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#902 basic RaspiBlitz rescue script
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rootzoll
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187
home.admin/config.scripts/blitz.rescue.sh
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187
home.admin/config.scripts/blitz.rescue.sh
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#!/bin/bash
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# TODO: check if services/apps are running and stop all ... or let thet to outside?
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# TODO: check if old data ... or let this to outside?
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if [ $# -eq 0 ] || [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
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echo "# managing the RaspiBlitz data - import, export, backup."
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echo "# blitz.rescue.sh [status|export|import]"
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echo "ERROR='missing parameters'"
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exit 1
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fi
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# check if started with sudo
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if [ "$EUID" -ne 0 ]; then
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echo "ERROR='missing sudo'"
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exit 1
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fi
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# check if data drive is mounted - other wise cannot operate
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isMounted=$(sudo df | grep -c /mnt/hdd)
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if [ ${isMounted} -eq 0 ]; then
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echo "# FAIL check why /mnt/hdd is not available/mounted"
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echo "error='datadrive not found'"
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exit 1
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fi
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###################
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# STATUS
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###################
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# gathering system info
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isBTRFS=$(lsblk -o FSTYPE,MOUNTPOINT | grep /mnt/hdd | awk '$1=$1' | cut -d " " -f 1 | grep -c btrfs)
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# set place where zipped TAR file gets stored
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defaultZipPath="/mnt/hdd"
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if [ ${isBTRFS} -gt 0 ]; then
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# on BTRFS setups, use the blockchain drive
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defaultZipPath="/mnt/temp"
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fi
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# SCP download and upload links
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localip=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
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scpDownload="scp -r 'admin@${localip}:${defaultZipPath}/raspiblitz-*.tar.gz' ./"
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scpUpload="scp -r './raspiblitz-*.tar.gz' admin@${localip}:${defaultZipPath}"
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# output status data & exit
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if [ "$1" = "status" ]; then
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echo "# RASPIBLITZ Data Import & Export"
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echo "isBTRFS=${isBTRFS}"
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echo "scpDownload='${scpDownload}'"
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echo "scpUpload='${scpUpload}'"
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exit 1
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fi
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#########################
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# EXPORT RaspiBlitz Data
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#########################
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if [ "$1" = "export" ]; then
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echo "# RASPIBLITZ DATA --> EXPORT"
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# collect files to exclude in export in temp file
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echo "*.tar.gz" > ~/.exclude.temp
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echo "/mnt/hdd/bitcoin" >> ~/.exclude.temp
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echo "/mnt/hdd/litecoin" >> ~/.exclude.temp
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echo "/mnt/hdd/swapfile" >> ~/.exclude.temp
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echo "/mnt/hdd/temp" >> ~/.exclude.temp
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echo "/mnt/hdd/snapshots" >> ~/.exclude.temp
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# clean old backups from temp
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rm /hdd/temp/raspiblitz-*.tar.gz 2>/dev/null
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# get date stamp
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datestamp=$(date "+%y-%m-%d-%H-%M")
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echo "# datestamp=${datestamp}"
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# get name of RaspiBlitz from config (optional if exists)
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blitzname="-"
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source /mnt/hdd/raspiblitz.conf 2>/dev/null
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if [ ${#hostname} -gt 0 ]; then
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blitzname=$(echo "${hostname}" | sed 's/[^0-9a-z]*//g')
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blitzname=$(echo "-${blitzname}-")
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fi
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echo "# blitzname=${blitzname}"
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# zip it
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echo "# Building the Export File (this can take some time) .."
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sudo tar -zcvf ${defaultZipPath}/raspiblitz-export-temp.tar.gz -X ~/.exclude.temp /mnt/hdd 1>~/.include.temp
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# get md5 checksum
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echo "# Building checksum (can take also a while) ..."
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md5checksum=$(md5sum ${defaultZipPath}/raspiblitz-export-temp.tar.gz | head -n1 | cut -d " " -f1)
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echo "# md5checksum=${md5checksum}"
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# final renaming
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name="raspiblitz${blitzname}${datestamp}-${md5checksum}.tar.gz"
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echo "exportpath='${defaultZipPath}'"
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echo "filename='${name}'"
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sudo ${defaultZipPath}/raspiblitz-export-temp.tar.gz
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mv ${defaultZipPath}/raspiblitz-export-temp.tar.gz ${defaultZipPath}/${name}
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# delete temp files
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rm ~/.exclude.temp
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rm ~/.include.temp
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echo "scpDownload='${scpDownload}'"
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echo "# OK - Export done"
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exit 0
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fi
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#########################
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# IMPORT RaspiBlitz Data
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#########################
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if [ "$1" = "import" ]; then
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# check second parameter for path and/or filename of import
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importFile="${defaultZipPath}/raspiblitz-*.tar.gz"
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if [ ${#2} -gt 0 ]; then
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# check if and/or filename of import
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containsPath=$(echo $2 | grep -c '/')
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if [ ${containsPath} -gt 0 ]; then
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startsOnPath=$(echo $2 | grep -c '^/')
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if [ ${startsOnPath} -eq 0 ]; then
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echo "# needs to be an absolut path: ${2}"
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echo "error='invalid path'"
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exit 1
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else
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if [ -d "$2" ]; then
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echo "# using path from parameter to search for import"
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endsOnPath=$(echo $2 | grep -c '/$')
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if [ ${endsOnPath} -eq 1 ]; then
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importFile="${2}raspiblitz-*.tar.gz"
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else
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importFile="${2}/raspiblitz-*.tar.gz"
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fi
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else
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echo "# using path+file from parameter for import"
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importFile=$2
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fi
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fi
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else
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# is just filename - to use with default path
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echo "# using file from parameter for import"
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importFile="${defaultZipPath}/${2}"
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fi
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fi
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# checking if file exists and unique
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echo "# checking for file with: ${importFile}"
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countZips=$(sudo ls ${importFile} 2>/dev/null | grep -c '.tar.gz')
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if [ ${countZips} -eq 0 ]; then
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echo "# can just find file when ends on .tar.gz and exists"
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echo "scpUpload='${scpUpload}'"
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echo "error='file not found'"
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exit 1
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elif [ ${countZips} -eq 1 ]; then
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importFile=$(sudo ls ${importFile})
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else
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echo "# Multiple files found. Not sure which to use."
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echo "# Please use absolut-path+file as second parameter."
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echo "error='file not unique'"
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exit 1
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fi
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echo "importFile='${importFile}'"
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echo "# Validating Checksum (can take some time) .."
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md5checksum=$(md5sum ${importFile} | head -n1 | cut -d " " -f1)
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isCorrect=$(echo ${importFile} | grep -c ${md5checksum})
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if [ ${isCorrect} -eq 1 ]; then
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echo "# OK -> checksum looks good: ${md5checksum}"
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else
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echo "# FAIL -> Checksum not correct: ${md5checksum}"
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echo "# Maybe transfere/upload failed?"
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echo "error='bad checksum'"
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exit 1
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fi
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echo "# Importing (overwrite) (can take some time) .."
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sudo tar -xf ${importFile} -C /
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exit 0
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fi
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echo "error='unkown command'"
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exit 1
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