borg in pull mode
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borg_pull.sh
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187
borg_pull.sh
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#!/bin/bash
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# This script requires SSHFS and Borg.
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# It backs up data from a remote location to a local repository.
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# =============
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# CONFIGURATION
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# =============
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# Hostname, domain name, or IP address of the machine where the data to be backed up resides.
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DATA_HOST="5ccppi"
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# White-space-delimited list of absolute paths of directories on the remote machine to be backed up.
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DATA_PATHS=( "/home/ccppi" "/var/lib" "/etc" )
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PRENAMEARCHIVE="linode"
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# Absolute local path where the remote system will be temporarily mounted locally.
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# The directory will be created. Pick someplace to which you have write access.
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SSHFS_MOUNTPOINT="/tmp/sshfs-tmp-borg_pull"
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# The username for the account on the remote machine as which we’ll be loggin in via SSH.
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SSHFS_USER="user"
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SSHFS_PORT="0000"
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# The absolute local path for the directory where the backups will be stored.
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BACKUP_ROOT="/mnt/backup/borg-linode"
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# A command to generate the date stamp that will appear in a backup’s title.
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BACKUP_DATE=$(date +"%Y-%m-%d_%H:%M")
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# Whether or not to compacts repositories after backing up. I haven’t tested this
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# because I have an older version of Borg that doesn’t support compacting.
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#COMPACT_REPOS="false"
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DAILIES_TO_RETAIN="7"
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WEEKLIES_TO_RETAIN="4"
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# This script is intended to be run unattended. If this option is set to “true”,
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# the script will pause for a few seconds before exiting if everything is successful,
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# and wait for user input before exiting if anything goes wrong.
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LINGER_ON_EXIT="true"
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EMPHASIS_COLOR="\e[36m"
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ERROR_COLOR="\e[91m"
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SUCCESS_COLOR="\e[32m"
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PROMPT_COLOR="\e[30;106m"
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# =============
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# Mise en place
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# =============
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NO_COLOR="\e[0m"
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ERRORLEVEL=0
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SUCCESSES="false"
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PROBLEMS="false"
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declare -A STATA
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_backup() {
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DATA_PATH=$1
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FULL_REPO_PATH="${BACKUP_ROOT}"
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#/${DATA_HOST}${DATA_PATH}"
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printf "Backing up ${EMPHASIS_COLOR}%s%s${NO_COLOR}\nto %s%s...\n" "$DATA_HOST" "$DATA_PATH" "$BACKUP_ROOT"
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if borg create --stats --progress --exclude /*/lost+found "$FULL_REPO_PATH"::"$PRENAMEARCHIVE""-""${DATA_PATH////-}""$BACKUP_DATE" "$SSHFS_MOUNTPOINT""$DATA_PATH"
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then printf "%bSuccess.%b\n\n" "$SUCCESS_COLOR" "$NO_COLOR"
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STATA["${DATA_PATH}"]="SUCCESS"
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SUCCESSES="true"
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if [[ $COMPACT_REPOS == "true" ]]
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then borg --progress compact "$FULL_REPO_PATH"
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fi
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printf "Pruning %s...\n" "$FULL_REPO_PATH"
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if ! borg prune --keep-daily="$DAILIES_TO_RETAIN" --keep-weekly="$WEEKLIES_TO_RETAIN" "$FULL_REPO_PATH"
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then ERRORLEVEL=1
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PROBLEMS="true"
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fi
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printf "\n"
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else STATA["${DATA_PATH}"]="$?"
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ERRORLEVEL=1
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PROBLEMS="true"
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printf "\n"
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fi
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}
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_delete_mountpoint() {
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if [[ ! "$(ls -A $SSHFS_MOUNTPOINT)" ]]
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then printf "Deleting mountpoint %s...\n" "$SSHFS_MOUNTPOINT"
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if rmdir "$SSHFS_MOUNTPOINT"
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then printf "Deleted.\n\n"
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else printf "%bFailed to delete the mountpoint.%b\n\n" "$ERROR_COLOR" "$NO_COLOR"
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ERRORLEVEL=1
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fi
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else printf "%bNot deleting the mountpoint at %s\nbecause it looks like there’s still something in it. Weird.%b\n\n" "$ERROR_COLOR" "$SSHFS_MOUNTPOINT" "$NO_COLOR"
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ERRORLEVEL=1
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fi
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}
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_exit() {
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if [[ $ERRORLEVEL -eq 0 ]]
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then if [[ $LINGER_ON_EXIT == "true" ]]
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then printf "%bThis message will self-destruct.%b\n\n" "$PROMPT_COLOR" "$NO_COLOR"
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sleep 5
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exit 0
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fi
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elif [[ $LINGER_ON_EXIT == "true" ]]
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then printf "%b" "$PROMPT_COLOR"
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read -n1 -r -p "Press Enter to dismiss." input
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printf "%b\n" "$NO_COLOR"
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if [[ $input = "" ]]
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then exit 1
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else _exit
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fi
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exit 1
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fi
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}
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# ====
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# Prep
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# ====
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printf "\nWe’re about to back up the following remote directories from %b%s%b:\n" "$EMPHASIS_COLOR" "${DATA_HOST}" "$NO_COLOR"
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for i in "${DATA_PATHS[@]}"
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do
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printf "• %b%s%b\n" "$EMPHASIS_COLOR" "${i}" "$NO_COLOR"
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done
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printf "\n"
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if [[ ! -d "$SSHFS_MOUNTPOINT" ]]
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then printf "Creating mountpoint %s...\n" "$SSHFS_MOUNTPOINT"
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if mkdir "$SSHFS_MOUNTPOINT"
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then printf "Success.\n\n"
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else printf "%bWe seem to be having trouble creating the SSHFS mountpoint. Aborting!%b\n\n" "$ERROR_COLOR" "$NO_COLOR"
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ERRORLEVEL=1
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_exit
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fi
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fi
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printf "Mounting %s at %s...\n" "$DATA_HOST" "$SSHFS_MOUNTPOINT"
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if sshfs -o ro,port="$SSHFS_PORT" "$SSHFS_USER"@"$DATA_HOST":/ "$SSHFS_MOUNTPOINT"
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then printf "Success.\n\n"
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else printf "%bWe seem to be having trouble mounting the remote remote file system.%b\n\n" "$ERROR_COLOR" "$NO_COLOR"
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ERRORLEVEL=1
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_delete_mountpoint
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_exit
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fi
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# =================
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# Backup operations
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# =================
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for i in "${DATA_PATHS[@]}"
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do
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_backup "$i"
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done
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# ==========
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# Denouement
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# ==========
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printf "Unmounting %s from %s...\n" "$DATA_HOST" "$SSHFS_MOUNTPOINT"
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if fusermount -u "$SSHFS_MOUNTPOINT"
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then printf "Success.\n\n"
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_delete_mountpoint
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else printf "%bWe’re having trouble unmounting the remote file system at %s.\n" "$ERROR_COLOR" "$SSHFS_MOUNTPOINT"
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printf "You’ll probably want to have a look at it.%b\n\n" "$NO_COLOR"
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ERRORLEVEL=1
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fi
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printf "%b==========\nCONCLUSION\n==========%b\n\n" "${EMPHASIS_COLOR}" "$NO_COLOR"
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if [[ $SUCCESSES == "true" ]]
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then printf "The following locations backed up successfully:\n"
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for i in "${DATA_PATHS[@]}"
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do
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if [[ ${STATA[${i}]} == "SUCCESS" ]]
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then printf "• %b%s%b\n" "$EMPHASIS_COLOR" "$i" "$NO_COLOR"
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fi
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done
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printf "\n"
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fi
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if [[ $PROBLEMS == "true" ]]
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then printf "The following locations experienced issues:\n"
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for i in "${DATA_PATHS[@]}"
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do
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if [[ ! ${STATA[${i}]} == "SUCCESS" ]]
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then printf "• %b%s%b\n" "$ERROR_COLOR" "$i" "$NO_COLOR"
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fi
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done
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printf "\n"
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fi
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_exit
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@ -1,6 +1,6 @@
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CALDIR=$HOME/.calendars
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file=$CALDIR/$1
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mail="test@gmail.com"
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mail="j.wyss@kolabnow.ch"
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endpoint="https://apps.kolabnow.com/calendars"
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set +o history
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