Bash script to deploy war file over tomcat after build is copied on the server. Alternate to tomcat manager if you don't have that.

tomcatBuildDeploy.sh

#!/bin/bash
# Author Sachin Verma

##Validate below variable based on env.
TOMCAT_USER=root
TOMCAT_HOME="/u01/apache-tomcat-8.5.24"
SHUTDOWN_WAIT=45

TOMCAT_WEB_APPS_DIR=$TOMCAT_HOME'/webapps'
WEB_APP=$TOMCAT_WEB_APPS_DIR'/reports'
JENKINS_BUILD_WAR_FILE='/tmp/reports.war'
WEB_APP_HEALTH_URL='https://localhost:8443/reports/ping/alihoih398yewkj3298hfeiub'
APP_UP_WAIT=900

TOMCAT_WRK_DIR=$TOMCAT_HOME'/work/'
TOMCAT_STOP_SCRIPT=$TOMCAT_HOME'/bin/shutdown.sh'
TOMCAT_START_SCRIPT=$TOMCAT_HOME'/bin/startup.sh'


tomcat_pid() {
    #TODO need to fix when multiple tomcats running in same env.
    echo `ps aux | grep org.apache.catalina.startup.Bootstrap | grep -v grep | awk '{ print $2 }'`
}

startTomcat() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]
    then
        echo "Tomcat is already running (pid: $pid)"
    else
        # Start tomcat
        echo "Starting tomcat"
        /bin/su - -c "cd $TOMCAT_HOME && $TOMCAT_START_SCRIPT" $TOMCAT_USER
    fi
    return 0
}

stopTomcat() {
    pid=$(tomcat_pid)
    if [ -n "$pid" ]
    then
        echo "Stopping Tomcat"
        /bin/su - -c "cd $TOMCAT_HOME && $TOMCAT_STOP_SCRIPT" $TOMCAT_USER

    let kwait=$SHUTDOWN_WAIT
    count=0
    count_by=5
    until [ `ps -p $pid | grep -c $pid` = '0' ] || [ $count -gt $kwait ]
    do
        echo "Waiting for processes to exit. Timeout before we kill the pid: ${count}/${kwait}"
        sleep $count_by
        let count=$count+$count_by;
    done

    if [ $count -gt $kwait ]; then
        echo "Killing processes which didn't stop after $SHUTDOWN_WAIT seconds"
        kill -9 $pid
    fi
    else
        echo "Tomcat is not running"
    fi

    return 0
}

copyNewWebAppBuild() {
    echo "Coping APP war file " $JENKINS_BUILD_WAR_FILE " to the tomcat web apps folder " $TOMCAT_WEB_APPS_DIR
        /bin/su - -c "cd $TOMCAT_WEB_APPS_DIR && cp $JENKINS_BUILD_WAR_FILE $TOMCAT_WEB_APPS_DIR" $TOMCAT_USER
    echo "Copied APP war file " $JENKINS_BUILD_WAR_FILE " to the tomcat web apps folder " $TOMCAT_WEB_APPS_DIR
 return 0
}

deleteOldWebAppBuild(){
    echo "Deleting the Old WebApp build content"
        /bin/su - -c "cd $TOMCAT_WEB_APPS_DIR && rm -r $WEB_APP" $TOMCAT_USER
    echo "Deleted the Old WebApp build content"
# Optional step
    echo "Deleting the tomcat work folder " $TOMCAT_WRK_DIR
        /bin/su - -c "cd $TOMCAT_WRK_DIR && rm -r $TOMCAT_WRK_DIR/*" $TOMCAT_USER
    echo "Deleted the tomcat work folder " $TOMCAT_WRK_DIR
    return 0
}

checkAppStatus(){
    let kwait=$APP_UP_WAIT
    count=0
    count_by=60
    until [ `curl --silent --insecure -I $WEB_APP_HEALTH_URL | grep -c 'HTTP/1.1 200'` = '1'  ] || [ $count -gt $kwait ]
    do
        echo "Waiting for Application to be up: ${count}/${kwait}"
        sleep $count_by
        let count=$count+$count_by;
    done

    if [ $count -gt $kwait ]; then
        echo "Application is not up yet deployment failed."
    else
        echo "Application is up as well."
    fi
    return 0

}

stopTomcat
sleep 5;
deleteOldWebAppBuild
sleep 5;
copyNewWebAppBuild
sleep 5;
startTomcat
sleep $SHUTDOWN_WAIT;
pid=$(tomcat_pid)
        if [ -n "$pid" ]
        then
           echo "Tomcat is running with pid: $pid"
           checkAppStatus
        else
           echo "Tomcat is not running and error occurred."
        fi

exit 0