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From Eric Covener <cove...@gmail.com>
Subject Re: [users@httpd] problem with rotatelogs time of day formatting
Date Sat, 01 Oct 2011 15:08:33 GMT
When you rotate on time interval, rotatelogs names the file not after the
time it logged the first msg but from a normalized start of an interval. 24
hour intervals start at midnight

On Sep 30, 2011 11:20 PM, "Albert Lunde" <atlunde@panix.com> wrote:
>
> I'm trying to set up piped access and error logs, with "rotatelogs", as
I'm porting the configuration from Solaris box to a small cluster of Linux
VMs running RHEL 5.
>
> We're trying to use file name patterns like:
>
> error_log_chnuinfow3.%Y-%m-%d-%H_%M_%S.txt
>
> The date substitutions are working, but the time of day characters come
out as zeros. An example, and some system information, are quoted below.
>
> I originally was trying to use rotatelogs from the Red Hat httpd RPMs.
>
> But since they are a version of httpd 2.2.3 with back-ported patches,
> I then tried building the newest httpd 2.2.21 from source, off to one
side, with static support binaries.
>
> That's the source of /usr/local/sbin/rotatelogs below. But both versions
seem to have the same symptom.
>
> I wrote a C program to test the system strftime, and that seemed to work
as expected, but I suppose the APR library date/time library is what is
being used, making that somewhat moot.
>
> (I'm also aware of logrotate, and the legacy server just stops and starts
the server in a nightly job that also rotates the logs in a shell script.
Others wanted to do use piped log rotation,
> I'm trying to make it work.)
>
> Any ideas?
>
> ErrorLog "|/usr/local/sbin/rotatelogs -f
/var/log/httpd/error_log_chnuinfow3.%Y-%m-%d-%H_%M_%S.txt 86400"
>
> [root@chnuinfow3 conf]# ls -1 /var/log/httpd
> access_log_chnuinfow3.2011-09-30-00_00_00.txt
> access_log_chnuinfow3.2011-10-01-00_00_00.txt
> access_log_skipped_chnuinfow3.2011-09-30-00_00_00.txt
> access_log_skipped_chnuinfow3.2011-10-01-00_00_00.txt
> error_log_chnuinfow3.2011-09-30-00_00_00.txt
> error_log_chnuinfow3.2011-10-01-00_00_00.txt
>
>> [lunde@chnuinfow3 ~]$ rpm -qa | grep httpd
>> httpd-devel-2.2.3-45.el5
>> httpd-manual-2.2.3-45.el5
>> system-config-httpd-1.3.3.3-1.el5
>> httpd-2.2.3-45.el5
>
>
>> [lunde@chnuinfow3 ~]$ uname -a
>> Linux chnuinfow3.it.northwestern.edu 2.6.18-238.9.1.el5 #1 SMP Fri Mar 18
12:42:39 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux
>
>
>> [root@chnuinfow3 conf]# /usr/sbin/httpd -V
>> Server version: Apache/2.2.3
>> Server built:   Dec  7 2010 11:19:58
>> Server's Module Magic Number: 20051115:3
>> Server loaded:  APR 1.2.7, APR-Util 1.2.7
>> Compiled using: APR 1.2.7, APR-Util 1.2.7
>> Architecture:   64-bit
>> Server MPM:     Prefork
>>  threaded:     no
>>    forked:     yes (variable process count)
>> Server compiled with....
>>  -D APACHE_MPM_DIR="server/mpm/prefork"
>>  -D APR_HAS_SENDFILE
>>  -D APR_HAS_MMAP
>>  -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
>>  -D APR_USE_SYSVSEM_SERIALIZE
>>  -D APR_USE_PTHREAD_SERIALIZE
>>  -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
>>  -D APR_HAS_OTHER_CHILD
>>  -D AP_HAVE_RELIABLE_PIPED_LOGS
>>  -D DYNAMIC_MODULE_LIMIT=128
>>  -D HTTPD_ROOT="/etc/httpd"
>>  -D SUEXEC_BIN="/usr/sbin/suexec"
>>  -D DEFAULT_PIDLOG="run/httpd.pid"
>>  -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
>>  -D DEFAULT_LOCKFILE="logs/accept.lock"
>>  -D DEFAULT_ERRORLOG="logs/error_log"
>>  -D AP_TYPES_CONFIG_FILE="conf/mime.types"
>>  -D SERVER_CONFIG_FILE="conf/httpd.conf"
>
>
> Test of the system strftime on a similar pattern seems OK:
>
>> [lunde@chnuinfow3 ~]$ cat strftime_test.c
>> #include <stdio.h>
>> #include <time.h>
>> #include <stdlib.h>
>> #include <unistd.h>
>>
>> /* gcc -ansi -Wall strftime_test.c -o strftime_test */
>>
>> int main (int argc, char** argv)
>> {
>>
>> time_t rawtime;
>> struct tm * timeinfo;
>> char buffer [80];
>> if(argc<2){
>>    printf("# Usage: strftime_test <format-string>\n");
>>    exit(0);
>> }
>>
>> time ( &rawtime );
>> timeinfo = localtime ( &rawtime );
>>
>> strftime (buffer,80,argv[1],timeinfo);
>> puts (buffer);
>>
>> return 0;
>> }
>>
>>
>> [lunde@chnuinfow3 ~]$ ./strftime_test "%Y-%m-%d-%H_%M_%S"
>> 2011-09-30-22_02_12
>> [lunde@chnuinfow3 ~]$
>
>
>
>
> --
>    Albert Lunde  albert-lunde@northwestern.edu
>                  atlunde@panix.com  (address for personal mail)
>
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