https://github.com/evry-ace/node-dns-exporter

Prometheus exporter for node level DNS metrics
https://github.com/evry-ace/node-dns-exporter

dns observability prometheus-exporter

Last synced: about 2 months ago
JSON representation

Prometheus exporter for node level DNS metrics

• Host: GitHub
• URL: https://github.com/evry-ace/node-dns-exporter
• Owner: evry-ace
• License: mit
• Created: 2021-02-26T15:22:21.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2024-09-17T10:05:19.000Z (4 months ago)
• Last Synced: 2024-09-17T12:38:15.423Z (4 months ago)
• Topics: dns, observability, prometheus-exporter
• Language: Go
• Homepage:
• Size: 116 KB
• Stars: 11
• Watchers: 3
• Forks: 4
• Open Issues: 16
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Codeowners: .github/CODEOWNERS

Awesome Lists containing this project

README

        
# node-dns-exporter

Prometheus exporter for node level DNS metrics. This is intended to run as a

DaemonSet in your Kubernetes cluster to report DNS client metrics from each node.

## Usage

```

Usage of node-dns-exporter:

  -listen-address string

        The address to listen on for HTTP requests. (default "127.0.0.1:8080")

  -test-hosts string

        Comma separated list of hosts to test DNS resolution (default "nrk.no,vg.no,example.com")

  -test-interval-seconds int

        Interval in seconds for running test DNS resolution (default 10)

```

## Features

* [x] resolvconf metrics (`node_dns_nameserver` and `node_dns_searchdomain`)

* [x] resolv a set of sample domain names evry x seconds to test that name

## Example Metrics

```

# HELP node_dns_nameserver

# TYPE node_dns_nameserver counter

node_dns_nameserver{server="1.1.1.1"} 1

node_dns_nameserver{server="192.168.40.44"} 1

# HELP node_dns_test_result

# TYPE node_dns_test_result gauge

node_dns_test_result{host="example.com",result="",status="failed"} 0

node_dns_test_result{host="example.com",result="2606:2800:220:1:248:1893:25c8:1946,93.184.216.34",status="success"} 1

node_dns_test_result{host="nrk.no",result="",status="failed"} 0

node_dns_test_result{host="nrk.no",result="23.36.77.90,23.36.77.99,2a02:26f0:4300::1724:4cf1,2a02:26f0:4300::1724:4cf8",status="success"} 1

node_dns_test_result{host="vg.no",result="",status="failed"} 0

node_dns_test_result{host="vg.no",result="195.88.54.16,195.88.55.16,2001:67c:21e0::16",status="success"} 1

```