86 lines
3.3 KiB
Bash
86 lines
3.3 KiB
Bash
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#!/bin/bash
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###################################################################################
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# Nextcloud Backups as incremental mode, using rdiff-backup
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#
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# 1. Backup database and send to remote backups server throught rsync using
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# ssh public/private key configuration.
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# 2. Set X days to preserve db backups
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# 3. Backup data folder of nextcloud using rdiff-backup (https://rdiff-backup.net/)
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# 4. Set X days to preserve rdiff-backups increments
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# 5. Get report statistics of rdiff-backup and send push message throught gotify
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# self-hosted server (https://gotify.net/).
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#
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# Tools needed: mysqldump, gzip. rsync, rdiff-backup, curl
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###################################################################################
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PATH=$PATH:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
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# variables push notifications
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readonly GOTIFY_TOKEN="ABlynaRwExiItgY"
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readonly GOTIFY_HOST="https://push.studi7.com"
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readonly GOTIFY_PRIORITY=5
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# backup db variables
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readonly BACKUP_DB_FILE="nextcloud-sqlbkp-"`date +\%Y\%m\%d`".sql"
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readonly DB_HOST="localhost"
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readonly DB_USER="nextcloud"
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readonly DB_PASS="3mZlNTeS"
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readonly DB_NAME="nextcloud"
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# backup data variables
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readonly NEXTCLOUD_DATA="/mnt/md0/nextcloud/data"
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readonly INCLUDE_LIST="include-list"
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# remote settings
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readonly REMOTE_SERVER="backups.studi7.com"
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readonly REMOTE_PATH="/home/debian/backups/studi7/nextcloud"
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readonly REMOTE_NC_DATA_FOLDER="files"
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readonly REMOTE_NC_DB_FOLDER="db"
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readonly BACKUP_PRESERVE_DAYS=60
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# create include list file and set exclude logs
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touch $INCLUDE_LIST
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cat > $INCLUDE_LIST <<EOF
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- **nextcloud.log
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- **nextcloud.log*
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- **updater.log
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EOF
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# init notification message
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MESSAGE="Backup task init: **"`date +"%d/%m/%Y %H:%M:%S"`"** \r"
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# dump and backup db nextcloud handycat and rsync deleting origin
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mysqldump --single-transaction --verbose -h $DB_HOST -u $DB_USER -p$DB_PASS $DB_NAME > $BACKUP_DB_FILE
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gzip $BACKUP_DB_FILE
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# TODO
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# force create multiple paths (mkdir -p) if not exist with rsync trick
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# https://www.schwertly.com/2013/07/forcing-rsync-to-create-a-remote-path-using-rsync-path/
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rsync -AaxzPh --remove-source-files "$BACKUP_DB_FILE.gz" "$REMOTE_SERVER:$REMOTE_PATH/$REMOTE_NC_DB_FOLDER"
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# clear X days old remote db backups
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ssh $REMOTE_SERVER 'bash -s' << EOF
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find "$REMOTE_PATH/$REMOTE_NC_DB_FOLDER" -maxdepth 1 -mtime +$BACKUP_PRESERVE_DAYS -print -exec "rm" -R {} \;
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EOF
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# rdiff-backup all data of nextcloud
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OUT=$(rdiff-backup backup --print-statistics --include-globbing-filelist $INCLUDE_LIST $NEXTCLOUD_DATA \
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"$REMOTE_SERVER::$REMOTE_PATH/$REMOTE_NC_DATA_FOLDER")
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# set output lines into array and append notification message
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readarray -t stats <<<"$OUT"
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for val in "${stats[@]}"; do
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line=$(echo $val | tr -d '-')
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MESSAGE="${MESSAGE} $line \r"
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done
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# clear X days old increments of backup data
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rdiff-backup remove increments --older-than "${BACKUP_PRESERVE_DAYS}D" \
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"$REMOTE_SERVER::$REMOTE_PATH/$REMOTE_NC_DATA_FOLDER"
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MESSAGE="${MESSAGE} Backup task end: **"`date +"%d/%m/%Y %H:%M:%S"`"** \r"
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rm $INCLUDE_LIST
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# send gotify notification
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TITLE="NC $(hostname) Backup"
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EXTRAS="{\"client::display\": {\"contentType\": \"text/markdown\"}}"
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curl -X POST "$GOTIFY_HOST/message?token=$GOTIFY_TOKEN" -H "accept: application/json" -H "Content-Type: application/json" \
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-d "{ \"message\": \"${MESSAGE}\", \"priority\": ${GOTIFY_PRIORITY}, \"title\": \"${TITLE}\", \"extras\": ${EXTRAS} }"
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