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path: root/templates/duplicity.conf.erb
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#!/bin/bash
#
# This configuration file was auto-generated by the Puppet configuration
# management system. Any changes you make to this file will be overwritten
# the next time Puppet runs. Please make configuration changes to this
# service in Puppet.
#
# TODO: custom log file

BACKUP_FOLDER="<%= directory %>"
FULL_IF_OLDER_THAN="<%= full_if_older_than %>"
REMOVE_OLDER_THAN="<%= remove_older_than %>"
REMOVE_ALL_BUT_N_FULL="<%= remove_all_but_n_full %>"
ENCRYPT_KEY="<%= encryptkey %>"
SIGN_KEY="<%= encryptkey %>"
<% exclude_unencrypted.each do |del| -%> 
EXCLUDE="$EXCLUDE --exclude <%= del %>"
<% end -%>
<% include_unencrypted.each do |add| -%> 
INCLUDE="$INCLUDE --include <%= add %>"
<% end -%>

# some systems have a limited /tmp folder
TMP="/var/tmp"
mkdir -p $TMP

export PASSPHRASE='<%= password %>'
mkdir -p $BACKUP_FOLDER

# adds support for checking the existing backup
if [ "$1" == "--check" ]; then
  duplicity collection-status file:///$BACKUP_FOLDER
else
  # cleanup any previous broken backups
  duplicity cleanup file:///$BACKUP_FOLDER --force
  # it's important to let $EXCLUDE come before $INCLUDE to
  # have greater precedence; see duplicity(1) for more info
  duplicity -v6 --full-if-older-than $FULL_IF_OLDER_THAN                    \
            --tempdir $TMP --encrypt-key $ENCRYPT_KEY --sign-key $SIGN_KEY  \
            --exclude $TMP $EXCLUDE $INCLUDE --exclude '**' / file:///$BACKUP_FOLDER

  if [ "$?" != "0" ]; then
    fatal "Duplicity backup failed."
  fi

  duplicity remove-older-than $REMOVE_OLDER_THAN file:///$BACKUP_FOLDER --force || exit 1
  duplicity remove-all-but-n-full $REMOVE_ALL_BUT_N_FULL file:///$BACKUP_FOLDER --force || exit 1

  if [ "$?" != "0" ]; then
    fatal "Removal of old backups failed."
  fi
fi