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freedombone/src/freedombone-app-tahoelafs

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Distributed storage
#
# License
# =======
#
# Copyright (C) 2014-2016 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
VARIANTS=''
IN_DEFAULT_INSTALL=0
SHOW_ON_ABOUT=1
TAHOELAFS_REPO="https://github.com/tahoe-lafs/tahoe-lafs"
TAHOELAFS_COMMIT='30b421d48b3d1dae2ef507bf27a1f3816300cd92'
TAHOELAFS_PORT=50213
TAHOELAFS_WEB_PORT=3456
TAHOELAFS_STORAGE_SPACE=1G
TAHOELAFS_SHARED_DIR='Shared'
TAHOE_COMMAND="cd /var/lib/tahoelafs && venv/bin/tahoe"
tahoelafs_variables=(TAHOELAFS_REPO
TAHOELAFS_COMMIT
TAHOELAFS_PORT)
function install_interactive_tahoelafs {
echo -n ''
APP_INSTALLED=1
}
function change_password_tahoelafs {
echo -n ''
}
function reconfigure_tahoelafs {
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [ -d /home/$USERNAME/.tahoe ]; then
su -c "$TAHOE_COMMAND stop" - $USERNAME
rm -rf /home/$USERNAME/.tahoe
fi
if [ -d /home/$USERNAME/${TAHOELAFS_SHARED_DIR} ]; then
rm -rf /home/$USERNAME/${TAHOELAFS_SHARED_DIR}
fi
su -c "cd $TAHOE_COMMAND create-node" - $USERNAME
if [ ! -d /home/$USERNAME/.tahoe ]; then
exit 63722
fi
# create a shared directory
if [ ! -d /home/$USERNAME/${TAHOELAFS_SHARED_DIR} ]; then
mkdir /home/$USERNAME/${TAHOELAFS_SHARED_DIR}
chown -R $USERNAME:$USERNAME /home/$USERNAME/${TAHOELAFS_SHARED_DIR}
fi
TAHOELAFS_CONFIG=/home/$USERNAME/.tahoe/tahoe.cfg
echo '[node]' > $TAHOELAFS_CONFIG
echo "nickname = $USERNAME" >> $TAHOELAFS_CONFIG
echo "web.port = tcp:$TAHOELAFS_WEB_PORT:interface=127.0.0.1" >> $TAHOELAFS_CONFIG
echo 'web.static = public_html' >> $TAHOELAFS_CONFIG
echo "tub.port = tcp:$TAHOELAFS_PORT" >> $TAHOELAFS_CONFIG
echo "tub.location = tcp:$HOSTNAME:$TAHOELAFS_PORT" >> $TAHOELAFS_CONFIG
echo 'timeout.keepalive = 240' >> $TAHOELAFS_CONFIG
echo 'timeout.disconnect = 1800' >> $TAHOELAFS_CONFIG
echo '' >> $TAHOELAFS_CONFIG
echo '[client]' >> $TAHOELAFS_CONFIG
echo 'introducer.furl = None' >> $TAHOELAFS_CONFIG
echo '#helper.furl =' >> $TAHOELAFS_CONFIG
echo '' >> $TAHOELAFS_CONFIG
echo 'shares.needed = 1' >> $TAHOELAFS_CONFIG
echo 'shares.happy = 1' >> $TAHOELAFS_CONFIG
echo 'shares.total = 1' >> $TAHOELAFS_CONFIG
echo '' >> $TAHOELAFS_CONFIG
echo '[storage]' >> $TAHOELAFS_CONFIG
echo 'enabled = true' >> $TAHOELAFS_CONFIG
echo "reserved_space = $TAHOELAFS_STORAGE_SPACE" >> $TAHOELAFS_CONFIG
echo '#expire.enabled = true' >> $TAHOELAFS_CONFIG
echo '#expire.mode =' >> $TAHOELAFS_CONFIG
echo '' >> $TAHOELAFS_CONFIG
echo '[helper]' >> $TAHOELAFS_CONFIG
echo 'enabled = false' >> $TAHOELAFS_CONFIG
echo '' >> $TAHOELAFS_CONFIG
echo '[magic_folder]' >> $TAHOELAFS_CONFIG
echo 'enabled = true' >> $TAHOELAFS_CONFIG
echo "local.directory = /home/${USERNAME}/${TAHOELAFS_SHARED_DIR}" >> $TAHOELAFS_CONFIG
chown $USERNAME:$USERNAME $TAHOELAFS_CONFIG
su -c "$TAHOE_COMMAND start" - $USERNAME
su -c "$TAHOE_COMMAND magic-folder create $HOSTNAME" - $USERNAME
fi
done
}
function upgrade_tahoelafs {
echo -n ''
# TODO
}
function backup_local_tahoelafs {
source_directory=/home/tahoelafs/.tahoe-introducer
if [ ! -d $source_directory ]; then
return
fi
echo $"Backing up Tahoe-LAFS introducer"
systemctl stop tahoelafs
dest_directory=tahoelafs
function_check backup_directory_to_usb
backup_directory_to_usb $source_directory $dest_directory
systemctl start tahoelafs
echo $"Backup to $dest_directory complete"
}
function restore_local_tahoelafs {
echo $"Restoring Tahoe-LAFS introducer"
systemctl stop tahoelafs
temp_restore_dir=/root/temptahoelafs
restore_directory_from_usb $temp_restore_dir tahoelafs
mv /home/tahoelafs/.tahoe-introducer /home/tahoelafs/.tahoe-introducer-old
cp -r $temp_restore_dir/home/tahoelafs/.tahoe-introducer /home/tahoelafs/
if [ ! "$?" = "0" ]; then
mv /home/tahoelafs/.tahoe-introducer-old /home/tahoelafs/.tahoe-introducer
exit 246833
fi
rm -rf /home/tahoelafs/.tahoe-introducer
chown -R tahoelafs:tahoelafs /home/tahoelafs
systemctl start tahoelafs
echo $"Restore complete"
}
function backup_remote_tahoelafs {
source_directory=/home/tahoelafs/.tahoe-introducer
if [ ! -d $source_directory ]; then
return
fi
echo $"Backing up Tahoe-LAFS introducer"
systemctl stop tahoelafs
dest_directory=tahoelafs
function_check backup_directory_to_usb
backup_directory_to_friend $source_directory $dest_directory
systemctl start tahoelafs
echo $"Backup to $dest_directory complete"
}
function restore_remote_tahoelafs {
echo $"Restoring Tahoe-LAFS introducer"
systemctl stop tahoelafs
temp_restore_dir=/root/temptahoelafs
restore_directory_from_friend $temp_restore_dir tahoelafs
mv /home/tahoelafs/.tahoe-introducer /home/tahoelafs/.tahoe-introducer-old
cp -r $temp_restore_dir/home/tahoelafs/.tahoe-introducer /home/tahoelafs/
if [ ! "$?" = "0" ]; then
mv /home/tahoelafs/.tahoe-introducer-old /home/tahoelafs/.tahoe-introducer
exit 623925
fi
rm -rf /home/tahoelafs/.tahoe-introducer-old
chown -R tahoelafs:tahoelafs /home/tahoelafs
systemctl start tahoelafs
echo $"Restore complete"
}
function remove_tahoelafs {
firewall_remove ${TAHOELAFS_PORT}
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [ -f /home/$USERNAME/.tahoe ]; then
su -c "$TAHOE_COMMAND stop" - $USERNAME
rm -rf /home/$USERNAME/.tahoe
fi
done
rm -rf /var/lib/tahoelafs
remove_completion_param install_tahoelafs
remove_completion_param configure_firewall_for_tahoelafs
}
function configure_firewall_for_tahoelafs {
if [[ $(is_completed $FUNCNAME) == "1" ]]; then
return
fi
firewall_add Tahoe-LAFS ${TAHOELAFS_PORT}
mark_completed $FUNCNAME
}
function tahoelafs_update_script {
update_script_filename=$1
echo '#!/bin/bash' > $update_script_filename
echo 'TOX_USERNAME=$(toxid --showuser)' >> $update_script_filename
echo 'PEERS_FILE=$(mktemp /tmp/tahoelafs-peers.XXXXXX)' >> $update_script_filename
echo -n 'avahi-browse -atl | grep "Workstation" | ' >> $update_script_filename
echo -n "awk -F ' ' '{print \$4}' " >> $update_script_filename
echo '| sort -u > $PEERS_FILE' >> $update_script_filename
echo 'if [ ! "$?" = "0" ]; then' >> $update_script_filename
echo ' exit 1' >> $update_script_filename
echo 'fi' >> $update_script_filename
echo '' >> $update_script_filename
echo 'if [ ! -f $PEERS_FILE ]; then' >> $update_script_filename
echo ' exit 0' >> $update_script_filename
echo 'fi' >> $update_script_filename
echo '' >> $update_script_filename
echo 'furl=""' >> $update_script_filename
echo 'while IFS="" read -r line || [[ -n "$line" ]]; do' >> $update_script_filename
echo ' if [[ $furl != "" ]]; then' >> $update_script_filename
echo -n ' furl="$furl,$line:' >> $update_script_filename
echo -n "$TAHOELAFS_PORT" >> $update_script_filename
echo '"' >> $update_script_filename
echo ' else' >> $update_script_filename
echo -n ' furl="$line:' >> $update_script_filename
echo -n "$TAHOELAFS_PORT" >> $update_script_filename
echo '"' >> $update_script_filename
echo ' fi' >> $update_script_filename
echo 'done < "$PEERS_FILE"' >> $update_script_filename
echo '' >> $update_script_filename
echo 'rm $PEERS_FILE' >> $update_script_filename
echo '' >> $update_script_filename
echo 'for d in /home/*/ ; do' >> $update_script_filename
echo -n ' USERNAME=$(echo "$d" | ' >> $update_script_filename
echo "awk -F '/' '{print \$3}')'" >> $update_script_filename
echo ' if [ -f /home/$USERNAME/.tahoe/tahoe.cfg ]; then' >> $update_script_filename
echo ' if ! grep -q "introducer.furl = ${furl}" /home/$USERNAME/.tahoe/tahoe.cfg; then' >> $update_script_filename
echo ' sed -i "s|introducer.furl =.*|introducer.furl = ${furl}|g" /home/$USERNAME/.tahoe/tahoe.cfg' >> $update_script_filename
echo ' sed -i "s|nickname =.*|nickname = ${TOX_USERNAME}|g" /home/$USERNAME/.tahoe/tahoe.cfg' >> $update_script_filename
echo ' chown $USERNAME:$USERNAME /home/$USERNAME/.tahoe/tahoe.cfg' >> $update_script_filename
echo " su -c '$TAHOE_COMMAND restart' - \$USERNAME" >> $update_script_filename
echo ' fi' >> $update_script_filename
echo ' fi' >> $update_script_filename
echo 'done' >> $update_script_filename
echo '' >> $update_script_filename
echo 'exit 0' >> $update_script_filename
chmod +x $update_script_filename
}
function mesh_install_tahoelafs {
chroot "$rootdir" apt-get -yq install build-essential python-pip python-dev
chroot "$rootdir" apt-get -yq install libffi-dev libssl-dev python-virtualenv
git clone $TAHOELAFS_REPO $rootdir/var/lib/tahoelafs
cd $rootdir/var/lib/tahoelafs
git checkout $TAHOELAFS_COMMIT -b $TAHOELAFS_COMMIT
cat <<EOF > $rootdir/root/install_tahoelafs
cd /var/lib/tahoelafs
virtualenv venv
venv/bin/pip install --editable .
EOF
chroot "$rootdir" chmod +x /root/install_tahoelafs
chroot "$rootdir" /root/install_tahoelafs
chroot "$rootdir" rm /root/install_tahoelafs
tahoelafs_update_script $rootdir/usr/bin/update-tahoelafs
if ! grep -q "update-tahoelafs" $rootdir/etc/crontab; then
echo "*/1 * * * * root /usr/bin/update-tahoelafs 2> /dev/null" >> $rootdir/etc/crontab
fi
}
function install_tahoelafs {
if [ $INSTALLING_MESH ]; then
mesh_install_tahoelafs
return
fi
apt-get -yq install build-essential python-pip python-dev libffi-dev libssl-dev python-virtualenv
# create a user to run the introducer
if [ ! -d /home/tahoelafs ]; then
# add a gogs user account
adduser --disabled-login --gecos 'tahoe-lafs' tahoelafs
fi
if [ -d /home/tahoelafs/Maildir ]; then
rm -rf /home/tahoelafs/Maildir
fi
if [ ! -d /home/tahoelafs/.tahoe-introducer ]; then
mkdir /home/tahoelafs/.tahoe-introducer
fi
git_clone $TAHOELAFS_REPO /home/tahoelafs/tahoelafs
cd /home/tahoelafs/tahoelafs
git checkout $TAHOELAFS_COMMIT -b $TAHOELAFS_COMMIT
virtualenv venv
venv/bin/pip install --editable .
configure_firewall_for_tahoelafs
su -c "cd $TAHOE_COMMAND create-introducer /home/tahoelafs/.tahoe-introducer" - tahoelafs
TAHOELAFS_CONFIG=/home/tahoelafs/.tahoe-introducer/tahoe.cfg
if [ ! -f $TAHOELAFS_CONFIG ]; then
exit 62831
fi
sed -i "s|nickname =.*|nickname = $HOSTNAME|g" $TAHOELAFS_CONFIG
if ! grep -q "[storage]" $TAHOELAFS_CONFIG; then
echo '' >> $TAHOELAFS_CONFIG
echo '[storage]' >> $TAHOELAFS_CONFIG
echo 'enabled = true' >> $TAHOELAFS_CONFIG
echo "reserved_space = $TAHOELAFS_STORAGE_SPACE" >> $TAHOELAFS_CONFIG
fi
chown -R tahoelafs:tahoelafs /home/tahoelafs
TAHOELAFS_DAEMON_FILE=/etc/systemd/system/tahoelafs.service
echo '[Unit]' > $TAHOELAFS_DAEMON_FILE
echo 'Description=Tahoe-LAFS introducer' >> $TAHOELAFS_DAEMON_FILE
echo 'After=syslog.target' >> $TAHOELAFS_DAEMON_FILE
echo 'After=network.target' >> $TAHOELAFS_DAEMON_FILE
echo '' >> $TAHOELAFS_DAEMON_FILE
echo '[Service]' >> $TAHOELAFS_DAEMON_FILE
echo 'Type=simple' >> $TAHOELAFS_DAEMON_FILE
echo "User=tahoelafs" >> $TAHOELAFS_DAEMON_FILE
echo "Group=tahoelafs" >> $TAHOELAFS_DAEMON_FILE
echo "WorkingDirectory=/home/tahoelafs" >> $TAHOELAFS_DAEMON_FILE
echo "ExecStart=venv/bin/tahoe start /home/tahoelafs/.tahoe-introducer" >> $TAHOELAFS_DAEMON_FILE
echo "ExecStop=venv/bin/tahoe stop /home/tahoelafs/.tahoe-introducer" >> $TAHOELAFS_DAEMON_FILE
echo 'Restart=on-failure' >> $TAHOELAFS_DAEMON_FILE
echo "Environment=\"USER=tahoelafs\" \"HOME=/home/tahoelafs\"" >> $TAHOELAFS_DAEMON_FILE
echo '' >> $TAHOELAFS_DAEMON_FILE
echo '[Install]' >> $TAHOELAFS_DAEMON_FILE
echo 'WantedBy=multi-user.target' >> $TAHOELAFS_DAEMON_FILE
systemctl enable tahoelafs
systemctl daemon-reload
systemctl start tahoelafs
APP_INSTALLED=1
}
# NOTE: deliberately no exit 0
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