Feat: adds sync-from-remotes (Closes #19)

#!/usr/bin/env bash

#

# Sync Onionmine to remote servers.

#

# Copyright (C) 2022 Silvio Rhatto <rhatto@torproject.org>

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published

# by the Free Software Foundation, either version 3 of the License,

# or any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#

# Parameters

BASENAME="`basename $0`"

DIRNAME="`dirname $0`"

source $DIRNAME/params

# Check

if [ -z "$REMOTE_HOSTS_RSYNC" ] || [ "$REMOTE_HOSTS_RSYNC" == 0 ]; then

  echo "$BASENAME: please enable REMOTE_HOSTS_RSYNC at onionmine.conf"

  exit 1

fi

# Check remotes

if [ -z "$REMOTE_HOSTS" ]; then

  echo "$BASENAME: need to configure REMOTE_HOSTS parameter"

  exit 1

fi

# Check base dir

if [ -z "$REMOTE_HOSTS_BASEDIR" ]; then

  echo "$BASENAME: need to configure REMOTE_HOSTS_BASEDIR parameter"

  exit 1

fi

# Iterate over all defined hosts

for host in $REMOTE_HOSTS; do

  if [ ! -z "$REMOTE_HOSTS_RSYNC" ] && [ "$REMOTE_HOSTS_RSYNC" != 0 ]; then

    # Sync the pools

    $REMOTE_HOSTS_RSYNC_COMMAND $RSYNC_EXCLUDES $host:$REMOTE_HOSTS_BASEDIR/pools/ $BASEDIR/pools/

  fi

done