Proxy: value: handle i64/f64/string

Signed-off-by: Frank Villaro-Dixon <frank@villaro-dixon.eu>

src/main.rs

@@ -19,11 +19,19 @@ struct QSParams {
     token: String,
 }
 
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(untagged)]
+enum OtsdbValue {
+    String(String),
+    Integer(i64),
+    Float(f64),
+}
+
 #[derive(Debug, Deserialize, Serialize)]
 struct OtsdbData {
     metric: String,
-    value: String,
-    timestamp: f64,
+    value: OtsdbValue,
+    timestamp: i64,
     tags: HashMap<String, String>,
 }