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path: root/src/flufigut-client.sh
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#!/bin/sh
#
# flufigut
#
# flufigut, the flumotion configuration utility, is a simple tool
# that generates flumotion configuration files using pyhton jinja2
# template engine and simplejson. flufigut generates planet.xml
# and worker.xml files from configuration templates and an easy to
# understand representation of the flow structure written in json.
#
#
# Copyright (C) 2012 Christian Pointner <equinox@spreadspace.org>
#                    Michael Gebetsroither <michael@mgeb.org>
#
# This file is part of flufigut.
#
# flufigut 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 2 of the License, or
# any later version.
#
# flufigut 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 flufigut. If not, see <http://www.gnu.org/licenses/>.
#

NAME="flumotion"
LOGFILE="/var/log/flumotion/service.log"
DAEMON="/usr/sbin/$NAME"
DAEMON_ARGS="-d 3 -l $LOGFILE"
CONF_DIR="/etc/flumotion"


if [ "install" = "$1" ]; then
  UID=`/usr/bin/id -u`
  if [ $UID -ne 0 ]; then
    echo "ERROR: this script must run as root for install installation."
    exit 1
  fi
  cp $0 /usr/local/bin
  getent passwd flufigut > /dev/null 2>&1
  if [ $? -ne 0 ]; then
    echo -n "copy&paste public key and press enter: "
    read pubkey
    if [ -z "$pubkey" ]; then
      echo "ERROR: no keyfile given"
      exit 1
    fi
    adduser flufigut --disabled-password --home /var/lib/flufigut --gecos "flufigut management" --shell "/bin/sh"
    adduser flufigut flumotion
    mkdir -p /var/lib/flufigut/.ssh
    echo 'command="/usr/local/bin/flufigut-client.sh",no-X11-forwarding,no-agent-forwarding,no-port-forwarding '$pubkey > /var/lib/flufigut/.ssh/authorized_keys
    chown -R flufigut:flufigut /var/lib/flufigut/.ssh
    chmod 600 /var/lib/flufigut/.ssh/authorized_keys
    echo "flufigut ALL = (flumotion) NOPASSWD: $DAEMON, /bin/tar, /bin/rm" >> /etc/sudoers
  fi
  echo "successfully installed flufigut client."

  exit 0
fi

remove_instance() {
  if [ "$1" = "worker" ]; then
    sudo -u flumotion rm "$CONF_DIR/workers/$2.xml"
  elif [ "$1" = "manager" ]; then
    sudo -u flumotion rm -rf "$CONF_DIR/managers/$2/"
    sudo -u flumotion rm "$CONF_DIR/$2.passwd"
  else
    echo "WARN: ignorng unknown type $1"
  fi
}

start_instance() {
  sudo -u flumotion $DAEMON $DAEMON_ARGS start "$1" "$2"
  return "$?"
}

stop_instance() {
  sudo -u flumotion $DAEMON $DAEMON_ARGS stop "$1" "$2"
  return "$?"
}

command=`echo $SSH_ORIGINAL_COMMAND | awk '{ print $1 }'`
param=`echo $SSH_ORIGINAL_COMMAND | awk '{ print $2 }'`

case "$command" in
  install)
    echo -n "install files from '$param' ... "
    sudo -u flumotion tar -C "$CONF_DIR" --strip-components 1 -xzf "$param"
    rm "$param"
    echo "done."
  ;;
  remove)
    echo -n "removing files ... "
    while read line; do
      type=`echo $line | awk '{ print $1 }'`
      name=`echo $line | awk '{ print $2 }'`
      remove_instance $type $name
    done
    echo "ok."
  ;;
  wipe)
    echo -n "wiping files ... "
    sudo -u flumotion rm "$CONF_DIR/workers/$param-"*.xml 2> /dev/null
    sudo -u flumotion rm -rf "$CONF_DIR/managers/$param/" 2> /dev/null
    sudo -u flumotion rm "$CONF_DIR/$param.passwd" 2> /dev/null
    echo "done."
  ;;
  start)
    echo -n "starting ... "
    while read line; do
      type=`echo $line | awk '{ print $1 }'`
      name=`echo $line | awk '{ print $2 }'`
      start_instance $type $name
    done
    echo "ok."
  ;;
  stop)
    echo -n "stopping ... "
    while read line; do
      type=`echo $line | awk '{ print $1 }'`
      name=`echo $line | awk '{ print $2 }'`
      stop_instance $type $name
    done
    echo "ok."
  ;;
  scp)
    $SSH_ORIGINAL_COMMAND
  ;;
  *)
    echo "Unknown command: '$command'"
    exit 1
  ;;
esac

exit 0