sa1: Add --rotate option

This option tells sa1 to add a statistics record to the system activity
daily data file of the previous day. This should be done shortly after
midnight in order to make sure that the data file covers the whole day,
including the last interval of time just before midnight.

Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>

diff --git a/sa1.in b/sa1.in
index 4466daefc3ffe486ef39db6bcd461d6b6ed17abc..3ae2e3bc41558b6596d1120c36d0ff566380bc70 100644 (file)
--- a/sa1.in
+++ b/sa1.in
@@ -14,6 +14,7 @@ SA_DIR=@SA_DIR@
 SYSCONFIG_DIR=@SYSCONFIG_DIR@
 SYSCONFIG_FILE=@SYSCONFIG_FILE@
 UMASK=0022
+LONG_NAME=n
 
 [ -r ${SYSCONFIG_DIR}/${SYSCONFIG_FILE} ] && . ${SYSCONFIG_DIR}/${SYSCONFIG_FILE}
 
@@ -27,12 +28,27 @@ umask ${UMASK}
 if [ ${HISTORY} -gt 28 ]
 then
        SADC_OPTIONS="${SADC_OPTIONS} -D"
+       LONG_NAME=y
 fi
 
 ENDIR=@SA_LIB_DIR@
 cd ${ENDIR}
 [ "$1" = "--boot" ] && shift && BOOT=y || BOOT=n
 [ "$1" = "--sleep" ] && shift && SLEEP=y || SLEEP=n
+
+ROTATE=n
+[ "$1" = "--rotate" ] && shift && ROTATE=y && [ "$1" = "iso" ] && shift && LONG_NAME=y
+if [ "${ROTATE}" = "y" ]
+then
+       if [ "${LONG_NAME}" = "y" ]
+       then
+               DATE=`date --date=yesterday +%Y%m%d`
+       else
+               DATE=`date --date=yesterday +%d`
+       fi
+       SA_DIR=${SA_DIR}/sa${DATE}
+fi
+
 if [ "${SLEEP}" = "y" ]
 then
        exec ${ENDIR}/sadc -F -L ${SADC_OPTIONS} -C "LINUX SLEEP MODE ($*)" ${SA_DIR}
@@ -40,7 +56,7 @@ elif [ $# = 0 ] && [ "${BOOT}" = "n" ]
 then
 # Note: Stats are written at the end of previous file *and* at the
 # beginning of the new one (when there is a file rotation) only if
-# outfile has been specified as '-' on the command line...
+# outfile has not been explicitly specified on the command line...
        exec ${ENDIR}/sadc -F -L ${SADC_OPTIONS} 1 1 ${SA_DIR}
 else
        exec ${ENDIR}/sadc -F -L ${SADC_OPTIONS} $* ${SA_DIR}