Set the controller log level from command line in the deploy Makefile.

deploy/Makefile

@@ -81,6 +81,10 @@ ifndef WAIT_TIMEOUT
 	WAIT_TIMEOUT=2m
 endif
 
+ifndef LOG_LEVEL
+       LOG_LEVEL=INFO
+endif
+
 all: deploy
 
 deploy-controller-helm:
@@ -88,7 +92,8 @@ deploy-controller-helm:
 		--values values-controller.yaml --namespace kube-system \
 		--set vikingController.image.repository=$(CONTROLLER_IMAGE) \
 		--set vikingController.image.tag=$(CONTROLLER_TAG) \
-		--set vikingController.varnishImpl=$(VARNISH)
+		--set vikingController.varnishImpl=$(VARNISH) \
+		--set vikingController.extraArgs="{-log-level=$(LOG_LEVEL)}"
 
 deploy-controller-kubectl:
 	@kubectl apply -f serviceaccount-controller.yaml