Configure a valid DHT cache directory.

roles/lmn_vm/files/vm-sync

@@ -37,7 +37,9 @@ get_torrent() {
         sudo vm-aria2 stop "${VM_NAME}"
         cd "${VM_SYSDIR}"
 	# get image
-	aria2c --seed-time=0 --dht-entry-point="${SEEDBOX_HOST}:${SEEDBOX_PORT}" "${VM_SYSDIR}/${VM_NAME}.qcow2.torrent"
+	aria2c --seed-time=0 --dht-file-path=$DHTDAT \
+	       --dht-entry-point="${SEEDBOX_HOST}:${SEEDBOX_PORT}" \
+	       "${VM_SYSDIR}/${VM_NAME}.qcow2.torrent"
 	# and seed
         sudo vm-aria2 start "${VM_NAME}"
         if ! flock -u 200; then
@@ -51,7 +53,8 @@ get_torrent() {
 
 get_image_size() {
     torrentfile=$1
-    length=$(aria2c -S "${torrentfile}"  | grep "Total Length" | grep "Total Length"  | sed -E 's/.*\(([0-9,]*)\)/\1/' | sed s/,//g)
+    length=$(aria2c -S "${torrentfile}"  | grep "Total Length" | \
+		 sed -E -e 's/.*\(([0-9,]*)\)/\1/' -e 's/,//g')
     echo "$length"
 }
 
@@ -75,6 +78,8 @@ push_file() {
 	      --pwdfile "${SEEDBOX_PWFILE}" --no-cert "${FILENAME}"
 }
 
+########################
+
 if [[ "$(id -nu)" != "lmnsynci" ]]; then
     echo "$(basename "$0") must be run as lmnsynci user"
     show_help

roles/lmn_vm/files/vm.conf

@@ -4,6 +4,7 @@ SEEDBOX_HOST="seedbox.pn.steinbeis.schule"
 SEEDBOX_PORT=6789
 SEEDBOX_RPC_PORT=6800
 SEEDBOX_PWFILE="/etc/lmn/uploadseed.conf"
+DHTDAT="/var/cache/aria2/dht.dat"
 
 VM_SYSDIR="/lmn/vm"
 if [[ -v SUDO_UID ]]; then

roles/lmn_vm/tasks/main.yml

@@ -176,7 +176,14 @@
     group: lmnsynci
     mode: '0640'
     content: |
-      "{{ uploadseed_pwd }}"
+      {{ uploadseed_pwd }}
+
+- name: Prepare directory for aria2 dht.dat
+  ansible.builtin.file:
+    path: /var/cache/aria2/
+    state: directory
+    owner: lmnsynci
+    group: lmnsynci
 
 - name: Prepare directory for qemu bridge config
   ansible.builtin.file: