yum"
+ templates=/etc/vservers/.distributions/${fcdistro}
+ if [ -f ${templates}/yum/yum.conf ] ; then
+ echo "Initializing yum.conf in $vserver from ${templates}/yum"
sed -e "s!@YUMETCDIR@!/etc!g;
s!@YUMCACHEDIR@!/var/cache/yum!g;
s!@YUMLOGDIR@!/var/log!g;
s!@YUMLOCKDIR@!/var/lock!g;
- " yum/yum.conf > /vservers/$vserver/etc/yum.conf
+ " ${templates}/yum/yum.conf > /vservers/$vserver/etc/yum.conf
# post process the various @...@ variables from this yum.conf file.
else
echo "Using $fcdistro default for yum.conf"
fi
- if [ -d yum.repos.d ] ; then
- echo "Initializing yum.repos.d in $vserver from $(pwd)/yum.repos.d"
+ if [ -d ${templates}/yum.repos.d ] ; then
+ echo "Initializing yum.repos.d in $vserver from ${templates}/yum.repos.d"
rm -rf /vservers/$vserver/etc/yum.repos.d
- tar cf - yum.repos.d | tar -C /vservers/$vserver/etc -xvf -
+ tar -C ${templates} -cf - yum.repos.d | tar -C /vservers/$vserver/etc -xvf -
else
echo "Cannot initialize yum.repos.d in $vserver"
fi
echo "WARNING : cannot create myplc repo"
else
# exclude kernel from fedora repos
- for i in /vservers/$vserver/etc/yum.repos.d/* ; do
- [ -f $i ] && echo "exclude=kernel* ulogd iptables" >> $i
+ for repo in /vservers/$vserver/etc/yum.repos.d/* ; do
+ [ -f $repo ] && yumconf_exclude $repo "exclude=$pl_KEXCLUDES"
done
# the build repo is not signed at this stage
cat > /vservers/$vserver/etc/yum.repos.d/myplc.repo <<EOF
EOF
fi
fi
- cd -
}
+# return yum or debootstrap
+function package_method () {
+ fcdistro=$1; shift
+ case $fcdistro in
+ f[0-9]*|centos[0-9]*) echo yum ;;
+ lenny|etch) echo debootstrap ;;
+ *) echo Unknown distro $fcdistro ;;
+ esac
+}
+
+# return arch from debian distro and personality
+function canonical_arch () {
+ personality=$1; shift
+ fcdistro=$1; shift
+ case $(package_method $fcdistro) in
+ yum)
+ case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
+ debootstrap)
+ case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
+ *)
+ echo Unknown-arch-3 ;;
+ esac
+}
+
function setup_vserver () {
set -x
exit 1
fi
+ pkg_method=$(package_method $fcdistro)
+ case $pkg_method in
+ yum)
+ build_options="-m yum -- -d $fcdistro"
+ ;;
+ debootstrap)
+ arch=$(canonical_arch $personality $fcdistro)
+ build_options="-m debootstrap -- -d $fcdistro -- --arch $arch"
+ ;;
+ *)
+ build_options="something wrong" ;;
+ esac
+
# create it
# try to work around the vserver issue:
# vc_ctx_migrate: No such process
# rpm-fake.so: failed to initialize communication with resolver
- for i in 1 2 3 4 5 ; do
- $personality vserver $VERBOSE $vserver build $VSERVER_OPTIONS -m yum -- -d $fcdistro && break || true
- echo "Waiting for one minute"
- sleep 60
+ for i in $(seq 20) ; do
+ $personality vserver $VERBOSE $vserver build $VSERVER_OPTIONS $build_options && break || true
+ echo "* ${i}-th attempt to 'vserver build' failed - waiting for 3 seconds"
+ sleep 3
done
# check success
[ -d /vservers/$vserver ]
[ $cap -eq 0 ] && echo 'CAP_NET_BIND_SERVICE' >> /etc/vservers/$vserver/bcapabilities
fi
- $personality vyum $vserver -- -y install yum
- # ditto
- for i in 1 2 3 4 5 ; do
- $personality vserver $VERBOSE $vserver pkgmgmt internalize && break || true
- echo "Waiting for one minute"
- sleep 60
- done
+ if [ "$pkg_method" = "yum" ] ; then
+ $personality vyum $vserver -- -y install yum
+ # ditto
+ for i in $(seq 20) ; do
+ $personality vserver $VERBOSE $vserver pkgmgmt internalize && break || true
+ echo "* ${i}-th attempt to 'vserver pkgmgmt internalize' failed - waiting for 3 seconds"
+ sleep 3
+ done
+ fi
# start the vserver so we can do the following operations
$personality vserver $VERBOSE $vserver start
- $personality vserver $VERBOSE $vserver exec sh -c "rm -f /var/lib/rpm/__db*"
- $personality vserver $VERBOSE $vserver exec rpm --rebuilddb
-
+ [ "$pkg_method" = "yum" ] && $personality vserver $VERBOSE $vserver exec sh -c "rm -f /var/lib/rpm/__db*"
+ [ "$pkg_method" = "yum" ] && $personality vserver $VERBOSE $vserver exec rpm --rebuilddb
+
+ # with vserver 2.3, granting the vserver CAP_MKNOD is not enough
+ # check whether we run vs2.3 or above
+ vs_version=$(uname -a | sed -e 's,.*[\.\-]vs\([0-9]\)\.\([0-9]\)\..*,\1\2,')
+ # at this stage we have here 22 or 23
+ need_vdevmap=$(( $vs_version >= 23 ))
+
+ if [ "$need_vdevmap" == 1 ] ; then
+ ctx=$(cat /etc/vservers/$vserver/context)
+ vdevmap --set --xid $ctx --open --create --target /dev/null
+ vdevmap --set --xid $ctx --open --create --target /dev/root
+ fi
+
# minimal config in the vserver for yum to work
- configure_yum_in_vserver $vserver $fcdistro
+ [ "$pkg_method" = "yum" ] && configure_yum_in_vserver $vserver $fcdistro
# set up resolv.conf
cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf
+ # and /etc/hosts for at least localhost
+ [ -f /vservers/$vserver/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > /vservers/$vserver/etc/hosts
}
-function devel_tools () {
+function devel_or_vtest_tools () {
set -x
set -e
pldistro=$1; shift
personality=$1; shift
+ pkg_method=$(package_method $fcdistro)
+
# check for .pkgs file based on pldistro
if [ -n "$VBUILD_MODE" ] ; then
pkgsname=devel.pkgs
fi
pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $pkgsname)
- # install individual packages, then groups
- packages=$(pl_getPackages ${fcdistro} $pkgsfile)
- groups=$(pl_getGroups ${fcdistro} $pkgsfile)
+ ### install individual packages, then groups
+ # get target arch - use uname -i here (we want either x86_64 or i386)
+ vserver_arch=$($personality vserver $vserver exec uname -i)
+ # on debian systems we get arch through the 'arch' command
+ [ "$vserver_arch" = "unknown" ] && vserver_arch=$($personality vserver $vserver exec arch)
+
+ packages=$(pl_getPackages -a $vserver_arch $fcdistro $pldistro $pkgsfile)
+ groups=$(pl_getGroups -a $vserver_arch $fcdistro $pldistro $pkgsfile)
+
+ [ "$pkg_method" = yum ] && [ -n "$packages" ] && $personality vserver $vserver exec yum -y install $packages
+ [ "$pkg_method" = yum ] && [ -n "$groups" ] && $personality vserver $vserver exec yum -y groupinstall $groups
- [ -n "$packages" ] && $personality vserver $vserver exec yum -y install $packages
- [ -n "$groups" ] && $personality vserver $vserver exec yum -y groupinstall $groups
+ [ "$pkg_method" = debootstrap ] && $personality vserver $vserver exec apt-get update
+ [ "$pkg_method" = debootstrap ] && for package in $packages ; do
+ $personality vserver $vserver exec apt-get install -y $package
+ done
+
return 0
}
else
post_install_myplc "$@"
fi
+ # setup localtime from the host
+ vserver=$1; shift
+ cp /etc/localtime /vservers/$vserver/etc/localtime
}
function post_install_vbuild () {
# be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
+ # create /etc/sysconfig/network if missing
+ [ -f /etc/sysconfig/network ] || echo NETWORKING=yes > /etc/sysconfig/network
+
# create symlink for /dev/fd
[ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
+ # turn off regular crond, as plc invokes plc_crond
+ chkconfig crond off
+
+ # take care of loginuid in /etc/pam.d
+ sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
+
# customize root's prompt
cat << PROFILE > /root/.profile
export PS1="[$vserver] \\w # "
EOF
}
-COMMAND_VBUILD="vbuild-init-vserver.sh"
-COMMAND_MYPLC="vtest-init-vserver.sh"
+# parses ifconfig's output to find out ip address and mask
+# will then be passed to vserver as e.g. --interface 138.96.250.126/255.255.0.0
+# default is to use lo, that's enough for local mirrors
+# use -i eth0 in case your fedora mirror is on a separate box on the network
+function vserverIfconfig () {
+ ifname=$1; shift
+ local result=""
+ line=$(ifconfig $ifname 2> /dev/null | grep 'inet addr')
+ if [ -n "$line" ] ; then
+ set $line
+ for word in "$@" ; do
+ addr=$(echo $word | sed -e s,[aA][dD][dD][rR]:,,)
+ mask=$(echo $word | sed -e s,[mM][aA][sS][kK]:,,)
+ if [ "$word" != "$addr" ] ; then
+ result="${addr}"
+ elif [ "$word" != "$mask" ] ; then
+ result="${result}/${mask}"
+ fi
+ done
+ fi
+ if [ -z "$result" ] ; then
+ echo "vserverIfconfig failed to locate $ifname"
+ exit 1
+ else
+ echo $result
+ fi
+}
+
function usage () {
set +x
echo "Usage: $COMMAND_VBUILD [options] vserver-name [ -- vserver-options ]"
echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
echo " -p personality - defaults to $DEFAULT_PERSONALITY"
+ echo " -i ifname: determines ip and netmask attached to ifname, and passes it to the vserver"
echo " -v : verbose - passes -v to calls to vserver"
echo "vserver-options"
echo " all args after the optional -- are passed to vserver <name> build <options>"
esac
VERBOSE=
- while getopts "f:d:p:v" opt ; do
+ IFNAME=""
+ VSERVER_OPTIONS=""
+ while getopts "f:d:p:i:v" opt ; do
case $opt in
f) fcdistro=$OPTARG;;
d) pldistro=$OPTARG;;
p) personality=$OPTARG;;
+ i) IFNAME=$OPTARG;;
v) VERBOSE="-v" ;;
*) usage ;;
esac
fi
fi
+ # with new util-vserver, it is mandatory to provide an IP even for building
+ if [ -n "$VBUILD_MODE" ] ; then
+ [ -z "$IFNAME" ] && IFNAME=$DEFAULT_IFNAME
+ fi
+ if [ -n "$IFNAME" ] ; then
+ localip=$(vserverIfconfig $IFNAME)
+ VSERVER_OPTIONS="$VSERVER_OPTIONS --interface $localip"
+ fi
+
[ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
[ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
[ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
setup_vserver $vserver $fcdistro $personality
- devel_tools $vserver $fcdistro $pldistro $personality
+ devel_or_vtest_tools $vserver $fcdistro $pldistro $personality
post_install $vserver $personality
}