Quick and dirty fix for duplicate volume metrics

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:rc-bullseye AS builder
+FROM golang:1.24.2 AS builder
 
 LABEL maintainer="Jennings Liu <jenningsloy318@gmail.com>"
 
@@ -17,7 +17,7 @@ RUN mkdir -p /go/src/github.com/ && \
     cd /go/src/github.com/jenningsloy318/redfish_exporter && \
     make build
 
-FROM golang:rc-bullseye
+FROM golang:1.24.2
 
 COPY --from=builder /go/src/github.com/jenningsloy318/redfish_exporter/build/redfish_exporter /usr/local/bin/redfish_exporter
 RUN mkdir /etc/prometheus

collector/system_collector.go

@@ -242,14 +242,26 @@ func (s *SystemCollector) Collect(ch chan<- prometheus.Metric) {
 			} else if storages == nil {
 				systemLogContext.WithField("operation", "system.Storage()").Info("no storage data found")
 			} else {
+				processed := make(map[string]bool)
 				for _, storage := range storages {
 					if volumes, err := storage.Volumes(); err != nil {
 						systemLogContext.WithField("operation", "system.Volumes()").WithError(err).Error("error getting storage data from system")
 					} else {
 						wg3.Add(len(volumes))
 
 						for _, volume := range volumes {
+							_, exists := processed[volume.Name]
+							if exists {
+								systemLogContext.WithField("operation",
+									"system.Storage()").Info(fmt.Sprintf("Ignoring "+
+									"duplicate storage volume: %s. Please check whether this "+
+									"volume is returning duplicate data and report to the vendor.",
+									volume.Name))
+								wg3.Done()
+								continue
+							}
 							go parseVolume(ch, systemHostName, volume, wg3)
+							processed[volume.Name] = true
 						}
 					}
 
@@ -347,22 +359,22 @@ func (s *SystemCollector) Collect(ch chan<- prometheus.Metric) {
 			} else if simpleStorages == nil {
 				systemLogContext.WithField("operation", "system.SimpleStorages()").Info("no simple storage data found")
 			} else {
-			        processed := make(map[string]bool)
+				processed := make(map[string]bool)
 				for _, simpleStorage := range simpleStorages {
 					devices := simpleStorage.Devices
 					wg8.Add(len(devices))
 					for _, device := range devices {
 						_, exists := processed[device.Name]
 						if exists {
 							systemLogContext.WithField("operation",
-							"system.SimpleStorages()").Info(fmt.Sprintf("Ignoring " +
-							"duplicate storage device: %s. Please check whether this " +
-							"device is returning duplicate data and report to the vendor.",
-							device.Name))
+								"system.SimpleStorages()").Info(fmt.Sprintf("Ignoring "+
+								"duplicate storage device: %s. Please check whether this "+
+								"device is returning duplicate data and report to the vendor.",
+								device.Name))
 							wg8.Done()
 							continue
 						}
-					        go parseDevice(ch, systemHostName, device, wg8)
+						go parseDevice(ch, systemHostName, device, wg8)
 						processed[device.Name] = true
 					}
 				}