[Xymon] DNS timeout not working

[Phil Crooker]

>From the known errors page:

DNS error reported for network tests

The xymonnet network tester uses the built-in ARES library for DNS
lookups. There have been reports that this library fails on some
systems; one confirmed case is on "OSF1 V5.1". So if you suddenly get a
lot of failed network tests that report "DNS error", try running
xymonnet with the "--no-ares" option to use the standard DNS lookups
instead.



>>> On 5/4/2011 at 11:48 PM, in message
<BANLkTinwG9V6-PvMXvLz=aYEVXj5GMWOgA at mail.gmail.com>, Raul GN
<ragonlan at gmail.com> wrote:
> Hi,
>     Since I installed version 4.3 (previous version may have same
issue) DNS
> timeout stopped working. In Task.cfg I put this line:
> 
> CMD xymonnet --report --ping --checkresponse --timeout=10
--dns-timeout=15
> 
> But dns-timeout didn't solve the issue.
> 
> When I put a host that doesn't response to DNS, time-out is too
large:
> Wed May 4 16:03:59 2011 dns NOT ok Service dns on HS-755 is not OK :
Service
> unavailable
>  Timeout
> Seconds: 178.169
> 
> If I remove dns-timeout parameter DNS check time is even greater:
> 
> Service dns on HS-755 is not OK : Service unavailable
> 
> Timeout
> 
> Seconds: 356.336
> 
> 
> With DNS test enabled:
> <<
> 
> TIME SPENT
> Event                                           Start time         
Duration
> xymonnet startup                            1357697.287237           
     -
> Service definitions loaded                  1357697.287887         
0.000650
> Tests loaded                                1357697.293270         
0.005382
> DNS lookups completed                       1357699.442598         
2.149328
> Test engine setup completed                 1357699.445198         
0.002600
> TCP tests completed                         1357711.442436        
11.997237
> PING test completed (108 hosts)             1357719.107813         
7.665377
> PING test results sent                      1357719.108279         
0.000465
> Test result collection completed            1357719.108485         
0.000205
> LDAP test engine setup completed            1357719.108485         
0.000000
> LDAP tests executed                         1357719.108486         
0.000000
> LDAP tests result collection completed      1357719.108486         
0.000000
> DNS tests executed                          1357897.279645       
178.171159
> Test results transmitted                    1357897.281396         
0.001751
> xymonnet completed                          1357897.282446         
0.001049
> TIME TOTAL                                                       
199.995208
> 
>>>
> 
> Without DNS test:
> 
> <<
> 
> TIME SPENT
> Event                                           Start time         
Duration
> xymonnet startup                              64910.045082           
     -
> Service definitions loaded                    64910.045765         
0.000682
> Tests loaded                                  64910.051131         
0.005365
> DNS lookups completed                         64910.055655         
0.004524
> Test engine setup completed                   64910.058453         
0.002797
> TCP tests completed                           64911.034675         
0.976221
> PING test completed (105 hosts)               64912.167164         
1.132489
> PING test results sent                        64912.168239         
0.001074
> Test result collection completed              64912.168467         
0.000227
> LDAP test engine setup completed              64912.168467         
0.000000
> LDAP tests executed                           64912.168468         
0.000000
> LDAP tests result collection completed        64912.168468         
0.000000
> DNS tests executed                            64912.177910         
0.009441
> Test results transmitted                      64912.179840         
0.001930
> xymonnet completed                            64912.181299         
0.001459
> TIME TOTAL                                                         
2.136217
> 
>>>
> 
> Does anyone know how to fix it? If I put many DNS test failures the
whole
> xymon get purple because xymonnet don't do DNS test in parallel but
in
> serial (one after other).
> 
> thank for you time,