From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 23 Oct 2025 17:32:16 +0000 (+0000)
Subject: sources: sensors: Collect fan metrics
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d93efb0e5aabf41078548ad7a67bd913ba70671;p=telemetry.git

sources: sensors: Collect fan metrics

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/sources.c b/src/daemon/sources.c
index 886e93a..a3352b4 100644
--- a/src/daemon/sources.c
+++ b/src/daemon/sources.c
@@ -90,6 +90,7 @@ static const td_source_impl* source_impls[] = {
 	// sensors
 #ifdef HAVE_SENSORS
 	&sensors_input_source,
+	&sensors_fan_source,
 	&sensors_temp_source,
 #endif /* HAVE_SENSORS */
 
diff --git a/src/daemon/sources/sensors.c b/src/daemon/sources/sensors.c
index 61150d6..b5abe1d 100644
--- a/src/daemon/sources/sensors.c
+++ b/src/daemon/sources/sensors.c
@@ -278,6 +278,49 @@ const td_source_impl sensors_input_source = {
 	.heartbeat = sensors_input_heartbeat,
 };
 
+/*
+	Fan
+*/
+static int sensors_fan_heartbeat(td_ctx* ctx, td_source* source) {
+	const sensors_value values[] = {
+		{ "current",     SENSORS_SUBFEATURE_FAN_INPUT },
+		{ "min",         SENSORS_SUBFEATURE_FAN_MIN },
+		{ "max",         SENSORS_SUBFEATURE_FAN_MAX },
+		{ "alarm",       SENSORS_SUBFEATURE_FAN_ALARM },
+		{ "alarm_max",   SENSORS_SUBFEATURE_FAN_MAX_ALARM },
+		{ "alarm_min",   SENSORS_SUBFEATURE_FAN_MIN_ALARM },
+		{ "beep",        SENSORS_SUBFEATURE_FAN_BEEP },
+		{ "fault",       SENSORS_SUBFEATURE_FAN_FAULT },
+		{ "div",         SENSORS_SUBFEATURE_FAN_DIV },
+		{ "pulses",      SENSORS_SUBFEATURE_FAN_PULSES },
+		{ NULL },
+	};
+
+	return read_sensors(ctx, source, SENSORS_FEATURE_FAN, values);
+}
+
+const td_source_impl sensors_fan_source = {
+	.name = "sensors-fan",
+
+	// RRD Data Sources
+	.rrd_dss = {
+		{ "current",     "GAUGE",  0, -1, },
+		{ "min",         "GAUGE",  0, -1, },
+		{ "max",         "GAUGE",  0, -1, },
+		{ "alarm",       "GAUGE",  0, -1, },
+		{ "alarm_max",   "GAUGE",  0, -1, },
+		{ "alarm_min",   "GAUGE",  0, -1, },
+		{ "beep",        "GAUGE",  0, -1, },
+		{ "fault",       "GAUGE",  0, -1, },
+		{ "div",         "GAUGE",  0, -1, },
+		{ "pulses",      "GAUGE",  0, -1, },
+		{ NULL },
+	},
+
+	// Methods
+	.heartbeat = sensors_fan_heartbeat,
+};
+
 /*
 	Temperature
 */
diff --git a/src/daemon/sources/sensors.h b/src/daemon/sources/sensors.h
index 4828793..45c309f 100644
--- a/src/daemon/sources/sensors.h
+++ b/src/daemon/sources/sensors.h
@@ -24,6 +24,7 @@
 #include "../source.h"
 
 extern const td_source_impl sensors_input_source;
+extern const td_source_impl sensors_fan_source;
 extern const td_source_impl sensors_temp_source;
 
 #endif /* TELEMETRY_SOURCE_SENSORS_H */