60 lines
2.3 KiB
Bash
60 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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# check script curently running and exit or continue
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me="$(basename "$0")";
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result=$(ps aux | grep -i "$me" | grep -v "grep" | wc -l)
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echo "running: $result"
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if [ "$result" -gt 2 ]
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then
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exit
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fi
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# declarations
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DIR_VOLUMES=/mnt/NASbarracuda1TB/keese/seafile-arm/volumes # path to seafile docker volumes dir
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DIR_BACKUP=/mnt/NASbarracuda1TB/backup/keese/seafile # where to store the backup
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# mysql credentials to access databases inside seafile-mysql docker
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MYSQL_USER=root
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MYSQL_PASSWORD='BV$9V#5Bq!enW&ez'
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# specify seafile-mysql docker name and temporary backup location inside the docker
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DOCKER_SEAFILE_MYSQL=seafile-mysql
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#------------------------------------------------------------
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# warning: only change below if you know what you are doing!
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# build dependend dir paths
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DIR_BACKUP_DB=${DIR_BACKUP}/db
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TIMESTAMP=$(date +"%Y-%m-%d-%H-%M-%S")
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DOCKER_BACKUP_DIR=/home/backup
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DOCKER_BACKUP_DIR_TIMESTAMP="${DOCKER_BACKUP_DIR}/${TIMESTAMP}"
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DIR_BACKUP_LOGS=${DIR_BACKUP}/logs
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LOGFILE_STATUS="${TIMESTAMP}_rsync_status.log"
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LOGFILE_PATH="${DIR_BACKUP_LOGS}/${LOGFILE_STATUS}"
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# create dirs that are not created automatically
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mkdir -p ${DIR_BACKUP_LOGS} ${DIR_BACKUP_DB}
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# 1) backup seafile databases
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docker exec -i ${DOCKER_SEAFILE_MYSQL} sh -c "mkdir -p ${DOCKER_BACKUP_DIR_TIMESTAMP}" # create remporary backup dir inside docker
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IFS=$'\n\r' # set the IFS to a newline character, so that a whole line can be assigned to an array element
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DATABASES=( $(docker exec -i ${DOCKER_SEAFILE_MYSQL} sh -c "mysql -e 'show databases' -s --skip-column-names -u ${MYSQL_USER} -p'${MYSQL_PASSWORD}'") ) # parse database names into array
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# loop databases and dump tables to sql files inside temporary docker backup folder
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for i in "${DATABASES[@]:1}"
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do
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:
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docker exec -i ${DOCKER_SEAFILE_MYSQL} sh -c "mysqldump --single-transaction -h localhost -u ${MYSQL_USER} -p'${MYSQL_PASSWORD}' --opt ${i} > ${DOCKER_BACKUP_DIR_TIMESTAMP}/${i}.sql"
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done
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# 2) copy backup database files to host and cleanup
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docker cp ${DOCKER_SEAFILE_MYSQL}:${DOCKER_BACKUP_DIR_TIMESTAMP} ${DIR_BACKUP_DB}
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docker exec -i ${DOCKER_SEAFILE_MYSQL} sh -c "rm -r ${DOCKER_BACKUP_DIR}"
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# 3) backup seafile docker volumes folder
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rsync -azh --log-file "${LOGFILE_PATH}" ${DIR_VOLUMES} ${DIR_BACKUP}
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echo "backup ${TIMESTAMP} done"
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