use measurements instead of fields for values

config.json.templ

@@ -8,7 +8,6 @@
     "username": "iot-relay",
     "password": "",
     "db": "grafana",
-    "measurement": "iot",
     "host": "iot-relay"
   }
 }

internal/client/client.go

@@ -11,9 +11,8 @@ import (
 	"time"
 )
 
-func lineProtocolPrefix(request types.Request, config config.Config) string {
+func lineProtocolTags(request types.Request, config config.Config) string {
 	var builder strings.Builder
-	builder.WriteString(config.Client.Measurement)
 	builder.WriteString(",host=")
 	builder.WriteString(config.Client.Host)
 	builder.WriteString(",ip=")
@@ -29,7 +28,7 @@ func lineProtocolPrefix(request types.Request, config config.Config) string {
 
 func GetHandler(config config.Config) types.Callback {
 	return func(request types.Request) error {
-		prefix := lineProtocolPrefix(request, config)
+		tags := lineProtocolTags(request, config)
 		timeString := strconv.FormatInt(time.Now().UnixNano(), 10)
 
 		url := config.Client.Address + "/write?db=" + config.Client.DB
@@ -40,10 +39,11 @@ func GetHandler(config config.Config) types.Callback {
 
 		for key, value := range request.Data {
 			builder.Reset()
-			builder.WriteString(prefix)
 
 			builder.WriteString(key)
-			builder.WriteString("=")
+			builder.WriteString(tags)
+
+			builder.WriteString("value=")
 			builder.WriteString(value)
 			builder.WriteString(" ")
 

internal/config/config.go

@@ -12,12 +12,11 @@ type Config struct {
 		Timeout int    `json:"timeout"` // in seconds
 	} `json:"server"`
 	Client struct {
-		Address     string `json:"address"`
-		Username    string `json:"username"`
-		Password    string `json:"password"`
-		DB          string `json:"db"`
-		Measurement string `json:"measurement"`
-		Host        string `json:"host"`
+		Address  string `json:"address"`
+		Username string `json:"username"`
+		Password string `json:"password"`
+		DB       string `json:"db"`
+		Host     string `json:"host"`
 	} `json:"client"`
 }