1 files changed, 118 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/chrony/chrony.chart.py b/collectors/python.d.plugin/chrony/chrony.chart.py
new file mode 100644
index 0000000..91f7250
--- /dev/null
+++ b/collectors/python.d.plugin/chrony/chrony.chart.py
@@ -0,0 +1,118 @@
+# -*- 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