diff options
Diffstat (limited to 'collectors/python.d.plugin/nsd')
| -rw-r--r-- | collectors/python.d.plugin/nsd/Makefile.inc | 13 | ||||
| l--------- | collectors/python.d.plugin/nsd/README.md | 1 | ||||
| -rw-r--r-- | collectors/python.d.plugin/nsd/integrations/name_server_daemon.md | 199 | ||||
| -rw-r--r-- | collectors/python.d.plugin/nsd/metadata.yaml | 201 | ||||
| -rw-r--r-- | collectors/python.d.plugin/nsd/nsd.chart.py | 105 | ||||
| -rw-r--r-- | collectors/python.d.plugin/nsd/nsd.conf | 91 |
6 files changed, 610 insertions, 0 deletions
diff --git a/collectors/python.d.plugin/nsd/Makefile.inc b/collectors/python.d.plugin/nsd/Makefile.inc new file mode 100644 index 00000000..58e9fd67 --- /dev/null +++ b/collectors/python.d.plugin/nsd/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 += nsd/nsd.chart.py +dist_pythonconfig_DATA += nsd/nsd.conf + +# do not install these files, but include them in the distribution +dist_noinst_DATA += nsd/README.md nsd/Makefile.inc + diff --git a/collectors/python.d.plugin/nsd/README.md b/collectors/python.d.plugin/nsd/README.md new file mode 120000 index 00000000..59fcfe49 --- /dev/null +++ b/collectors/python.d.plugin/nsd/README.md @@ -0,0 +1 @@ +integrations/name_server_daemon.md
\ No newline at end of file diff --git a/collectors/python.d.plugin/nsd/integrations/name_server_daemon.md b/collectors/python.d.plugin/nsd/integrations/name_server_daemon.md new file mode 100644 index 00000000..0e66c44e --- /dev/null +++ b/collectors/python.d.plugin/nsd/integrations/name_server_daemon.md @@ -0,0 +1,199 @@ +<!--startmeta +custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/nsd/README.md" +meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/python.d.plugin/nsd/metadata.yaml" +sidebar_label: "Name Server Daemon" +learn_status: "Published" +learn_rel_path: "Data Collection/DNS and DHCP Servers" +most_popular: False +message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE" +endmeta--> + +# Name Server Daemon + + +<img src="https://netdata.cloud/img/nsd.svg" width="150"/> + + +Plugin: python.d.plugin +Module: nsd + +<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" /> + +## Overview + +This collector monitors NSD statistics like queries, zones, protocols, query types and more. + + +It uses the `nsd-control stats_noreset` command to gather metrics. + + +This collector is supported on all platforms. + +This collector only supports collecting metrics from a single instance of this integration. + + +### Default Behavior + +#### Auto-Detection + +If permissions are satisfied, the collector will be able to run `nsd-control stats_noreset`, thus collecting metrics. + +#### 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 Name Server Daemon instance + +These metrics refer to the entire monitored application. + +This scope has no labels. + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| nsd.queries | queries | queries/s | +| nsd.zones | master, slave | zones | +| nsd.protocols | udp, udp6, tcp, tcp6 | queries/s | +| nsd.type | A, NS, CNAME, SOA, PTR, HINFO, MX, NAPTR, TXT, AAAA, SRV, ANY | queries/s | +| nsd.transfer | NOTIFY, AXFR | queries/s | +| nsd.rcode | NOERROR, FORMERR, SERVFAIL, NXDOMAIN, NOTIMP, REFUSED, YXDOMAIN | queries/s | + + + +## Alerts + +There are no alerts configured by default for this integration. + + +## Setup + +### Prerequisites + +#### NSD version + +The version of `nsd` must be 4.0+. + + +#### Provide Netdata the permissions to run the command + +Netdata must have permissions to run the `nsd-control stats_noreset` command. + +You can: + +- Add "netdata" user to "nsd" group: + ``` + usermod -aG nsd netdata + ``` +- Add Netdata to sudoers + 1. Edit the sudoers file: + ``` + visudo -f /etc/sudoers.d/netdata + ``` + 2. Add the entry: + ``` + Defaults:netdata !requiretty + netdata ALL=(ALL) NOPASSWD: /usr/sbin/nsd-control stats_noreset + ``` + + > Note that you will need to set the `command` option to `sudo /usr/sbin/nsd-control stats_noreset` if you use this method. + + + +### Configuration + +#### File + +The configuration file name for this integration is `python.d/nsd.conf`. + + +You can edit the configuration file using the `edit-config` script from the +Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md#the-netdata-config-directory). + +```bash +cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata +sudo ./edit-config python.d/nsd.conf +``` +#### Options + +This particular collector does not need further configuration to work if permissions are satisfied, but you can always customize it's data collection behavior. + +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><summary>Config options</summary> + +| Name | Description | Default | Required | +|:----|:-----------|:-------|:--------:| +| update_every | Sets the default data collection frequency. | 30 | 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 | Job name. This value will overwrite the `job_name` value. 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. | | no | +| command | The command to run | nsd-control stats_noreset | no | + +</details> + +#### Examples + +##### Basic + +A basic configuration example. + +```yaml +local: + name: 'nsd_local' + command: 'nsd-control stats_noreset' + +``` + + +## Troubleshooting + +### Debug Mode + +To troubleshoot issues with the `nsd` 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 nsd debug trace + ``` + + diff --git a/collectors/python.d.plugin/nsd/metadata.yaml b/collectors/python.d.plugin/nsd/metadata.yaml new file mode 100644 index 00000000..f5e2c46b --- /dev/null +++ b/collectors/python.d.plugin/nsd/metadata.yaml @@ -0,0 +1,201 @@ +plugin_name: python.d.plugin +modules: + - meta: + plugin_name: python.d.plugin + module_name: nsd + monitored_instance: + name: Name Server Daemon + link: https://nsd.docs.nlnetlabs.nl/en/latest/# + categories: + - data-collection.dns-and-dhcp-servers + icon_filename: "nsd.svg" + related_resources: + integrations: + list: [] + info_provided_to_referring_integrations: + description: "" + keywords: + - nsd + - name server daemon + most_popular: false + overview: + data_collection: + metrics_description: | + This collector monitors NSD statistics like queries, zones, protocols, query types and more. + method_description: | + It uses the `nsd-control stats_noreset` command to gather metrics. + supported_platforms: + include: [] + exclude: [] + multi_instance: false + additional_permissions: + description: "" + default_behavior: + auto_detection: + description: If permissions are satisfied, the collector will be able to run `nsd-control stats_noreset`, thus collecting metrics. + limits: + description: "" + performance_impact: + description: "" + setup: + prerequisites: + list: + - title: NSD version + description: | + The version of `nsd` must be 4.0+. + - title: Provide Netdata the permissions to run the command + description: | + Netdata must have permissions to run the `nsd-control stats_noreset` command. + + You can: + + - Add "netdata" user to "nsd" group: + ``` + usermod -aG nsd netdata + ``` + - Add Netdata to sudoers + 1. Edit the sudoers file: + ``` + visudo -f /etc/sudoers.d/netdata + ``` + 2. Add the entry: + ``` + Defaults:netdata !requiretty + netdata ALL=(ALL) NOPASSWD: /usr/sbin/nsd-control stats_noreset + ``` + + > Note that you will need to set the `command` option to `sudo /usr/sbin/nsd-control stats_noreset` if you use this method. + + configuration: + file: + name: "python.d/nsd.conf" + options: + description: | + This particular collector does not need further configuration to work if permissions are satisfied, but you can always customize it's data collection behavior. + + 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: 30 + 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: > + Job name. This value will overwrite the `job_name` value. 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. + default_value: "" + required: false + - name: command + description: The command to run + default_value: "nsd-control stats_noreset" + required: false + examples: + folding: + enabled: true + title: "Config" + list: + - name: Basic + description: A basic configuration example. + folding: + enabled: false + config: | + local: + name: 'nsd_local' + command: 'nsd-control stats_noreset' + 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: nsd.queries + description: queries + unit: "queries/s" + chart_type: line + dimensions: + - name: queries + - name: nsd.zones + description: zones + unit: "zones" + chart_type: stacked + dimensions: + - name: master + - name: slave + - name: nsd.protocols + description: protocol + unit: "queries/s" + chart_type: stacked + dimensions: + - name: udp + - name: udp6 + - name: tcp + - name: tcp6 + - name: nsd.type + description: query type + unit: "queries/s" + chart_type: stacked + dimensions: + - name: A + - name: NS + - name: CNAME + - name: SOA + - name: PTR + - name: HINFO + - name: MX + - name: NAPTR + - name: TXT + - name: AAAA + - name: SRV + - name: ANY + - name: nsd.transfer + description: transfer + unit: "queries/s" + chart_type: stacked + dimensions: + - name: NOTIFY + - name: AXFR + - name: nsd.rcode + description: return code + unit: "queries/s" + chart_type: stacked + dimensions: + - name: NOERROR + - name: FORMERR + - name: SERVFAIL + - name: NXDOMAIN + - name: NOTIMP + - name: REFUSED + - name: YXDOMAIN diff --git a/collectors/python.d.plugin/nsd/nsd.chart.py b/collectors/python.d.plugin/nsd/nsd.chart.py new file mode 100644 index 00000000..6f9b2cec --- /dev/null +++ b/collectors/python.d.plugin/nsd/nsd.chart.py @@ -0,0 +1,105 @@ +# -*- coding: utf-8 -*- +# Description: NSD `nsd-control stats_noreset` netdata python.d module +# Author: <383c57 at gmail.com> +# SPDX-License-Identifier: GPL-3.0-or-later + +import re + +from bases.FrameworkServices.ExecutableService import ExecutableService + +update_every = 30 + +NSD_CONTROL_COMMAND = 'nsd-control stats_noreset' +REGEX = re.compile(r'([A-Za-z0-9.]+)=(\d+)') + +ORDER = [ + 'queries', + 'zones', + 'protocol', + 'type', + 'transfer', + 'rcode', +] + +CHARTS = { + 'queries': { + 'options': [None, 'queries', 'queries/s', 'queries', 'nsd.queries', 'line'], + 'lines': [ + ['num_queries', 'queries', 'incremental'] + ] + }, + 'zones': { + 'options': [None, 'zones', 'zones', 'zones', 'nsd.zones', 'stacked'], + 'lines': [ + ['zone_master', 'master', 'absolute'], + ['zone_slave', 'slave', 'absolute'] + ] + }, + 'protocol': { + 'options': [None, 'protocol', 'queries/s', 'protocol', 'nsd.protocols', 'stacked'], + 'lines': [ + ['num_udp', 'udp', 'incremental'], + ['num_udp6', 'udp6', 'incremental'], + ['num_tcp', 'tcp', 'incremental'], + ['num_tcp6', 'tcp6', 'incremental'] + ] + }, + 'type': { + 'options': [None, 'query type', 'queries/s', 'query type', 'nsd.type', 'stacked'], + 'lines': [ + ['num_type_A', 'A', 'incremental'], + ['num_type_NS', 'NS', 'incremental'], + ['num_type_CNAME', 'CNAME', 'incremental'], + ['num_type_SOA', 'SOA', 'incremental'], + ['num_type_PTR', 'PTR', 'incremental'], + ['num_type_HINFO', 'HINFO', 'incremental'], + ['num_type_MX', 'MX', 'incremental'], + ['num_type_NAPTR', 'NAPTR', 'incremental'], + ['num_type_TXT', 'TXT', 'incremental'], + ['num_type_AAAA', 'AAAA', 'incremental'], + ['num_type_SRV', 'SRV', 'incremental'], + ['num_type_TYPE255', 'ANY', 'incremental'] + ] + }, + 'transfer': { + 'options': [None, 'transfer', 'queries/s', 'transfer', 'nsd.transfer', 'stacked'], + 'lines': [ + ['num_opcode_NOTIFY', 'NOTIFY', 'incremental'], + ['num_type_TYPE252', 'AXFR', 'incremental'] + ] + }, + 'rcode': { + 'options': [None, 'return code', 'queries/s', 'return code', 'nsd.rcode', 'stacked'], + 'lines': [ + ['num_rcode_NOERROR', 'NOERROR', 'incremental'], + ['num_rcode_FORMERR', 'FORMERR', 'incremental'], + ['num_rcode_SERVFAIL', 'SERVFAIL', 'incremental'], + ['num_rcode_NXDOMAIN', 'NXDOMAIN', 'incremental'], + ['num_rcode_NOTIMP', 'NOTIMP', 'incremental'], + ['num_rcode_REFUSED', 'REFUSED', 'incremental'], + ['num_rcode_YXDOMAIN', 'YXDOMAIN', 'incremental'] + ] + } +} + + +class Service(ExecutableService): + def __init__(self, configuration=None, name=None): + ExecutableService.__init__(self, configuration=configuration, name=name) + self.order = ORDER + self.definitions = CHARTS + self.command = NSD_CONTROL_COMMAND + + def _get_data(self): + lines = self._get_raw_data() + if not lines: + return None + + stats = dict( + (k.replace('.', '_'), int(v)) for k, v in REGEX.findall(''.join(lines)) + ) + stats.setdefault('num_opcode_NOTIFY', 0) + stats.setdefault('num_type_TYPE252', 0) + stats.setdefault('num_type_TYPE255', 0) + + return stats diff --git a/collectors/python.d.plugin/nsd/nsd.conf b/collectors/python.d.plugin/nsd/nsd.conf new file mode 100644 index 00000000..77a8a317 --- /dev/null +++ b/collectors/python.d.plugin/nsd/nsd.conf @@ -0,0 +1,91 @@ +# netdata python.d.plugin configuration for nsd +# +# 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. +# nsd-control is slow, so once every 30 seconds +# update_every: 30 + +# 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, nsd also supports the following: +# +# command: 'nsd-control stats_noreset' # the command to run +# + +# ---------------------------------------------------------------------- +# IMPORTANT Information +# +# Netdata must have permissions to run `nsd-control stats_noreset` command +# +# - Example-1 (use "sudo") +# 1. sudoers (e.g. visudo -f /etc/sudoers.d/netdata) +# Defaults:netdata !requiretty +# netdata ALL=(ALL) NOPASSWD: /usr/sbin/nsd-control stats_noreset +# 2. etc/netdata/python.d/nsd.conf +# local: +# update_every: 30 +# command: 'sudo /usr/sbin/nsd-control stats_noreset' +# +# - Example-2 (add "netdata" user to "nsd" group) +# usermod -aG nsd netdata +# + +# ---------------------------------------------------------------------- +# AUTO-DETECTION JOBS + +local: + update_every: 30 + command: 'nsd-control stats_noreset' |