diff options
Diffstat (limited to '')
| -rw-r--r-- | src/go/collectors/go.d.plugin/modules/dnsmasq/integrations/dnsmasq.md | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/dnsmasq/integrations/dnsmasq.md b/src/go/collectors/go.d.plugin/modules/dnsmasq/integrations/dnsmasq.md new file mode 100644 index 000000000..d541aae2e --- /dev/null +++ b/src/go/collectors/go.d.plugin/modules/dnsmasq/integrations/dnsmasq.md @@ -0,0 +1,195 @@ +<!--startmeta +custom_edit_url: "https://github.com/netdata/netdata/edit/master/src/go/collectors/go.d.plugin/modules/dnsmasq/README.md" +meta_yaml: "https://github.com/netdata/netdata/edit/master/src/go/collectors/go.d.plugin/modules/dnsmasq/metadata.yaml" +sidebar_label: "Dnsmasq" +learn_status: "Published" +learn_rel_path: "Collecting Metrics/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--> + +# Dnsmasq + + +<img src="https://netdata.cloud/img/dnsmasq.svg" width="150"/> + + +Plugin: go.d.plugin +Module: dnsmasq + +<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" /> + +## Overview + +This collector monitors Dnsmasq servers. + + + + +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 integration doesn't support auto-detection. + +#### 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 Dnsmasq instance + +The metrics apply to the entire monitored application. + +This scope has no labels. + +Metrics: + +| Metric | Dimensions | Unit | +|:------|:----------|:----| +| dnsmasq.servers_queries | success, failed | queries/s | +| dnsmasq.cache_performance | hist, misses | events/s | +| dnsmasq.cache_operations | insertions, evictions | operations/s | +| dnsmasq.cache_size | size | entries | + + + +## Alerts + +There are no alerts configured by default for this integration. + + +## Setup + +### Prerequisites + +No action required. + +### Configuration + +#### File + +The configuration file name for this integration is `go.d/dnsmasq.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/netdata-agent/configuration.md#the-netdata-config-directory). + +```bash +cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata +sudo ./edit-config go.d/dnsmasq.conf +``` +#### Options + +The following options can be defined globally: update_every, autodetection_retry. + + +<details><summary>Config options</summary> + +| Name | Description | Default | Required | +|:----|:-----------|:-------|:--------:| +| update_every | Data collection frequency. | 1 | no | +| autodetection_retry | Recheck interval in seconds. Zero means no recheck will be scheduled. | 0 | no | +| address | Server address in `ip:port` format. | 127.0.0.1:53 | yes | +| protocol | DNS query transport protocol. Supported protocols: udp, tcp, tcp-tls. | udp | no | +| timeout | DNS query timeout (dial, write and read) in seconds. | 1 | no | + +</details> + +#### Examples + +##### Basic + +An example configuration. + +<details><summary>Config</summary> + +```yaml +jobs: + - name: local + address: 127.0.0.1:53 + +``` +</details> + +##### Using TCP protocol + +Local server with specific DNS query transport protocol. + +<details><summary>Config</summary> + +```yaml +jobs: + - name: local + address: 127.0.0.1:53 + protocol: tcp + +``` +</details> + +##### Multi-instance + +> **Note**: When you define multiple jobs, their names must be unique. + +Collecting metrics from local and remote instances. + + +<details><summary>Config</summary> + +```yaml +jobs: + - name: local + address: 127.0.0.1:53 + + - name: remote + address: 203.0.113.0:53 + +``` +</details> + + + +## Troubleshooting + +### Debug Mode + +To troubleshoot issues with the `dnsmasq` collector, run the `go.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 `go.d.plugin` to debug the collector: + + ```bash + ./go.d.plugin -d -m dnsmasq + ``` + + |