fix: allow snmp community to come from the request, templating from o…

…ne of the existing items

enricher/cache.go

@@ -88,7 +88,7 @@ func (c *Cache) update() {
 		}
 	}
 
-	level.Info(c.logger).Log("msg", "Cache updated", "devices", len(c.devices), "ports", len(c.ports), "switchPorts", len(c.portsByName), "ignoredSwitchPorts", ignored)
+	level.Info(c.logger).Log("msg", "IAA Service cache updated", "devices", len(c.devices), "ports", len(c.ports), "switchPorts", len(c.portsByName), "ignoredSwitchPorts", ignored)
 }
 
 func (c *Cache) GetDevice(target string) *admin.Switch {

enricher/enricher.go

@@ -37,8 +37,8 @@ func (e *Enricher) Write(bytes []byte) (int, error) {
 
 	metricFamilies, err := parser.TextToMetricFamilies(r)
 	if err != nil {
-		fmt.Printf("Error parsing metrics: %v\n", err)
-		return 0, err
+		// Probably no metrics here, just return the bytes
+		return e.w.Write(bytes)
 	}
 
 	// iterate over the metrics and add the IAA specific labels

main.go

@@ -141,10 +141,19 @@ func handler(w *enricher.Enricher, r *http.Request, logger log.Logger, exporterM
 	sc.RLock()
 	auth, authOk := sc.C.Auths[authName]
 	if !authOk {
-		sc.RUnlock()
-		http.Error(w, fmt.Sprintf("Unknown auth '%s'", authName), http.StatusBadRequest)
-		snmpRequestErrors.Inc()
-		return
+		// If we have a pipe character in the authName, split it, and use the first part as the template, the second as the community.
+		if strings.Contains(authName, "|") {
+			parts := strings.Split(authName, "|")
+			auth, authOk = sc.C.Auths[parts[0]]
+			if authOk {
+				auth.Community = config.Secret(parts[1])
+			}
+		} else {
+			sc.RUnlock()
+			http.Error(w, fmt.Sprintf("Unknown auth '%s'", authName), http.StatusBadRequest)
+			snmpRequestErrors.Inc()
+			return
+		}
 	}
 	var nmodules []*collector.NamedModule
 	for _, m := range modules {