logrotate

logrotateCreateSmartConf.sh

#!/bin/bash
# Run this script whenever you need to update the logrotate configuration for your website. 
# You can do that in 3 ways:
# a) Execute this script Manually 
# b) Schedule it on a cronjob
# c) Execute it every time before the rotation takes place. Call this script on first line of your logrotate "/etc/cron.daily/logrotate"

# -e = stop if something fails
# -u = fail if you try to use an unset variable.
set -eu

clearConfigFile () {
    echo "
# FILE automatically generated
    " > "${CONFIG_FILENAME}"
}

getLogFolderProperties () {
	USER=$(stat -c "%U" "${ORIG_DIR}")
	GROUP=$(stat -c "%G" "${ORIG_DIR}")
	PERMISSIONS=$(stat -c "%a" "${ORIG_DIR}")
}

createOldDir () {
	getLogFolderProperties
	if [ ! -d "${OLD_DIR}" ]; then
    	mkdir -p "${OLD_DIR}"
	chown -R "${USER}":"${GROUP}" "${LOG_DIR}"/"${DEST_SUBDIR}"
	chmod -R "${PERMISSIONS}" "${LOG_DIR}"/"${DEST_SUBDIR}"
	fi
}

addLogConfig () {
        echo "${ORIG_DIR}/*.log {
        su root root
        olddir ${OLD_DIR}
        weekly
        rotate 12
        missingok
        compress
	delaycompress
	notifempty
        dateext
        dateformat -%Y-%m-%d
        }
        " >> "${CONFIG_FILENAME}"
}

createConfigFile () {
        clearConfigFile
	LOG_DIRS=$(find "${BASE_DIR}" -type d -name log -not -iwholename "*vendor*" -not -iwholename "*cache*")

	for LOG_DIR in ${LOG_DIRS}
	do
		LOG_SUBDIRS=$(find "${LOG_DIR}" -type d -not -iwholename "*${DEST_SUBDIR}*")
		for LOG_SUBDIR in ${LOG_SUBDIRS}
		do
			LOG_RELATIVE_DIR=${LOG_SUBDIR:${#LOG_DIR}}
			ORIG_DIR=${LOG_SUBDIR}
			OLD_DIR=${LOG_DIR}/${DEST_SUBDIR}${LOG_RELATIVE_DIR}

			createOldDir
			addLogConfig
		done
	done
}

# Script Start
BASE_DIR=/home
DEST_SUBDIR=logs_rotated
CONFIG_FILENAME=/etc/logrotate.d/webspaces

createConfigFile