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README.md

PowerDNS Input Plugin

The powerdns plugin gathers metrics about PowerDNS using unix socket.

Configuration:

# Description
[[inputs.powerdns]]
  # An array of sockets to gather stats about.
  # Specify a path to unix socket.
  #
  # If no servers are specified, then '/var/run/pdns.controlsocket' is used as the path.
  unix_sockets = ["/var/run/pdns.controlsocket"]

Permissions

Telegraf will need read access to the powerdns control socket.

On many systems this can be accomplished by adding the telegraf user to the pdns group:

usermod telegraf -a -G pdns

Measurements & Fields:

  • powerdns
    • corrupt-packets
    • deferred-cache-inserts
    • deferred-cache-lookup
    • dnsupdate-answers
    • dnsupdate-changes
    • dnsupdate-queries
    • dnsupdate-refused
    • packetcache-hit
    • packetcache-miss
    • packetcache-size
    • query-cache-hit
    • query-cache-miss
    • rd-queries
    • recursing-answers
    • recursing-questions
    • recursion-unanswered
    • security-status
    • servfail-packets
    • signatures
    • tcp-answers
    • tcp-queries
    • timedout-packets
    • udp-answers
    • udp-answers-bytes
    • udp-do-queries
    • udp-queries
    • udp4-answers
    • udp4-queries
    • udp6-answers
    • udp6-queries
    • key-cache-size
    • latency
    • meta-cache-size
    • qsize-q
    • signature-cache-size
    • sys-msec
    • uptime
    • user-msec

Tags:

  • tags: server=socket

Example Output:

$ ./telegraf --config telegraf.conf --input-filter powerdns --test
> powerdns,server=/var/run/pdns.controlsocket corrupt-packets=0i,deferred-cache-inserts=0i,deferred-cache-lookup=0i,dnsupdate-answers=0i,dnsupdate-changes=0i,dnsupdate-queries=0i,dnsupdate-refused=0i,key-cache-size=0i,latency=26i,meta-cache-size=0i,packetcache-hit=0i,packetcache-miss=1i,packetcache-size=0i,qsize-q=0i,query-cache-hit=0i,query-cache-miss=6i,rd-queries=1i,recursing-answers=0i,recursing-questions=0i,recursion-unanswered=0i,security-status=3i,servfail-packets=0i,signature-cache-size=0i,signatures=0i,sys-msec=4349i,tcp-answers=0i,tcp-queries=0i,timedout-packets=0i,udp-answers=1i,udp-answers-bytes=50i,udp-do-queries=0i,udp-queries=0i,udp4-answers=1i,udp4-queries=1i,udp6-answers=0i,udp6-queries=0i,uptime=166738i,user-msec=3036i 1454078624932715706