bareos-ctl-funcs

#! /bin/sh

# A function to find the pid of a program.
pidofproc() {
   pid=""
   # Test syntax.
   if [ $# = 0 ] ; then
      echo "Usage: pidofproc {program} {port}"
      return 1
   fi

   # Get base program name
   base=`basename $1`

   # First try PID file
   if [ -f ${PIDDIR}/$base.$2.pid ] ; then
      pid=`head -n 1 ${PIDDIR}/$base.$2.pid`
      if [ "$pid" != "" ] ; then
         echo $pid
         return 0
      fi
   fi

   # Next try "pidof"
   if [ ! -z "${PIDOF}" -a -x "${PIDOF}" ] ; then
      pid=`${PIDOF} $1`
      if [ "$pid" != "" ] ; then
         echo $pid
         return 0
      fi
   fi

   # Next try "pgrep"
   if [ ! -z "${PGREP}" -a -x "${PGREP}" ] ; then
      pid=`${PGREP} -f $base`
      if [ "$pid" != "" ] ; then
         echo $pid
         return 0
      fi
   fi

   # Finally try to extract it from ps
   pid=`${PSCMD} | grep $base | ${AWK} '{ print $1 }' | tr '\n' ' '`
   echo $pid
   return 0
}

checkPid()
{
    pid="$1"
    wait="${2:-0}"
    waittext="${3:-}"
    output=""

    if [ -z "$pid" ]; then
        return 1
    fi

    start=$(date +%s)
    end=$(expr $start + $wait)

    while [ "$(date +%s)" -lt "$end" ] && ${PS} -p "$pid" >/dev/null 2>&1; do
        if [ "${waittext}" ]; then
            printf "%s" "$waittext"
            output="yes"
        fi
        # not all systems offer floating point numbers as sleep parameter, therefore try both.
        sleep 0.1 || sleep 1
    done
    if [ "${output}" ]; then printf " "; fi
    ${PS} -p "$pid" >/dev/null 2>&1
    return $?
}

# A function to stop a program.
killproc() {
   RC=0
   # Test syntax.
   if [ $# = 0 ]; then
      echo "Usage: killproc {program} {port} [signal]"
      return 1
   fi

   notset=0
   # check for third arg to be kill level
   if [ "$3" != "" ] ; then
      killlevel=$3
   else
      notset=1
      killlevel="-9"
   fi

   # Get base program name
   base=`basename $1`

   # Find pid.
   pid=`pidofproc $base $2`

   # Kill it.
   if checkPid "$pid"; then
      if [ "$notset" = "1" ] ; then
         # TERM first, then KILL if not dead
         kill -TERM $pid 2>/dev/null
         if checkPid "$pid" 3 "."; then
            kill -KILL $pid 2>/dev/null
         fi
         if checkPid "$pid" 3 "_"; then
            failure
         else
            success
         fi
      else
         if kill $killlevel $pid 2>/dev/null; then
            success "sent signal $killlevel"
         else
            failure
         fi
      fi
   else
      success "already stopped"
   fi
   # Remove pid file if any.
   if [ "$notset" = "1" ]; then
      rm -f "${PIDDIR}/$base.$2.pid"
   fi
   return $RC
}

# Function that checks if the configuration is OK and the Database can be connected
checkcfg() {
   RC=0
   echo "Checking Configuration and Database connection ... "
   if [ ! -z "${DIR_USER}" -a "${DIR_USER}" != "${USER}" ]; then
      su -s /bin/sh "${DIR_USER}" -c "${BAREOS_DIRECTOR_BINARY}" ${OPTIONS} -f -t
      RC=$?
   else
      "${BAREOS_DIRECTOR_BINARY}" ${OPTIONS} -f -t
      RC=$?
   fi
   return $RC
}

status() {
   # Test syntax.
   if [ $# = 0 ] ; then
      echo "Usage: status {program} {port}"
      return 1
   fi

   # Get base program name
   base=`basename $1`

   # Find pid.
   pid=`pidofproc $base $2`

   if checkPid "$pid"; then
       echo "$base (pid $pid) is running..."
       return 0
   fi

   if [ -f ${PIDDIR}/$base.$2.pid ] ; then
       echo "$base dead but pid file exists"
       return 1
   fi

   # See if the subsys lock exists
   if [ -f ${SUBSYSDIR}/$base ] ; then
      echo "$base dead but subsys locked"
      return 2
   fi

   echo "$base is stopped"

   return 3
}

success() {
   MESSAGE="OK"
   if [ "$1" ]; then
     MESSAGE="OK ($1)"
   fi
   echo $MESSAGE
   return 0
}

failure() {
   rc=$?
   echo "failed (rc=$rc)"
   return $rc
}