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Hi all,
Does anyone have opinions on timezone adjustments per host or service?
We are wanting to replace our current in-house monitoring with nagios, but
our single monitoring system pushes thousands of checks out to sites in half
a dozen different timezones every hour. Some of these checks are timezone
sensitive, whilst others aren't.
I propose that service & host have "timezone" & "use_timezone"
attributes. Below is an example of how i'd [poorly] calculate a tz_offset
based on the "timezone" attribute.
Thoughts?
Cheers,
Grant
/* get the timezone difference between local time & the given timezone */
long get_timezone_offset(const char *tz){
char *tzlocal;
struct tm t;
time_t secs_since_epoch;
long local_utc_offset, remote_utc_offset;
/* save existing timezone data, if exists & grab seconds elapsed since
the EPOCH */
tzlocal=getenv("TZ");
secs_since_epoch=time(NULL);
/* get local offset from UTC, in seconds */
tzset();
localtime_r(&secs_since_epoch,&t);
local_utc_offset=secs_since_epoch-mktime(&t);
/* set our timezone to remote timezone */
setenv("TZ",tz,1);
tzset();
localtime_r(&secs_since_epoch,&t);
/* restore original timezone */
if(tzlocal!=NULL)
setenv("TZ",tzlocal,1);
else
unsetenv("TZ");
tzset();
/* get remote offset from UTC, in seconds */
remote_utc_offset=secs_since_epoch-mktime(&t);
return (local_utc_offset-remote_utc_offset);
}
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Hi all,
Does anyone have opinions on timezone adjustments per host or service?
We are wanting to replace our current in-house monitoring with nagios, but our single monitoring system pushes thousands of checks out to sites in half a dozen different timezones every hour. Some of these checks are timezone sensitive, whilst others aren't.
I propose that service & host have "timezone" & "use_timezone" attributes. Below is an example of how i'd [poorly] calculate a tz_offset based on the "timezone" attribute.
Thoughts?
Cheers,
Grant
/* get the timezone difference between local time & the given timezone */long get_timezone_offset(const char *tz){ char *tzlocal; struct tm t; time_t secs_since_epoch; long local_utc_offset, remote_utc_offset;
/* save existing timezone data, if exists & grab seconds elapsed since the EPOCH */ tzlocal=getenv("TZ"); secs_since_epoch=time(NULL);
/* get local offset from UTC, in seconds */ tzset(); localtime_r(&secs_since_epoch,&t); local_utc_offset=secs_since_epoch-mktime(&t);
/* set our timezone to remote timezone */ setenv("TZ",tz,1); tzset(); localtime_r(&secs_since_epoch,&t);
/* restore original timezone */ if(tzlocal!=NULL) setenv("TZ",tzlocal,1); else unsetenv("TZ"); tzset();
/* get remote offset from UTC, in seconds */ remote_utc_offset=secs_since_epoch-mktime(&t); return (local_utc_offset-remote_utc_offset);}
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Original poster: [email protected]