add no_hardware to pubber options

bin/pubber

@@ -38,7 +38,8 @@ else
     done
 
     extra_point="${options[extra_point]}"    
-
+    no_hardware="${options[no_hardware]}"  
+
     if [ -n "${options[extra_field]}" ]; then
         printf -v extra_field '"extraField": "%s",' "${options[extra_field]}"
     fi
@@ -49,6 +50,7 @@ else
 {
     $extra_field
     "extraPoint": "$extra_point",
+    "noHardware": "$no_hardware",
     "projectId": "$project_id",
     "sitePath": "$site_path",
     "cloudRegion": "$cloud_region",

docs/tools/pubber.md

@@ -29,6 +29,8 @@ The following parameters are currently supported from the CLI:
   (will trigger validation schema error)
 * `extra_point` - adds an extra point to the device which does not exist in
   device's metadata (will trigger validation additional point error)
+* `no_hardware` - omits the `system.hardware` field from state messages (will
+  trigger validation error, missing required field)
 
 Values can be assigned to the parameters e.g. 
 `bin/pubber SITE_PATH PROJECT_ID DEVICE_ID SERIAL_NO extra_point=name_of_point`

pubber/src/main/java/daq/pubber/Configuration.java

@@ -19,4 +19,5 @@ public class Configuration {
   public String serialNo;
   public String macAddr;
   public String extraPoint;
+  public String noHardware;
 }

pubber/src/main/java/daq/pubber/Pubber.java

@@ -363,6 +363,11 @@ private void initializeDevice() {
       addPoint(makePoint(configuration.extraPoint,
           makePointPointsetModel(true, 50, 50, "Celsius")));
     }
+
+    if (configuration.noHardware != null && !configuration.noHardware.isEmpty()) {
+      deviceState.system.hardware = null;
+    }
+
     markStateDirty(0);
   }