linux:purging_script
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Table of Contents
Description
Have you ever fight with logrotate configuration files? Did you survived? Cool, this document is not for you xD This is script is a very simple method to drop unnecessary files from your filesystems (logs?) and rotate them so they don't growth forever
Instructions
Usage
/u02/admin/BAVELPRO/scripts/purge_files.sh
Configuration
/u02/admin/BAVELPRO/scripts/purge_files.config
Config file sytax
Each line in the config file is set of file to be analysed and purged/rotated, the syntax is:
#path,mask,action,param1,param2,param3
Where:
- Path is the folder from which the script begin searching (serching with find)
- Mask: file mask for matching files, the script uses
find -name
(Ex: *gz, *log, *txt) - Action: Any of the avalaible actions detailed here down.
Y las opciones disponibles son (explicadas como parámetros de find)
path mask action
param1 param2 param3 /path ? bydate mtime maxdepth N/A /path ? bymin mmin maxdepth N/A /path ? rotate size maxdepth N/A /path ? rotatezip size maxdepth gzip parameters /path ? zip mtime maxdepth gzip parameters /path ? dirbydate mtime maxdepth N/A /path ? dirbymin mmin maxdepth N/A
Actions
bydate : elimina ficheros basándose en la fecha de modificación. (find -mtime X -type f) bymin : elimina ficheros basándose en el minuto de modificación. (find -mmin X -type f) dirbydate : elimina directorios basándose en la fecha de modificación. (find -mtime X -type d) dirbymin : elimina directorios basándose en el minuto de modificación. (find -mmin X -type d) rotate : rota el fichero (cat file > file.date && > file) rotatezip : rota el fichero y lo comprime al mismo tiempo (gzip -c file > file.date.gz && > file) zip : comprime el fichero (gzip file)
Script Code
- purge_files.sh
#!/bin/bash # # (C) dodger@ciberterminal.net # # # Exit codes: # 1 : No config file # 2 : Wrong option in the config file # 3 : # 4 : # 5 : # 6 : ######################################################################## # # CONSTANTS # ######################################################################## # colors LIGHTGREEN="\033[1;32m" LIGHTRED="\033[1;31m" WHITE="\033[0;37m" RESET="\033[0;00m" ######################################################################## # # / CONSTANTS # ######################################################################## ######################################################################## # # VARIABLES # ######################################################################## MYDATE=$(date +%Y%m%d%H%M) CONFIGFILE=$(dirname $0)/$(basename $0 .sh).config LOGDIR=CONFIG=$(dirname $0)/logs/ ######################################################################## # # / VARIABLES # ######################################################################## ######################################################################## # # FUNCTIONS # ######################################################################## usage() { printf "%s${LIGHTRED}USAGE:${RESET} $0 PLEASE READ https://sites.google.com/a/voxelgroup.net/sistemas/oracle/documentacion-tecnica/rotado-de-logs-y-trazas\n" # VERY INITIAL CHECKS } remove_files() { local AUX="" local OPT="-${1}" local DIR="${2}" if [[ "${DIR,,}" = "dir" ]] ; then local TYPEOF="-type d" local FINDCMD="-print | xargs rm -fr" local MESSAGE="$(date +%Y%m%d%H%M%S) : Deleting folders inside ${FOLDER}, with filemask ${MASK}, ${OPT} ${PARAM1}" else local TYPEOF="-type f" local FINDCMD="-delete" local MESSAGE="$(date +%Y%m%d%H%M%S) : Deleting files on ${FOLDER}, with filemask ${MASK}, ${OPT} ${PARAM1}" fi [[ "${PARAM2}" ]] && AUX="-maxdepth ${PARAM2}" && MESSAGE="%s${MESSAGE} and maxdepth ${PARAM2}" printf "%s${MESSAGE}\n" # workaround for eval "bug" # local AUXDIR="/tmp/$(date +%s)" # mkdir ${AUXDIR} # cd ${AUXDIR} eval find ${FOLDER} ${AUX} -name "${MASK}" ${TYPEOF} ${OPT} ${PARAM1} ${FINDCMD} # cd ${OLDPWD} # rm -fr ${AUXDIR} } rotate_files() { local USEZIP="$1" local MESSAGE="$(date +%Y%m%d%H%M%S) : Rotating files on ${FOLDER}, with filemask ${MASK}, -mtime ${PARAM1}" [[ "${PARAM2}" ]] && AUX="-maxdepth ${PARAM2}" && MESSAGE="${MESSAGE}, maxdepth ${PARAM2}" printf "%s${MESSAGE}\n" # printf "%s$(date +%Y%m%d%H%M%S) : Rotating files on ${FOLDER}, with filemask ${MASK}, -mtime ${PARAM1}" # [[ "${PARAM2}" ]] && AUX="-maxdepth ${PARAM2}" && printf "%s, maxdepth ${PARAM2}" case $USEZIP in "zip" ) [[ ! "${PARAM3}" ]] && PARAM3="-9fv" local MOVECMD="gzip -c ${PARAM3}" local DSTFILE="${MYDATE}.gz" printf "%s and gzipping with ${PARAM3}\n" ;; "nozip" ) local MOVECMD="cat" local DSTFILE="${MYDATE}" printf "%s\n" ;; * ) printf "%s${LIGHTRED}ERROR ON rotate_files function${RESET}" return 1 ;; esac while read FILE ; do echo ${FILE} ${MOVECMD} "${FILE}" > "${FILE}.${DSTFILE}" > ${FILE} done < <(find ${FOLDER} ${AUX} -name "${MASK}" -type f -size ${PARAM1^^}) } ######################################################################## # # / FUNCTIONS # ######################################################################## ######################################################################## # # MAIN # ######################################################################## # exec 1>> ${LOGDIR}/$(basename $0 .sh).log # exec 2>> ${LOGDIR}/$(basename $0 .sh).err if [ ! -f ${CONFIGFILE} ]; then echo "No configuration file found" exit 1 fi # workaround for eval "bug" AUXDIR="/tmp/$(date +%s)" mkdir ${AUXDIR} cd ${AUXDIR} #/ workaround for eval "bug" while read LINE ; do # if [[ ! "${LINE,,}" =~ ^\/[a-z0-9]{1,}/[\/\_\-\ a-z0-9]{1,},[\*\.\-\_\ \#a-z0-9]{3,20},(bydate|bymin|rotate|rotatezip|zip),\+[0-9]{1,3},(|\-[a-z0-9]{1,10}),$ ]] ; then if [[ ! "${LINE,,}" =~ ^\/[a-z0-9]{1,}\/[\.\/\_\ a-z0-9\-]{1,},[\*\.\_\ \#a-z0-9\-]{3,20},(dirbydate|dirbymin|bydate|bymin|rotate|rotatezip|zip),\+[0-9]{1,3}(|[kmg]),(|[0-9]{1,3}),(|\-[a-z0-9]{1,10})$ ]] ; then printf "%sskipping ${LINE}\nnot matching the config pattern, read instructions\n" continue fi FOLDER=$(echo $LINE | cut -d',' -f1) MASK=$(echo $LINE | cut -d',' -f2) ACTION=$(echo $LINE | cut -d',' -f3) PARAM1=$(echo $LINE | cut -d',' -f4) PARAM2=$(echo $LINE | cut -d',' -f5) PARAM3=$(echo $LINE | cut -d',' -f6) case ${ACTION,,} in "bydate" ) remove_files mtime ;; "bymin" ) remove_files mmin ;; "dirbydate" ) remove_files mtime dir ;; "dirbymin" ) remove_files mmin dir ;; "rotate" ) rotate_files nozip ;; "rotatezip" ) rotate_files zip ;; "zip" ) printf "%s$(date +%Y%m%d%H%M%S) : Gzipping files on ${FOLDER}, with filemask ${MASK}, ${OPT} ${PARAM1}" [[ "${PARAM2}" ]] && AUX="-maxdepth ${PARAM2}" && printf "%s and maxdepth ${PARAM2}\n" || printf "%s\n" [[ ! "${PARAM3}" ]] && PARAM3="-9fv" find ${FOLDER} ${AUX} -name "${MASK}" -type f -mtime ${PARAM1} -exec gzip -9fv {} \; ;; * ) usage exit 2 ;; esac done < <(cat ${CONFIGFILE} | egrep -v "^#|^$") # workaround for eval "bug" cd ${OLDPWD} rm -fr ${AUXDIR} #/ workaround for eval "bug" ######################################################################## # # / MAIN # ########################################################################
linux/purging_script.1381398151.txt.gz · Last modified: 2013/10/10 09:42 by dodger