Download sonic image if necessary.

Makefile

@@ -82,7 +82,14 @@ partition: partition-bake
 
 .PHONY: partition-bake
 partition-bake:
-	# docker pull $(MINI_LAB_VM_IMAGE)
+ifeq ($(MINI_LAB_FLAVOR),sonic)
+ifeq ($(wildcard sonic-vs.img),"")
+	$(MAKE)	sonic-vs.img
+endif
+endif
+
+	docker pull $(MINI_LAB_VM_IMAGE)
+
 	@if ! sudo $(CONTAINERLAB) --topo $(LAB_TOPOLOGY) inspect | grep -i leaf01 > /dev/null; then \
 		sudo --preserve-env $(CONTAINERLAB) deploy --topo $(LAB_TOPOLOGY) --reconfigure && \
 		./scripts/deactivate_offloading.sh; fi