Zookeeper install and config.

[lui-solr.git] / debian / lui-zookeeper.init

diff --git a/debian/lui-zookeeper.init b/debian/lui-zookeeper.init
new file mode 100755 (executable)
index 0000000..b9147d2
--- /dev/null
+++ b/debian/lui-zookeeper.init
@@ -0,0 +1,139 @@
+#! /bin/sh
+
+# init script for lui-zookeeper
+
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+### BEGIN INIT INFO
+# Provides:            lui-zookeeper
+# Required-Start:      $remote_fs $syslog
+# Required-Stop:       $remote_fs $syslog
+# Default-Start:       2 3 4 5
+# Default-Stop:                
+# Short-Description:   Apache ZooKeeper server for Index Data Local Unified Index (LUI)
+### END INIT INFO
+
+set -e
+
+# /etc/init.d/lui-zookeeper: start and stop the Apache ZooKeeper daemon
+
+umask 022
+
+. /etc/default/lui-zookeeper
+
+. /lib/lsb/init-functions
+
+check_privsep_dir() {
+    # Create the PrivSep empty dir if necessary
+    if [ ! -d ${ZOOPIDDIR} ]; then
+       mkdir -p ${ZOOPIDDIR}
+        chown lui-solr:lui-solr ${ZOOPIDDIR}
+       chmod 0775 ${ZOOPIDDIR} 
+    fi
+}
+
+# Are we running from init?
+run_by_init() {
+    ([ "$previous" ] && [ "$runlevel" ]) || [ "$runlevel" = S ]
+}
+
+check_for_no_start() {
+    # forget it if we're trying to start, and /etc/masterkey/lui/zookeeper/zookeeper_not_to_be_run exists
+    if [ -e /etc/masterkey/lui/zookeeper/zookeeper_not_to_be_run ]; then 
+       if [ "$1" = log_end_msg ]; then
+           log_end_msg 0
+       fi
+       if ! run_by_init; then
+           log_action_msg "Apache ZooKeeper server not in use (/etc/zookeeper/zookeeper_not_to_be_run)"
+       fi
+       exit 0
+    fi
+}
+
+export PATH="${PATH:+$PATH:}/usr/sbin:/usr/bin"
+
+case "$1" in
+  start)
+       check_for_no_start
+       check_privsep_dir
+       log_daemon_msg "Starting Apache ZooKeeper server" "zookeeper"
+       if start-stop-daemon --start --quiet --oknodo --pidfile ${ZOOPIDFILE} -c lui-solr -x ${ZOOKEEPER_PREFIX}/bin/zkServer.sh start; then
+           log_end_msg 0
+       else
+           log_end_msg 1
+       fi
+       ;;
+  stop)
+       log_daemon_msg "Stopping Apache ZooKeeper server" "zookeeper"
+       if start-stop-daemon --stop --quiet --oknodo --pidfile ${ZOOPIDFILE}; then
+           log_end_msg 0
+       else
+           log_end_msg 1
+       fi
+       ;;
+
+  restart)
+       check_privsep_dir
+       log_daemon_msg "Restarting Apache ZooKeeper server" "zookeeper"
+       start-stop-daemon --stop --quiet --oknodo --retry 30 --pidfile ${ZOOPIDFILE}
+       check_for_no_start log_end_msg
+       if start-stop-daemon --start --quiet --oknodo --pidfile ${ZOOPIDFILE} -c lui-solr -x ${ZOOKEEPER_PREFIX}/bin/zkServer.sh start; then
+           log_end_msg 0
+       else
+           log_end_msg 1
+       fi
+       ;;
+
+  try-restart)
+       check_privsep_dir
+       log_daemon_msg "Restarting Apache ZooKeeper server" "zookeeper"
+       set +e
+       start-stop-daemon --stop --quiet --retry 30 --pidfile ${ZOOPIDFILE}
+       RET="$?"
+       set -e
+       case $RET in
+           0)
+               # old daemon stopped
+               check_for_no_start log_end_msg
+               if start-stop-daemon --start --quiet --oknodo --pidfile ${ZOOPIDFILE} -c lui-solr -x ${ZOOKEEPER_PREFIX}/bin/zkServer.sh start; then
+                   log_end_msg 0
+               else
+                   log_end_msg 1
+               fi
+               ;;
+           1)
+               # daemon not running
+               log_progress_msg "(not running)"
+               log_end_msg 0
+               ;;
+           *)
+               # failed to stop
+               log_progress_msg "(failed to stop)"
+               log_end_msg 1
+               ;;
+       esac
+       ;;
+
+  status)
+       status_of_proc -p ${ZOOPIDFILE} ${JAVA_HOME}/bin/java zookeeper && exit 0 || exit $?
+       ;;
+
+  *)
+       log_action_msg "Usage: /etc/init.d/lui-zookeeper {start|stop|restart|try-restart|status}"
+       exit 1
+esac
+
+exit 0