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#!/usr/bin/env {{ python_basename }}
#
# Description: Extract chronyd metrics from chronyc -c.
# Author: Aanchal Malhotra <aanch...@bu.edu>
#
# Works with chrony version 2.4 and higher
#
# this is from: https://www.mail-archive.com/chrony-users@chrony.tuxfamily.org/msg02179.html
import subprocess
import sys
chrony_sourcestats_cmd = ['chronyc', '-n', '-c', 'sourcestats']
chrony_source_cmd = ['chronyc', '-n', '-c', 'sources']
chrony_tracking_cmd = ['chronyc', '-n', '-c', 'tracking']
metrics_fields = [
"Name/IP Address",
"NP",
"NR",
"Span",
"Frequency",
"Freq Skew",
"Offset",
"Std Dev"]
status_types = {'x': 0, '?': 1, '-': 2, '+': 3, '*': 4}
metrics_source = {
"*": "synchronized (system peer)",
"+": "synchronized",
"?": "unreachable",
"x": "Falseticker",
"-": "reference clock"}
metrics_mode = {
'^': "server",
'=': "peer",
"#": "reference clock"}
def get_cmdoutput(command):
proc = subprocess.Popen(command, stdout=subprocess.PIPE)
out, err = proc.communicate()
return_code = proc.poll()
if return_code:
raise RuntimeError('Call to "{}" returned error: \
{}'.format(command, return_code))
return out.decode("utf-8")
def printPrometheusformat(metric, values):
print("# HELP chronyd_%s chronyd metric for %s" % (metric, metric))
print("# TYPE chronyd_%s gauge" % (metric))
for labels in values:
if labels is None:
print("chronyd_%s %f" % (metric, values[labels]))
else:
print("chronyd_%s{{ '{%' }}s} %f" % (metric, labels, values[labels]))
def printPrometheusscalar(metric, value):
print("# HELP chronyd_%s chronyd metric for %s" % (metric, metric))
print("# TYPE chronyd_%s gauge" % (metric))
print("chronyd_%s %f" % (metric, value))
def printPrometheusEnum(metric, name):
print("# HELP chronyd_%s enum for %s" % (metric, metric))
print("# TYPE chronyd_%s gauge" % (metric))
print("chronyd_%s{value=\"%s\"} 1" % (metric, name))
def weight(value):
val_int = int(value, 8)
return bin(val_int).count('1')/8.0
def main(argv):
peer_status_metrics = {}
peer_reach_metrics = {}
offset_metrics = {}
freq_skew_metrics = {}
freq_metrics = {}
std_dev_metrics = {}
chrony_sourcestats = get_cmdoutput(chrony_sourcestats_cmd)
for line in chrony_sourcestats.split('\n'):
if (len(line)) > 0:
x = line.split(',')
common_labels = "remote=\"%s\"" % (x[0])
freq_metrics[common_labels] = float(x[4])
freq_skew_metrics[common_labels] = float(x[5])
std_dev_metrics[common_labels] = float(x[7])
printPrometheusformat('freq_skew_ppm', freq_skew_metrics)
printPrometheusformat('freq_ppm', freq_metrics)
printPrometheusformat('std_dev_seconds', std_dev_metrics)
chrony_source = get_cmdoutput(chrony_source_cmd)
for line in chrony_source.split('\n'):
if (len(line)) > 0:
x = line.split(',')
stratum = x[3]
reach = x[5]
mode = metrics_mode[x[0]]
common_labels = "remote=\"%s\"" % (x[2])
peer_labels = "%s,stratum=\"%s\",mode=\"%s\"" % (
common_labels,
stratum,
mode,
)
peer_status_metrics[peer_labels] = float(status_types[x[1]])
peer_reach_metrics[peer_labels] = weight(reach)
offset_metrics[common_labels] = float(x[8])
printPrometheusformat('peer_status', peer_status_metrics)
printPrometheusformat('offset_seconds', offset_metrics)
printPrometheusformat('peer_reachable', peer_reach_metrics)
chrony_tracking_stats = get_cmdoutput(chrony_tracking_cmd).rstrip()
fields = chrony_tracking_stats.split(",")
printPrometheusEnum("tracking_source", fields[1])
printPrometheusscalar("tracking_stratum", float(fields[2]))
printPrometheusscalar("tracking_ref_time", float(fields[3]))
printPrometheusscalar("tracking_system_time", float(fields[4]))
printPrometheusscalar("tracking_last_offset", float(fields[5]))
printPrometheusscalar("tracking_rms_offset", float(fields[6]))
printPrometheusscalar("tracking_frequency_error", float(fields[7]))
printPrometheusscalar("tracking_frequency_residual", float(fields[8]))
printPrometheusscalar("tracking_frequency_skew", float(fields[9]))
printPrometheusscalar("tracking_root_delay", float(fields[10]))
printPrometheusscalar("tracking_root_dispersion", float(fields[11]))
printPrometheusscalar("tracking_update_interval", float(fields[12]))
printPrometheusEnum("tracking_leap_status", fields[13])
if __name__ == "__main__":
main(sys.argv[1:])
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