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File build-vm-lxc of Package build
# # LXC specific functions # ################################################################ # # Copyright (c) 1995-2014 SUSE Linux Products GmbH # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or 3 as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program (see the file COPYING); if not, write to the # Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA # ################################################################ lxc_get_id() { LXCID="obsbuild:${BUILD_ROOT##*/}" if which lxc-config >/dev/null 2>&1; then LXC_TYPE=standalone elif which virsh >/dev/null 2>&1; then LXC_TYPE=libvirt else LXC_TYPE=unknown fi } vm_verify_options_lxc() { VM_ROOT= VM_SWAP= } lxcsh() { virsh -c lxc:/// "$@" } vm_startup_lxc() { lxc_get_id LXCCONF="$BUILD_ROOT/.build.lxc.conf" buildroot_rm .build.lxc.conf vm_startup_lxc_$LXC_TYPE "$@" BUILDSTATUS="$?" test "$BUILDSTATUS" != 255 || BUILDSTATUS=3 cleanup_and_exit "$BUILDSTATUS" } vm_startup_lxc_standalone() { LXCDIR="`lxc-config lxc.lxcpath`/$LXCID" LXCROOTFS="$LXCDIR/rootfs" LXCHOOK="$LXCDIR/pre-mount.hook" LXCVERSION="$(lxc-create --version)" cat $BUILD_DIR/lxc.conf > "$LXCCONF" cat >> "$LXCCONF" <<-EOF lxc.rootfs = $LXCROOTFS lxc.hook.pre-mount = $LXCHOOK EOF case "$LXCVERSION" in [34].*) sed -i \ -e 's/lxc\.aa_profile = /lxc.apparmor.profile = /' \ -e 's/lxc\.console = /lxc.console.path = /' \ -e 's/lxc\.rootfs = /lxc.rootfs.path = dir:/' \ "$LXCCONF" ;; esac # XXX: do this always instead of leaking the hosts' one? buildroot_rm /etc/mtab echo "rootfs / rootfs rw 0 0" > "$BUILD_ROOT/etc/mtab" lxc-destroy -n "$LXCID" >/dev/null 2>&1 || true mkdir -p "$LXCROOTFS" cat > "$LXCHOOK" <<-EOF #!/bin/sh mount --bind "$BUILD_ROOT" "$LXCROOTFS" EOF chmod a+x "$LXCHOOK" case "$LXCVERSION" in 1.0.8|1.1.*|[234].*) lxc-create -n "$LXCID" -f "$LXCCONF" -t none || cleanup_and_exit 1 lxc-start -n "$LXCID" -F "$@" "$vm_init_script" ;; 1.0.*) lxc-create -n "$LXCID" -f "$LXCCONF" || cleanup_and_exit 1 lxc-start -n "$LXCID" "$@" "$vm_init_script" ;; *) echo "Unsupported lxc version $LXCVERSION!" >&2 cleanup_and_exit 1 ;; esac if ! [ -r "$BUILD_ROOT/.build/_exitcode" -a ! -L "$BUILD_ROOT/.build/_exitcode" ]; then echo "'$BUILD_ROOT/.build/_exitcode' not found or symlink" return 3 fi exitcode=$(cat $BUILD_ROOT/.build/_exitcode) return "$exitcode" } vm_startup_lxc_libvirt() { local lxc_arch # x86 i686 x86_64 amd64 case $BUILD_ARCH in i586:*) lxc_arch=i686 ;; x86_64:*) lxc_arch=x86_64 ;; *) lxc_arch=${BUILD_ARCH/:*} ;; esac lxcsh destroy "$LXCID" >/dev/null 2>&1 || true cat <<-EOF > "$LXCCONF" <domain type='lxc'> <name>$LXCID</name> <memory unit='MiB'>${VM_MEMSIZE:-512}</memory> <os> <type arch='$lxc_arch'>exe</type> <init>$vm_init_script</init> </os> <vcpu>1</vcpu> <clock offset='utc'/> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>destroy</on_crash> <devices> <emulator>/usr/lib64/libvirt/libvirt_lxc</emulator> <filesystem type='mount'> <source dir='$BUILD_ROOT'/> <target dir='/'/> </filesystem> <!-- SLES11 and OpenSUSE 13.1 fails if cannot change /sys owner --> <!-- BTW, ro mode can be overlapped with mount -o remount,rw --> <filesystem type='mount'> <source dir='/sys'/> <target dir='/sys'/> </filesystem> <console type='pty'/> </devices> <features> <privnet/> <!-- SLES11 fails if cannot create nodes (mknode) --> <capabilities policy='default'> <mknod state='on'/> </capabilities> </features> </domain> EOF # XXX: do this always instead of leaking the hosts' one? buildroot_rm /etc/mtab echo "rootfs / rootfs rw 0 0" > $BUILD_ROOT/etc/mtab # could LOGFILE be used instead? lxcsh create --console "$@" $LXCCONF | sed -ure 's/\x0d//g;:redo /.\x08/{s/.\x08//; b redo}' exitcode="${PIPESTATUS[0]}" if [ "$exitcode" -gt 0 ]; then return $exitcode # libvirt errors fi if ! [ -r "$BUILD_ROOT/.build/_exitcode" -a ! -L "$BUILD_ROOT/.build/_exitcode" ]; then echo "'$BUILD_ROOT/.build/_exitcode' not found or symlink" return 3 fi exitcode=$(cat $BUILD_ROOT/.build/_exitcode) return "$exitcode" } vm_kill_lxc() { lxc_get_id vm_kill_lxc_$LXC_TYPE } vm_kill_lxc_standalone() { lxc-stop -n "$LXCID" || true } vm_kill_lxc_libvirt() { lxcsh destroy "$LXCID" || true } vm_fixup_lxc() { : } vm_attach_root_lxc() { : } vm_attach_swap_lxc() { : } vm_detach_root_lxc() { : } vm_detach_swap_lxc() { : } vm_sysrq_lxc() { : } vm_wipe_lxc() { : } vm_cleanup_lxc() { if test $$ -ne 1 && test $$ -ne 2 ; then lxc_get_id vm_cleanup_lxc_$LXC_TYPE fi } vm_cleanup_lxc_standalone() { lxc-destroy -n "$LXCID" } vm_cleanup_lxc_libvirt() { lxcsh destroy "$LXCID" >/dev/null 2>&1 || true }
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