[Pkg-nagios-devel] Bug#705900: Bug#705900: Bug#705900: Bug#705900: check_ping fail if host do not have IPv6 address

[Jan Wagner]

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severity 705900 minor
thanks

Hi Petter,

many thanks for your verbose informations.

Am 22.04.2013 10:32, schrieb Petter Reinholdtsen:
> [Jan Wagner]
>> Could you please test "/usr/lib/nagios/plugins/check_ping -vvv
>> -H test.test.org -w 10,10% -c 10,10%" ... just to be sure.
> 
> The machine do not have internet connectivity by default.  I tried 
> this first:
> 
> root at tjener:~# /usr/lib/nagios/plugins/check_ping -vvv -H
> tjener.intern -w 10,10% -c 10,10% CMD: /bin/ping6 -n -U -w 10 -c 5
> tjener.intern Got stderr: connect: Invalid argument /bin/ping6 -n
> -U -w 10 -c 5 tjener.intern CRITICAL - Could not interpret output
> from ping command

Hmm ... this is really strange!

> root at tjener:~# /usr/lib/nagios/plugins/check_ping -vvv -H
> test.test.org -w 10,10% -c 10,10% check_ping: Invalid
> hostname/address - test.test.org Usage: check_ping -H
> <host_address> -w <wrta>,<wpl>% -c <crta>,<cpl>% [-p packets] [-t
> timeout] [-4|-6] root at tjener:~#

Okay .. without network this seems really feasible.

> Then I fixed internet routing and tried again to test.test.org:
> 
> root at tjener:~# /usr/lib/nagios/plugins/check_ping -vvv -H
> test.test.org -w 10,10% -c 10,10% CMD: /bin/ping -n -U -w 10 -c 5
> test.test.org Output: PING test.test.org (127.0.0.1) 56(84) bytes
> of data. Output: 64 bytes from 127.0.0.1: icmp_req=1 ttl=64
> time=0.119 ms Output: 64 bytes from 127.0.0.1: icmp_req=2 ttl=64
> time=0.042 ms Output: 64 bytes from 127.0.0.1: icmp_req=3 ttl=64
> time=0.041 ms Output: 64 bytes from 127.0.0.1: icmp_req=4 ttl=64
> time=0.041 ms Output: 64 bytes from 127.0.0.1: icmp_req=5 ttl=64
> time=0.042 ms Output: Output: --- test.test.org ping statistics
> --- Output: 5 packets transmitted, 5 received, 0% packet loss, time
> 3999ms Output: rtt min/avg/max/mdev = 0.041/0.057/0.119/0.031 ms 
> PING OK - Packet loss = 0%, RTA = 0.06
> ms|rta=0.057000ms;10.000000;10.000000;0.000000 pl=0%;10;10;0 
> 10.000000:10% 10.000000:10% root at tjener:~#

Okay ... that's whet I expected. Nice to see that it works.

> No idea what is going on here, nor how they are different.

Okay .. I did put "tjener.intern" into my /etc/hosts as 127.0.0.1:

waja at bb:~$ grep tjener.intern /etc/hosts
127.0.0.1	localhost	tjener.intern
waja at bb:~$ /usr/lib/nagios/plugins/check_ping -vvv -H tjener.intern -w
10,10% -c 10,10%
CMD: /bin/ping -n -U -w 10 -c 5 tjener.intern
Output: PING localhost (127.0.0.1) 56(84) bytes of data.
Output: 64 bytes from 127.0.0.1: icmp_req=1 ttl=64 time=0.025 ms
Output: 64 bytes from 127.0.0.1: icmp_req=2 ttl=64 time=0.038 ms
Output: 64 bytes from 127.0.0.1: icmp_req=3 ttl=64 time=0.051 ms
Output: 64 bytes from 127.0.0.1: icmp_req=4 ttl=64 time=0.042 ms
Output: 64 bytes from 127.0.0.1: icmp_req=5 ttl=64 time=0.047 ms
Output:
Output: --- localhost ping statistics ---
Output: 5 packets transmitted, 5 received, 0% packet loss, time 3998ms
Output: rtt min/avg/max/mdev = 0.025/0.040/0.051/0.011 ms
PING OK - Packet loss = 0%, RTA = 0.04
ms|rta=0.040000ms;10.000000;10.000000;0.000000 pl=0%;10;10;0
10.000000:10% 10.000000:10%

Looks like it's working and I'm actually convinced, that the source of
your trouble is somewhere outside of the nagios-plugins package. Fore
sure even if it turns out it is, so it seems just 'minor'.

Just out of curiosity, could you please try to use "check_ping -4 ..."?

Many thanks, Jan.
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