88 lines
2.0 KiB
Bash
Executable File
88 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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function join {
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local d=$1;
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shift;
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local p=$1;
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shift;
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echo -n "$p$1";
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shift;
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printf "%s" "${@/#/$d$p}";
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}
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if ! lockfile-create -p -r 2 $0; then
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echo "Another backup is running, aborting"
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exit 1
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fi
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### Program arguments ###
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# Backup target directory
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BACKUP_TARGET=$1
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# Backup local directory
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BACKUP_DIRECTORY=$2
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# Exclusions
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BACKUP_EXCLUSIONS=$(join " " "--exclude=" $3)
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echo "Exclusions: $BACKUP_EXCLUSIONS"
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# Script executed before starting the backup
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BEFORE_SCRIPT=$4
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# Script executed after finishing the backup
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AFTER_SCRIPT=$5
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# Backup root path, change it to create a new backup
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BACKUP_ROOT=$6
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# Backup archive path, change it for each backup
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BACKUP_ARCHIVE=$7
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# Backup additional arguments
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BACKUP_ARGS=$8
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### Backup automatic properties ###
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BACKUP_ROOT_PATH="$(cat /etc/hostname)"
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BACKUP_BASE_PATH="$BACKUP_ROOT_PATH/$BACKUP_ROOT"
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BACKUP_CONTENTS_PATH="$BACKUP_BASE_PATH/_backup/"
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RSYNC_BASE_CMD=(rsync --timeout=120 --protocol=30 -avzzhP)
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RSYNC_BASE_CMD+=("$BACKUP_ARGS")
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RSYNC_STRUCTURE_CMD=${RSYNC_BASE_CMD[*]}
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RSYNC_STRUCTURE_CMD+=(--relative $BACKUP_CONTENTS_PATH $BACKUP_TARGET)
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RSYNC_DATA_CMD=${RSYNC_BASE_CMD[*]}
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RSYNC_DATA_CMD+=(--delete --inplace $BACKUP_EXCLUSIONS --backup --backup-dir=../$BACKUP_ARCHIVE $BACKUP_DIRECTORY $BACKUP_TARGET/$BACKUP_CONTENTS_PATH)
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echo "Starting backup. Target: $BACKUP_BASE_PATH. Archive: $BACKUP_ARCHIVE"
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### Before Script ###
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echo "Before script ..."
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eval "$BEFORE_SCRIPT"
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echo "Done"
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### Create local model of the remote's backup directory tree and send it ###
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echo "Directory structure..."
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mkdir -p "$BACKUP_CONTENTS_PATH"
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eval ${RSYNC_STRUCTURE_CMD[*]} || exit 1
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echo "Done"
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### Backup home directory except some unwanted files ###
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echo "Backup data..."
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eval ${RSYNC_DATA_CMD[*]} || exit 1
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echo "Done"
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### Remove local model of the backup directory tree ###
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rm -R "$BACKUP_ROOT_PATH"
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### After Script ###
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eval "$AFTER_SCRIPT"
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# Remove lock
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echo "Backup finished. Removing lock..."
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lockfile-remove $0
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