duptools.sh - frontend shell script for duplicity

.duptoolsrc

export AWS_ACCESS_KEY_ID="YOUR_KEY"
export AWS_SECRET_ACCESS_KEY="YOUR_SECRET"
# See below duplicity options, uses same key for encryption and signing
export PASSPHRASE="YOUR_GPG_KEY_PASSPHRASE"

PURGE_AGE="65D"

# directories, space separated
SOURCE=""
SOURCE="${SOURCE} /vol/dir1"
SOURCE="${SOURCE} /vol/dir2"
BUCKET="s3+http://YOUR_BUCKET/SOMETHING"
LOGFILE="/var/log/duplicity.log"

# set email to receive a backup report
EMAIL="YOU_EMAIL"

DUPLICITY_OPTS=""
DUPLICITY_OPTS="$DUPLICITY_OPTS --s3-use-new-style"
DUPLICITY_OPTS="$DUPLICITY_OPTS --s3-european-buckets"
#DUPLICITY_OPTS="$DUPLICITY_OPTS --verbosity info"
#DUPLICITY_OPTS="$DUPLICITY_OPTS --verbosity 9"
DUPLICITY_OPTS="$DUPLICITY_OPTS --volsize=250"
#DUPLICITY_OPTS="$DUPLICITY_OPTS --tempdir /var/tmp"
DUPLICITY_OPTS="$DUPLICITY_OPTS --encrypt-sign-key YOUR_GPG_KEY_ID"

# vim: set ft=sh et ts=2 sw=2:

duptools.sh

#!/bin/bash

# Added:
#  * trickle to limit bandwith usage
#  * some options and moved all config to ~/.duptoolsrc
#  * extra commands to clenup and purge old backups

test -f ~/.duptoolsrc || exit 1
source ~/.duptoolsrc

backup() {
  INCLUDE=""
  for CDIR in $SOURCE
  do
    TMP=" --include  ${CDIR}"
    INCLUDE=${INCLUDE}${TMP}
  done
  # perform an incremental backup to root, include directories, exclude everything else, / as reference.
  trickle -s -u 700 duplicity $DUPLICITY_OPTS --full-if-older-than 30D $INCLUDE --exclude '**' / $BUCKET > $LOGFILE
  if [ -n "$EMAIL" ]; then
    mail -s "backup report for ${HOSTNAME}" $EMAIL < $LOGFILE
  fi
}

list() {
  duplicity list-current-files $DUPLICITY_OPTS $BUCKET
}

restore() {
  if [ $# = 2 ]; then
    duplicity restore $DUPLICITY_OPTS --file-to-restore $1 $BUCKET $2
  else
    duplicity restore $DUPLICITY_OPTS --file-to-restore $1 --time $2 $BUCKET $3
  fi
}

status() {
  duplicity collection-status $DUPLICITY_OPTS $BUCKET
}

purge () {
  duplicity remove-older-than $PURGE_AGE --force $DUPLICITY_OPTS $BUCKET
}

cleanup () {
  duplicity cleanup --extra-clean --force $DUPLICITY_OPTS $BUCKET
}

if [ "$1" = "backup" ]; then
  backup
elif [ "$1" = "list" ]; then
  list
elif [ "$1" = "restore" ]; then
  if [ $# = 3 ]; then
    restore $2 $3
  else
    restore $2 $3 $4
  fi
elif [ "$1" = "status" ]; then
  status
elif [ "$1" = "purge" ]; then
  purge
elif [ "$1" = "cleanup" ]; then
  cleanup
else
  echo "
  duptools - manage duplicity backup

  USAGE:

  ./duptools.sh backup
  ./duptools.sh list
  ./duptools.sh status
  ./duptools.sh purge
  ./duptools.sh cleanup
  ./duptools.sh restore file [time] dest
  "
fi

# vim: set ft=sh et ts=2 sw=2: