distribute VM-images with aria2 instead of ctorrent

roles/lmn_vm/files/vm-aria2

@@ -0,0 +1,30 @@
+#!/usr/bin/bash
+
+set -eu
+
+# if less than one arguments supplied, display usage
+if [[  $# -ne 2 ]]; then
+    echo "This script takes as input the name of the VM " >&2
+    echo "Usage: $0 [start|stop] vm_name" >&2
+    exit 1
+fi
+
+COMMAND="$1"
+VM_NAME="$2"
+
+source /etc/lmn/vm.conf
+
+if [[ "${COMMAND}" = "start" ]]; then
+   systemd-run --unit=aria2-"${VM_NAME}" \
+                --slice=system-aria2 \
+                --uid="$(id -u lmnsynci)" \
+                --gid="$(id -g lmnsynci)" \
+                --nice=19 \
+                --working-directory="${VM_SYSDIR}" \
+                --collect \
+                --property=Type=exec \
+                --property=SuccessExitStatus=1 \
+                aria2c --bt-hash-check-seed=true --check-integrity=true --seed-ratio=0.0 --dht-entry-point="${SEEDBOX_HOST}:${SEEDBOX_PORT}" "${VM_SYSDIR}/${VM_NAME}.qcow2.torrent"
+elif [[ "${COMMAND}" = "stop" ]]; then
+    systemctl stop "aria2-${VM_NAME}.service" || echo "Aria2-Service not running"
+fi