initial import

xen/xencommons.initd

@@ -0,0 +1,88 @@
+#!/sbin/openrc-run
+# Copyright 2018 Hyperbola Project
+# Distributed under the terms of the GNU General Public License v2
+
+. /etc/xen/scripts/hotplugpath.sh
+
+BACKEND_MODULES="xen-evtchn xen-gntdev xen-gntalloc xen-blkback xen-netback xen-pciback evtchn gntdev netbk blkbk xen-scsibk usbbk pciback xen-acpi-processor blktap2"
+XENCONSOLED_PIDFILE=$XEN_RUN_DIR/xenconsoled.pid
+QEMU_PIDFILE=$XEN_RUN_DIR/qemu-dom0.pid
+
+description="Xencommons - start and stop xenstored and xenconsoled"
+
+depend() {
+	after net
+	before libvirtd libvirt-guests
+}
+
+start_pre() {
+	shopt -s extglob
+
+	# not running in Xen dom0 or domU
+	if ! test -d /proc/xen ; then
+		exit 0
+	fi
+
+	# mount xenfs in dom0 or domU with a pv_ops kernel
+	if ! test -f /proc/xen/capabilities; then
+		mount -t xenfs xenfs /proc/xen
+	fi
+
+	# run this script only in dom0:
+	# no capabilities file in xenlinux domU kernel
+	# empty capabilities file in pv_ops domU kernel
+	if test -f /proc/xen/capabilities && \
+		! grep -q "control_d" /proc/xen/capabilities ; then
+		exit 0
+	fi
+
+	local mod
+
+	for mod in $BACKEND_MODULES; do
+		modprobe "$mod" &>/dev/null
+	done
+
+	mkdir -p $XEN_RUN_DIR
+	mkdir -p $XEN_LOCK_DIR
+
+	/etc/xen/scripts/launch-xenstore || exit 1
+
+	ebegin "Setting domain 0 name, domid and JSON config..."
+	$LIBEXEC_BIN/xen-init-dom0 &
+	eend $?
+}
+
+start() {
+	ebegin "Starting xenconsoled..."
+	test -z "$XENCONSOLED_TRACE" || XENCONSOLED_ARGS=" --log=$XENCONSOLED_TRACE"
+	$sbindir/xenconsoled --pid-file=$XENCONSOLED_PIDFILE $XENCONSOLED_ARGS &
+	eend $?
+
+	ebegin "Starting QEMU as disk backend for dom0"
+	test -z "$QEMU_XEN" && QEMU_XEN="$LIBEXEC_BIN/qemu-system-i386"
+	$QEMU_XEN -xen-domid 0 -xen-attach -name dom0 -nographic -M xenpv -daemonize \
+		-monitor /dev/null -serial /dev/null -parallel /dev/null \
+		-pidfile $QEMU_PIDFILE &
+	eend $?
+}
+
+stop() {
+	ebegin "Stopping xenconsoled"
+	if read 2>/dev/null <$XENCONSOLED_PIDFILE pid; then
+		kill $pid
+		while kill -9 $pid >/dev/null 2>&1; do sleep 1; done
+		rm -f $XENCONSOLED_PIDFILE
+	fi
+	eend $?
+
+	ebegin "Stopping QEMU"
+	if read 2>/dev/null <$QEMU_PIDFILE pid; then
+		kill $pid
+		while kill -9 $pid >/dev/null 2>&1; do sleep 1; done
+		rm -f $QEMU_PIDFILE
+	fi
+	eend $?
+
+	ebegin "WARNING: Not stopping xenstored, as it cannot be restarted"
+	eend $?
+}