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
+

bin/ramdisk.sh

@@ -0,0 +1,44 @@
+#! /usr/bin/env bash
+
+start() {
+	[ -d /ramdisk/sys ] && rm -rf /ramdisk/sys
+	[ -d /ramdisk/tmp ] && rm -rf /ramdisk/tmp
+	mkdir -p /ramdisk/sys
+	mkdir -p /ramdisk/tmp
+
+	echo "Bienvenue dans le ramdisk"
+	mount -t tmpfs -o size=32G tmpfs /ramdisk/sys
+	mount -t tmpfs -o size=32G tmpfs /ramdisk/tmp
+	echo "ramdisk monté!"
+
+	if [ -d /ramdisk/persist ]; then
+		cp -a /ramdisk/persist/* /ramdisk/sys/
+		echo "Données persistentes copiées!"
+	fi
+	mount -o remount,ro /ramdisk/sys
+}
+
+stop() {
+	umount /ramdisk/sys
+	rm -rf /ramdisk/sys
+	umount /ramdisk/tmp
+	rm -rf /ramdisk/tmp
+	echo "ramdisk démonté!"
+}
+
+help() {
+	echo "ramdisk.sh start|stop"
+	echo "  Mount a readonly ramdisk to /ramdisk/sys and a read-write one to /ramdisk/tmp"
+}
+
+case "$1" in
+	"start")
+		start
+		;;
+	"stop")
+		stop
+		;;
+	*)
+		help
+		;;
+esac