handle disordered network interfaces (#48)

teralytics · Dec 30, 2019 · 8b048f6 · 8b048f6
1 parent 44cac7d
commit 8b048f6
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/main.go b/main.go
@@ -169,8 +169,11 @@ func (t *AugmentedTask) ExporterInformation() []*PrometheusTaskInfo {
 		if len(t.EC2Instance.NetworkInterfaces) == 0 {
 			return ret
 		}
+
 		for _, iface := range t.EC2Instance.NetworkInterfaces {
-			if iface.PrivateIpAddress != nil && *iface.PrivateIpAddress != "" {
+			if iface.PrivateIpAddress != nil && *iface.PrivateIpAddress != "" &&
+				iface.PrivateDnsName != nil && *iface.PrivateDnsName != "" &&
+				*iface.PrivateDnsName == *t.EC2Instance.PrivateDnsName {
 				ip = *iface.PrivateIpAddress
 				break
 			}