cleaning up some of the print output

util/vpc-tools/vpc_dns.py

@@ -79,6 +79,8 @@ def add_or_update_record(dns_records):
                             record.record_ttl, record.record_values)
         if args.noop:
             print("Would have updated DNS record:\n{}".format(status_msg))
+        else:
+            print("Updating DNS record:\n{}".format(status_msg))
 
         if record.record_name in record_names:
             print("Unable to create record for {} with value {} because one already exists!".format(
@@ -128,11 +130,15 @@ def add_or_update_record(dns_records):
 
     if args.noop:
         print("Would have submitted the following change set:\n")
-        xml_doc = xml.dom.minidom.parseString(change_set.to_xml())
-        print(xml_doc.toprettyxml(newl=''))  # newl='' to remove extra newlines
     else:
-        r53.change_rrsets(zone_id, change_set.to_xml())
-        print("Updated DNS record:\n{}".format(status_msg))
+        print("Submitted the following change set:\n")
+    xml_doc = xml.dom.minidom.parseString(change_set.to_xml())
+    print(xml_doc.toprettyxml(newl=''))  # newl='' to remove extra newlines
+    if not args.noop:
+        if len(change_set) == 0:
+            print("No changes, not doing anything")
+        else:
+            r53.change_rrsets(zone_id, change_set.to_xml())
 
 
 def get_or_create_hosted_zone(zone_name):