Add --worker-cpus option

docker-compose.worker-cpu.yml

@@ -0,0 +1,4 @@
+version: '2.2'
+services:
+  worker:
+    cpus: ${WO_WORKER_CPUS}

webodm.sh

@@ -142,6 +142,12 @@ case $key in
     shift # past argument
     shift # past value
     ;;	
+    --worker-cpus)
+    WO_WORKER_CPUS="$2"
+    export WO_WORKER_CPUS
+    shift # past argument
+    shift # past value
+    ;;
     *)    # unknown option
     POSITIONAL+=("$1") # save it in an array for later
     shift # past argument
@@ -185,6 +191,7 @@ usage(){
   echo "	--gpu	Use GPU NodeODM nodes (Linux only) (default: disabled)"
   echo "	--settings	Path to a settings.py file to enable modifications of system settings (default: None)"
   echo "	--worker-memory	Maximum amount of memory allocated for the worker process (default: unlimited)"
+  echo "	--worker-cpus	Maximum number of CPUS allocated for the worker process (default: all)"
   
   exit
 }
@@ -371,6 +378,7 @@ start(){
 	echo "Default Nodes: $WO_DEFAULT_NODES"
 	echo "Settings: $WO_SETTINGS"
 	echo "Worker memory limit: $WO_WORKER_MEMORY"
+	echo "Worker cpus limit: $WO_WORKER_CPUS"
 	echo "================================"
 	echo "Make sure to issue a $0 down if you decide to change the environment."
 	echo ""
@@ -445,6 +453,10 @@ start(){
 		command+=" -f docker-compose.worker-memory.yml"
 	fi
 
+	if [ ! -z "$WO_WORKER_CPUS" ]; then
+		command+=" -f docker-compose.worker-cpu.yml"
+	fi
+
 	command="$command up"
 
 	if [[ $detached = true ]]; then