| #!/bin/bash |
| |
| ### BEGIN INIT INFO |
| # Provides: cloudstack-agent |
| # Required-Start: $network $local_fs |
| # Required-Stop: $network $local_fs |
| # Default-Start: 3 4 5 |
| # Default-Stop: 0 1 2 6 |
| # Short-Description: Start/stop Apache CloudStack Agent |
| # Description: This scripts Starts/Stops the Apache CloudStack agent |
| ## The CloudStack Agent is a part of the Apache CloudStack project and is used |
| ## for managing KVM-based Hypervisors and performing secondary storage tasks inside |
| ## the Secondary Storage System Virtual Machine. |
| ## JSVC (Java daemonizing) is used for starting and stopping the agent |
| ### END INIT INFO |
| |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| . /lib/lsb/init-functions |
| |
| TMP=/usr/share/cloudstack-agent/tmp |
| SHORTNAME="cloudstack-agent" |
| PIDFILE=/var/run/"$SHORTNAME".pid |
| LOCKFILE=/var/lock/subsys/"$SHORTNAME" |
| PROGNAME="CloudStack Agent" |
| CLASS="com.cloud.agent.AgentShell" |
| PROG="jsvc" |
| DAEMON="/usr/bin/jsvc" |
| SHUTDOWN_WAIT="30" |
| |
| unset OPTIONS |
| [ -r /etc/default/"$SHORTNAME" ] && source /etc/default/"$SHORTNAME" |
| |
| # create java tmp dir if not found |
| mkdir -m 0755 -p "$TMP" |
| |
| # The first existing directory is used for JAVA_HOME (if JAVA_HOME is not defined in $DEFAULT) |
| JDK_DIRS="/usr/lib/jvm/java-8-openjdk-amd64 /usr/lib/jvm/java-8-openjdk-i386 /usr/lib/jvm/java-8-oracle" |
| |
| for jdir in $JDK_DIRS; do |
| if [ -r "$jdir/bin/java" -a -z "${JAVA_HOME}" ]; then |
| JAVA_HOME="$jdir" |
| fi |
| done |
| export JAVA_HOME |
| |
| ACP=`ls /usr/share/cloudstack-agent/lib/*.jar | tr '\n' ':' | sed s'/.$//'` |
| PCP=`ls /usr/share/cloudstack-agent/plugins/*.jar 2>/dev/null | tr '\n' ':' | sed s'/.$//'` |
| |
| # We need to append the JSVC daemon JAR to the classpath |
| # AgentShell implements the JSVC daemon methods |
| export CLASSPATH="/usr/share/java/commons-daemon.jar:$ACP:$PCP:/etc/cloudstack/agent" |
| |
| wait_for_network() { |
| i=1 |
| while [ $i -lt 10 ] |
| do |
| # Under Ubuntu and Debian libvirt by default creates a bridge called virbr0. |
| # That's why we want more then 3 lines back from brctl, so that there is a manually created bridge |
| if [ "$(brctl show|wc -l)" -gt 2 ]; then |
| break |
| else |
| sleep 1 |
| let i=$i+1 |
| continue |
| fi |
| done |
| } |
| |
| start() { |
| if [ -s "$PIDFILE" ] && kill -0 $(cat "$PIDFILE") >/dev/null 2>&1; then |
| log_daemon_msg "$PROGNAME apparently already running" |
| log_end_msg 0 |
| exit 0 |
| fi |
| |
| log_daemon_msg "Starting $PROGNAME" "$SHORTNAME" |
| if hostname --fqdn >/dev/null 2>&1 ; then |
| true |
| else |
| log_failure_msg "The host name does not resolve properly to an IP address. Cannot start $PROGNAME" |
| log_end_msg 1 |
| exit 1 |
| fi |
| |
| wait_for_network |
| |
| if start_daemon -p $PIDFILE $DAEMON -Djava.io.tmpdir="$TMP" -Xms256m -Xmx2048m -cp "$CLASSPATH" -Djna.nosys=true -pidfile "$PIDFILE" -errfile SYSLOG $CLASS |
| RETVAL=$? |
| then |
| rc=0 |
| sleep 1 |
| if ! kill -0 $(cat "$PIDFILE") >/dev/null 2>&1; then |
| log_failure_msg "$PROG failed to start" |
| rc=1 |
| fi |
| else |
| rc=1 |
| fi |
| |
| if [ $rc -eq 0 ]; then |
| log_end_msg 0 |
| else |
| log_end_msg 1 |
| rm -f "$PIDFILE" |
| fi |
| } |
| |
| stop() { |
| count="0" |
| |
| log_daemon_msg "Stopping $PROGNAME" "$SHORTNAME" |
| killproc -p $PIDFILE $DAEMON |
| |
| until [ "$count" -gt "$SHUTDOWN_WAIT" ] |
| do |
| agentPid=$(ps aux|grep [j]svc|grep $SHORTNAME) |
| if [ "$?" -gt "0" ];then |
| break |
| fi |
| sleep 1 |
| let count="${count}+1" |
| done |
| |
| agentPid=$(ps aux|grep [j]svc|grep $SHORTNAME) |
| if [ "$?" -eq "0" ]; then |
| agentPid=$(ps aux|grep [j]svc|awk '{print $2}') |
| if [ "$agentPid" != "" ]; then |
| log_warning_msg "$PROG still running, forcing kill" |
| kill -9 $agentPid |
| fi |
| fi |
| |
| log_end_msg $? |
| rm -f "$PIDFILE" |
| } |
| |
| case "$1" in |
| start) |
| start |
| ;; |
| stop) |
| stop |
| ;; |
| status) |
| status_of_proc -p "$PIDFILE" "$PROG" "$SHORTNAME" |
| RETVAL=$? |
| ;; |
| restart | force-reload) |
| stop |
| sleep 3 |
| start |
| ;; |
| *) |
| echo "Usage: $0 {start|stop|restart|force-reload|status}" |
| RETVAL=3 |
| esac |
| |
| exit $RETVAL |