diff options
Diffstat (limited to 'collectors/python.d.plugin/uwsgi')
| -rw-r--r-- | collectors/python.d.plugin/uwsgi/Makefile.inc | 13 | ||||
| -rw-r--r-- | collectors/python.d.plugin/uwsgi/README.md | 52 | ||||
| -rw-r--r-- | collectors/python.d.plugin/uwsgi/uwsgi.chart.py | 177 | ||||
| -rw-r--r-- | collectors/python.d.plugin/uwsgi/uwsgi.conf | 92 |
4 files changed, 334 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/uwsgi/Makefile.inc b/collectors/python.d.plugin/uwsgi/Makefile.inc new file mode 100644 index 0000000..75d96de --- /dev/null +++ b/collectors/python.d.plugin/uwsgi/Makefile.inc @@ -0,0 +1,13 @@ +# SPDX-License-Identifier: GPL-3.0-or-later + +# THIS IS NOT A COMPLETE Makefile +# IT IS INCLUDED BY ITS PARENT'S Makefile.am +# IT IS REQUIRED TO REFERENCE ALL FILES RELATIVE TO THE PARENT + +# install these files +dist_python_DATA += uwsgi/uwsgi.chart.py +dist_pythonconfig_DATA += uwsgi/uwsgi.conf + +# do not install these files, but include them in the distribution +dist_noinst_DATA += uwsgi/README.md uwsgi/Makefile.inc + diff --git a/collectors/python.d.plugin/uwsgi/README.md b/collectors/python.d.plugin/uwsgi/README.md new file mode 100644 index 0000000..f564821 --- /dev/null +++ b/collectors/python.d.plugin/uwsgi/README.md @@ -0,0 +1,52 @@ +<!-- +title: "uWSGI monitoring with Netdata" +custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/uwsgi/README.md +sidebar_label: "uWSGI" +--> + +# uWSGI monitoring with Netdata + +Monitors performance metrics exposed by [`Stats Server`](https://uwsgi-docs.readthedocs.io/en/latest/StatsServer.html). + + +Following charts are drawn: + +1. **Requests** + + - requests per second + - transmitted data + - average request time + +2. **Memory** + + - rss + - vsz + +3. **Exceptions** +4. **Harakiris** +5. **Respawns** + +## Configuration + +Edit the `python.d/uwsgi.conf` configuration file using `edit-config` from the Netdata [config +directory](/docs/configure/nodes.md), which is typically at `/etc/netdata`. + +```bash +cd /etc/netdata # Replace this path with your Netdata config directory, if different +sudo ./edit-config python.d/uwsgi.conf +``` + +```yaml +socket: + name : 'local' + socket : '/tmp/stats.socket' + +localhost: + name : 'local' + host : 'localhost' + port : 1717 +``` + +When no configuration file is found, module tries to connect to TCP/IP socket: `localhost:1717`. + +[](<>) 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 diff --git a/collectors/python.d.plugin/uwsgi/uwsgi.conf b/collectors/python.d.plugin/uwsgi/uwsgi.conf new file mode 100644 index 0000000..7d09e73 --- /dev/null +++ b/collectors/python.d.plugin/uwsgi/uwsgi.conf @@ -0,0 +1,92 @@ +# netdata python.d.plugin configuration for uwsgi +# +# This file is in YaML format. Generally the format is: +# +# name: value +# +# There are 2 sections: +# - global variables +# - one or more JOBS +# +# JOBS allow you to collect values from multiple sources. +# Each source will have its own set of charts. +# +# JOB parameters have to be indented (using spaces only, example below). + +# ---------------------------------------------------------------------- +# Global Variables +# These variables set the defaults for all JOBs, however each JOB +# may define its own, overriding the defaults. + +# update_every sets the default data collection frequency. +# If unset, the python.d.plugin default is used. +# update_every: 1 + +# priority controls the order of charts at the netdata dashboard. +# Lower numbers move the charts towards the top of the page. +# If unset, the default for python.d.plugin is used. +# priority: 60000 + +# penalty indicates whether to apply penalty to update_every in case of failures. +# Penalty will increase every 5 failed updates in a row. Maximum penalty is 10 minutes. +# penalty: yes + +# autodetection_retry sets the job re-check interval in seconds. +# The job is not deleted if check fails. +# Attempts to start the job are made once every autodetection_retry. +# This feature is disabled by default. +# autodetection_retry: 0 + +# ---------------------------------------------------------------------- +# JOBS (data collection sources) +# +# The default JOBS share the same *name*. JOBS with the same name +# are mutually exclusive. Only one of them will be allowed running at +# any time. This allows autodetection to try several alternatives and +# pick the one that works. +# +# Any number of jobs is supported. +# +# All python.d.plugin JOBS (for all its modules) support a set of +# predefined parameters. These are: +# +# job_name: +# name: myname # the JOB's name as it will appear at the +# # dashboard (by default is the job_name) +# # JOBs sharing a name are mutually exclusive +# update_every: 1 # the JOB's data collection frequency +# priority: 60000 # the JOB's order on the dashboard +# penalty: yes # the JOB's penalty +# autodetection_retry: 0 # the JOB's re-check interval in seconds +# +# Additionally to the above, uwsgi also supports the following: +# +# socket: 'path/to/uwsgistats.sock' +# +# or +# host: 'IP or HOSTNAME' # the host to connect to +# port: PORT # the port to connect to +# +# ---------------------------------------------------------------------- +# AUTO-DETECTION JOBS +# only one of them will run (they have the same name) +# + +socket: + name : 'local' + socket : '/tmp/stats.socket' + +localhost: + name : 'local' + host : 'localhost' + port : 1717 + +localipv4: + name : 'local' + host : '127.0.0.1' + port : 1717 + +localipv6: + name : 'local' + host : '::1' + port : 1717 |