Add influxdb

src/config.rs

@@ -5,7 +5,18 @@ pub struct Config {
     pub fan_on_temp_c: f64,
     pub fan_off_temp_c: f64,
     pub poll_interval_s: f64,
-    pub error_temp_c: f64,
+    pub thermal_alarm_temp_c: f64,
+    pub influx: Option<InfluxConfig>,
+}
+
+#[derive(Debug, Clone)]
+pub struct InfluxConfig {
+    pub url: String,
+    pub org: String,
+    pub bucket: String,
+    pub token: String,
+    pub host_tag: String,
+    pub metrics_interval_s: f64,
 }
 
 impl Default for Config {
@@ -16,7 +27,30 @@ impl Default for Config {
             fan_on_temp_c: 40.0,
             fan_off_temp_c: 35.0,
             poll_interval_s: 2.0,
-            error_temp_c: 80.0,
+            thermal_alarm_temp_c: 80.0,
+            influx: InfluxConfig::from_env(),
         }
     }
 }
+
+impl InfluxConfig {
+    pub fn from_env() -> Option<Self> {
+        let token = std::env::var("TOWERD_INFLUX_TOKEN").ok()?;
+        let org = std::env::var("TOWERD_INFLUX_ORG").ok()?;
+        let bucket = std::env::var("TOWERD_INFLUX_BUCKET").ok()?;
+
+        Some(Self {
+            url: std::env::var("TOWERD_INFLUX_URL")
+                .unwrap_or_else(|_| "http://influx.kitsunehosting.net:8086".into()),
+            org,
+            bucket,
+            token,
+            host_tag: std::env::var("TOWERD_INFLUX_HOST")
+                .unwrap_or_else(|_| "kw1fox-1".into()),
+            metrics_interval_s: std::env::var("TOWERD_INFLUX_INTERVAL_S")
+                .ok()
+                .and_then(|s| s.parse().ok())
+                .unwrap_or(30.0),
+        })
+    }
+}