Fix labsync seeder

packer/ansible/roles/labsync/files/labsync-seeder.sh

@@ -2,25 +2,15 @@
 
 set -e
 
-set -- $(cat /proc/cmdline)
-for x in "$@"; do
-	arg="$(echo $x | cut -d= -f1)"
-	case "$arg" in
-		disk|torrent_file|torrent)
-			eval $arg="$(echo $x | cut -d= -f2)"
-			;;
-	esac
-done
-
 cd /tmp
 
-ln -s "${disk}1" "$torrent_file"
+ln -s "$LABSYNC_SQUASHFS_LV" "$LABSYNC_SQUASHFS_FILE"
 
 exec aria2c \
---allow-overwrite \
---check-integrity \
---seed-ratio=0.0 \
---summary-interval=60 \
---file-allocation=none \
---enable-dht=false \
-"$torrent"
+	--allow-overwrite \
+	--check-integrity \
+	--seed-ratio=0.0 \
+	--summary-interval=60 \
+	--file-allocation=none \
+	--enable-dht=false \
+	"$LABSYNC_TORRENT"

packer/initramfs/labsync

@@ -1,5 +1,13 @@
 #!/bin/sh
 
+labsync_set_environment() {
+		if grep -q "^${1}=" /root/etc/environment; then
+			sed -i "s/^\(${1}\)=.*$/\1='${2}'/" /root/etc/environment
+		else
+			echo "${1}='${2}'" >> /root/etc/environment
+		fi
+}
+
 labsync_lv_path() {
 	lvm lvs "$1/$2" -o LV_PATH --noheadings | sed 's/\s//g'
 }
@@ -175,11 +183,10 @@ PARTTABLE
 	mount -t overlay overlay -o lowerdir=/ro_root,upperdir=/rw_root/upper,workdir=/rw_root/work /root
 
 	if [ -z "$labsync_localboot" ]; then
-		if grep -q '^LABSYNC=' /root/etc/environment; then
-			sed -i "s/^\(LABSYNC\)=.*$/\1='$torrent_name'/" /root/etc/environment
-		else
-			echo "LABSYNC='$torrent_name'" >> /root/etc/environment
-		fi
+		labsync_set_environment LABSYNC "$torrent_name"
+		labsync_set_environment LABSYNC_TORRENT "${labsync_torrent}"
+		labsync_set_environment LABSYNC_SQUASHFS_FILE "$squashfs_file"
+		labsync_set_environment LABSYNC_SQUASHFS_LV "$lv_path_squashfs"
 	fi
 
 	case "$labsync_wait" in