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Diffstat (limited to '')
| -rw-r--r-- | collectors/python.d.plugin/dockerd/Makefile.inc | 13 | ||||
| -rw-r--r-- | collectors/python.d.plugin/dockerd/README.md | 46 | ||||
| -rw-r--r-- | collectors/python.d.plugin/dockerd/dockerd.chart.py | 86 | ||||
| -rw-r--r-- | collectors/python.d.plugin/dockerd/dockerd.conf | 77 |
4 files changed, 222 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/dockerd/Makefile.inc b/collectors/python.d.plugin/dockerd/Makefile.inc new file mode 100644 index 0000000..b100bc6 --- /dev/null +++ b/collectors/python.d.plugin/dockerd/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 += dockerd/dockerd.chart.py +dist_pythonconfig_DATA += dockerd/dockerd.conf + +# do not install these files, but include them in the distribution +dist_noinst_DATA += dockerd/README.md dockerd/Makefile.inc + diff --git a/collectors/python.d.plugin/dockerd/README.md b/collectors/python.d.plugin/dockerd/README.md new file mode 100644 index 0000000..6470a7c --- /dev/null +++ b/collectors/python.d.plugin/dockerd/README.md @@ -0,0 +1,46 @@ +<!-- +title: "Docker Engine monitoring with Netdata" +custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/dockerd/README.md +sidebar_label: "Docker Engine" +--> + +# Docker Engine monitoring with Netdata + +Collects docker container health metrics. + +**Requirement:** + +- `docker` package, required version 3.2.0+ + +Following charts are drawn: + +1. **running containers** + + - count + +2. **healthy containers** + + - count + +3. **unhealthy containers** + + - count + +## Configuration + +Edit the `python.d/dockerd.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/dockerd.conf +``` + +```yaml + update_every : 1 + priority : 60000 +``` + +--- + + diff --git a/collectors/python.d.plugin/dockerd/dockerd.chart.py b/collectors/python.d.plugin/dockerd/dockerd.chart.py new file mode 100644 index 0000000..bd9640b --- /dev/null +++ b/collectors/python.d.plugin/dockerd/dockerd.chart.py @@ -0,0 +1,86 @@ +# -*- coding: utf-8 -*- +# Description: docker netdata python.d module +# Author: Kévin Darcel (@tuxity) + +try: + import docker + + HAS_DOCKER = True +except ImportError: + HAS_DOCKER = False + +from distutils.version import StrictVersion + +from bases.FrameworkServices.SimpleService import SimpleService + +# charts order (can be overridden if you want less charts, or different order) +ORDER = [ + 'running_containers', + 'healthy_containers', + 'unhealthy_containers' +] + +CHARTS = { + 'running_containers': { + 'options': [None, 'Number of running containers', 'containers', 'running containers', + 'docker.running_containers', 'line'], + 'lines': [ + ['running_containers', 'running'] + ] + }, + 'healthy_containers': { + 'options': [None, 'Number of healthy containers', 'containers', 'healthy containers', + 'docker.healthy_containers', 'line'], + 'lines': [ + ['healthy_containers', 'healthy'] + ] + }, + 'unhealthy_containers': { + 'options': [None, 'Number of unhealthy containers', 'containers', 'unhealthy containers', + 'docker.unhealthy_containers', 'line'], + 'lines': [ + ['unhealthy_containers', 'unhealthy'] + ] + } +} + +MIN_REQUIRED_VERSION = '3.2.0' + + +class Service(SimpleService): + def __init__(self, configuration=None, name=None): + SimpleService.__init__(self, configuration=configuration, name=name) + self.order = ORDER + self.definitions = CHARTS + self.client = None + + def check(self): + if not HAS_DOCKER: + self.error("'docker' package is needed to use dockerd module") + return False + + if StrictVersion(docker.__version__) < StrictVersion(MIN_REQUIRED_VERSION): + self.error("installed 'docker' package version {0}, minimum required version {1}, please upgrade".format( + docker.__version__, + MIN_REQUIRED_VERSION, + )) + return False + + self.client = docker.DockerClient(base_url=self.configuration.get('url', 'unix://var/run/docker.sock')) + + try: + self.client.ping() + except docker.errors.APIError as error: + self.error(error) + return False + + return True + + def get_data(self): + data = dict() + + data['running_containers'] = len(self.client.containers.list(sparse=True)) + data['healthy_containers'] = len(self.client.containers.list(filters={'health': 'healthy'}, sparse=True)) + data['unhealthy_containers'] = len(self.client.containers.list(filters={'health': 'unhealthy'}, sparse=True)) + + return data or None diff --git a/collectors/python.d.plugin/dockerd/dockerd.conf b/collectors/python.d.plugin/dockerd/dockerd.conf new file mode 100644 index 0000000..96c8ee0 --- /dev/null +++ b/collectors/python.d.plugin/dockerd/dockerd.conf @@ -0,0 +1,77 @@ +# netdata python.d.plugin configuration for dockerd health data API +# +# 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, dockerd plugin also supports the following: +# +# url: '<scheme>://<host>:<port>/<health_page_api>' +# # http://localhost:8080/health +# +# if the URL is password protected, the following are supported: +# +# user: 'username' +# pass: 'password' +# +# ---------------------------------------------------------------------- +# AUTO-DETECTION JOBS +# only one of them will run (they have the same name) +# +local: + url: 'unix://var/run/docker.sock' |