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-rw-r--r--collectors/python.d.plugin/chrony/chrony.chart.py118
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diff --git a/collectors/python.d.plugin/chrony/chrony.chart.py b/collectors/python.d.plugin/chrony/chrony.chart.py
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+# -*- coding: utf-8 -*-
+# Description: chrony netdata python.d module
+# Author: Dominik Schloesser (domschl)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+from bases.FrameworkServices.ExecutableService import ExecutableService
+
+# default module values (can be overridden per job in `config`)
+update_every = 5
+
+CHRONY_COMMAND = 'chronyc -n tracking'
+
+# charts order (can be overridden if you want less charts, or different order)
+ORDER = [
+ 'system',
+ 'offsets',
+ 'stratum',
+ 'root',
+ 'frequency',
+ 'residualfreq',
+ 'skew',
+]
+
+CHARTS = {
+ 'system': {
+ 'options': [None, 'Chrony System Time Deltas', 'microseconds', 'system', 'chrony.system', 'area'],
+ 'lines': [
+ ['timediff', 'system time', 'absolute', 1, 1000]
+ ]
+ },
+ 'offsets': {
+ 'options': [None, 'Chrony System Time Offsets', 'microseconds', 'system', 'chrony.offsets', 'area'],
+ 'lines': [
+ ['lastoffset', 'last offset', 'absolute', 1, 1000],
+ ['rmsoffset', 'RMS offset', 'absolute', 1, 1000]
+ ]
+ },
+ 'stratum': {
+ 'options': [None, 'Chrony Stratum', 'stratum', 'root', 'chrony.stratum', 'line'],
+ 'lines': [
+ ['stratum', None, 'absolute', 1, 1]
+ ]
+ },
+ 'root': {
+ 'options': [None, 'Chrony Root Delays', 'milliseconds', 'root', 'chrony.root', 'line'],
+ 'lines': [
+ ['rootdelay', 'delay', 'absolute', 1, 1000000],
+ ['rootdispersion', 'dispersion', 'absolute', 1, 1000000]
+ ]
+ },
+ 'frequency': {
+ 'options': [None, 'Chrony Frequency', 'ppm', 'frequencies', 'chrony.frequency', 'area'],
+ 'lines': [
+ ['frequency', None, 'absolute', 1, 1000]
+ ]
+ },
+ 'residualfreq': {
+ 'options': [None, 'Chrony Residual frequency', 'ppm', 'frequencies', 'chrony.residualfreq', 'area'],
+ 'lines': [
+ ['residualfreq', 'residual frequency', 'absolute', 1, 1000]
+ ]
+ },
+ 'skew': {
+ 'options': [None, 'Chrony Skew, error bound on frequency', 'ppm', 'frequencies', 'chrony.skew', 'area'],
+ 'lines': [
+ ['skew', None, 'absolute', 1, 1000]
+ ]
+ }
+}
+
+CHRONY = [
+ ('Frequency', 'frequency', 1e3),
+ ('Last offset', 'lastoffset', 1e9),
+ ('RMS offset', 'rmsoffset', 1e9),
+ ('Residual freq', 'residualfreq', 1e3),
+ ('Root delay', 'rootdelay', 1e9),
+ ('Root dispersion', 'rootdispersion', 1e9),
+ ('Skew', 'skew', 1e3),
+ ('Stratum', 'stratum', 1),
+ ('System time', 'timediff', 1e9)
+]
+
+
+class Service(ExecutableService):
+ def __init__(self, configuration=None, name=None):
+ ExecutableService.__init__(
+ self, configuration=configuration, name=name)
+ self.order = ORDER
+ self.definitions = CHARTS
+ self.command = CHRONY_COMMAND
+
+ def _get_data(self):
+ """
+ Format data received from shell command
+ :return: dict
+ """
+ raw_data = self._get_raw_data()
+ if not raw_data:
+ return None
+
+ raw_data = (line.split(':', 1) for line in raw_data)
+ parsed, data = dict(), dict()
+
+ for line in raw_data:
+ try:
+ key, value = (l.strip() for l in line)
+ except ValueError:
+ continue
+ if value:
+ parsed[key] = value.split()[0]
+
+ for key, dim_id, multiplier in CHRONY:
+ try:
+ data[dim_id] = int(float(parsed[key]) * multiplier)
+ except (KeyError, ValueError):
+ continue
+
+ return data or None