ora.sh~

#!/bin/bash

serverurl='10.0.1.10:1999'
ev3ipaddr='10.0.1.1'
oraversion='1.2.0-SNAPSHOT'

function _helpFn {
  # be careful when changing the help function.
  # All words starting with "--" are extracted by a compgen function and considered COMMANDS!
  echo 'THIS SCRIPT IS MAINLY FOR DEVELOPERS, WHO PULLED THE GIT-REPOSITORY AND WORK WITH THE OpenRoberta SERVER LOCALLY';
  echo 'you may set properties first, e.g. the server url, and then ececute a command, e.g. export the application';
  echo 'IF you source with ". ora-please-source.sh", you get completion from the bash when you type TAB (as usual ...)';
  echo '';
  $0 --java
  echo 'you may customize the script by defining default values for properties. Actual values of the properties are:';
  echo 'ev3ipaddr='"$ev3ipaddr";
  echo 'oraversion='"$oraversion";
  echo 'serverurl='"$serverurl";
  echo '';
  echo '1.setting properties';
  echo '';
  echo '  --ev3ipaddr {IP-ADDR}              set the ip addr of the EV3 brick for further commands';
  echo '  --version {VERSION}                set the version to something like d.d.d where d is one or more digits, e.g. 1.2.0'
  echo '                                     only used when an installation is exported. Use with care.'
  echo '  --serverurl {IP:PORT}              set a default url (ip address plus port) to which the server is associated.'
  echo '                                     the brick will ask you to connect to this address.'
  echo '                                     useful if you do not want to type the IP on the brick. This saves a lot of time! :-)'
  echo '';
  echo '2.miscelleneous commands';
  echo '';
  echo '  --help                             get help';
  echo '  --java                             check whether java and javac are on the path and the JDK versin matches. Show the java version';
  echo ''
  echo '  --checkout-db OR --restore-db      restore the state of the database to the state last checked out.'
  echo '                                     this makes sense, if you changed the db during test and dont want to commit your changes'
  echo '  --alive {-q} {EVERY} {TIMEOUT} {MAIL} check after EVERY sec (default: 60) if the server is alive.'
  echo '                                     The server is assumed to have crashed, if it does not answer within TIMEOUT sec (default: 10).'
  echo '                                     If the server is assumed to have crashed, send a mail by calling the script MAIL (default: NO)'
  echo '                                     -q is the quiet mode: report crashes only'
  echo '                                     a usefull call, reporting to stdout, is e.g. ora.sh --serverurl localhost:1999 --alive 10 10'
  echo '  --sqlclient                        start the hsqldb client to query the database. The openroberta server must NOT run and'
  echo '                                     and thus access the database. Note, that hsqldb is not used in db server node, but standalone.';
  echo '';
  echo '3.commands available after a successful mvn {clean} install';
  echo '';
  echo '  --start {PROPERTY-FILE}            start of the server, optionally supply a property file';
  echo '                                     the default property file is in OpenRobertaServer/src/main/resources';
  echo '                                     a java7 installation is required, java+javac MUST be in the path' ;
  echo '  --scpev3menu                       scp the ev3menu.jar to the EV3, uses ev3ipaddr';
  echo '                                     the root password is "", thus hit return if you are asked';
  echo '  --scpev3libs                       scp libraries to the EV3, uses ev3ipaddr';
  echo '                                     the root password is "", thus hit return everytime you are asked';
  echo '  --setev3serverinfo                 Create a file with the ip address and port of the server.'
  echo '                                     the root password is "", thus hit return everytime you are asked';
  echo '  --createemptydb PATH-TO-DB         create an empty database with all tables needed for the OpenRoberta server'
  echo '                                     Needs a file name. Creates files and a directory with this name AS PREFIX.'
  echo '                                     if the database exists, it is not recreated. If a table "PROGRAM" is found'
  echo '                                     in an existing database, it is assumed, that the setup has already been done.'
  echo '  --export PATH-TO-INSTALLATION-DIR  create a self-contained installation with an empty database'
  echo '                                     The installation contains a top level start script "start.sh",'
  echo '                                     that can be used without parameter or with a property file as parameter.'
}

function _startFn {
  _checkJava;
  if [[ "$checkJava" != '' ]]; then
     echo 'problems detected. The start command is aborted.'
     exit 4;
  fi
  main='de.fhg.iais.roberta.main.ServerStarter'
  run='java -cp "target/resources/*" '"${main} ${propfile}"
  echo "executing: $run"
  cd OpenRobertaServer
  eval $run
}

function _aliveFn {
  echo "checking for a server crash every $every sec with $timeout sec timeout."
  if [[ "$mail" == 'no' ]]; then
     echo "no mail will be sent if a crash is suspected"
  else
     echo "mail will be sent using the script \"$mail\" if a crash is suspected"
  fi
  while :; do
    if [[ "$quiet" == 'true' ]]; then
       curl --max-time $timeout "http://$serverurl/alive" > /dev/null
       rc=$?
    else 
       curl --max-time $timeout "http://$serverurl/alive"
       rc=$?
       if [[ $rc == 0 ]]; then
          echo ''
       fi
    fi
    if [[ $rc != 0 ]]; then
       echo "************************ server seems to be down `date` ************************"
       if [[ "$mail" != 'no' ]]; then
          sh $mail
       fi
    fi
    sleep $every
  done
}

# check, whether java and javac are on the PATH. Check for a 64 bit java 7 version.
# if everything is ok, set variable checkJava to '', otherwise the variable contains error messages
function _checkJava {
  checkJava=''
  which java > /dev/null
  if [[ $? != 0 ]]; then
     checkJava="  java was NOT found on the PATH.\n"
  fi
  which javac > /dev/null
  if [[ $? != 0 ]]; then
     checkJava="${checkJava}  javac was NOT found on the PATH.\n"
  fi
  javaversion=`java -version 2>&1`
  case "$javaversion" in
    *64-Bit*) : ;;
    *)        checkJava="${checkJava}  java is resolved to a 32 bit version. The server needs a 64 bit jdk.\n" ;;
  esac
  case "$javaversion" in
    *1\.7\.*) : ;;
    *)        checkJava="${checkJava}  java is not resolved to version 7. The server needs a version 7 jdk." ;;
  esac
  if [[ "$checkJava" != '' ]]; then
     echo "problems detected:"
     echo "$checkJava"
  fi
  echo
  echo 'you are using the following java runtime:'
  echo $javaversion
  echo
}

function _exportApplication {
  exportpath="$1"
  if [[ -e "$exportpath" ]]; then
     echo "target directory \"$exportpath\" already exists - exit 4"
     exit 4
  fi
  echo "creating the target directory \"$exportpath\""
  mkdir "$exportpath"
  if [ $? -ne 0 ] ; then
    echo "creating the directory \"$exportpath\" failed - exit 4"
    exit 4
  fi
  echo "creating an empty data base"
  $0 --createemptydb "${exportpath}/db/openroberta-db"
  echo "copying the web resources"
  webresources="OpenRobertaServer/staticResources"
  cp -r "$webresources" "$exportpath"
  echo 'creating directories for user programs and resources'
  mkdir "${exportpath}/userProjects"
  mkdir "${exportpath}/resources"
  mkdir "${exportpath}/crossCompilerResources"
  mkdir "${exportpath}/updateResources"
  echo "copying resources"
  cp OpenRobertaRuntime/crosscompiler-ev3-build.xml "${exportpath}"
  cp OpenRobertaServer/target/resources/*.jar "$exportpath/resources"
  cp OpenRobertaServer/target/updateResources/*.jar "$exportpath/updateResources"
  cp OpenRobertaServer/target/crossCompilerResources/*.jar "$exportpath/crossCompilerResources"
  echo 'creating the start scripts "start.sh" and "start.bat"'
# -------------- begin of here documents --------------------------------------------------
  cat >"${exportpath}/openRoberta.properties" <<.eof
server.jetty.port = 1999
version = ${oraversion}
validversionrange.From = ${oraversion}
validversionrange.To = ${oraversion}
crosscompiler.basedir = userProjects/
crosscompiler.build.xml = crosscompiler-ev3-build.xml
hibernate.connection.url = jdbc:hsqldb:file:db/openroberta-db
robot.updateResources.dir = resources
robot.updateResources.dir = updateResources
robot.crossCompilerResources.dir = crossCompilerResources
.eof
  cat >"${exportpath}/start.sh" <<.eof
#!/bin/bash
javaversion=\`java -version 2>&1\`
case "\$javaversion" in
  *64-Bit*) : ;;
  *) echo 'java is resolved to a 32 bit version. The server needs a 64 bit jdk. Exit 4.'
     exit 4 ;;
esac
case "\$javaversion" in
  *1\\.7\\.*) : ;;
  *) echo 'java is not resolved to a version 7. The server needs a version 7 jdk. Exit 4.'
     exit 4 ;;
esac
properties="\$1"
if [[ "\$properties" == "" ]]; then
   properties="openRoberta.properties"
fi
run="java -cp \"resources/*\" de.fhg.iais.roberta.main.ServerStarter file:\$properties"
echo "executing: \$run"
eval \$run
.eof
  cat >"${exportpath}/start.bat" <<.eof
rem this start.bat uses the C:\Windows\System32\java.exe to start the server.
rem It passes a 1.7 argument to let this exe select the right java installation.
rem If this does not work on your system, you have to tweak the path variable.
rem For local installations inspect your firewall settings, if the robot cannot connect.
@echo off
java -version:"1.7" -version 2>&1 | find "64-Bit" >nul:
if errorlevel 1 (
  echo java is resolved to a 32 bit version. The server needs a 64 bit jdk. Exit 4.
  pause
  exit 4
)
java -version:"1.7" -version 2>&1 | find "1.7." >nul:
if errorlevel 1 (
  echo java is not resolved to a version 7. The server needs a version 7 jdk. Exit 4.
  pause
  exit 4
)
set "PROPERTIES=%1"
if not "%PROPERTIES%" == "" goto gotProperties
set "PROPERTIES=openRoberta.properties"
:gotProperties
set RUN=java -version:"1.7" -cp "resources\*" de.fhg.iais.roberta.main.ServerStarter file:%PROPERTIES%
echo executing: "%RUN%"
%RUN%
.eof
# -------------- end of here documents ----------------------------------------------------
}

function _createemptydb {
  dbpath="$1"
  main='de.fhg.iais.roberta.main.Administration'
  run='java -cp "OpenRobertaServer/target/resources/*" '"${main} createemptydb ${dbpath}"
  echo "executing: $run"
  eval $run
}

function _scpev3menuFn {
  run="scp OpenRobertaServer/target/updateResources/EV3Menu.jar root@${ev3ipaddr}:/home/root/lejos/bin/utils"
  echo "executing: ${run}"
  $run
}

function _setev3serverinfoFn {
  echo ${serverurl} | ssh root@${ev3ipaddr} "cat > /home/roberta/serverIP.txt"
}

function _scpev3libsFn {
  runtime="OpenRobertaServer/target/updateResources/OpenRobertaRuntime.jar"
  shared="OpenRobertaServer/target/updateResources/OpenRobertaShared.jar"
  json='OpenRobertaServer/target/updateResources/json.jar'
  run="ssh root@${ev3ipaddr} mkdir -p /home/roberta/lib"
  echo "executing: ${run}"
  $run
  run="scp ${runtime} ${shared} ${json} root@${ev3ipaddr}:/home/roberta/lib"
  echo "executing: ${run}"
  $run
}

# ---------------------------------------- begin of the script ----------------------------------------------------
cmd="$1"; shift
if [[ "$cmd" == '' || "$cmd" == '--help' || "$cmd" == '-h' ]]; then
   _helpFn
   exit 0
elif [[ "$cmd" == '--java' ]]; then
   _checkJava
   exit 0
fi

continueReadingProperties='true'
while [[ "$continueReadingProperties" == 'true' ]]; do
   case "$cmd" in
      --ev3ipaddr|-ev3ip) ev3ipaddr="$1"; shift;    cmd="$1"; shift ;;
      --serverurl|-sp)    serverurl="$1"; shift;    cmd="$1"; shift ;;
      --version|-v)       oraversion="$1"; shift;   cmd="$1"; shift ;;
      *)                  continueReadingProperties='false' ;;
   esac
done
if [[ "$cmd" == '' ]]; then
   exit 0
fi
case "$cmd" in
--checkout-db|--restore-db)
                    git checkout HEAD -- OpenRobertaServer/db/openroberta-db.[lps]* ;;
--sqlclient|-sql)   dbjar=' OpenRobertaServer/target/resources/hsqldb-2.3.2.jar'
                    dbdriver='org.hsqldb.jdbc.JDBCDriver'
                    dburl='jdbc:hsqldb:file:OpenRobertaServer/db/openroberta-db'
                    java -jar $dbjar --driver $dbdriver --url $dburl --user orA --password Pid ;;
--scpev3menu|-menu) _scpev3menuFn ;;
--scpev3libs|-libs) _scpev3libsFn ;;
--setev3serverinfo|-sinfo) _setev3serverinfoFn ;;
--createemptydb)    dbpath="$1"
                    _createemptydb "$dbpath" ;;
--export|-e)        exportpath="$1"
                    _exportApplication "$exportpath" ;;
--start|-s)         propfile="$1"
                    if [[ "$propfile" != '' ]]; then
                       propfile="file:$propfile" # make a file resource from the path
                    fi
                    _startFn ;;
--alive)            if [[ "$1" == '-q' ]]; then
                       quiet='true'
                       shift
                    else
                       quiet='false'
                    fi
                    every="${1:-60}"
                    timeout="${2:-30}"
                    mail="${3:-no}"
                    _aliveFn ;;
*)                  echo 'invalid command: "'"$cmd"'"'
                    exit 4 ;;
esac

exit 0