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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:31:17 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 14:31:17 +0000 |
commit | 8020f71afd34d7696d7933659df2d763ab05542f (patch) | |
tree | 2fdf1b5447ffd8bdd61e702ca183e814afdcb4fc /collectors/python.d.plugin/uwsgi/uwsgi.chart.py | |
parent | Initial commit. (diff) | |
download | netdata-upstream.tar.xz netdata-upstream.zip |
Adding upstream version 1.37.1.upstream/1.37.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'collectors/python.d.plugin/uwsgi/uwsgi.chart.py')
-rw-r--r-- | collectors/python.d.plugin/uwsgi/uwsgi.chart.py | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/uwsgi/uwsgi.chart.py b/collectors/python.d.plugin/uwsgi/uwsgi.chart.py new file mode 100644 index 0000000..e4d9000 --- /dev/null +++ b/collectors/python.d.plugin/uwsgi/uwsgi.chart.py @@ -0,0 +1,177 @@ +# -*- coding: utf-8 -*- +# Description: uwsgi netdata python.d module +# Author: Robbert Segeren (robbert-ef) +# SPDX-License-Identifier: GPL-3.0-or-later + +import json +from copy import deepcopy + +from bases.FrameworkServices.SocketService import SocketService + +ORDER = [ + 'requests', + 'tx', + 'avg_rt', + 'memory_rss', + 'memory_vsz', + 'exceptions', + 'harakiri', + 'respawn', +] + +DYNAMIC_CHARTS = [ + 'requests', + 'tx', + 'avg_rt', + 'memory_rss', + 'memory_vsz', +] + +# NOTE: lines are created dynamically in `check()` method +CHARTS = { + 'requests': { + 'options': [None, 'Requests', 'requests/s', 'requests', 'uwsgi.requests', 'stacked'], + 'lines': [ + ['requests', 'requests', 'incremental'] + ] + }, + 'tx': { + 'options': [None, 'Transmitted data', 'KiB/s', 'requests', 'uwsgi.tx', 'stacked'], + 'lines': [ + ['tx', 'tx', 'incremental'] + ] + }, + 'avg_rt': { + 'options': [None, 'Average request time', 'milliseconds', 'requests', 'uwsgi.avg_rt', 'line'], + 'lines': [ + ['avg_rt', 'avg_rt', 'absolute'] + ] + }, + 'memory_rss': { + 'options': [None, 'RSS (Resident Set Size)', 'MiB', 'memory', 'uwsgi.memory_rss', 'stacked'], + 'lines': [ + ['memory_rss', 'memory_rss', 'absolute', 1, 1 << 20] + ] + }, + 'memory_vsz': { + 'options': [None, 'VSZ (Virtual Memory Size)', 'MiB', 'memory', 'uwsgi.memory_vsz', 'stacked'], + 'lines': [ + ['memory_vsz', 'memory_vsz', 'absolute', 1, 1 << 20] + ] + }, + 'exceptions': { + 'options': [None, 'Exceptions', 'exceptions', 'exceptions', 'uwsgi.exceptions', 'line'], + 'lines': [ + ['exceptions', 'exceptions', 'incremental'] + ] + }, + 'harakiri': { + 'options': [None, 'Harakiris', 'harakiris', 'harakiris', 'uwsgi.harakiris', 'line'], + 'lines': [ + ['harakiri_count', 'harakiris', 'incremental'] + ] + }, + 'respawn': { + 'options': [None, 'Respawns', 'respawns', 'respawns', 'uwsgi.respawns', 'line'], + 'lines': [ + ['respawn_count', 'respawns', 'incremental'] + ] + }, +} + + +class Service(SocketService): + def __init__(self, configuration=None, name=None): + super(Service, self).__init__(configuration=configuration, name=name) + self.order = ORDER + self.definitions = deepcopy(CHARTS) + self.url = self.configuration.get('host', 'localhost') + self.port = self.configuration.get('port', 1717) + # Clear dynamic dimensions, these are added during `_get_data()` to allow adding workers at run-time + for chart in DYNAMIC_CHARTS: + self.definitions[chart]['lines'] = [] + self.last_result = {} + self.workers = [] + + def read_data(self): + """ + Read data from socket and parse as JSON. + :return: (dict) stats + """ + raw_data = self._get_raw_data() + if not raw_data: + return None + try: + return json.loads(raw_data) + except ValueError as err: + self.error(err) + return None + + def check(self): + """ + Parse configuration and check if we can read data. + :return: boolean + """ + self._parse_config() + return bool(self.read_data()) + + def add_worker_dimensions(self, key): + """ + Helper to add dimensions for a worker. + :param key: (int or str) worker identifier + :return: + """ + for chart in DYNAMIC_CHARTS: + for line in CHARTS[chart]['lines']: + dimension_id = '{}_{}'.format(line[0], key) + dimension_name = str(key) + + dimension = [dimension_id, dimension_name] + line[2:] + self.charts[chart].add_dimension(dimension) + + @staticmethod + def _check_raw_data(data): + # The server will close the connection when it's done sending + # data, so just keep looping until that happens. + return False + + def _get_data(self): + """ + Read data from socket + :return: dict + """ + stats = self.read_data() + if not stats: + return None + + result = { + 'exceptions': 0, + 'harakiri_count': 0, + 'respawn_count': 0, + } + + for worker in stats['workers']: + key = worker['pid'] + + # Add dimensions for new workers + if key not in self.workers: + self.add_worker_dimensions(key) + self.workers.append(key) + + result['requests_{}'.format(key)] = worker['requests'] + result['tx_{}'.format(key)] = worker['tx'] + result['avg_rt_{}'.format(key)] = worker['avg_rt'] + + # avg_rt is not reset by uwsgi, so reset here + if self.last_result.get('requests_{}'.format(key)) == worker['requests']: + result['avg_rt_{}'.format(key)] = 0 + + result['memory_rss_{}'.format(key)] = worker['rss'] + result['memory_vsz_{}'.format(key)] = worker['vsz'] + + result['exceptions'] += worker['exceptions'] + result['harakiri_count'] += worker['harakiri_count'] + result['respawn_count'] += worker['respawn_count'] + + self.last_result = result + return result |