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Feb 3, 2019 . 1 changed file with 81 additions and 57 deletions.There are no files selected for viewing
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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -10,8 +10,9 @@ # * Required commands: # + mysqldump # + mysql # + bzip2 or gzip or xz # for compression # + openssl # for encryption # + msmtp # for mail functionality # ########################### @@ -20,7 +21,7 @@ # * Set correct values for below variables: # # MYSQL_HOST REQUIRED # MYSQL_PASSWD REQUIRED # BACKUP_ROOTDIR default = /backup (if using the script in a docker container do not change this) # MYSQL_PORT default = 3306 # MYSQL_PROTO default = TCP @@ -37,6 +38,9 @@ # ENC default = NO # CERT_LOC default = /run/secrets/mysql_backup_cert # # MAILTO REQUIRED for the mail functionality # MSMTPRC default = /etc/msmtprc # where msmtp gets the mail settings # MSMTP_ACCOUNT_NAME default = sql-dump # account identity in msmtprc # # Backup script suitable to run as a command in a mysql docker container # to backup databases running in mysql/mariadb servers, containerized or not. @@ -85,12 +89,12 @@ # Where to store backup copies. BACKUP_ROOTDIR=${BACKUP_ROOTDIR:-/backup} # for docker, mount a volume here # if you want the name of the service in the name of the BACKUP_DIR SWARM_SERVICE=${SWARM_SERVICE} # Required MYSQL_HOST=${MYSQL_HOST} MYSQL_PASSWD=${MYSQL_PASSWD} MYSQL_PORT=${MYSQL_PORT:-3306} MYSQL_PROTO=${MYSQL_PROTO:-TCP} # either TCP or SOCKET @@ -104,10 +108,6 @@ MYSQL_OPTIONS=${MYSQL_OPTIONS:---single-transaction} # eg. 'db1 db2 db3' DATABASES=${DATABASES:---all-databases} # Compress plain SQL file: YES, NO. # If Encryption is chosen then this var is not considered, the file will be compressed and encrypted! COMPRESS=${COMPRESS:-YES} @@ -132,6 +132,26 @@ SLEEP_SCHEDULE=${SLEEP_SCHEDULE:-0} # Use Cron schedule like: '0 0 * * *' backup every day at 12am CRON_SCHEDULE=${CRON_SCHEDULE:-0} # MAIL Settings MAILTO=${MAILTO} MSMTPRC=${MSMTPRC:-/etc/msmtprc} MSMTP_ACCOUNT_NAME=${MSMTP_ACCOUNT_NAME:-sql-dump} ####### example of msmtprc ######## # defaults # auth on # tls on # tls_starttls on # tls_trust_file /etc/ssl/certs/ca-certificates.crt # logfile /var/log/msmtp.log # # account sql-dump [$MSMTP_ACCOUNT_NAME] # host smtp.example.org # port 587 # from [email protected] # user [email protected] # password my_secure_password ######################################################### # You do *NOT* need to modify below lines. ######################################################### @@ -142,10 +162,15 @@ CMD_DATE='/bin/date' CMD_DU='du -sh' CMD_MYSQLDUMP='mysqldump' CMD_MYSQL='mysql' CMD_MAIL='msmtp' # if we run inside docker DOCKER=${DOCKER:-NO} if [[ ${DATABASES} == 'all' ]]; then DATABASES='--all-databases' fi # declare some vars we will use later LOGFILE= TIMESTAMP= @@ -159,37 +184,13 @@ cleanup() { } trap cleanup SIGINT SIGTERM # Verify MYSQL_HOST is set if [[ -z "$MYSQL_HOST" ]]; then echo "[ERROR] Environment variable MYSQL_HOST is required." 1>&2 exit 255 fi # Verify MYSQL_PASSWD is set if [[ -z "$MYSQL_PASSWD" ]]; then echo "[ERROR] Environment variable MYSQL_PASSWD is required." 1>&2 exit 255 @@ -233,6 +234,10 @@ if [[ "$?" != '0' ]]; then exit 255 fi BACKUP_SUCCESS='YES' sleep_linux_regex='^[0-9]+[s|m|h|d]{0,1}$' sleep_unix_regex='^[0-9]+$' backup_db() { db="${1}" @@ -285,9 +290,6 @@ backup_db() fi } execute_backup() { # Date. YEAR="$(${CMD_DATE} +%Y)" @@ -297,7 +299,11 @@ execute_backup() { TIMESTAMP="${YEAR}.${MONTH}.${DAY}.${TIME}" # Define, check, create directories. if [[ -z ${SWARM_SERVICE} ]]; then BACKUP_DIR="${BACKUP_ROOTDIR}/${MYSQL_HOST}/${YEAR}/${MONTH}/${DAY}" else BACKUP_DIR="${BACKUP_ROOTDIR}/${SWARM_SERVICE}_${MYSQL_HOST}/${YEAR}/${MONTH}/${DAY}" fi # Log file LOGFILE="${BACKUP_DIR}/${TIMESTAMP}.log" @@ -306,8 +312,8 @@ execute_backup() { [[ ! -d "${BACKUP_DIR}" ]] && mkdir -p "${BACKUP_DIR}" 2>/dev/null # Initialize log file. echo "==========================================================" > "${LOGFILE}" { echo "* Starting backup: ${TIMESTAMP}"; echo "* Backup directory: ${BACKUP_DIR}"; } >> "${LOGFILE}" # Backup. @@ -328,45 +334,63 @@ execute_backup() { done # Append file size of backup files. { echo -e "* File size:\n----"; ${CMD_DU} "${BACKUP_DIR}"/*"${TIMESTAMP}"*sql*; echo "----"; } >> "${LOGFILE}" echo "* Backup completed (Success? ${BACKUP_SUCCESS})." >> "${LOGFILE}" } backup_interval_format_error() { echo "[ERROR] SLEEP_SCHEDULE supports 0 for running the script once and exit (the default value)" 1>&2 echo "[ERROR] or a NUMBER for time in seconds or for LINUX ONLY: NUMBER[s|m|h|d] for seconds, minutes, hours and days respectively." 1>&2 exit 255 } send_mail() { cp ${LOGFILE} /tmp/mail_file MAIL_FILE=/tmp/mail_file sed -i '1d;$d' ${MAIL_FILE} sed -i "1s/^/To: ${MAILTO}\n/" ${MAIL_FILE} if [[ -z ${SWARM_SERVICE} ]]; then sed -i "2s/^/Subject: SQL Dump - HOST: ${MYSQL_HOST}\n/" ${MAIL_FILE} else sed -i "2s/^/Subject: SQL Dump - HOST: ${MYSQL_HOST} - SERVICE: ${SWARM_SERVICE}\n/" ${MAIL_FILE} fi sed -i "3s/^/*** Backup completed (Success? ${BACKUP_SUCCESS})\n/" ${MAIL_FILE} sed -i "4s/^/***\n/" ${MAIL_FILE} sed -i "5s/^/-----------DETAILED REPORT-----------\n/" ${MAIL_FILE} cat ${MAIL_FILE} | ${CMD_MAIL} -C ${MSMTPRC} -a ${MSMTP_ACCOUNT_NAME} "${MAILTO}" rm -f ${MAIL_FILE} } if [[ ${CRON_SCHEDULE} != '0' ]]; then if [[ "${DOCKER}" == 'NO' ]]; then echo "[ERROR] CRON scheduling can be used only with the docker image: ioagel/mysql-backup" exit 255 fi execute_backup sed -n '5,$p' "$LOGFILE" if [[ ! -z "${MAILTO}" && -f "${MSMTPRC}" ]]; then send_mail fi exit 0 fi if [[ "$SLEEP_SCHEDULE" == '0' ]]; then execute_backup if [[ "${DOCKER}" == 'YES' ]]; then echo "Override SLEEP_SCHEDULE environment variable if you want to run non-stop as a daemon" >> ${LOGFILE} fi sed -n '5,$p' "$LOGFILE" elif [[ "$SLEEP_SCHEDULE" =~ $sleep_linux_regex ]]; then [[ $(uname -s) != 'Linux' ]] && [[ ! "$SLEEP_SCHEDULE" =~ $sleep_unix_regex ]] && backup_interval_format_error while true; do execute_backup sed -n '5,$p' "$LOGFILE" if [[ ! -z "${MAILTO}" && -f "${MSMTPRC}" ]]; then send_mail fi sleep "$SLEEP_SCHEDULE" & wait $! done -
Jan 28, 2019 . 1 changed file with 4 additions and 2 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -121,6 +121,8 @@ ENC=${ENC:-NO} # Mount in container or use secrets with swarm. # Secrets are mounted by default under: /run/secrets dir. CERT_LOC=${CERT_LOC:-/run/secrets/mysql_backup_cert} # Cipher CIPHER=${CIPHER:--aes-256-cbc} # Takes a NUMBER for time in seconds or # for LINUX ONLY: NUMBER[s|m|h|d] for seconds, minutes, hours and days respectively. @@ -273,7 +275,7 @@ backup_db() ${CON_SETTINGS} \ ${MYSQL_OPTIONS} \ "$db" 2>&1 | grep -v "${SUPPRESS_MYSQL_ERROR}" | ${CMD_COMPRESS} | \ openssl smime -encrypt -binary ${CIPHER} -out "$output_sql"."$suffix".enc -outform DER "$CERT_LOC" >> ${LOGFILE} if [[ "${PIPESTATUS[0]}" != '0' ]]; then echo "[ERROR] MYSQL_OPTIONS environment variable value: '${MYSQL_OPTIONS}' is INVALID!" @@ -372,4 +374,4 @@ else backup_interval_format_error fi exit 0 -
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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,375 @@ #!/usr/bin/env bash # Author: Ioannis Angelakopoulos <[email protected]> # Date: 18/01/2019 ########################### # REQUIREMENTS ########################### # # * Required commands: # + mysqldump # + mysql # + bzip2 or gzip or xz # if COMPRESS=YES and/or ENC=YES # + openssl # if ENC=YES # ########################### # USAGE ########################### # * Set correct values for below variables: # # MYSQL_HOST REQUIRED # MYSQL_PASSWD[_FILE] REQUIRED (supports docker SECRETS) # BACKUP_ROOTDIR default = /backup (if using the script in a docker container do not change this) # MYSQL_PORT default = 3306 # MYSQL_PROTO default = TCP # MYSQL_USER default = root # MYSQL_OPTIONS default = --single-transaction # DATABASES default = all (or 'db1 db2 db3' multiple databases separated by SPACES) # COMPRESS default = YES # CMD_COMPRESS default = bzip2 -9 # # SLEEP_SCHEDULE default = 0 (run once and exit) if you want to use SLEEP, supports docker and as standalone script # OR # CRON_SCHEDULE default = 0 (run once and exit) if you want to use CRON in DOCKER image: ioagel/mysql-backup:[alpine|5|8] # # ENC default = NO # CERT_LOC default = /run/secrets/mysql_backup_cert # # # Backup script suitable to run as a command in a mysql docker container # to backup databases running in mysql/mariadb servers, containerized or not. # It is optimized for docker that's why ENV vars are preferred # instead of commandline args. # SUPPORTS Encryption of backups: just use ENV=YES and mount the certificate to default or other dir inside the container # # To use it check: # - DockerHub https://cloud.docker.com/repository/docker/ioagel/mysql-backup # - Github https://github.com/ioagel/mysql-backup # - Gist for encryption HOWTO: https://gist.github.com/ioagel/2432fabb8b128f0ea16cb0408310d050 # EXAMPLES: # # run once and exit - mysql-prod is the container running the db we want to backup # $ docker run --rm --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod ioagel/mysql-backup # # Use SLEEP # run as a daemon and backup every 1 hour # $ docker run -d --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod -e SLEEP_SCHEDULE=3600 -v db_backups:/backup ioagel/mysql-backup # or backup every 3h (10800 seconds) # $ docker run -d --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod -e SLEEP_SCHEDULE=10800 -v db_backups:/backup ioagel/mysql-backup # or backup every 3h (only supported in LINUX) # $ docker run -d --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod -e SLEEP_SCHEDULE=3h -v db_backups:/backup ioagel/mysql-backup # # OR # # Use CRON (only with docker image: ioagel/mysql-backup) # run as a daemon and backup every 1 hour # $ docker run -d --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod -e CRON_SCHEDULE='0 * * * *' -v db_backups:/backup ioagel/mysql-backup # or backup once every day at 12:00am # $ docker run -d --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod -e CRON_SCHEDULE='0 0 * * *' -v db_backups:/backup ioagel/mysql-backup # # Encryption # $ docker run --rm --link mysql-prod -e MYSQL_PASSWD=password -e MYSQL_HOST=mysql-prod -e ENC=YES -v $PWD/cert.pem:/run/secrets/mysql_backup_cert -v db_backups:/backup ioagel/mysql-backup # # backup remote docker container or standalone mysql/mariadb server # $ docker run --rm -e MYSQL_HOST=mysql.example.org -e MYSQL_PASSWD=password -v db_backups:/backup ioagel/mysql-backup # # run as a standalone script # $ MYSQL_PASSWD=password MYSQL_HOST=mysql.example.org bash mysql_backup.sh ######################################################### # Modify below variables to fit your need ---- ######################################################### # Where to store backup copies. BACKUP_ROOTDIR=${BACKUP_ROOTDIR:-/backup} # for docker, mount a volume here # Required MYSQL_HOST=${MYSQL_HOST} # This MYSQL_PASSWD=${MYSQL_PASSWD} # OR MYSQL_PASSWD_FILE=${MYSQL_PASSWD_FILE} MYSQL_PORT=${MYSQL_PORT:-3306} MYSQL_PROTO=${MYSQL_PROTO:-TCP} # either TCP or SOCKET MYSQL_USER=${MYSQL_USER:-root} # You can override it and provide any option you need MYSQL_OPTIONS=${MYSQL_OPTIONS:---single-transaction} # Databases we should backup. # Multiple databases MUST be separated by SPACE. # eg. 'db1 db2 db3' DATABASES=${DATABASES:---all-databases} if [[ ${DATABASES} == 'all' ]]; then DATABASES='--all-databases' fi # Compress plain SQL file: YES, NO. # If Encryption is chosen then this var is not considered, the file will be compressed and encrypted! COMPRESS=${COMPRESS:-YES} # Compression program: bzip2, gzip, xz CMD_COMPRESS=${CMD_COMPRESS:-bzip2 -9} # Encryption: YES or NO ENC=${ENC:-NO} # x509 certificate file in pem format # Mount in container or use secrets with swarm. # Secrets are mounted by default under: /run/secrets dir. CERT_LOC=${CERT_LOC:-/run/secrets/mysql_backup_cert} # Takes a NUMBER for time in seconds or # for LINUX ONLY: NUMBER[s|m|h|d] for seconds, minutes, hours and days respectively. # Default value is 0 which means run once and exit. SLEEP_SCHEDULE=${SLEEP_SCHEDULE:-0} # OR # Use Cron schedule like: '0 0 * * *' backup every day at 12am CRON_SCHEDULE=${CRON_SCHEDULE:-0} ######################################################### # You do *NOT* need to modify below lines. ######################################################### PATH='/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/sbin' # Commands. CMD_DATE='/bin/date' CMD_DU='du -sh' CMD_MYSQLDUMP='mysqldump' CMD_MYSQL='mysql' # if we run inside docker DOCKER=${DOCKER:-NO} # declare some vars we will use later LOGFILE= TIMESTAMP= BACKUP_DIR= # handle docker stop signal properly cleanup() { echo "Shutting down ..." kill -s SIGTERM $! exit 0 } trap cleanup SIGINT SIGTERM # thanks to mysql official image for the following func # usage: file_env VAR [DEFAULT] # ie: file_env 'XYZ_DB_PASSWORD' 'example' # (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of # "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature) file_env() { local var="$1" local fileVar="${var}_FILE" local def="${2:-}" if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then echo >&2 "error: both $var and $fileVar are set (but are exclusive)" exit 1 fi local val="$def" if [ "${!var:-}" ]; then val="${!var}" elif [ "${!fileVar:-}" ]; then val="$(< "${!fileVar}")" fi export "$var"="$val" unset "$fileVar" } # Verify MYSQL_HOST is set if [[ -z "$MYSQL_HOST" ]]; then echo "[ERROR] Environment variable MYSQL_HOST is required." 1>&2 exit 255 fi file_env 'MYSQL_PASSWD' # Verify MYSQL_HOST is set if [[ -z "$MYSQL_PASSWD" ]]; then echo "[ERROR] Environment variable MYSQL_PASSWD is required." 1>&2 exit 255 fi # Verify compress program is either bzip2 or gzip or xz if [[ ! "$CMD_COMPRESS" =~ ^bzip2.*|^gzip.*|^xz.* ]]; then echo "[ERROR] Environment variable CMD_COMPRESS can either be 'bzip2', 'gzip' or 'xz' with/without options like 'bzip2 -9'." 1>&2 exit 255 fi # VERIFY ENC is either YES or NO if [[ ! "$ENC" =~ ^YES$|^NO$ ]]; then echo "[ERROR] Environment variable ENC can be either YES or NO." 1>&2 exit 255 fi # Verify openssl program is available if we are encrypting if [[ "$ENC" == "YES" ]]; then if [[ ! "$(openssl version 2>/dev/null)" ]]; then echo "[ERROR] For Encryption 'openssl' program is required." 1>&2 exit 255 fi if [[ ! -f "$CERT_LOC" ]]; then echo "[ERROR] For encryption you need to mount the certificate in: $CERT_LOC" 1>&2 echo "[ERROR] or your own location using the Environment variable CERT_LOC." 1>&2 exit 255 fi fi # Use this var to filter this warning from the logs. SUPPRESS_MYSQL_ERROR="Using a password on the command line interface can be insecure." CON_SETTINGS="-u $MYSQL_USER --password=$MYSQL_PASSWD --host=$MYSQL_HOST --port=$MYSQL_PORT --protocol=$MYSQL_PROTO" # Verify MySQL connection. ${CMD_MYSQL} ${CON_SETTINGS} -e "show databases" >/dev/null 2>&1 if [[ "$?" != '0' ]]; then echo "[ERROR] MySQL username or password or host or protocol is incorrect in file ${0}." 1>&2 echo "Please fix them first." 1>&2 exit 255 fi backup_db() { db="${1}" if [[ "$db" == '--all-databases' ]]; then output_sql="${BACKUP_DIR}/all-${TIMESTAMP}.sql" else output_sql="${BACKUP_DIR}/${db}-${TIMESTAMP}.sql" # Check whether database exists or not ${CMD_MYSQL} ${CON_SETTINGS} -e "use ${db}" 2>&1 | grep -v "${SUPPRESS_MYSQL_ERROR}" >> ${LOGFILE} [[ "${PIPESTATUS[0]}" != '0' ]] && return 1 fi if [[ "$ENC" == 'NO' ]]; then ${CMD_MYSQLDUMP} \ ${CON_SETTINGS} \ ${MYSQL_OPTIONS} \ "$db" > "$output_sql" 2>&1 | grep -v "${SUPPRESS_MYSQL_ERROR}" >> ${LOGFILE} if [[ "${PIPESTATUS[0]}" != '0' ]]; then echo "[ERROR] MYSQL_OPTIONS environment variable value: '${MYSQL_OPTIONS}' is INVALID!" rm -f "$output_sql" return 1 fi # Compress if [[ "${COMPRESS}" == 'YES' ]]; then ${CMD_COMPRESS} "${output_sql}" >> ${LOGFILE} fi else # we are encrypting if [[ "$CMD_COMPRESS" =~ ^bzip2.* ]]; then suffix='bz2' elif [[ "$CMD_COMPRESS" =~ ^gzip.* ]]; then suffix='gz' else suffix='xz' fi ${CMD_MYSQLDUMP} \ ${CON_SETTINGS} \ ${MYSQL_OPTIONS} \ "$db" 2>&1 | grep -v "${SUPPRESS_MYSQL_ERROR}" | ${CMD_COMPRESS} | \ openssl smime -encrypt -binary -aes-256-cbc -out "$output_sql"."$suffix".enc -outform DER "$CERT_LOC" >> ${LOGFILE} if [[ "${PIPESTATUS[0]}" != '0' ]]; then echo "[ERROR] MYSQL_OPTIONS environment variable value: '${MYSQL_OPTIONS}' is INVALID!" rm -f "$output_sql"."$suffix".enc return 1 fi fi } # Pre-defined backup status BACKUP_SUCCESS='YES' execute_backup() { # Date. YEAR="$(${CMD_DATE} +%Y)" MONTH="$(${CMD_DATE} +%m)" DAY="$(${CMD_DATE} +%d)" TIME="$(${CMD_DATE} +%H.%M.%S)" TIMESTAMP="${YEAR}.${MONTH}.${DAY}.${TIME}" # Define, check, create directories. BACKUP_DIR="${BACKUP_ROOTDIR}/${MYSQL_HOST}/${YEAR}/${MONTH}/${DAY}" # Log file LOGFILE="${BACKUP_DIR}/${TIMESTAMP}.log" # Check and create directories. [[ ! -d "${BACKUP_DIR}" ]] && mkdir -p "${BACKUP_DIR}" 2>/dev/null # Initialize log file. echo "=============================================================================" > "${LOGFILE}" { echo "* Starting backup: ${TIMESTAMP}."; echo "* Backup directory: ${BACKUP_DIR}."; } >> "${LOGFILE}" # Backup. echo "* Backing up databases ..." >> "${LOGFILE}" sed -n 1,4p "${LOGFILE}" for db in ${DATABASES}; do backup_db "${db}" >> "${LOGFILE}" if [[ "$?" == '0' ]]; then if [[ "$db" == '--all-databases' ]]; then echo " - ALL [DONE]" >> "${LOGFILE}" else echo " - ${db} [DONE]" >> "${LOGFILE}" fi else BACKUP_SUCCESS='NO' fi done # Append file size of backup files. # if [[ "$BACKUP_SUCCESS" == 'YES' ]]; then { echo -e "* File size:\n----"; ${CMD_DU} "${BACKUP_DIR}"/*"${TIMESTAMP}"*sql*; echo "----"; } >> "${LOGFILE}" # fi echo "* Backup completed (Success? ${BACKUP_SUCCESS})." >> "${LOGFILE}" } if [[ ${CRON_SCHEDULE} != '0' ]]; then if [[ "${DOCKER}" == 'NO' ]]; then echo "[ERROR] CRON scheduling can be used only with the docker image: ioagel/mysql-backup" exit 255 fi execute_backup sed -n '5,$p' "$LOGFILE" exit 0 fi # From here and down the script is adapted to be used as a standalone using SLEEP # and not CRON jobs, as it is suitable for docker usage! regex='^[0-9]+[s|m|h|d]{0,1}$' regex_unix='^[0-9]+$' backup_interval_format_error() { echo "[ERROR] SLEEP_SCHEDULE supports 0 for running the script once and exit (the default value)" 1>&2 echo "[ERROR] or a NUMBER for time in seconds or for LINUX ONLY: NUMBER[s|m|h|d] for seconds, minutes, hours and days respectively." 1>&2 exit 255 } if [[ "$SLEEP_SCHEDULE" == '0' ]]; then execute_backup if [[ "${DOCKER}" == 'YES' ]]; then echo "Override SLEEP_SCHEDULE environment variable if you want to run non-stop as a daemon" >> ${LOGFILE} fi sed -n '5,$p' "$LOGFILE" elif [[ "$SLEEP_SCHEDULE" =~ $regex ]]; then [[ $(uname -s) != 'Linux' ]] && [[ ! "$SLEEP_SCHEDULE" =~ $regex_unix ]] && backup_interval_format_error while true; do execute_backup sed -n '5,$p' "$LOGFILE" sleep "$SLEEP_SCHEDULE" & wait $! done else backup_interval_format_error fi exit 0