Add missing metrics; add a missing whitespace in the log message

config/config.yaml

@@ -76,6 +76,12 @@ metrics:
   zone.slave:
     help: 'number of slave zones served. These are zones with "request-xfr" entries.'
     type: counter
+  zone.primary:
+    help: 'number of primary zones served. These are zones with no "request-xfr" entries. Same as zone.master.'
+    type: counter
+  zone.secondary:
+    help: 'number of secondary zones served. These are zones with "request-xfr" entries. Same as zone.slave.'
+    type: counter
 # Metrics that have labels based on some regex value
 # The capture group index should match the index of the label name under labels
 label_metrics:

nsd_exporter.go

@@ -85,7 +85,7 @@ func (c *NSDCollector) Collect(ch chan<- prometheus.Metric) {
 			// Refetch metric
 			m, ok = c.metrics[metricName]
 			if !ok {
-				log.Println("Metric " + metricName + "not configured. Skipping")
+				log.Println("Metric " + metricName + " not configured. Skipping")
 			}
 			continue
 		}