send data with timestamp to influx

[air-quality] / iio2mqtt.pl

diff --git a/iio2mqtt.pl b/iio2mqtt.pl
index a9dce9f..4081540 100755 (executable)
--- a/iio2mqtt.pl
+++ b/iio2mqtt.pl
@@ -6,12 +6,15 @@ use Time::HiRes;
 
 # sudo apt install libiio-utils mosquitto-clients
 
+my $influx_url = shift @ARGV || 'http://10.13.37.92:8086/write?consistency=any&db=rot13';
+
 my $hostname = `hostname -s`;
 chomp($hostname);
 
 while(1) {
 
        my $t = Time::HiRes::time;
+       my $t_influx = int( $t * 1_000_000_000 );
 
        my $iio = `iio_info`;
 
@@ -31,6 +34,9 @@ while(1) {
                        my $topic = "iio/$hostname/$device/$name";
                        #print "$topic $val\n";
                        system "mosquitto_pub -h rpi2 -t $topic -m $val";
+
+                       my $influx = "iio,dc=trnjanska,host=$hostname,device=$device $name=$val $t_influx";
+                       system "curl --silent -XPOST '$influx_url' --data-binary '$influx'";
                } else {
                        #warn "# $_\n";
                }