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Diffstat (limited to 'src/collectors/python.d.plugin/uwsgi')
| l--------- | src/collectors/python.d.plugin/uwsgi/README.md | 1 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/uwsgi/integrations/uwsgi.md | 219 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/uwsgi/metadata.yaml | 201 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/uwsgi/uwsgi.chart.py | 177 | ||||
| -rw-r--r-- | src/collectors/python.d.plugin/uwsgi/uwsgi.conf | 92 |
5 files changed, 690 insertions, 0 deletions
diff --git a/src/collectors/python.d.plugin/uwsgi/README.md b/src/collectors/python.d.plugin/uwsgi/README.md new file mode 120000 index 000000000..44b855949 --- /dev/null +++ b/src/collectors/python.d.plugin/uwsgi/README.md @@ -0,0 +1 @@ +integrations/uwsgi.md
\ No newline at end of file diff --git a/src/collectors/python.d.plugin/uwsgi/integrations/uwsgi.md b/src/collectors/python.d.plugin/uwsgi/integrations/uwsgi.md new file mode 100644 index 000000000..508d9d195 --- /dev/null +++ b/src/collectors/python.d.plugin/uwsgi/integrations/uwsgi.md @@ -0,0 +1,219 @@ +<!--startmeta +custom_edit_url: "https://github.com/netdata/netdata/edit/master/src/collectors/python.d.plugin/uwsgi/README.md" +meta_yaml: "https://github.com/netdata/netdata/edit/master/src/collectors/python.d.plugin/uwsgi/metadata.yaml" +sidebar_label: "uWSGI" +learn_status: "Published" +learn_rel_path: "Collecting Metrics/Web Servers and Web Proxies" +most_popular: False +message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE" +endmeta--> + +# uWSGI + + +<img src="https://netdata.cloud/img/uwsgi.svg" width="150"/> + + +Plugin: python.d.plugin +Module: uwsgi + +<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" /> + +## Overview + +This collector monitors uWSGI metrics about requests, workers, memory and more. + +It collects every metric exposed from the stats server of uWSGI, either from the `stats.socket` or from the web server's TCP/IP socket. + +This collector is supported on all platforms. + +This collector supports collecting metrics from multiple instances of this integration, including remote instances. + + +### Default Behavior + +#### Auto-Detection + +This collector will auto-detect uWSGI instances deployed on the local host, running on port 1717, or exposing stats on socket `tmp/stats.socket`. + +#### Limits + +The default configuration for this integration does not impose any limits on data collection. + +#### Performance Impact + +The default configuration for this integration is not expected to impose a significant performance impact on the system. + + +## Metrics + +Metrics grouped by *scope*. + +The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels. + + + +### Per uWSGI instance + +These metrics refer to the entire monitored application. + +This scope has no labels. + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| uwsgi.requests | a dimension per worker | requests/s | +| uwsgi.tx | a dimension per worker | KiB/s | +| uwsgi.avg_rt | a dimension per worker | milliseconds | +| uwsgi.memory_rss | a dimension per worker | MiB | +| uwsgi.memory_vsz | a dimension per worker | MiB | +| uwsgi.exceptions | exceptions | exceptions | +| uwsgi.harakiris | harakiris | harakiris | +| uwsgi.respawns | respawns | respawns | + + + +## Alerts + +There are no alerts configured by default for this integration. + + +## Setup + +### Prerequisites + +#### Enable the uWSGI Stats server + +Make sure that you uWSGI exposes it's metrics via a Stats server. + +Source: https://uwsgi-docs.readthedocs.io/en/latest/StatsServer.html + + + +### Configuration + +#### File + +The configuration file name for this integration is `python.d/uwsgi.conf`. + + +You can edit the configuration file using the `edit-config` script from the +Netdata [config directory](/docs/netdata-agent/configuration/README.md#the-netdata-config-directory). + +```bash +cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata +sudo ./edit-config python.d/uwsgi.conf +``` +#### Options + +There are 2 sections: + +* Global variables +* One or more JOBS that can define multiple different instances to monitor. + +The following options can be defined globally: priority, penalty, autodetection_retry, update_every, but can also be defined per JOB to override the global values. + +Additionally, the following collapsed table contains all the options that can be configured inside a JOB definition. + +Every configuration JOB starts with a `job_name` value which will appear in the dashboard, unless a `name` parameter is specified. + + +<details open><summary>Config options</summary> + +| Name | Description | Default | Required | +|:----|:-----------|:-------|:--------:| +| update_every | Sets the default data collection frequency. | 5 | no | +| priority | Controls the order of charts at the netdata dashboard. | 60000 | no | +| autodetection_retry | Sets the job re-check interval in seconds. | 0 | no | +| penalty | Indicates whether to apply penalty to update_every in case of failures. | yes | no | +| name | The JOB's name as it will appear at the dashboard (by default is the job_name) | job_name | no | +| socket | The 'path/to/uwsgistats.sock' | no | no | +| host | The host to connect to | no | no | +| port | The port to connect to | no | no | + +</details> + +#### Examples + +##### Basic (default out-of-the-box) + +A basic example configuration, one job will run at a time. Autodetect mechanism uses it by default. As all JOBs have the same name, only one can run at a time. + +<details open><summary>Config</summary> + +```yaml +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 + +``` +</details> + +##### Multi-instance + +> **Note**: When you define multiple jobs, their names must be unique. + +Collecting metrics from local and remote instances. + + +<details open><summary>Config</summary> + +```yaml +local: + name : 'local' + host : 'localhost' + port : 1717 + +remote: + name : 'remote' + host : '192.0.2.1' + port : 1717 + +``` +</details> + + + +## Troubleshooting + +### Debug Mode + +To troubleshoot issues with the `uwsgi` collector, run the `python.d.plugin` with the debug option enabled. The output +should give you clues as to why the collector isn't working. + +- Navigate to the `plugins.d` directory, usually at `/usr/libexec/netdata/plugins.d/`. If that's not the case on + your system, open `netdata.conf` and look for the `plugins` setting under `[directories]`. + + ```bash + cd /usr/libexec/netdata/plugins.d/ + ``` + +- Switch to the `netdata` user. + + ```bash + sudo -u netdata -s + ``` + +- Run the `python.d.plugin` to debug the collector: + + ```bash + ./python.d.plugin uwsgi debug trace + ``` + + diff --git a/src/collectors/python.d.plugin/uwsgi/metadata.yaml b/src/collectors/python.d.plugin/uwsgi/metadata.yaml new file mode 100644 index 000000000..cdb090ac1 --- /dev/null +++ b/src/collectors/python.d.plugin/uwsgi/metadata.yaml @@ -0,0 +1,201 @@ +plugin_name: python.d.plugin +modules: + - meta: + plugin_name: python.d.plugin + module_name: uwsgi + monitored_instance: + name: uWSGI + link: "https://github.com/unbit/uwsgi/tree/2.0.21" + categories: + - data-collection.web-servers-and-web-proxies + icon_filename: "uwsgi.svg" + related_resources: + integrations: + list: [] + info_provided_to_referring_integrations: + description: "" + keywords: + - application server + - python + - web applications + most_popular: false + overview: + data_collection: + metrics_description: "This collector monitors uWSGI metrics about requests, workers, memory and more." + method_description: "It collects every metric exposed from the stats server of uWSGI, either from the `stats.socket` or from the web server's TCP/IP socket." + supported_platforms: + include: [] + exclude: [] + multi_instance: true + additional_permissions: + description: "" + default_behavior: + auto_detection: + description: "This collector will auto-detect uWSGI instances deployed on the local host, running on port 1717, or exposing stats on socket `tmp/stats.socket`." + limits: + description: "" + performance_impact: + description: "" + setup: + prerequisites: + list: + - title: Enable the uWSGI Stats server + description: | + Make sure that you uWSGI exposes it's metrics via a Stats server. + + Source: https://uwsgi-docs.readthedocs.io/en/latest/StatsServer.html + configuration: + file: + name: "python.d/uwsgi.conf" + options: + description: | + There are 2 sections: + + * Global variables + * One or more JOBS that can define multiple different instances to monitor. + + The following options can be defined globally: priority, penalty, autodetection_retry, update_every, but can also be defined per JOB to override the global values. + + Additionally, the following collapsed table contains all the options that can be configured inside a JOB definition. + + Every configuration JOB starts with a `job_name` value which will appear in the dashboard, unless a `name` parameter is specified. + folding: + title: "Config options" + enabled: true + list: + - name: update_every + description: Sets the default data collection frequency. + default_value: 5 + required: false + - name: priority + description: Controls the order of charts at the netdata dashboard. + default_value: 60000 + required: false + - name: autodetection_retry + description: Sets the job re-check interval in seconds. + default_value: 0 + required: false + - name: penalty + description: Indicates whether to apply penalty to update_every in case of failures. + default_value: yes + required: false + - name: name + description: The JOB's name as it will appear at the dashboard (by default is the job_name) + default_value: job_name + required: false + - name: socket + description: The 'path/to/uwsgistats.sock' + default_value: no + required: false + - name: host + description: The host to connect to + default_value: no + required: false + - name: port + description: The port to connect to + default_value: no + required: false + examples: + folding: + enabled: true + title: "Config" + list: + - name: Basic (default out-of-the-box) + description: A basic example configuration, one job will run at a time. Autodetect mechanism uses it by default. As all JOBs have the same name, only one can run at a time. + config: | + 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 + - name: Multi-instance + description: | + > **Note**: When you define multiple jobs, their names must be unique. + + Collecting metrics from local and remote instances. + config: | + local: + name : 'local' + host : 'localhost' + port : 1717 + + remote: + name : 'remote' + host : '192.0.2.1' + port : 1717 + troubleshooting: + problems: + list: [] + alerts: [] + metrics: + folding: + title: Metrics + enabled: false + description: "" + availability: [] + scopes: + - name: global + description: "These metrics refer to the entire monitored application." + labels: [] + metrics: + - name: uwsgi.requests + description: Requests + unit: "requests/s" + chart_type: stacked + dimensions: + - name: a dimension per worker + - name: uwsgi.tx + description: Transmitted data + unit: "KiB/s" + chart_type: stacked + dimensions: + - name: a dimension per worker + - name: uwsgi.avg_rt + description: Average request time + unit: "milliseconds" + chart_type: line + dimensions: + - name: a dimension per worker + - name: uwsgi.memory_rss + description: RSS (Resident Set Size) + unit: "MiB" + chart_type: stacked + dimensions: + - name: a dimension per worker + - name: uwsgi.memory_vsz + description: VSZ (Virtual Memory Size) + unit: "MiB" + chart_type: stacked + dimensions: + - name: a dimension per worker + - name: uwsgi.exceptions + description: Exceptions + unit: "exceptions" + chart_type: line + dimensions: + - name: exceptions + - name: uwsgi.harakiris + description: Harakiris + unit: "harakiris" + chart_type: line + dimensions: + - name: harakiris + - name: uwsgi.respawns + description: Respawns + unit: "respawns" + chart_type: line + dimensions: + - name: respawns diff --git a/src/collectors/python.d.plugin/uwsgi/uwsgi.chart.py b/src/collectors/python.d.plugin/uwsgi/uwsgi.chart.py new file mode 100644 index 000000000..e4d900005 --- /dev/null +++ b/src/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/src/collectors/python.d.plugin/uwsgi/uwsgi.conf b/src/collectors/python.d.plugin/uwsgi/uwsgi.conf new file mode 100644 index 000000000..7d09e7330 --- /dev/null +++ b/src/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 |