diff options
Diffstat (limited to 'collectors/python.d.plugin/dns_query_time')
4 files changed, 0 insertions, 260 deletions
diff --git a/collectors/python.d.plugin/dns_query_time/Makefile.inc b/collectors/python.d.plugin/dns_query_time/Makefile.inc deleted file mode 100644 index 7eca3e0b6..000000000 --- a/collectors/python.d.plugin/dns_query_time/Makefile.inc +++ /dev/null @@ -1,13 +0,0 @@ -# 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 += dns_query_time/dns_query_time.chart.py -dist_pythonconfig_DATA += dns_query_time/dns_query_time.conf - -# do not install these files, but include them in the distribution -dist_noinst_DATA += dns_query_time/README.md dns_query_time/Makefile.inc - diff --git a/collectors/python.d.plugin/dns_query_time/README.md b/collectors/python.d.plugin/dns_query_time/README.md deleted file mode 100644 index 365e22560..000000000 --- a/collectors/python.d.plugin/dns_query_time/README.md +++ /dev/null @@ -1,29 +0,0 @@ -<!-- -title: "DNS query RTT monitoring with Netdata" -custom_edit_url: https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/dns_query_time/README.md -sidebar_label: "DNS query RTT" ---> - -# DNS query RTT monitoring with Netdata - -Measures DNS query round trip time. - -**Requirement:** - -- `python-dnspython` package - -It produces one aggregate chart or one chart per DNS server, showing the query time. - -## Configuration - -Edit the `python.d/dns_query_time.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/dns_query_time.conf -``` - ---- - - diff --git a/collectors/python.d.plugin/dns_query_time/dns_query_time.chart.py b/collectors/python.d.plugin/dns_query_time/dns_query_time.chart.py deleted file mode 100644 index 7e1cb32b3..000000000 --- a/collectors/python.d.plugin/dns_query_time/dns_query_time.chart.py +++ /dev/null @@ -1,149 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: dns_query_time netdata python.d module -# Author: ilyam8 -# SPDX-License-Identifier: GPL-3.0-or-later - -from random import choice -from socket import getaddrinfo, gaierror -from threading import Thread - -try: - import dns.message - import dns.query - import dns.name - - DNS_PYTHON = True -except ImportError: - DNS_PYTHON = False - -try: - from queue import Queue -except ImportError: - from Queue import Queue - -from bases.FrameworkServices.SimpleService import SimpleService - -update_every = 5 - - -class Service(SimpleService): - def __init__(self, configuration=None, name=None): - SimpleService.__init__(self, configuration=configuration, name=name) - self.order = list() - self.definitions = dict() - self.timeout = self.configuration.get('response_timeout', 4) - self.aggregate = self.configuration.get('aggregate', True) - self.domains = self.configuration.get('domains') - self.server_list = self.configuration.get('dns_servers') - - def check(self): - if not DNS_PYTHON: - self.error("'python-dnspython' package is needed to use dns_query_time.chart.py") - return False - - self.timeout = self.timeout if isinstance(self.timeout, int) else 4 - - if not all([self.domains, self.server_list, - isinstance(self.server_list, str), isinstance(self.domains, str)]): - self.error("server_list and domain_list can't be empty") - return False - else: - self.domains, self.server_list = self.domains.split(), self.server_list.split() - - for ns in self.server_list: - if not check_ns(ns): - self.info('Bad NS: %s' % ns) - self.server_list.remove(ns) - if not self.server_list: - return False - - data = self._get_data(timeout=1) - - down_servers = [s for s in data if data[s] == -100] - for down in down_servers: - down = down[3:].replace('_', '.') - self.info('Removed due to non response %s' % down) - self.server_list.remove(down) - if not self.server_list: - return False - - self.order, self.definitions = create_charts(aggregate=self.aggregate, server_list=self.server_list) - return True - - def _get_data(self, timeout=None): - return dns_request(self.server_list, timeout or self.timeout, self.domains) - - -def dns_request(server_list, timeout, domains): - threads = list() - que = Queue() - result = dict() - - def dns_req(ns, t, q): - domain = dns.name.from_text(choice(domains)) - request = dns.message.make_query(domain, dns.rdatatype.A) - - try: - resp = dns.query.udp(request, ns, timeout=t) - if (resp.rcode() == dns.rcode.NOERROR and resp.answer): - query_time = resp.time * 1000 - else: - query_time = -100 - except dns.exception.Timeout: - query_time = -100 - finally: - q.put({'_'.join(['ns', ns.replace('.', '_')]): query_time}) - - for server in server_list: - th = Thread(target=dns_req, args=(server, timeout, que)) - th.start() - threads.append(th) - - for th in threads: - th.join() - result.update(que.get()) - - return result - - -def check_ns(ns): - try: - return getaddrinfo(ns, 'domain')[0][4][0] - except gaierror: - return False - - -def create_charts(aggregate, server_list): - if aggregate: - order = ['dns_group'] - definitions = { - 'dns_group': { - 'options': [None, 'DNS Response Time', 'ms', 'name servers', 'dns_query_time.response_time', 'line'], - 'lines': [] - } - } - for ns in server_list: - dim = [ - '_'.join(['ns', ns.replace('.', '_')]), - ns, - 'absolute', - ] - definitions['dns_group']['lines'].append(dim) - - return order, definitions - else: - order = [''.join(['dns_', ns.replace('.', '_')]) for ns in server_list] - definitions = dict() - - for ns in server_list: - definitions[''.join(['dns_', ns.replace('.', '_')])] = { - 'options': [None, 'DNS Response Time', 'ms', ns, 'dns_query_time.response_time', 'area'], - 'lines': [ - [ - '_'.join(['ns', ns.replace('.', '_')]), - ns, - 'absolute', - ] - ] - } - return order, definitions diff --git a/collectors/python.d.plugin/dns_query_time/dns_query_time.conf b/collectors/python.d.plugin/dns_query_time/dns_query_time.conf deleted file mode 100644 index 9c0838ee2..000000000 --- a/collectors/python.d.plugin/dns_query_time/dns_query_time.conf +++ /dev/null @@ -1,69 +0,0 @@ -# netdata python.d.plugin configuration for dns_query_time -# -# 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, dns_query_time also supports the following: -# -# dns_servers: 'dns servers' # List of dns servers to query -# domains: 'domains' # List of domains -# aggregate: yes/no # Aggregate all servers in one chart or not -# response_timeout: 4 # Dns query response timeout (query = -100 if response time > response_time) -# -# ----------------------------------------------------------------------
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