v1

bin/mkvm.sh

@@ -0,0 +1,49 @@
+#! /usr/bin/env bash
+
+KEEP=0
+
+SYSDIR="/ramdisk/sys"
+TMPDIR="/ramdisk/tmp"
+
+case "$1" in
+	"-h"|"--help")
+		echo "testvm.sh DISTRO [CMD]"
+		echo "  -k|--keep: Don't destroy the VM after running"
+		exit 0
+		;;
+	"-k"|"--keep")
+		KEEP=1
+		shift
+		;;
+esac
+
+TYPE="$1"
+TEMPLATE=/var/lib/lxc/"$TYPE".template
+
+if [ ! -f "$TEMPLATE" ]; then
+	echo "ERROR: No such VM type "$TYPE""
+	exit 1
+fi
+
+export VMNAME="$TYPE-$RANDOM"
+echo "$VMNAME"
+
+LXCDIR=/var/lib/lxc/"$VMNAME"
+mkdir "$LXCDIR"
+envsubst < "$TEMPLATE" > "$LXCDIR"/config
+
+ROOTFS="$TMPDIR"/"$VMNAME"
+mkdir -p "$ROOTFS"/etc/
+echo "$VMNAME" > "$ROOTFS"/etc/hostname
+
+CMD="$2"
+
+if [[ "$CMD" != "" ]]; then
+	lxc-execute -n "$VMNAME" -- "$CMD"
+	[ $KEEP -eq 0 ] && lxc-destroy -n "$VMNAME"
+else
+	lxc-start -n "$VMNAME"
+	lxc-attach -n "$VMNAME" bash
+	[ $KEEP -eq 0 ] && lxc-stop --kill "$VMNAME" && lxc-destroy -n "$VMNAME"
+fi
+