bigtop-packages/src/common/hadoop/hadoop-httpfs.svc

# 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.
HADOOP_NAME="httpfs"
DAEMON="hadoop-$HADOOP_NAME"
DESC="Hadoop $HADOOP_NAME"
EXEC_PATH="/usr/lib/hadoop/sbin/httpfs.sh"
SVC_USER="$HADOOP_NAME"
WORKING_DIR="/var/run/hadoop-httpfs"
DAEMON_FLAGS="$HADOOP_NAME"
CONF_DIR="/etc/hadoop/conf"
PIDFILE="/var/run/$DAEMON/hadoop-$SVC_USER-$HADOOP_NAME.pid"

CHKCONFIG=${CHKCONFIG:-"2345 90 10"}
CHKCONFIG="${CHKCONFIG%% *} 90 10"

generate_start() {

cat <<'__EOT__'

start() {
  [ -x $EXEC_PATH ] || exit $ERROR_PROGRAM_NOT_INSTALLED
  [ -d $CONF_DIR ] || exit $ERROR_PROGRAM_NOT_CONFIGURED

  runuser -s /bin/bash $SVC_USER -c "cd $WORKING_DIR && $EXEC_PATH start $DAEMON_FLAGS"

  # Some processes are slow to start
  sleep $SLEEP_TIME
  checkstatusofproc
  RETVAL=$?

  if [ $RETVAL -eq $STATUS_RUNNING ]; then
    touch $LOCKFILE
    log_success_msg "Started ${DESC}: "
  else
    log_failure_msg "Failed to start ${DESC}. Return value: $RETVAL"
  fi
  return $RETVAL
}

__EOT__

}

generate_stop() {

cat <<'__EOT__'

stop() {
  start_daemon $EXEC_PATH stop $DAEMON_FLAGS
  RETVAL=$?

  if [ $RETVAL -eq $RETVAL_SUCCESS ]; then
    log_success_msg "Stopped ${DESC}: "
    rm -f $LOCKFILE $PIDFILE
  else
    log_failure_msg "Failed to stop ${DESC}. Return value: $RETVAL."
  fi
}

__EOT__

}