This is much cooler now
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178
Kumonoboru
Executable file
178
Kumonoboru
Executable file
@@ -0,0 +1,178 @@
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#!/bin/bash
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##Simple script to run Restic backups
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source $SCRIPTS/Okiru
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source /etc/environment
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arg0=$(basename "$0")
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#Show help if arguments are misused
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usage()
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{
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exec 1>2 # Send standard output to standard error
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help
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exit 1
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}
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flag_error()
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{
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echo -e "$arg0: $*." >&2
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help
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exit 1
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}
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help()
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{
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echo "$arg0 - Back up important location to the B2 cloud using Restic."
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echo " {-c|--clean} -- Force prune of the remote repositories"
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echo " {-r|--repository} repository -- Only backup the specified repository."
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echo " {-l|--limit} #[Kbps] -- Limit upload & download speed"
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echo " {-h|--help} -- Print this help message and exit"
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echo "Available repositories:"
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echo "Gerbil-TK Photos (path: /Red-Vol/Media/Pictures)"
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echo "Pukeko-XYZ-Containers Containers (path: /Red-Vol/Media/Containers)"
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echo "Pukeko-XYZ-Cloud Data from all devices (path: /Red-Vol/Media/Cloud/Syncthing)"
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exit 0
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}
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#Pass arguments to the script
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flags()
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{
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#This is utterly useless
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if [[ $# == "0" ]]; then
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:
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fi
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while test $# -gt 0
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do
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case "$1" in
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(-c|--clean)
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debug "Cleaning will take place per request."
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export CLEAN="1"
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shift;;
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(-r|--repository)
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shift
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export REPOSITORY="$1"
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debug "Only repository $1 will be processed per request."
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shift;;
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(-l|--limit)
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shift
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export BWLIMIT="$1"
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debug "Bandwidth will be limited to $BWLIMIT Kbps per request."
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shift;;
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(-h|--help)
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help;;
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(*) help;;
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esac
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done
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}
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flags "$@"
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logging Restic
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#Defaults
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if [[ -z $BWLIMIT ]]; then
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export BWLIMIT="0"
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fi
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#Safety function; accepts repository to check
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safety(){
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REPOSITORY="$1"
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info "Checking if repository $REPOSITORY is in use..."
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#Check no other Restic process is using this repository; Free unnecessary locks, if present
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if [[ -n $(ps aux | grep restic | grep "$REPOSITORY") ]]; then
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warn "Repository $REPOSITORY is in use - ignoring"
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return 1
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# ^ If there's a restic process holding the repository, leave it alone.
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else
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info "Repository $REPOSITORY is not in use - unlocking"
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restic -r b2:$REPOSITORY unlock
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# ^ If a lock exists but no process, the repository is safe and should be unlocked.
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fi
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}
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#Backup function; accepts repository and path to backup
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backup(){
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REPOSITORY="$1"
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REPOSITORY_PATH="$2"
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if safety "$REPOSITORY"; then
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#Run the backup
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info "Backing up repository $REPOSITORY"
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if restic -r b2:"$REPOSITORY" backup "$REPOSITORY_PATH" --limit-upload="$BWLIMIT" --limit-download="$BWLIMIT"; then
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ok "Path $REPOSITORY_PATH completed upload to $REPOSITORY."
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check "$REPOSITORY"
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else
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error "Repository $REPOSTIORY failed to upload path $REPOSITORY_PATH!"
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fi
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fi
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}
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check(){
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REPOSITORY="$1"
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PRUNE="$2"
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## ^ This variable will have value if repo is already clean, indicating
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#+ This is a post backup check.
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if [[ -n $PRUNE ]]; then
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warn "This repository has been cleaned already; will not clean again."
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fi
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if safety "$REPOSITORY"; then
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info "Checking repository $REPOSITORY"
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if restic -r b2:"$REPOSITORY" check --limit-upload="$BWLIMIT" --limit-download="$BWLIMIT"; then
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ok "Repository $REPOSITORY passed integrity check!"
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info "Current snapshots:"
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restic -r b2:"$REPOSITORY" snapshots >> $LOG
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if [[ -z $PRUNE ]] && [[ $(date +%d) == "18" ]]; then
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#Only clean the repository if ^not done already ^ and today is the 18th of the month (prune monthly)
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info "Monthly prune is today; cleaning $REPOSITORY"
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clean "$REPOSITORY"
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fi
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else
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error "Repository $REPOSITORY failed integrity check!"
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fi
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fi
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}
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clean(){
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REPOSITORY="$1"
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if safety "$REPOSITORY"; then
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info "Cleaning repository $REPOSITORY"
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if restic -r b2:$REPOSITORY forget --keep-daily 7 --keep-weekly 4 --keep-monthly 12 --prune --limit-upload="$BWLIMIT" --limit-download="$BWLIMIT"; then
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ok "Repository $REPOSITORY is trim!"
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debug "Running post clean check..."
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check "$REPOSITORY" "1"
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# Marks repository as cleaned already ^ so it won't passed to this function again.
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else
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error "Repository $REPOSITORY failed to prune!"
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fi
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fi
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}
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#If a specific repository was requested, back it up; otherwise, back them all up.
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if [[ -n $REPOSITORY ]] && [[ -z $CLEAN ]]; then
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case "$REPOSITORY" in
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(Gerbil-TK)
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backup Gerbil-TK /Red-Vol/Media/Pictures/
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;;
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(Pukeko-XYZ-Containers)
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backup Pukeko-XYZ-Containers /Red-Vol/Media/Containers
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;;
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(Pukeko-XYZ-Cloud)
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backup Pukeko-XYZ-Cloud /Red-Vol/Media/Cloud/Syncthing
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;;
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(*)
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help;;
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esac
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#If cleaning was not forced, backup the repositories
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elif [[ -z $CLEAN ]]; then
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backup Gerbil-TK /Red-Vol/Media/Pictures/
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backup Pukeko-XYZ-Containers /Red-Vol/Media/Containers
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backup Pukeko-XYZ-Cloud /Red-Vol/Media/Cloud/Syncthing
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#If a specific repository was requested to be cleaned, clean it
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elif [[ -n $REPOSITORY ]] && [[ -n $CLEAN ]]; then
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case "$REPOSITORY" in
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(Gerbil-TK)
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clean Gerbil-TK
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;;
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(Pukeko-XYZ-Containers)
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clean Pukeko-XYZ-Containers
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;;
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(Pukeko-XYZ-Cloud)
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clean Pukeko-XYZ-Cloud
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;;
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(*)
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help;;
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esac
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#If cleaning was forced and no repository specified, clean all repositories
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elif [[ -n $CLEAN ]]; then
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clean Gerbil-TK
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clean Pukeko-XYZ-Containers
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clean Pukeko-XYZ-Cloud
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fi
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