fix(device): set system.ips to satisfy heartbeat requirement (#54)

pkg/device/builder/builder.go

@@ -33,19 +33,23 @@ func (b *Builder) CollectorID(id int32) types.DeviceOption {
 
 // SystemCategories implements types.DeviceBuilder.
 func (b *Builder) SystemCategories(categories string) types.DeviceOption {
-	return func(device *lm.RestDevice) {
-		device.CustomProperties = append(device.CustomProperties, lm.NameAndValue{
-			Name:  "system.categories",
-			Value: categories,
-		})
-	}
+	return setProperty("system.categories", categories)
 }
 
 // Auto implements types.DeviceBuilder.
 func (b *Builder) Auto(name, value string) types.DeviceOption {
+	return setProperty("auto."+name, value)
+}
+
+// System implements types.DeviceBuilder.
+func (b *Builder) System(name, value string) types.DeviceOption {
+	return setProperty("system."+name, value)
+}
+
+func setProperty(name, value string) types.DeviceOption {
 	return func(device *lm.RestDevice) {
 		device.CustomProperties = append(device.CustomProperties, lm.NameAndValue{
-			Name:  "auto." + name,
+			Name:  name,
 			Value: value,
 		})
 	}

pkg/types/types.go

@@ -74,4 +74,6 @@ type DeviceBuilder interface {
 	SystemCategories(string) DeviceOption
 	// Auto adds an auto property to the device.
 	Auto(string, string) DeviceOption
+	// System adds a system property to the device.
+	System(string, string) DeviceOption
 }

pkg/watch/pod/pod.go

@@ -128,6 +128,6 @@ func (w *Watcher) args(pod *v1.Pod, category string) []types.DeviceOption {
 		w.Auto("nodename", pod.Spec.NodeName),
 		w.Auto("selflink", pod.SelfLink),
 		w.Auto("uid", string(pod.UID)),
-		w.Auto("ip", pod.Status.PodIP),
+		w.System("ips", pod.Status.PodIP),
 	}
 }