Add healthchecks
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@ -2,7 +2,7 @@
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## author : Dryusdan
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## date : 15/02/2020
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## description : A MySQL dumper
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## usage : ./mysqlbackup.sh /BASE/BACKUP/FOLDER RETENTION USERNAME PASSWORD HOST
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## usage : ./mysqlbackup.sh /BASE/BACKUP/FOLDER RETENTION USERNAME PASSWORD HOST HEALTCHECK_UUID
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## Bash strict mode ####################################
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set -o errexit # abort on nonzero exitstatus
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@ -10,30 +10,12 @@ set -o pipefail # don't hide errors within pipes
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#set -o nounset # abort on unbound variable
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## Bash color ##########################################
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# Set colors
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RED='\033[0;31m'
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GREEN='\033[00;32m'
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YELLOW='\033[00;33m'
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BLUE='\033[00;34m'
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PURPLE='\033[00;35m'
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CYAN='\033[00;36m'
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LIGHTGRAY='\033[00;37m'
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LRED='\033[01;31m'
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LGREEN='\033[01;32m'
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LYELLOW='\033[01;33m'
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LBLUE='\033[01;34m'
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LPURPLE='\033[01;35m'
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LCYAN='\033[01;36m'
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WHITE='\033[01;37m'
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NC='\033[0m' # No Color
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## Logs ################################################
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readonly SCRIPTNAME="$(basename "$0")"
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info() { echo -e "${LBLUE}[INFO] $* ${NC}" | logger --tag "${SCRIPTNAME}" --stderr ; }
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warning() { echo -e "${YELLOW}[WARNING] $* ${NC}" | logger --tag "${SCRIPTNAME}" --stderr ; }
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error() { echo -e "${LRED}[ERROR] $* ${NC}" | logger --tag "${SCRIPTNAME}" --stderr ; }
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fatal() { echo -e "${RED}[FATAL] $* ${NC}" | logger --tag "${SCRIPTNAME}" --stderr ; exit 1 ; }
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info() { echo -e "[INFO] $* " | logger --tag "${SCRIPTNAME}" ; }
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warning() { echo -e "[WARNING] $* " | logger --tag "${SCRIPTNAME}" ; }
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error() { echo -e "[ERROR] $* " | logger --tag "${SCRIPTNAME}" ; }
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fatal() { echo -e "[FATAL] $* " | logger --tag "${SCRIPTNAME}" ; exit 1 ; }
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########################################################
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## Define variables ###################################
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@ -91,44 +73,54 @@ else
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PORT=${6}
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fi
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if [ -z "${7}" ];
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then
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HC=false
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else
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HC=true
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HC_UUID="${7}"
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fi
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## Run dump ######################################
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info "Create backup folder"
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mkdir -p ${FOLDER}/{databases,schemas,datas,extras}/
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info "Dumping databases"
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for dbname in $(mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "show databases" | grep -v "information_schema" | grep -v "mysql" | grep -v "performance_schema")
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curl --silent --retry 3 "https://cron.dryusdan.net/ping/${HC_UUID}/start" > /dev/null
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for dbname in $(/usr/bin/mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "show databases" | grep -v "information_schema" | grep -v "mysql" | grep -v "performance_schema")
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do
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info "Dumping ${dbname}"
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mkdir -p ${FOLDER}/{schemas,datas}/${dbname}
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info "Dumping ${dbname} schema"
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mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data ${dbname} | gzip > ${FOLDER}/databases/${dbname}.sql.gz
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/usr/bin/mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data ${dbname} | gzip > ${FOLDER}/databases/${dbname}.sql.gz
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info "Dumping events, routines, triggers of ${dbname}"
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mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data --no-create-info --routines --triggers --events ${dbname} | gzip > ${FOLDER}/extras/${dbname}.sql.gz
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/usr/bin/mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data --no-create-info --routines --triggers --events ${dbname} | gzip > ${FOLDER}/extras/${dbname}.sql.gz
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info "Know engine of database"
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## If all tables use InnoDB engine, we use --single-transaction
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## Also, if one or more table use MyISAM engine, we need lock all tables
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if mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "select engine from information_schema.tables where table_schema = '${dbname}'" | grep "MyISAM" -q;
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if /usr/bin/mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "select engine from information_schema.tables where table_schema = '${dbname}'" | grep "MyISAM" -q;
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then
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warning "${dbname} have a table who using MyISAM engine."
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info "Dumping with lock"
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for tablename in $(mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "show tables" ${dbname})
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for tablename in $(/usr/bin/mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "show tables" ${dbname})
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do
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info "Dumping ${tablename}'s schema of ${dbname}"
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mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data --add-locks --add-drop-table ${dbname} ${tablename} | sed 's/ AUTO_INCREMENT=[0-9]*\b//g' | gzip > ${FOLDER}/schemas/${dbname}/${tablename}.sql.gz
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/usr/bin/mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data --add-locks --add-drop-table ${dbname} ${tablename} | sed 's/ AUTO_INCREMENT=[0-9]*\b//g' | gzip > ${FOLDER}/schemas/${dbname}/${tablename}.sql.gz
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info "Dumping ${tablename}'s data of ${dbname}"
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mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-create-info --add-locks --extended-insert=FALSE ${dbname} ${tablename} | gzip > ${FOLDER}/datas/${dbname}/${tablename}.sql.gz
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/usr/bin/mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-create-info --add-locks --extended-insert=FALSE ${dbname} ${tablename} | gzip > ${FOLDER}/datas/${dbname}/${tablename}.sql.gz
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done
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else
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info "Dumping with single transaction"
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for tablename in $(mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "show tables" ${dbname})
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for tablename in $(/usr/bin/mysql --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} -N -e "show tables" ${dbname})
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do
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info "Dumping ${tablename}'s schema of ${dbname}"
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mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data --skip-lock-tables --add-drop-table ${dbname} ${tablename} | sed 's/ AUTO_INCREMENT=[0-9]*\b//g' | gzip > ${FOLDER}/schemas/${dbname}/${tablename}.sql.gz
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/usr/bin/mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-data --skip-lock-tables --add-drop-table ${dbname} ${tablename} | sed 's/ AUTO_INCREMENT=[0-9]*\b//g' | gzip > ${FOLDER}/schemas/${dbname}/${tablename}.sql.gz
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info "Dumping ${tablename}'s data of ${dbname}"
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mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-create-info --skip-lock-tables --single-transaction --extended-insert=FALSE ${dbname} ${tablename} | gzip > ${FOLDER}/datas/${dbname}/${tablename}.sql.gz
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/usr/bin/mysqldump --user=${USERNAME} --password=${PASSWORD} --host=${HOST} --port=${PORT} --no-create-info --skip-lock-tables --single-transaction --extended-insert=FALSE ${dbname} ${tablename} | gzip > ${FOLDER}/datas/${dbname}/${tablename}.sql.gz
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done
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fi
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done
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info "Backup is done"
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curl --silent --retry 3 "https://cron.dryusdan.net/ping/${HC_UUID}/" > /dev/null
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info "Removing old backup"
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find ${FOLDER_WITHOUT_DATE} -mtime +${RETENTION} -exec rm -rf {} \;
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info "Removing done"
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info "Removing done"
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