fix panic in prometheus when hostname field is missing

Signed-off-by: Thomas Labarussias <[email protected]>
falcosecurity · Sep 11, 2023 · b41a6c6 · b41a6c6
1 parent 19e864f
commit b41a6c6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/handlers.go b/handlers.go
@@ -136,6 +136,8 @@ func newFalcoPayload(payload io.Reader) (types.FalcoPayload, error) {
 	promLabels := map[string]string{"rule": falcopayload.Rule, "priority": falcopayload.Priority.String(), "k8s_ns_name": kn, "k8s_pod_name": kp}
 	if falcopayload.Hostname != "" {
 		promLabels["hostname"] = falcopayload.Hostname
+	} else {
+		promLabels["hostname"] = "unknown"
 	}
 
 	for key, value := range config.Customfields {