watchdog-go: Swap等を監視するように

watchdog-go/main.go

@@ -50,14 +50,22 @@ func main() {
 
 	go func() {
 		for {
-			metricArray := getMetrics(config)
+			for _, metric := range perMinute(config) {
-			for _, metric := range metricArray {
 				metrics <- metric
 			}
 			time.Sleep(1 * time.Minute)
 		}
 	}()
 
+	go func() {
+		for {
+			for _, metric := range perDay(config) {
+				metrics <- metric
+			}
+			time.Sleep(24 * time.Hour)
+		}
+	}()
+
 	for metric := range metrics {
 		_, err := client.Push(context.Background(), &metric)
 		if err != nil {
@@ -67,19 +75,32 @@ func main() {
 	}
 }
 
-func getMetrics(config Config) []watchdog.Metric {
+func perMinute(config Config) []watchdog.Metric {
-	v, _ := mem.VirtualMemory()
+	return []watchdog.Metric{
-
+		*usedMemory(config),
-	return []watchdog.Metric{usedMemory(*v, config)}
+		*usedSwap(config),
+	}
 }
 
-func usedMemory(stat mem.VirtualMemoryStat, config Config) watchdog.Metric {
+func perDay(config Config) []watchdog.Metric {
+	return []watchdog.Metric{
+		*totalMem(config),
+		*totalSwap(config),
+	}
+}
+
+func usedMemory(config Config) *watchdog.Metric {
+	memory, err := mem.VirtualMemory()
+	if err != nil {
+		log.Println(err)
+		return nil
+	}
 	name := config.ClientName + " Used Memory"
-	usedMemory := fmt.Sprintf("%g", stat.UsedPercent)
+	usedMemory := fmt.Sprintf("%g", memory.UsedPercent)
 
-	log.Printf("Mem: %s%%\n", usedMemory)
+	log.Printf("Used Mem: %s%%\n", usedMemory)
 
-	return watchdog.Metric{
+	return &watchdog.Metric{
 		Name:      name,
 		ObjectId:  toId(name),
 		Domain:    config.ClientDomain,
@@ -90,6 +111,72 @@ func usedMemory(stat mem.VirtualMemoryStat, config Config) watchdog.Metric {
 	}
 }
 
+func usedSwap(config Config) *watchdog.Metric {
+	memory, err := mem.VirtualMemory()
+	if err != nil {
+		log.Println(err)
+		return nil
+	}
+	name := config.ClientName + " Used Swap"
+	usedSwap := fmt.Sprintf("%g", memory.UsedPercent)
+
+	log.Printf("Used Swap: %s%%\n", usedSwap)
+
+	return &watchdog.Metric{
+		Name:      name,
+		ObjectId:  toId(name),
+		Domain:    config.ClientDomain,
+		Status:    watchdog.Status_OK,
+		Value:     usedSwap,
+		Timestamp: timestamppb.Now(),
+		Message:   "",
+	}
+}
+
+func totalMem(config Config) *watchdog.Metric {
+	memory, err := mem.VirtualMemory()
+	if err != nil {
+		log.Println(err)
+		return nil
+	}
+	name := config.ClientName + " Total Mem"
+	totalMemory := fmt.Sprintf("%d", memory.Total)
+
+	log.Printf("Total Mem: %s%%\n", totalMemory)
+
+	return &watchdog.Metric{
+		Name:      name,
+		ObjectId:  toId(name),
+		Domain:    config.ClientDomain,
+		Status:    watchdog.Status_OK,
+		Value:     totalMemory,
+		Timestamp: timestamppb.Now(),
+		Message:   "",
+	}
+}
+
+func totalSwap(config Config) *watchdog.Metric {
+	memory, err := mem.SwapMemory()
+	if err != nil {
+		log.Println(err)
+		return nil
+	}
+	name := config.ClientName + " Total Swap"
+	totalMemory := fmt.Sprintf("%d", memory.Total)
+
+	log.Printf("Total Swap: %s%%\n", totalMemory)
+
+	return &watchdog.Metric{
+		Name:      name,
+		ObjectId:  toId(name),
+		Domain:    config.ClientDomain,
+		Status:    watchdog.Status_OK,
+		Value:     totalMemory,
+		Timestamp: timestamppb.Now(),
+		Message:   "",
+	}
+}
+
 func toId(value string) string {
 	return regex.ReplaceAllString(strings.ReplaceAll(value, " ", "-"), "")
 }