#!/bin/bash
# -*-shell-*-
+# close stdin, as with ubuntu and debian VMs this script tends to hang and wait for input ..
+0<&-
+
#shopt -s huponexit
COMMAND=$(basename $0)
DIRNAME=$(dirname $0)
BUILD_DIR=$(pwd)
-# pkgs parsing utilities
+# pkgs parsing utilities + lbuild-bridge.sh
export PATH=$(dirname $0):$PATH
+# old guests have e.g. mount in /bin but this is no longer part of
+# the standard PATH in recent hosts after usrmove, so let's keep it simple
+export PATH=$PATH:/bin:/sbin
+
. build.common
-DEFAULT_FCDISTRO=f20
+# xxx fixme : we pass $lxc around in functions,
+# but in fact then we use lxc_root which is a global..
+# it works, but this really is poor practice
+# we should have an lxc_root function instead
+function lxcroot () {
+ local lxc=$1; shift
+ echo /vservers/$lxc
+}
+
+# XXX fixme : when creating a 32bits VM we need to call linux32 as appropriate...s
+
+DEFAULT_FCDISTRO=f29
DEFAULT_PLDISTRO=lxc
DEFAULT_PERSONALITY=linux64
-
-COMMAND_LBUILD="lbuild-initvm.sh"
-COMMAND_LTEST="ltest-initvm.sh"
+DEFAULT_MEMORY=3072
##########
-# when creating build boxes we use private NAT'ed addresses for the VMs
-# as per virbr0 that is taken care of by libvirt at startup
-PRIVATE_BRIDGE="virbr0"
-PRIVATE_PREFIX="192.168.122."
-PRIVATE_GATEWAY="192.168.122.1"
-# beware that changing this would break the logic of random_private_byte...
-PRIVATE_MASKLEN=24
-
-# we just try randomly in that range until a free IP address shows up
-PRIVATE_ATTEMPTS=20
-
# constant
PUBLIC_BRIDGE=br0
# the network interface name as seen from the container
VIF_GUEST=eth0
-##############################
-## stolen from tests/system/template-qemu/qemu-bridge-init
-# use /proc/net/dev instead of a hard-wired list
-function gather_interfaces () {
- python <<EOF
-for line in file("/proc/net/dev"):
- if ':' not in line: continue
- ifname=line.replace(" ","").split(":")[0]
- if ifname.find("lo")==0: continue
- if ifname.find("br")==0: continue
- if ifname.find("virbr")==0: continue
- if ifname.find("tap")==0: continue
- print ifname
-EOF
-}
-
-function discover_interface () {
- for ifname in $(gather_interfaces); do
- ip link show $ifname | grep -qi 'state UP' && { echo $ifname; return; }
- done
- # still not found ? that's bad
- echo unknown
-}
-########## check for a free IP
-function ip_is_busy () {
- target=$1; shift
- ping -c 1 -W 1 $target >& /dev/null
-}
-
-function random_private_byte () {
- for attempt in $(seq $PRIVATE_ATTEMPTS); do
- byte=$(($RANDOM % 256))
- if [ "$byte" == 0 -o "$byte" == 1 ] ; then continue; fi
- ip=${PRIVATE_PREFIX}${byte}
- ip_is_busy $ip || { echo $byte; return; }
- done
- echo "Cannot seem to find a free IP address in range ${PRIVATE_PREFIX}.xx/24 after $PRIVATE_ATTEMPTS attempts - exiting"
- exit 1
-}
+##########
+FEDORA_MIRROR="http://mirror.onelab.eu/"
+FEDORA_MIRROR_KEYS="http://mirror.onelab.eu/keys/"
+FEDORA_PREINSTALLED="dnf dnf-yum passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
+DEBIAN_PREINSTALLED="openssh-server openssh-client"
-########## networking -- ctd
+########## networking utilities
function gethostbyname () {
- hostname=$1
- python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
+ local hostname=$1
+ python3 -c "import socket; print(socket.gethostbyname('"$hostname"'))" 2> /dev/null
}
# e.g. 21 -> 255.255.248.0
function masklen_to_netmask () {
- masklen=$1; shift
- python <<EOF
+ local masklen=$1; shift
+ python3 <<EOF
import sys
-masklen=$masklen
-if not (masklen>=1 and masklen<=32):
- print "Wrong masklen",masklen
+masklen = $masklen
+if not (1 <= masklen <= 32):
+ print("Wrong masklen", masklen)
exit(1)
-result=[]
+result = []
for i in range(4):
- if masklen>=8:
+ if masklen >= 8:
result.append(8)
- masklen-=8
+ masklen -= 8
else:
result.append(masklen)
- masklen=0
-print ".".join([ str(256-2**(8-i)) for i in result ])
-
+ masklen = 0
+print(".".join([ str(256-2**(8-i)) for i in result ]))
EOF
}
-#################### bridge initialization
-function create_bridge_if_needed() {
-
- # turn on verbosity
- set -x
-
- # already created ? - we're done
- ip addr show $PUBLIC_BRIDGE >& /dev/null && {
- echo "Bridge already set up - skipping create_bridge_if_needed"
- return 0
- }
-
- # find out the physical interface to bridge onto
- if_lan=$(discover_interface)
-
- ip addr show $if_lan &>/dev/null || {
- echo "Cannot use interface $if_lan - exiting"
- exit 1
- }
-
- #################### bride initialization
- check_yum_installed bridge-utils
-
- echo "========== $COMMAND: entering create_bridge - beg"
- hostname
- uname -a
- ip addr show
- ip route
- echo "========== $COMMAND: entering create_bridge - end"
-
- # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)
- #
- # another option would be to accept the all forward packages for
- # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
- sysctl net.bridge.bridge-nf-call-iptables=0
- sysctl net.bridge.bridge-nf-call-ip6tables=0
- sysctl net.bridge.bridge-nf-call-arptables=0
-
-
- #Getting host IP/masklen
- address=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
- [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $if_lan" ; exit 1 ; }
-
- broadcast=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
- [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $if_lan"
-
- gateway=$(ip route show | grep default | awk '{print $3;}')
- [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"
-
-
- # creating the bridge
- echo "Creating bridge PUBLIC_BRIDGE=$PUBLIC_BRIDGE"
- brctl addbr $PUBLIC_BRIDGE
- brctl addif $PUBLIC_BRIDGE $if_lan
- echo "Activating promiscuous mode if_lan=$if_lan"
- ip link set $if_lan up promisc on
- sleep 2
- # rely on dhcp to re assign IP..
- echo "Starting dhclient on $PUBLIC_BRIDGE"
- dhclient $PUBLIC_BRIDGE
- sleep 1
-
- #Reconfigure the routing table
- echo "Configuring gateway=$gateway"
- ip route add default via $gateway dev $PUBLIC_BRIDGE
- ip route del default via $gateway dev $if_lan
- # at this point we have an extra route like e.g.
- ## ip route show
- #default via 138.96.112.250 dev br0
- #138.96.112.0/21 dev em1 proto kernel scope link src 138.96.112.57
- #138.96.112.0/21 dev br0 proto kernel scope link src 138.96.112.57
- #192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
- route_dest=$(ip route show | grep -v default | grep "dev $PUBLIC_BRIDGE" | awk '{print $1;}')
- ip route del $route_dest dev $if_lan
-
- echo "========== $COMMAND: exiting create_bridge - beg"
- ip addr show
- ip route show
- echo "========== $COMMAND: exiting create_bridge - end"
-
- # for safety
- sleep 3
- return 0
-
-}
-
##############################
-# return yum or debootstrap
+# return dnf or debootstrap
function package_method () {
- fcdistro=$1; shift
+ local fcdistro=$1; shift
case $fcdistro in
- f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
- squeeze|wheezy|oneiric|precise|quantal|raring|saucy) echo debootstrap ;;
- *) echo Unknown distro $fcdistro ;;
- esac
+ f[0-9]*|centos[0-9]*|sl[0-9]*)
+ echo dnf ;;
+ wheezy|jessie|precise|trusty|utopic|vivid|wily|xenial)
+ echo debootstrap ;;
+ *)
+ echo Unknown distro $fcdistro ;;
+ esac
}
# return arch from debian distro and personality
function canonical_arch () {
- personality=$1; shift
- fcdistro=$1; shift
+ local personality=$1; shift
+ local 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 ;;
+ dnf)
+ 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
}
# the new test framework creates /timestamp in /vservers/<name> *before* populating it
-function almost_empty () {
- dir="$1"; shift ;
+function almost_empty () {
+ local dir="$1"; shift ;
# non existing is fine
- [ ! -d $dir ] && return 0;
+ [ ! -d $dir ] && return 0;
# need to have at most one file
- count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
-}
-
-##############################
-function check_yum_installed () {
- package=$1; shift
- rpm -q $package >& /dev/null || yum -y install $package
-}
-
-function check_yumgroup_installed () {
- group="$1"; shift
- yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }
+ local count=$(cd $dir; ls | wc -l)
+ [ $count -le 1 ]
}
##############################
set -x
set -e
- cache=/var/cache/lxc/fedora/$arch/$release
-
- mkdir -p /var/lock/subsys/
+ local lxc=$1; shift
+ local lxc_root=$(lxcroot $lxc)
+
+ local cache=/var/cache/lxc/fedora/$arch/${fedora_release}
+ mkdir -p $cache
+
(
- flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
+ flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
if [ ! -e "$cache/rootfs" ]; then
echo "Getting cache download in $cache/rootfs ... "
- fedora_download || { echo "Failed to download 'fedora base'"; return 1; }
+ fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
else
echo "Updating cache $cache/rootfs ..."
- if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
+ if ! dnf --installroot $cache/rootfs --releasever=${fedora_release} -y --nogpgcheck update ; then
echo "Failed to update 'fedora base', continuing with last known good cache"
else
echo "Update finished"
fi
fi
- echo "Copy $cache/rootfs to $lxc_root ... "
- rsync -a $cache/rootfs/ $lxc_root/
-
+ echo "Filling $lxc_root from $cache/rootfs ... "
+ rsync -a $cache/rootfs/ $lxc_root/
+
return 0
- ) 200>/var/lock/subsys/lxc
+ ) 200> $cache/lock
return $?
}
function fedora_download() {
set -x
+
+ local cache=$1; shift
+
# check the mini fedora was not already downloaded
INSTALL_ROOT=$cache/partial
echo $INSTALL_ROOT
mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
- mkdir -p $INSTALL_ROOT/etc/yum.repos.d
+ mkdir -p $INSTALL_ROOT/etc/yum.repos.d
mkdir -p $INSTALL_ROOT/dev
mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
# copy yum config and repo files
cp /etc/yum.conf $INSTALL_ROOT/etc/
- cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
+ cp /etc/yum.repos.d/fedora{,-updates}.repo $INSTALL_ROOT/etc/yum.repos.d/
- # append fedora repo files with desired $release and $basearch
+ # append fedora repo files with hardwired releasever and basearch
for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
- sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
- done
-
- MIRROR_URL=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os
- RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
- # with fedora18 the rpms are scattered by first name
- RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
- RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
- found=""
- for attempt in $RELEASE_URL1 $RELEASE_URL2; do
- if curl -f $attempt -o $RELEASE_TARGET ; then
- echo "Retrieved $attempt"
- found=true
- break
- else
- echo "Failed attempt $attempt"
- fi
+ sed -i "s/\$basearch/$arch/g; s/\$releasever/${fedora_release}/g;" $f
done
- [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
-
+
+# looks like all this business about fetching fedora-release is not needed
+# it does
+# MIRROR_URL=$FEDORA_MIRROR/fedora/releases/${fedora_release}/Everything/$arch/os
+# # since fedora18 the rpms are scattered by first name
+# # first try the second version of fedora-release first
+# RELEASE_URLS=""
+# local subindex
+# for subindex in 3 2 1; do
+# RELEASE_URLS="$RELEASE_URLS $MIRROR_URL/Packages/f/fedora-release-${fedora_release}-${subindex}.noarch.rpm"
+# done
+#
+# RELEASE_TARGET=$INSTALL_ROOT/fedora-release-${fedora_release}.noarch.rpm
+# local found=""
+# local attempt
+# for attempt in $RELEASE_URLS; do
+# if curl --silent --fail $attempt -o $RELEASE_TARGET; then
+# echo "Successfully Retrieved $attempt"
+# found=true
+# break
+# else
+# echo "Failed (not to worry about) with attempt $attempt"
+# fi
+# done
+# [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
+
mkdir -p $INSTALL_ROOT/var/lib/rpm
rpm --root $INSTALL_ROOT --initdb
# when installing f12 this apparently is already present, so ignore result
- rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
+# rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-${fedora_release}.noarch.rpm || :
# however f12 root images won't get created on a f18 host
# (the issue here is the same as the one we ran into when dealing with a vs-box)
# in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
- # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
+ # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
# with file from package filesystem-2.4.30-2.fc12.x86_64
- # in fact this was - of course - allowed by f12's rpm but later on a fix was made
+ # in fact this was - of course - allowed by f12's rpm but later on a fix was made
# http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
# So ideally if we want to be able to build f12 images from f18 we need an rpm that has
# this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
- YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
- PKG_LIST="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
- echo "$YUM install $PKG_LIST"
- $YUM install $PKG_LIST || { echo "Failed to download rootfs, aborting." ; return 1; }
+ DNF="dnf --installroot=$INSTALL_ROOT --nogpgcheck -y"
+ echo "$DNF install $FEDORA_PREINSTALLED"
+ $DNF install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
mv "$INSTALL_ROOT" "$cache/rootfs"
echo "Download complete."
set -x
set -e
+ local lxc=$1; shift
+ local fcdistro=$1; shift
+ local lxc_root=$(lxcroot $lxc)
+
# disable selinux in fedora
mkdir -p $lxc_root/selinux
echo 0 > $lxc_root/selinux/enforce
- # set the hostname
- case "$fcdistro" in
- f18|f2?)
- cat <<EOF > ${lxc_root}/etc/hostname
-$GUEST_HOSTNAME
-EOF
- echo ;;
- *)
- cat <<EOF > ${lxc_root}/etc/sysconfig/network
+ # enable networking and set hostname
+ cat <<EOF > ${lxc_root}/etc/sysconfig/network
NETWORKING=yes
-HOSTNAME=$GUEST_HOSTNAME
EOF
- # set minimal hosts
- cat <<EOF > $lxc_root/etc/hosts
-127.0.0.1 localhost $GUEST_HOSTNAME
+ cat <<EOF > ${lxc_root}/etc/hostname
+$GUEST_HOSTNAME
EOF
- echo ;;
- esac
- dev_path="${lxc_root}/dev"
+ local dev_path="${lxc_root}/dev"
rm -rf $dev_path
mkdir -p $dev_path
mknod -m 666 ${dev_path}/null c 1 3
mknod -m 600 ${dev_path}/initctl p
mknod -m 666 ${dev_path}/ptmx c 5 2
- if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
- fedora_configure_init
- else
- fedora_configure_systemd
- fi
+ fedora_configure_systemd $lxc
- guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
- ( [ -n "$BUILD_MODE" ] && write_guest_ifcfg_build || write_guest_ifcfg_test ) > $guest_ifcfg
+ local guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
+ mkdir -p $(dirname ${guest_ifcfg})
+ # starting with f27, we go for NetworkManager
+ # no more NM_CONTROLLED nonsense
+ if [ -n "$NAT_MODE" ]; then
+ write_guest_ifcfg_natip
+ else
+ write_guest_ifcfg_publicip
+ fi > $guest_ifcfg
- fedora_configure_yum $lxc $fcdistro $pldistro
+ [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
return 0
}
-function fedora_configure_init() {
- set -e
- set -x
- sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
- sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
- # don't mount devpts, for pete's sake
- sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
- sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
- chroot ${lxc_root} chkconfig udev-post off
- chroot ${lxc_root} chkconfig network on
-}
-
# this code of course is for guests that do run on systemd
function fedora_configure_systemd() {
set -e
set -x
- # so ignore if we can't find /etc/systemd at all
+ local lxc=$1; shift
+ local lxc_root=$(lxcroot $lxc)
+
+ # so ignore if we can't find /etc/systemd at all
[ -d ${lxc_root}/etc/systemd ] || return 0
# otherwise let's proceed
ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
touch ${lxc_root}/etc/fstab
ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
-# Thierry - Feb 2013
-# this was intended for f16 initially, in order to enable getty that otherwise would not start
-# having a getty running is helpful only if ssh won't start though, and we see a correlation between
-# VM's that refuse to lxc-stop and VM's that run crazy getty's
+# Thierry - Feb 2013 relying on getty is looking for trouble
# so, turning getty off for now instead
-# #dependency on a device unit fails it specially that we disabled udev
# sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
# can't seem to handle this one with systemctl
- chroot ${lxc_root} chkconfig network on
+ chroot ${lxc_root} $personality chkconfig network on
}
# overwrite container yum config
function fedora_configure_yum () {
- set -x
- set -e
+ set -x
+ set -e
trap failure ERR INT
- lxc=$1; shift
- fcdistro=$1; shift
- pldistro=$1; shift
+ local lxc=$1; shift
+ local fcdistro=$1; shift
+ local pldistro=$1; shift
+ local lxc_root=$(lxcroot $lxc)
# rpm --rebuilddb
- chroot $lxc_root rpm --rebuilddb
+ chroot ${lxc_root} $personality rpm --rebuilddb
echo "Initializing yum.repos.d in $lxc"
rm -f $lxc_root/etc/yum.repos.d/*
- cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
-[fedora]
-name=Fedora $release - $arch
-baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os/
-enabled=1
-metadata_expire=7d
-gpgcheck=1
-gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
+ # use mirroring/ stuff instead of a hard-wired config
+ local repofile=$lxc_root/etc/yum.repos.d/building.repo
+ yumconf_mirrors $repofile ${DIRNAME} $fcdistro \
+ "" $FEDORA_MIRROR
+ # the keys stuff requires adjustment though
+ sed -i $repofile -e s,'gpgkey=.*',"gpgkey=${FEDORA_MIRROR_KEYS}/RPM-GPG-KEY-fedora-${fedora_release}-primary,"
-[updates]
-name=Fedora $release - $arch - Updates
-baseurl=http://mirror.onelab.eu/fedora/updates/$release/$arch/
-enabled=1
-metadata_expire=7d
-gpgcheck=1
-gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
-EOF
-
- # for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper
+ # import fedora key so that gpgckeck does not whine or require stdin
+ # required since fedora24
+ rpm --root $lxc_root --import $FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-${fedora_release}-primary
+
+ # for using this script as a general-purpose lxc creation wrapper
# just mention 'none' as the repo url
if [ -n "$REPO_URL" ] ; then
- if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
- echo "WARNING : cannot create myplc repo"
- else
- # exclude kernel from fedora repos
- yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
- for repo in $lxc_root/etc/yum.repos.d/* ; do
- [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
- done
- # the build repo is not signed at this stage
- cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
+ if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
+ echo "WARNING : cannot create myplc repo"
+ else
+ # exclude kernel from fedora repos
+ yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
+ for repo in $lxc_root/etc/yum.repos.d/* ; do
+ [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
+ done
+ # the build repo is not signed at this stage
+ cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
[myplc]
name= MyPLC
baseurl=$REPO_URL
enabled=1
gpgcheck=0
EOF
- fi
+ fi
fi
-}
+}
##############################
+# apparently ubuntu exposes a mirrors list by country at
+# http://mirrors.ubuntu.com/mirrors.txt
# need to specify the right mirror for debian variants like ubuntu and the like
function debian_mirror () {
- fcdistro=$1; shift
+ local fcdistro=$1; shift
case $fcdistro in
- squeeze|wheezy)
- echo http://ftp2.fr.debian.org/debian/ ;;
- oneiric|precise|quantal|raring|saucy)
- echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
- *) echo unknown distro $fcdistro; exit 1;;
+ wheezy|jessie)
+ echo http://ftp2.fr.debian.org/debian/ ;;
+ precise|trusty|utopic|vivid|wily|xenial)
+ echo http://www-ftp.lip6.fr/pub/linux/distributions/Ubuntu/archive/ ;;
+ *) echo unknown distro $fcdistro; exit 1;;
esac
}
function debian_install () {
set -e
set -x
+ local lxc=$1; shift
+ local lxc_root=$(lxcroot $lxc)
mkdir -p $lxc_root
- arch=$(canonical_arch $personality $fcdistro)
- mirror=$(debian_mirror $fcdistro)
- debootstrap --arch $arch $fcdistro $lxc_root $mirror
+ local arch=$(canonical_arch $personality $fcdistro)
+ local mirror=$(debian_mirror $fcdistro)
+ debootstrap --no-check-gpg --arch $arch $fcdistro $lxc_root $mirror
+ # just like with fedora we ensure a few packages get installed as well
+ # not started yet
+ #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get update"
+ #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
+ chroot ${lxc_root} $personality apt-get update
+ chroot ${lxc_root} $personality apt-get -y install $DEBIAN_PREINSTALLED
+ # configure hostname
+ cat <<EOF > ${lxc_root}/etc/hostname
+$GUEST_HOSTNAME
+EOF
+
}
function debian_configure () {
- guest_interfaces=${lxc_root}/etc/network/interfaces
- ( [ -n "$BUILD_MODE" ] && write_guest_interfaces_build || write_guest_interfaces_test ) > $guest_interfaces
+ local guest_interfaces=${lxc_root}/etc/network/interfaces
+ ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
}
-function write_guest_interfaces_build () {
+function write_guest_interfaces_natip () {
cat <<EOF
auto $VIF_GUEST
iface $VIF_GUEST inet dhcp
EOF
}
-function write_guest_interfaces_test () {
+function write_guest_interfaces_publicip () {
cat <<EOF
auto $VIF_GUEST
-iface $VIF_GUEST
- address $IP
- netmask $NETMASK
- gateway $GATEWAY
+iface $VIF_GUEST inet static
+address $GUEST_IP
+netmask $NETMASK
+gateway $GATEWAY
EOF
}
##############################
set -e
#trap failure ERR INT
- lxc=$1; shift
- fcdistro=$1; shift
- pldistro=$1; shift
- personality=$1; shift
+ local lxc=$1; shift
+ local fcdistro=$1; shift
+ local pldistro=$1; shift
+ local personality=$1; shift
+
+ local lxc_root=$(lxcroot $lxc)
+
+ # create lxc container
- # create lxc container
-
pkg_method=$(package_method $fcdistro)
case $pkg_method in
- yum)
- fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
- fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
- ;;
- debootstrap)
- debian_install || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
- debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
- ;;
- *)
- echo "$COMMAND:: unknown package_method - exiting"
- exit 1
- ;;
+ dnf)
+ if [ -z "$IMAGE" ]; then
+ fedora_install $lxc || { echo "failed to install fedora root image"; exit 1 ; }
+ # this appears to be safer; observed in Jan. 2016 on a f23 host and a f14 cached image
+ # we were getting this message when attempting the first chroot dnf install
+ # rpmdb: Program version 4.8 doesn't match environment version 5.3
+ chroot $(lxcroot $lxc) $personality rm -rf /var/lib/rpm/__db.00{0,1,2,3,4,5,6,7,8,9}
+ chroot $(lxcroot $lxc) $personality rpm --rebuilddb
+ fi
+ fedora_configure $lxc $fcdistro || { echo "failed to configure fedora for a container"; exit 1 ; }
+ ;;
+ debootstrap)
+ if [ -z "$IMAGE" ]; then
+ debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
+ fi
+ debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
+ ;;
+ *)
+ echo "$COMMAND:: unknown package_method - exiting"
+ exit 1
+ ;;
esac
# Enable cgroup -- xxx -- is this really useful ?
- mkdir $lxc_root/cgroup
-
- # set up resolv.conf
+ [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
+
+ ### set up resolv.conf from host
+ # ubuntu precise and on, /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf
+ [ -h $lxc_root/etc/resolv.conf ] && rm -f $lxc_root/etc/resolv.conf
cp /etc/resolv.conf $lxc_root/etc/resolv.conf
- # and /etc/hosts for at least localhost
+ ### and /etc/hosts for at least localhost
[ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
-
+
# grant ssh access from host to guest
- mkdir $lxc_root/root/.ssh
+ mkdir -p $lxc_root/root/.ssh
cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
-
+ chmod 700 $lxc_root/root/.ssh
+ chmod 600 $lxc_root/root/.ssh/authorized_keys
+
# don't keep the input xml, this can be retrieved at all times with virsh dumpxml
- config_xml=$tmp/$lxc.xml
- ( [ -n "$BUILD_MODE" ] && write_lxc_xml_build $lxc || write_lxc_xml_test $lxc ) > $config_xml
-
+ local config_xml=/tmp/$lxc.xml
+ ( [ -n "$NAT_MODE" ] && write_lxc_xml_natip $lxc || write_lxc_xml_publicip $lxc ) > $config_xml
+
# define lxc container for libvirt
virsh -c lxc:/// define $config_xml
return 0
}
-function write_lxc_xml_test () {
- lxc=$1; shift
+# this part does not belong in a domain any more
+# but goes in a network object of its own existence
+# <network>
+# <name>host-bridge</name>
+# <forward mode="bridge"/>
+# <bridge name="br0"/>
+# </network>
+#
+
+function write_lxc_xml_publicip () {
+ local lxc=$1; shift
+ local lxc_root=$(lxcroot $lxc)
cat <<EOF
<domain type='lxc'>
<name>$lxc</name>
- <memory>524288</memory>
+ <memory>$MEMORY</memory>
<os>
<type arch='$arch2'>exe</type>
<init>/sbin/init</init>
</interface>
<console type='pty' />
</devices>
- <network>
- <name>host-bridge</name>
- <forward mode="bridge"/>
- <bridge name="$PUBLIC_BRIDGE"/>
- </network>
</domain>
EOF
}
-function write_lxc_xml_build () {
- lxc=$1; shift
+# grant build guests the ability to do mknods
+function write_lxc_xml_natip () {
+ local lxc=$1; shift
+ local lxc_root=$(lxcroot $lxc)
cat <<EOF
<domain type='lxc'>
<name>$lxc</name>
- <memory>524288</memory>
+ <memory>$MEMORY</memory>
<os>
<type arch='$arch2'>exe</type>
<init>/sbin/init</init>
</os>
<features>
<acpi/>
+ <capabilities policy='default'>
+ <mknod state='on'/>
+ </capabilities>
</features>
<vcpu>1</vcpu>
<clock offset='utc'/>
}
# this one is dhcp-based
-function write_guest_ifcfg_build () {
+function write_guest_ifcfg_natip () {
cat <<EOF
DEVICE=$VIF_GUEST
BOOTPROTO=dhcp
ONBOOT=yes
-NM_CONTROLLED=no
TYPE=Ethernet
MTU=1500
EOF
}
-# use fixed IP as specified by GUEST_HOSTNAME
-function write_guest_ifcfg_test () {
+# use fixed GUEST_IP as specified by GUEST_HOSTNAME
+function write_guest_ifcfg_publicip () {
cat <<EOF
DEVICE=$VIF_GUEST
BOOTPROTO=static
ONBOOT=yes
HOSTNAME=$GUEST_HOSTNAME
-IPADDR=$IP
+IPADDR=$GUEST_IP
NETMASK=$NETMASK
GATEWAY=$GATEWAY
-NM_CONTROLLED=no
TYPE=Ethernet
MTU=1500
EOF
}
-function devel_or_vtest_tools () {
+function devel_or_test_tools () {
- set -x
- set -e
+ set -x
+ set -e
trap failure ERR INT
- lxc=$1; shift
- fcdistro=$1; shift
- pldistro=$1; shift
- personality=$1; shift
+ local lxc=$1; shift
+ local fcdistro=$1; shift
+ local pldistro=$1; shift
+ local personality=$1; shift
- pkg_method=$(package_method $fcdistro)
+ local lxc_root=$(lxcroot $lxc)
+
+ local pkg_method=$(package_method $fcdistro)
- pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
+ local pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
### install individual packages, then groups
# get target arch - use uname -i here (we want either x86_64 or i386)
-
- lxc_arch=$(chroot $lxc_root uname -i)
+
+ local lxc_arch=$(chroot ${lxc_root} $personality uname -i)
# on debian systems we get arch through the 'arch' command
- [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $lxc_root arch)
+ [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot ${lxc_root} $personality arch)
- packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
- groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
+ local packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
+ local groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
case "$pkg_method" in
- yum)
- [ -n "$packages" ] && chroot $lxc_root yum -y install $packages
- for group_plus in $groups; do
- group=$(echo $group_plus | sed -e "s,+++, ,g")
- chroot $lxc_root yum -y groupinstall "$group"
- done
- # store current rpm list in /init-lxc.rpms in case we need to check the contents
- chroot $lxc_root rpm -aq > $lxc_root/init-lxc.rpms
- ;;
- debootstrap)
- # for ubuntu
- if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
- # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
- # we need at least to add the 'universe' feed for python-rpm
- ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
- # also adding a link to updates sounds about right
- ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
- fi
- chroot $lxc_root apt-get update
- for package in $packages ; do
- # close stdin in an attempt to avoid this hanging
- # xxx also we ignore result for now, not sure if the kind of errors like below
- # truly is serious or not
-#Setting up at (3.1.13-2ubuntu2) ...
-#initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
-#initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
-#start: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
-
- chroot $lxc_root apt-get install -y $package < /dev/null || :
- done
- ### xxx todo install groups with apt..
- ;;
- *)
- echo "unknown pkg_method $pkg_method"
- ;;
+ dnf)
+ # --allowerasing required starting with fedora24
+ #
+ local has_dnf=""
+ chroot ${lxc_root} $personality dnf --version && has_dnf=true
+ if [ -n "$has_dnf" ]; then
+ echo "container has dnf - invoking with --allowerasing"
+ local pkg_installer="dnf -y install --allowerasing"
+ local grp_installer="dnf -y groupinstall --allowerasing"
+ else
+ echo "container has only dnf"
+ local pkg_installer="dnf -y install"
+ local grp_installer="dnf -y groupinstall"
+ fi
+ [ -n "$packages" ] && chroot ${lxc_root} $personality $pkg_installer $packages
+ for group_plus in $groups; do
+ local group=$(echo $group_plus | sed -e "s,+++, ,g")
+ chroot ${lxc_root} $personality $grp_installer "$group"
+ done
+ # store current rpm list in /init-lxc.rpms in case we need to check the contents
+ chroot ${lxc_root} $personality rpm -aq > $lxc_root/init-lxc.rpms
+ ;;
+ debootstrap)
+ # for ubuntu
+ if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
+ # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
+ # we need at least to add the 'universe' feed for python-rpm
+ ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
+ # also adding a link to updates sounds about right
+ ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
+ # tell apt about the changes
+ chroot /vservers/$lxc apt-get update
+ fi
+ for package in $packages ; do
+ # container not started yet
+ #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get install -y $package" || :
+ chroot ${lxc_root} $personality apt-get install -y $package || :
+ done
+ ### xxx todo install groups with apt..
+ ;;
+ *)
+ echo "unknown pkg_method $pkg_method"
+ ;;
esac
return 0
}
function post_install () {
- lxc=$1; shift
- personality=$1; shift
- if [ -n "$BUILD_MODE" ] ; then
- post_install_build $lxc $personality
- lxc_start $lxc
- # manually run dhclient in guest - somehow this network won't start on its own
- virsh -c lxc:/// lxc-enter-namespace $lxc $(bin_in_container $lxc dhclient) $VIF_GUEST
- else
- post_install_myplc $lxc $personality
- lxc_start $lxc
- wait_for_ssh $lxc
- fi
+ local lxc=$1; shift
+ local personality=$1; shift
+ local lxc_root=$(lxcroot $lxc)
# setup localtime from the host
cp /etc/localtime $lxc_root/etc/localtime
+ sshd_disable_password_auth $lxc
+ # post install hook
+ [ -n "$NAT_MODE" ] && post_install_natip $lxc $personality || post_install_myplc $lxc $personality
+ # start the VM unless specified otherwise
+ if [ -n "$START_VM" ] ; then
+ echo Starting guest $lxc
+ virsh -c lxc:/// start $lxc
+ if [ -n "$NAT_MODE" ] ; then
+ wait_for_ssh $lxc
+ else
+ wait_for_ssh $lxc $GUEST_IP
+ fi
+ fi
}
-function post_install_build () {
+# just in case, let's stay on the safe side
+function sshd_disable_password_auth () {
+ local lxc=$1; shift
+ local lxc_root=$(lxcroot $lxc)
+ sed --in-place=.password -e 's,^#\?PasswordAuthentication.*,PasswordAuthentication no,' \
+ $lxc_root/etc/ssh/sshd_config
+}
+
+function post_install_natip () {
- set -x
- set -e
+ set -x
+ set -e
trap failure ERR INT
- lxc=$1; shift
- personality=$1; shift
+ local lxc=$1; shift
+ local personality=$1; shift
+ local lxc_root=$(lxcroot $lxc)
### From myplc-devel-native.spec
# be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
- cat << EOF | chroot $lxc_root bash -x
- # set up /dev/loop* in lxc
- for i in \$(seq 0 255) ; do
- /bin/mknod -m 640 /dev/loop\$i b 7 \$i
- done
-
- # create symlink for /dev/fd
- [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
-
- # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
- /bin/sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
- if [ -h "/sbin/new-kernel-pkg" ] ; then
- filename=\$(/bin/readlink -f /sbin/new-kernel-pkg)
- if [ "\$filename" == "/sbin/true" ] ; then
- /bin/echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
- /bin/echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
- /bin/echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
- exit 1
- fi
- fi
-
+ cat << EOF | chroot ${lxc_root} $personality bash -x
+
# customize root's prompt
/bin/cat << PROFILE > /root/.profile
export PS1="[$lxc] \\w # "
PROFILE
- uid=2000
- gid=2000
-
- # add a "build" user to the system
- builduser=\$(grep "^build:" /etc/passwd | wc -l)
- if [ \$builduser -eq 0 ] ; then
- groupadd -o -g \$gid build;
- useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
- fi
-
-# Allow build user to build certain RPMs as root
- if [ -f /etc/sudoers ] ; then
- buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
- if [ \$buildsudo -eq 0 ] ; then
- echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
- fi
- sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
- fi
-#
EOF
-
+
}
function post_install_myplc () {
- set -x
- set -e
+ set -x
+ set -e
trap failure ERR INT
- lxc=$1; shift
- personality=$1; shift
+ local lxc=$1; shift
+ local personality=$1; shift
+ local lxc_root=$(lxcroot $lxc)
# be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
- cat << EOF | chroot $lxc_root bash -x
+ cat << EOF | chroot ${lxc_root} $personality bash -x
# create /etc/sysconfig/network if missing
[ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
- # create symlink for /dev/fd
- [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
-
# turn off regular crond, as plc invokes plc_crond
/sbin/chkconfig crond off
- # take care of loginuid in /etc/pam.d
- /bin/sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
-
# customize root's prompt
/bin/cat << PROFILE > /root/.profile
export PS1="[$lxc] \\w # "
EOF
}
-function lxc_start() {
+########################################
+# workaround for broken lxc-enter-namespace
+# 1st version was relying on virsh net-dhcp-leases
+# however this was too fragile, would not work for fedora14 containers
+# WARNING: this code is duplicated in lbuild-nightly.sh
+function guest_ipv4() {
+ local lxc=$1; shift
- set -x
- set -e
- #trap failure ERR INT
-
- lxc=$1; shift
-
- virsh -c lxc:/// start $lxc
-
- return 0
+ local mac=$(virsh -c lxc:/// domiflist $lxc | egrep 'network|bridge' | awk '{print $5;}')
+ # sanity check
+ [ -z "$mac" ] && return 0
+ arp -en | grep "$mac" | awk '{print $1;}'
}
function wait_for_ssh () {
set -x
set -e
- #trap failure ERR INT
- lxc=$1; shift
-
- echo $IP is up, waiting for ssh...
+ local lxc=$1; shift
+
+ # if run in public_ip mode, we know the IP of the guest and it is specified here
+ [ -n "$1" ] && { guest_ip=$1; shift; }
- #wait max 5 min for sshd to start
- ssh_up=""
- stop_time=$(($(date +%s) + 300))
- current_time=$(date +%s)
-
- counter=1
+ #wait max 2 min for sshd to start
+ local success=""
+ local current_time=$(date +%s)
+ local stop_time=$(($current_time + 120))
+
+ local counter=1
while [ "$current_time" -lt "$stop_time" ] ; do
- echo "$counter-th attempt to reach sshd in container $lxc ..."
- ssh -o "StrictHostKeyChecking no" $IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
- sleep 10
- current_time=$(($current_time + 10))
- counter=$(($counter+1))
+ echo "$counter-th attempt to reach sshd in container $lxc ..."
+ [ -z "$guest_ip" ] && guest_ip=$(guest_ipv4 $lxc)
+ [ -n "$guest_ip" ] && ssh -o "StrictHostKeyChecking no" $guest_ip 'uname -i' && {
+ success=true; echo "SSHD in container $lxc is UP on IP $guest_ip"; break ; } || :
+ # some of our boxes have gone through a long upgrade historically, and
+ # so they don't end up with the same gid mapping for the ssh_keys
+ # group as the ones in the guest that result from a fresh install
+ virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "chown root:ssh_keys /etc/ssh/*_key" || :
+ counter=$(($counter+1))
+ sleep 10
+ current_time=$(date +%s)
done
# Thierry: this is fatal, let's just exit with a failure here
- [ -z $ssh_up ] && { echo "SSHD in container $lxc is not running" ; exit 1 ; }
+ [ -z $success ] && { echo "SSHD in container $lxc could not be reached (guest_ip=$guest_ip)" ; exit 1 ; }
return 0
}
}
function usage () {
- set +x
- echo "Usage: $COMMAND_LBUILD [options] lxc-name"
- echo "Usage: $COMMAND_LTEST [options] lxc-name"
+ set +x
+ echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
+ echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
echo "Description:"
- echo " This command creates a fresh lxc instance, for building, or running a test myplc"
+ echo " This command creates a fresh lxc instance, for building, or running a test myplc"
+ echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
+ echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
+ echo ""
echo "Supported options"
+ echo " -n hostname - the hostname to use in container"
echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
- echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
+ echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
echo " -p personality - defaults to $DEFAULT_PERSONALITY"
- echo " -n hostname - the hostname to use in container - required with $COMMAND_LTEST"
- echo " -r repo-url - used to populate yum.repos.d - required with $COMMAND_LTEST"
- echo " -P pkgs_file - defines the set of extra pacakges"
- echo " by default we use vtest.pkgs or devel.pkgs according to $COMMAND"
+ echo " -r repo-url - used to populate yum.repos.d - required in test mode"
+ echo " -P pkgs_file - defines a set of extra packages to install in guest"
+ echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
+ echo " -i image - the location of the rootfs"
+ echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
+ echo " -s do not start VM"
echo " -v be verbose"
exit 1
}
-### parse args and
+### parse args and
function main () {
#set -e
exit 1
fi
- case "$COMMAND" in
- $COMMAND_LBUILD)
- BUILD_MODE=true ;;
- $COMMAND_LTEST)
- TEST_MODE=true;;
- *)
- usage ;;
- esac
-
- echo 'build mode=' $BUILD_MODE 'test mode=' $TEST_MODE
-
- # the set of preinstalled packages - depends on vbuild or vtest
- if [ -n "$BUILD_MODE" ] ; then
- PREINSTALLED=devel.pkgs
- else
- PREINSTALLED=vtest.pkgs
- fi
- while getopts "f:d:p:n:r:P:v" opt ; do
- case $opt in
- f) fcdistro=$OPTARG;;
- d) pldistro=$OPTARG;;
- p) personality=$OPTARG;;
- n) GUEST_HOSTNAME=$OPTARG;;
- r) REPO_URL=$OPTARG;;
- P) PREINSTALLED=$OPTARG;;
- v) VERBOSE=true; set -x;;
- *) usage ;;
- esac
+ START_VM=true
+ while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
+ case $opt in
+ n) GUEST_HOSTNAME=$OPTARG;;
+ f) fcdistro=$OPTARG;;
+ d) pldistro=$OPTARG;;
+ p) personality=$OPTARG;;
+ r) REPO_URL=$OPTARG;;
+ P) PREINSTALLED=$OPTARG;;
+ i) IMAGE=$OPTARG;;
+ m) MEMORY=$OPTARG;;
+ s) START_VM= ;;
+ v) VERBOSE=true; set -x;;
+ *) usage ;;
+ esac
done
-
+
shift $(($OPTIND - 1))
# parse fixed arguments
[[ -z "$@" ]] && usage
- lxc=$1 ; shift
- lxc_root=$path/$lxc
+ local lxc=$1 ; shift
+ local lxc_root=$(lxcroot $lxc)
+
+ # rainchecks
+ # when using with the -i option, checking that $lxc_root is void
+ # is a little too much stress..
+ almost_empty $lxc_root || \
+ { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
+ virsh -c lxc:/// domuuid $lxc >& /dev/null && \
+ { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
mkdir -p $lxc_root
+ # if IMAGE, copy the provided rootfs to lxc_root
+ if [ -n "$IMAGE" ] ; then
+ if [ ! -d "$IMAGE" ]; then
+ echo "$IMAGE rootfs folder does not exist - exiting"
+ exit 1
+ else
+ echo "Copying $IMAGE into $lxc_root with rsync --archive --delete"
+ rsync --archive --delete $IMAGE/ $lxc_root/
+ fi
+ fi
+
# check we've exhausted the arguments
[[ -n "$@" ]] && usage
+ # NAT_MODE is true unless we specified a hostname
+ [ -n "$GUEST_HOSTNAME" ] || NAT_MODE=true
+
+ # set default values
[ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
[ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
[ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
-
- if [ -n "$BUILD_MODE" ] ; then
- [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$lxc
+ [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
+
+ # set memory in KB
+ MEMORY=$(($MEMORY * 1024))
+
+ # the set of preinstalled packages - depends on mode
+ if [ -z "$PREINSTALLED" ] ; then
+ if [ -n "$NAT_MODE" ] ; then
+ PREINSTALLED=devel.pkgs
+ else
+ PREINSTALLED=runtime.pkgs
+ fi
+ fi
+
+ if [ -n "$NAT_MODE" ] ; then
+ # we can now set GUEST_HOSTNAME safely
+ [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
else
- [[ -z "$GUEST_HOSTNAME" ]] && usage
- # use -r none to get rid of this warning
- if [ "$REPO_URL" == "none" ] ; then
- REPO_URL=""
- elif [ -z "$REPO_URL" ] ; then
- echo "WARNING -- setting up a yum repo is recommended"
- fi
+ # as this command can be used in other contexts, not specifying
+ # a repo is considered a warning
+ # use -r none to get rid of this warning
+ if [ "$REPO_URL" == "none" ] ; then
+ REPO_URL=""
+ elif [ -z "$REPO_URL" ] ; then
+ echo "WARNING -- setting up a yum repo is recommended"
+ fi
fi
##########
- release=$(echo $fcdistro | cut -df -f2)
+ fedora_release=$(echo $fcdistro | cut -df -f2)
if [ "$personality" == "linux32" ]; then
arch=i386
echo "Unknown personality: $personality"
fi
- if [ -n "$BUILD_MODE" ] ; then
+ # compute networking details for the test mode
+ # (build mode relies entirely on dhcp on the private subnet)
+ if [ -z "$NAT_MODE" ] ; then
- # Bridge IP affectation
- byte=$(random_private_byte)
- IP=${PRIVATE_PREFIX}$byte
- NETMASK=$(masklen_to_netmask $PRIVATE_MASKLEN)
- GATEWAY=$PRIVATE_GATEWAY
- VIF_HOST="i$byte"
- else
- [[ -z "GUEST_HOSTNAME" ]] && usage
-
- create_bridge_if_needed
-
- IP=$(gethostbyname $GUEST_HOSTNAME)
- # use same NETMASK as bridge interface br0
- MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
- NETMASK=$(masklen_to_netmask $MASKLEN)
- GATEWAY=$(ip route show | grep default | awk '{print $3}')
- VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
- fi
+ #create_bridge_if_needed $PUBLIC_BRIDGE
+ lbuild-bridge.sh $PUBLIC_BRIDGE
- echo "the IP address of container $lxc is $IP, host virtual interface is $VIF_HOST"
-
- # rainchecks
- [ -d $lxc_root ] && \
- { echo "container $lxc already exists in filesystem - exiting" ; exit 1 ; }
- virsh -c lxc:/// domuuid $lxc >& /dev/null && \
- { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
+ GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
+ # use same NETMASK as bridge interface br0
+ masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
+ NETMASK=$(masklen_to_netmask $masklen)
+ GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
+ VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
+ fi
- setup_lxc $lxc $fcdistro $pldistro $personality
+ setup_lxc $lxc $fcdistro $pldistro $personality
- devel_or_vtest_tools $lxc $fcdistro $pldistro $personality
+ # historically this command is for setting up a build or a test VM
+ # kind of patchy right now though
+ devel_or_test_tools $lxc $fcdistro $pldistro $personality
+ # container gets started here
post_install $lxc $personality
-
+
echo $COMMAND Done
+
+ exit 0
}
main "$@"