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Add Prometheus timer.

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This timer will periodically upload Prometheus information to the push
gateway. By default, every `sensors.pushgateway_period` (10) seconds.
This commit is contained in:
Pim van Pelt
2018-03-04 16:38:10 +01:00
parent 1ff7642bea
commit 0d48de1ba8
2 changed files with 9 additions and 0 deletions
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1
mos.yml
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@ -18,6 +18,7 @@ config_schema:
- ["sensors", "o", {title: "Sensors settings"}] - ["sensors", "o", {title: "Sensors settings"}]
- ["sensors.dht_gpio", "s", "13,12,14", {title: "Comma Separated list of GPIO pins to enable DHT22/AM2302 sensors on"}] - ["sensors.dht_gpio", "s", "13,12,14", {title: "Comma Separated list of GPIO pins to enable DHT22/AM2302 sensors on"}]
- ["sensors.dht_period", "i", 3, {title: "Sample period in seconds for DHT sensors"}] - ["sensors.dht_period", "i", 3, {title: "Sample period in seconds for DHT sensors"}]
- ["sensors.pushgateway_period", "i", 10, {title: "Period in seconds for Prometheus Pushgateway POSTs"}]
- ["prometheus.pushgateway", "prometheus.example.net:9091"] - ["prometheus.pushgateway", "prometheus.example.net:9091"]

8
src/mgos_prometheus_sensors.c
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@ -1,9 +1,17 @@
#include "mgos_config.h" #include "mgos_config.h"
#include "mgos_prometheus_metrics.h"
#include "mgos_prometheus_sensors.h" #include "mgos_prometheus_sensors.h"
void dht_init(); void dht_init();
static void pushgateway_timer(void *user_data) {
mgos_prometheus_metrics_push(MGOS_APP, mgos_sys_config_get_device_id());
(void) user_data;
}
bool mgos_prometheus_sensors_init(void) { bool mgos_prometheus_sensors_init(void) {
dht_init(); dht_init();
if (mgos_sys_config_get_sensors_pushgateway_period()>0)
mgos_set_timer(mgos_sys_config_get_sensors_pushgateway_period()*1000, true, pushgateway_timer, NULL);
return true; return true;
} }