ma stats: add bamstats

makefu/2configs/stats/telegraf/bamstats.nix

@@ -0,0 +1,35 @@
+{ pkgs, ...}:
+
+let
+  genTopic = name: topic: tags: {
+      servers = [ "tcp://localhost:1883" ];
+      qos = 0;
+      connection_timeout = "30s";
+      topics = [ topic ];
+      tags = tags;
+      persistent_session = false;
+      name_override = name;
+      data_format = "value";
+      data_type = "float";
+    };
+  bamStat = stat:   # Temperature or Humidity
+            host:   # easy{1-4}
+            sensor: # dht11, dht22, ds18
+            (genTopic stat
+                      "/bam/${host}/${sensor}/${stat}"
+                      {"host" = host;
+                       "scope" = "bam";
+                       "sensor" = sensor;
+                      } );
+  dht22 = host: [(bamStat "Temperature" host "dht22")
+                 (bamStat "Humidity" host "dht22")];
+  dht11 = host: [(bamStat "Temperature" host "dht11")
+                 (bamStat "Humidity" host "dht11")];
+  ds18 = host:  [(bamStat "Temperature" host "ds18")];
+in {
+  services.telegraf.extraConfig.inputs.mqtt_consumer =
+       (dht22 "easy1")
+    ++ (dht22 "easy2")
+    ++ (dht11 "easy3")
+    ++ (ds18  "easy3");
+}