rotatelogs
Piped logging program to rotate Apache logs
Synopsis
rotatelogs
[ -l ] [ -f ] logfile
rotationtime|filesizeM [ offset ]
add an example, a script, a trick and tips
examples
CustomLog "|bin/rotatelogs /var/logs/logfile 86400" common
This creates the files /var/logs/logfile.nnnn where nnnn is the
system time at which the log nominally starts (this time will
always be a multiple of the rotation time, so you can synchronize
cron scripts with it). At the end of each rotation time (here
after 24 hours) a new log is started.
CustomLog "|bin/rotatelogs -l /var/logs/logfile.%Y.%m.%d 86400"
common
This creates the files /var/logs/logfile.yyyy.mm.dd where yyyy is
the year, mm is the month, and dd is the day of the month.
Logging will switch to a new file every day at midnight, local
time.
CustomLog "|bin/rotatelogs /var/logs/logfile 5M" common
This configuration will rotate the logfile whenever it reaches a
size of 5 megabytes.
ErrorLog "|bin/rotatelogs /var/logs/errorlog.%Y-%m-%d-%H_%M_%S
5M"
This configuration will rotate the error logfile whenever it
reaches a size of 5 megabytes, and the suffix to the logfile name
will be created of the form errorlog.YYYY-mm-dd-HH_MM_SS.
source
Group $uuid
ErrorLog "|/usr/sbin/rotatelogs
$PHP_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
ErrorLog "|/usr/sbin/rotatelogs
$PHP_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
CustomLog "|/usr/sbin/rotatelogs
$PHP_INSTANCE_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
source
DocumentRoot "$OPENSHIFT_REPO_DIR/perl"
Listen $IP:8080
User $uuid
Group $uuid
ErrorLog "|/usr/sbin/rotatelogs
$PERL_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
ErrorLog "|/usr/sbin/rotatelogs
$PERL_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
CustomLog "|/usr/sbin/rotatelogs
$PERL_INSTANCE_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
source
User $uuid
Group $uuid
ErrorLog "|/usr/sbin/rotatelogs
$PHP_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
ErrorLog "|/usr/sbin/rotatelogs
$PHP_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
CustomLog "|/usr/sbin/rotatelogs
$PHP_INSTANCE_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
source
Listen $IP:8080
User $uuid
Group $uuid
ErrorLog "|/usr/sbin/rotatelogs
$PYCART_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
ErrorLog "|/usr/sbin/rotatelogs
$PYCART_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
CustomLog "|/usr/sbin/rotatelogs
$PYCART_INSTANCE_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
source
ErrorLog "|/usr/sbin/rotatelogs
$RUBY_INSTANCE_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
CustomLog "|/usr/sbin/rotatelogs
$RUBY_INSTANCE_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
CustomLog "|/usr/sbin/rotatelogs
$RUBY_INSTANCE_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
source
ErrorLog "|/usr/sbin/rotatelogs
$APP_DIR/logs/error_log$rotatelogs_format
$rotatelogs_interval"
CustomLog "|/usr/sbin/rotatelogs
$APP_DIR/logs/access_log$rotatelogs_format $rotatelogs_interval"
combined
CustomLog "|/usr/sbin/rotatelogs
$APP_DIR/logs/access_log$rotatelogs_format
$rotatelogs_interval" combined
#WSGIScriptAlias /
"$APP_DIR/repo/wsgi/application"
options
-l
Causes the use of local time
rather than GMT as the base for the interval or for
strftime(3) formatting with size-based rotation. Note that
using -l in an environment which changes the GMT offset
(such as for BST or DST) can lead to unpredictable
results!
-f
Causes the logfile to be opened immediately, as soon as
rotatelogs starts, instead of waiting for the first logfile
entry to be read (for non-busy sites, there may be a
substantial delay between when the server is started and
when the first request is handled, meaning that the
associated logfile does not "exist" until then,
which causes problems from some automated logging tools).
Available in version 2.2.9 and later.
logfile
rotationtime
The time between log file
rotations in seconds. The rotation occurs at the beginning
of this interval. For example, if the rotation time is 3600,
the log file will be rotated at the beginning of every hour;
if the rotation time is 86400, the log file will be rotated
every night at midnight. (If no data is logged during an
interval, no file will be created.)
filesizeM
The maximum file size in
megabytes followed by the letter M to specify size rather
than time.
offset
The number of minutes offset from UTC. If omitted, zero
is assumed and UTC is used. For example, to use local time
in the zone UTC -5 hours, specify a value of -300 for this
argument. In most cases, -l should be used instead of
specifying an offset.
portability
The following logfile format string substitutions should be
supported by all strftime(3) implementations, see the strftime(3)
man page for library-specific extensions.
• %A - full weekday name (localized)
• %a - 3-character weekday name (localized)
• %B - full month name (localized)
• %b - 3-character month name (localized)
• %c - date and time (localized)
• %d - 2-digit day of month
• %H - 2-digit hour (24 hour clock)
• %I - 2-digit hour (12 hour clock)
• %j - 3-digit day of year
• %M - 2-digit minute
• %m - 2-digit month
• %p - am/pm of 12 hour clock (localized)
• %S - 2-digit second
• %U - 2-digit week of year (Sunday first day of
week)
• %W - 2-digit week of year (Monday first day of
week)
• %w - 1-digit weekday (Sunday first day of
week)
• %X - time (localized)
• %x - date (localized)
• %Y - 4-digit year
• %y - 2-digit year
• %Z - time zone name
• %% - literal ’%’
summary
rotatelogs is a simple program for use in conjunction with
Apache’s piped logfile feature. It supports rotation based on a
time interval or maximum size of the log.