rotate log

rotate_log.sh

#!/bin/bash
DIR=/data/logs/nginx/

rotate_log() {
    FILENAME=$1
    SRC=$DIR/$FILENAME
    DEST=$DIR/${FILENAME}.$(date yesterday +%y%m%d)
    mv $SRC $DEST
}

compress_log() {
    FILENAME=$1
    SRC=$DIR/$FILENAME
    DEST=$DIR/${FILENAME}.$(date yesterday +%y%m%d)
    gzip $DEST
}

rotate_log access.log
rotate_log error.log
# rotate_log foo.log

kill -USR1 `cat /var/run/nginx.pid`
sleep 1

# compress_log foo.log
compress_log access.log
compress_log error.log