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Bug #10522

closed

Telegraf, Netstat fails (missing lsof)

Added by Russell Morris about 5 years ago. Updated almost 5 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Renato Botelho
Category:
Telegraf
Target version:
-
Start date:
05/02/2020
Due date:
% Done:

100%

Estimated time:
Plus Target Version:
Affected Version:
Affected Plus Version:
Affected Architecture:

Description

Enabling netstat from the web interface (as part of Telegraf) ... fails. The error message can be seen from a command line test run,
telegraf --test --input-filter netstat --config /usr/local/etc/telegraf.conf

2020-05-03T03:18:31Z I! Starting Telegraf 1.13.4
2020-05-03T03:18:31Z E! [inputs.netstat] Error in plugin: error getting net connections info: exec: "lsof": executable file not found in $PATH
2020-05-03T03:18:31Z E! [telegraf] Error running agent: One or more input plugins had an error

The fix is to manually install lsof, but shouldn't it be part of the package, to avoid this extra manual step?

Thanks!

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 #1

Updated by Jim Pingle about 5 years ago

  • Category set to Telegraf
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 #2

Updated by Manuel Piovan about 5 years ago

can't reproduce, it work for me
[2.4.5-RELEASE][]/root: telegraf --test --input-filter netstat --config /usr/local/etc/telegraf.conf
2020-05-04T18:55:20Z I! Starting Telegraf 1.13.4

netstat,host=pfSense.trmultiservice.lab tcp_close=0i,tcp_close_wait=0i,tcp_closing=0i,tcp_established=3i,tcp_fin_wait1=0i,tcp_fin_wait2=0i,tcp_last_ack=0i,tcp_listen=14i,tcp_none=0i,tcp_syn_recv=0i,tcp_syn_sent=0i,tcp_time_wait=0i,udp_socket=17i 1588618521000000000

the path is /usr/local/sbin/lsof
check your config or
try to reinstall lsof with 

pkg install --force lsof-4.93.2_9,8

or ask the forum

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 #3

Updated by Russell Morris about 5 years ago

Yes, it works for me as well - after I manually install lsof. The reason I raised this is that lsof should be included when telegraf is installed ... agreed?

Thanks!

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 #4

Updated by Viktor Gurov about 5 years ago

correct, see https://github.com/influxdata/telegraf/blob/master/plugins/inputs/net/NETSTAT_README.md:

Netstat Input Plugin

This plugin collects TCP connections state and UDP socket counts by using lsof.

Fix:
https://github.com/pfsense/FreeBSD-ports/pull/858

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 #5

Updated by Jim Pingle about 5 years ago

  • Status changed from New to Pull Request Review
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 #6

Updated by Renato Botelho about 5 years ago

  • Status changed from Pull Request Review to Feedback
  • Assignee set to Renato Botelho
  • % Done changed from 0 to 100

PR has been merged. Thanks!

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 #7

Updated by Russell Morris about 5 years ago

Thanks very much for the quick action!

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 #8

Updated by Viktor Gurov almost 5 years ago

  • Status changed from Feedback to Resolved

Good:

New packages to be INSTALLED:
    pfSense-pkg-Telegraf: 0.9_4 [pfSense]
    lsof: 4.93.2_9,8 [pfSense]
    telegraf: 1.13.4_1 [pfSense]

Number of packages to be installed: 3

The process will require 66 MiB more space.
14 MiB to be downloaded.
[1/3] Fetching pfSense-pkg-Telegraf-0.9_4.txz: . done
[2/3] Fetching lsof-4.93.2_9,8.txz: .......... done
[3/3] Fetching telegraf-1.13.4_1.txz: .......... done
...

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