fd5b526398
This uses our standard buildpack, but each module must get a custom .blazar.yaml to pass in required properties to the build. One can distribute that .blazar.yaml using build-scripts/copy_blazar_yaml.sh. In order to minimize the duplication, most of the customizations are consolidated in build-scripts/prepare_environment.sh. The RPM build is hooked into the standard build hbase-assembly, as a post-build step. The RPM build scripts in hbase-assembly/rpm-build handle turning the assembled tar.gz into multiple RPMs. We required some minor changes to the descriptor in hbase-assembly to account for the fact that our build processes each module independently instead of as a single reactor build. As a result, moduleSet does not work, so moduleSet usages were converted to dependencySet.
312 lines
8.3 KiB
Bash
312 lines
8.3 KiB
Bash
#!/bin/bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This is a poor man's templating engine for generating init.d scripts to
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# support all the Apache services that Bigtop distro has. An actual init.d
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# script gets generate via running this script under bash and giving it
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# a mandatory argument of a file containing the configuration for the service.
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# The argument file should be a valid piece of bash code since it gets directly
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# source into this template. E.g.
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# $ bash ./init.d.tmpl hadoop-hdfs-namenode.svc rpm hadoop-hdfs-namenode
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#
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# You must declare the following in your .svc configuration file:
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# DAEMON="name of the resulting init.d script"
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# DESC="Free form human readable description of the service"
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# EXEC_PATH="path to the upstream daemon management script"
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# SVC_USER="user to run this service as"
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# DAEMON_FLAGS="flags to be passed to the $EXEC_PATH"
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# WORKING_DIR="working directory to cd into before starting the daemon"
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# CONF_DIR="path to the configuration directory"
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# PIDFILE="file holding a PID of the running daemon"
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# LOCKFILE="file signifying the service lock"
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#
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# CHKCONFIG="chkconfig(8) registration signature"
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# INIT_DEFAULT_START="run levels to use"
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# INIT_DEFAULT_STOP="run levels not to use ;-)"
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#
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# You can, also, override parts of the generated init.d script by providing
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# function definitions for: generate_start, generate_stop, generate_functions, and generate_extra_commands.
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# See the default implemenations below and feel free to customize. Also look
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# for exising .svc files in common to see how different services are tweaking
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# the defaults.
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#
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# Of course, if this whole templating thing grows too big we might need to
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# consider a real templating engine (I have played with m4, but it seems
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# qutie brittle when used for manipulating pieces of the shell code -- think
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# $0 the like).
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if [ $# -lt 3 ] ; then
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echo "Usage: ${BASH_SOURCE-0} service.definition.svc rpm|deb init.d.script"
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exit 1
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fi
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# Override anything necessary for supported systems
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case "$2" in
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"deb" )
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# The defaults will work well on Debian-based systems
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;;
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"rpm" )
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# On RedHat, SuSE and Mageia run-level 2 is networkless, hence excluding it
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CHKCONFIG="345 85 15"
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INIT_DEFAULT_START="3 4 5"
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INIT_DEFAULT_STOP="0 1 2 6"
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;;
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"*" )
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;;
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esac
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# Create the init script, make it executable, and send stdout to it
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mkdir -p `dirname $3`
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touch $3
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chmod 0755 $3
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exec > $3
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generate_start() {
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cat <<'__EOT__'
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start() {
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[ -x $EXEC_PATH ] || exit $ERROR_PROGRAM_NOT_INSTALLED
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[ -d $CONF_DIR ] || exit $ERROR_PROGRAM_NOT_CONFIGURED
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runuser -s /bin/bash $SVC_USER -c "cd $WORKING_DIR && $EXEC_PATH --config '$CONF_DIR' start $DAEMON_FLAGS"
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# Some processes are slow to start
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sleep $SLEEP_TIME
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checkstatusofproc
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RETVAL=$?
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if [ $RETVAL -eq $STATUS_RUNNING ]; then
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touch $LOCKFILE
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log_success_msg "Started ${DESC}: "
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else
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log_failure_msg "Failed to start ${DESC}. Return value: $RETVAL"
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fi
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return $RETVAL
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}
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__EOT__
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}
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generate_stop() {
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cat <<'__EOT__'
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stop() {
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start_daemon $EXEC_PATH --config "$CONF_DIR" stop $DAEMON_FLAGS
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RETVAL=$?
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if [ $RETVAL -eq $RETVAL_SUCCESS ]; then
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log_success_msg "Stopped ${DESC}: "
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rm -f $LOCKFILE $PIDFILE
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else
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log_failure_msg "Failed to stop ${DESC}. Return value: $RETVAL."
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fi
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}
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__EOT__
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}
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generate_functions() {
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:
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}
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generate_extra_commands() {
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cat <<'__EOT__'
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*)
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echo $"Usage: $0 {start|stop|status|restart|try-restart|condrestart|force-reload}"
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exit 1
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__EOT__
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}
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###################################################################
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# Some reasonable defaults for the run-level settings, these are
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# tweaked on a per-OS basis from the SPEC/rules files that call us
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# and can be further tweaked inside of individual .svc templates
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CHKCONFIG=${CHKCONFIG:-"2345 85 15"}
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INIT_DEFAULT_START=${INIT_DEFAULT_START:-"2 3 4 5"}
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INIT_DEFAULT_STOP=${INIT_DEFAULT_STOP:-"0 1 6"}
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###################################################################
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# NOTE how we are sourcing the argument here so that a user-defined
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# settings have a chance to override the default values for
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# generate_start, generate_stop, generate_functions and generate_extra_commands. If you
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# ever want to make this template even more flexible -- define the
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# default values above this line
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. $1
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cat <<__EOT__
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#!/bin/bash
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Starts a $DESC
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#
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# chkconfig: $CHKCONFIG
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# description: $DESC
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# pidfile: $PIDFILE
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### BEGIN INIT INFO
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# Provides: $DAEMON
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# Short-Description: $DESC
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# Default-Start: $INIT_DEFAULT_START
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# Default-Stop: $INIT_DEFAULT_STOP
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# Required-Start: \$syslog \$remote_fs
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# Required-Stop: \$syslog \$remote_fs
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# Should-Start:
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# Should-Stop:
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### END INIT INFO
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. /lib/lsb/init-functions
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DEFAULTS_DIR=\${DEFAULTS_DIR-/etc/default}
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[ -n "\${DEFAULTS_DIR}" -a -r \${DEFAULTS_DIR}/hadoop ] && . \${DEFAULTS_DIR}/hadoop
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[ -n "\${DEFAULTS_DIR}" -a -r \${DEFAULTS_DIR}/$DAEMON ] && . \${DEFAULTS_DIR}/$DAEMON
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RETVAL_SUCCESS=0
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STATUS_RUNNING=0
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STATUS_DEAD=1
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STATUS_DEAD_AND_LOCK=2
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STATUS_NOT_RUNNING=3
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STATUS_OTHER_ERROR=102
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ERROR_PROGRAM_NOT_INSTALLED=5
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ERROR_PROGRAM_NOT_CONFIGURED=6
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RETVAL=0
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SLEEP_TIME=5
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PROC_NAME="${PROC_NAME:-java}"
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DAEMON="$DAEMON"
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DESC="$DESC"
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EXEC_PATH="$EXEC_PATH"
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SVC_USER="$SVC_USER"
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DAEMON_FLAGS="$DAEMON_FLAGS"
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CONF_DIR="$CONF_DIR"
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CONF_FILE="$CONF_FILE"
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LOGFILE="$LOGFILE"
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PIDFILE="$PIDFILE"
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LOCKDIR="/var/lock/subsys"
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LOCKFILE="\$LOCKDIR/$DAEMON"
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WORKING_DIR="${WORKING_DIR:-~/}"
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install -d -m 0755 -o $SVC_USER -g $SVC_USER $(dirname $PIDFILE) 1>/dev/null 2>&1 || :
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[ -d "\$LOCKDIR" ] || install -d -m 0755 \$LOCKDIR 1>/dev/null 2>&1 || :
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__EOT__
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generate_functions
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generate_start
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generate_stop
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cat <<'__EOT__'
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restart() {
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stop
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start
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}
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checkstatusofproc(){
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pidofproc -p $PIDFILE $PROC_NAME > /dev/null
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}
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checkstatus(){
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checkstatusofproc
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status=$?
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case "$status" in
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$STATUS_RUNNING)
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log_success_msg "${DESC} is running"
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;;
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$STATUS_DEAD)
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log_failure_msg "${DESC} is dead and pid file exists"
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;;
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$STATUS_DEAD_AND_LOCK)
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log_failure_msg "${DESC} is dead and lock file exists"
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;;
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$STATUS_NOT_RUNNING)
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log_failure_msg "${DESC} is not running"
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;;
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*)
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log_failure_msg "${DESC} status is unknown"
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;;
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esac
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return $status
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}
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condrestart(){
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[ -e $LOCKFILE ] && restart || :
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}
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check_for_root() {
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if [ $(id -ur) -ne 0 ]; then
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echo 'Error: root user required'
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echo
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exit 1
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fi
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}
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service() {
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case "$1" in
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start)
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check_for_root
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start
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;;
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stop)
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check_for_root
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stop
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;;
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status)
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checkstatus
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RETVAL=$?
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;;
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restart|force-reload)
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check_for_root
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restart
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;;
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condrestart|try-restart)
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check_for_root
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condrestart
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;;
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__EOT__
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generate_extra_commands
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cat <<'__EOT__'
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esac
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}
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service "$@"
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exit $RETVAL
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__EOT__
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