ctucx.git: fritzbox-exporter

check if temperature exists

diff --git a/src/fb_exporter.nim b/src/fb_exporter.nim
@@ -100,7 +100,7 @@ proc prometheusResponse* (request: Request, state: JsonNode) {.async.} =
     let lastUpdated = state["mobiled"]["lastUpdated"].getInt()
 
     if data.hasKey("ue0"):
-      if data["ue0"]["temperature"].getInt != 0:
+      if data["ue0"].hasKey("temperature") and data["ue0"]["temperature"].getInt != 0:
         res &= "fritzbox_temperature " & $(data["ue0"]["temperature"].getInt/1000) & " " & $(lastUpdated * 1000) & "\n"
 
       if data["ue0"].hasKey("conn_rate_rx"):