Merge pull request #7 from s16rv/fix/image-collector

Fix bugs index out of range

Author: egunawan85

collector/image.go

@@ -61,6 +61,10 @@ func (c *ImageCollector) Collect(ch chan<- prometheus.Metric) {
 	}
 
 	for _, img := range images {
+		if len(img.Regions) == 0 {
+			return
+		}
+
 		ch <- prometheus.MustNewConstMetric(
 			c.MinDiskSize,
 			prometheus.GaugeValue,

collector/snapshot.go

@@ -66,6 +66,10 @@ func (c *SnapshotCollector) Collect(ch chan<- prometheus.Metric) {
 	}
 
 	for _, snapshot := range snapshots {
+		if len(snapshot.Regions) == 0 {
+			return
+		}
+
 		labels := []string{
 			snapshot.ID,
 			snapshot.Name,