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Network Response Input Plugin

The input plugin test UDP/TCP connections response time and can optional verify text in the response.

Configuration:

# Collect response time of a TCP or UDP connection
[[inputs.net_response]]
  ## Protocol, must be "tcp" or "udp"
  ## NOTE: because the "udp" protocol does not respond to requests, it requires
  ## a send/expect string pair (see below).
  protocol = "tcp"
  ## Server address (default localhost)
  address = "localhost:80"

  ## Set timeout
  # timeout = "1s"

  ## Set read timeout (only used if expecting a response)
  # read_timeout = "1s"

  ## The following options are required for UDP checks. For TCP, they are
  ## optional. The plugin will send the given string to the server and then
  ## expect to receive the given 'expect' string back.
  ## string sent to the server
  # send = "ssh"
  ## expected string in answer
  # expect = "ssh"

  ## Uncomment to remove deprecated fields; recommended for new deploys
  # fielddrop = ["result_type", "string_found"]

Metrics:

  • net_response
    • tags:
      • server
      • port
      • protocol
      • result
    • fields:
      • response_time (float, seconds)
      • result_code (int, success = 0, timeout = 1, connection_failed = 2, read_failed = 3, string_mismatch = 4)
      • result_type (string) DEPRECATED in 1.7; use result tag
      • string_found (boolean) DEPRECATED in 1.4; use result tag

Example Output:

net_response,port=8086,protocol=tcp,result=success,server=localhost response_time=0.000092948,result_code=0i,result_type="success" 1525820185000000000
net_response,port=8080,protocol=tcp,result=connection_failed,server=localhost result_code=2i,result_type="connection_failed" 1525820088000000000
net_response,port=8080,protocol=udp,result=read_failed,server=localhost result_code=3i,result_type="read_failed",string_found=false 1525820088000000000