server-scripts/backup2me.sh

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2019-05-22 06:40:08 +02:00
#!/bin/bash
function join {
local d=$1;
shift;
local p=$1;
shift;
echo -n "$p$1";
shift;
printf "%s" "${@/#/$d$p}";
}
if ! lockfile-create -p -r 2 $0; then
echo "Another backup is running, aborting"
exit 1
fi
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### Program arguments ###
# Backup target directory
BACKUP_TARGET=$1
# Backup local directory
BACKUP_DIRECTORY=$2
# Exclusions
BACKUP_EXCLUSIONS=$(join " " "--exclude=" $3)
echo "Exclusions: $BACKUP_EXCLUSIONS"
# Script executed before starting the backup
BEFORE_SCRIPT=$4
# Script executed after finishing the backup
AFTER_SCRIPT=$5
# Backup root path, change it to create a new backup
BACKUP_ROOT=$6
# Backup archive path, change it for each backup
BACKUP_ARCHIVE=$7
### Backup automatic properties ###
BACKUP_ROOT_PATH="$(cat /etc/hostname)"
BACKUP_BASE_PATH="$BACKUP_ROOT_PATH/$BACKUP_ROOT"
BACKUP_CONTENTS_PATH="$BACKUP_BASE_PATH/_backup/"
echo "Starting backup. Target: $BACKUP_BASE_PATH. Archive: $BACKUP_ARCHIVE"
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### Before Script ###
eval "$BEFORE_SCRIPT"
### Create local model of the remote's backup directory tree and send it ###
mkdir -p "$BACKUP_CONTENTS_PATH"
rsync --timeout=30 -avzhP --relative $BACKUP_CONTENTS_PATH $BACKUP_TARGET
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### Backup home directory except some unwanted files ###
rsync --timeout=30 -avzhP --delete --inplace $BACKUP_EXCLUSIONS --backup --backup-dir=../$BACKUP_ARCHIVE $BACKUP_DIRECTORY $BACKUP_TARGET/$BACKUP_CONTENTS_PATH
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### Remove local model of the backup directory tree ###
rm -R "$BACKUP_ROOT_PATH"
### After Script ###
eval "$AFTER_SCRIPT"
# Remove lock
echo "Backup finished. Removing lock..."
lockfile-remove $0