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Info

This article details how to debug and troubleshoot the smart ping Smart Ping feature within Checkmk.

Status
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titleLAST TESTED ON CHECKMK 2.2.0P1


Panel
borderColorblack
bgColor#f8f8f8
titleTable of Contents

Table of Contents

Debug the

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Smart Ping in the cmc.log

  1. Increase the log to debug →
    • → Smart
    ping
    • Ping

  2. Checkin Check in the cmc.log (as site user)

    Code Block
    languagebash
    themeRDark
    grep -e <IP> -e <HOSTNAME> ~/var/log/cmc.log | grep -e "smartping timeout" -e "received p"



Livestatus query

With this command, you can check the check interval, retry interval, smart ping Smart Ping timeout, and the max check attempts of the host:

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Code Block
languagebash
themeRDark
OMD[mysite]:~$ lq "GET hosts\nColumns: host_name check_interval retry_interval smartping_timeout max_check_attempts state state_type\nFilter: host_name = <Myhost>"


Debugging the

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Smart Ping via cli

To use this command, you must create (as a site user) a file dump.py in ~/local/bin. The file should look like this: Debugging of smart pingSmart Ping#thecontentof./dump.py

Code Block
languagebash
themeRDark
OMD[mysite]:~/local/bin$ ~/lib/cmc/icmpreceiver |python3 ~/local/bin/dump.py |grep --line-buffered  "127.0.0.1" |perl -pe 'use POSIX strftime; print strftime "[%Y-%m-%d %H:%M:%S] ", localtime'

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If Perl is not possible, you will find it here: https://unix.stackexchange.com/questions/26728/prepending-a-timestamp-to-each-line-of-output-from-a-command

the content of ./dump.py

Code Block
languagepy
themeRDark
#!/usr/bin/env python3

import ipaddress
import sys

def main() -> None:
    while True:
        addr = ipaddress.ip_address(sys.stdin.buffer.read(4))
        sys.stdout.write(f"{addr!s}\n")
        sys.stdout.flush()

if __name__ == "__main__":
    main()

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Code Block
languagebash
themeRDark
 ~/lib/cmc/icmpreceiver | perl -ne 'map { CORE::say join "." => unpack "CCCC", pack "L", $_ } unpack "L*";'


Filter by label (Content by label)
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spacesKB
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sortmodified
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typepage
cqllabel in ( "smart_ping" , "smartping" , "troubleshooting" ) and type = "page" and space = "KB"
labelssmart_ping smartping

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