Shell Script

Funktionen

Allgemeine Funktionen

• Get script path

   # get script path
   GetScriptPath()
   {
       echo "$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
   }

• Write logfile

   # write logfile
   # $1 Description
   # $2 Logfiledestination
   WriteLog ()
   {
       echo $(date "+%y%m%d-%H%M%S")' '$1 >> $2
   }

• Change from upper to lower char

   # change from upper to lower char
   # $1 Variable to change
   # $2 Logfiledestionation
   LowerChar ()
   {
       WriteLog  'LowerChar '$1 $2
       local myResult=`echo $1 | tr 'A-Z' 'a-z'`
       echo "$myResult"
   }

• Read file to parameter

   # read file to parameter
   # $1 Filepath
   # $2 Logfiledestination
   ReadFile()
  {
       local myResult=
       WriteLog 'ReadFile '$1 $2
       if [ -e $1 ]; then
               myResult=$(cat $1 | grep -v '#' |\
               while read myResult;
                       do
                                       echo $myResult
                       done
                       )
       else
           WriteLog 'ReadFile Error File '$1 $2
           exit 1
       fi
       echo "$myResult"
  }

• Check Prozess and wait

   # Check Prozess and wait
   # $1 wait prozzes
   # $2 waiting time
   # $3 Logfile
   CheckWaitProzessSh()
   {
       WriteLog 'CheckWaitProzess '$1 $3
       local myProzess=(`ps -ef | grep 'sh' | grep $1 | awk '{print $7}'`)
       # echo ${#myProzess[*]}
       while [[ ${#myProzess[*]} -gt 1 ]]
       do
           sleep $2
           myProzess=(`ps -ef | grep 'sh' | grep $1 | awk '{print $7}'`)
           echo -ne '.'
       done
       echo 
   }

• Check wait system live

   # Check wait system live
   # $1 Systemname / IP-Adresse
   # $2 Testcyclus
   # $3 waiting time
   # $4 Logfile
   CheckWaitSystem()
   {
       WriteLog 'CheckWaitSystem '$1 $4
       local systemAlive=
       local i=0
       while  $2 -gt $i 
       do
           sleep $3
           systemAlive=(`ping $1 -c 1 |grep received | awk '{print $4}'`)
           if [ $systemAlive -ne 1 ]; then
               i=$2
           fi
           i=$[$i+1];
           echo -ne '.'
       done
       echo 
   }

• Check system alive

   # Check system alive
   # $1 Systemname / IP-Adresse
   # $2 Logfile
   CheckAliveSystem()
   {
       WriteLog 'CheckAliveSystem '$1 $2
       local systemAlive=
       systemAlive=(`ping $1 -c 1 |grep received | awk '{print $4}'`)
       if [ $systemAlive -eq 1 ]; then
           echo true
       else
           echo false
       fi
   }

VMware Funktionen

• Get all configfile from virtual machine

   # get all configfile from virtual machine
   # $1 VMwarehost
   # $2 Logfiledestination
   GetVmConfig()
   {
       WriteLog 'GetVmConfig '$1 $2
       local myResult=
       myResult=`vmware-cmd -H $1 -U root -l | grep vmx`
       WriteLog 'GetVmConfig Count Virtual Machine '$1' '${#myResult[*]} $2
       echo "$myResult"
   }

• Check status and create new array by aktive vm

   # check status and create new array by aktive vm
   # $1 VMwarehost
   # $2 Logfiledestination
   # $3 Configparameter (array)
   CheckVmStat()
   {
       WriteLog 'CheckVmStat '$1 $2
       local myResult=
       local vmwareConfig=("${@}")
       unset vmwareConfig[1]
       unset vmwareConfig[0]
       for forLogFile in "${vmwareConfig[@]}"
       do
               WriteLog 'CheckVmStat '$1' '$forLogFile $2
       done
       WriteLog 'GetVmStat Count Virtual Machine '$1' '${#vmwareConfig[*]} $2
       for vmxParameter in "${vmwareConfig[@]}"
       do
           varReturn=`vmware-cmd -H $1 -U root $vmxParameter getstate | awk '{print $3}'`
           if [ "$varReturn" = 'on' ]; then
               myResult=$myResult$vmxParameter' '
           fi
       done
       echo "$myResult"
   }

• Stop virtual machine (soft)

   # stop virtual machine soft
   # $1 VMwarehost
   # $2 Logfiledestination
   # $3 Configparameter (array)
   StopVmSoft()
   {
       WriteLog 'StopVmSoft '$1 $2
       local vmwareConfig=("${@}")
       unset vmwareConfig[1]
       unset vmwareConfig[0]
       for vmxParameter in "${vmwareConfig[@]}"
       do
          WriteLog 'StopVmSoft '$1' '$vmxParameter $2
          vmware-cmd -H $1 -U root $vmxParameter stop soft
       done
   }

• Stop virtual machine (Hard)

   # stop virtual machine hard
   # $1 VMwarehost
   # $2 Logfiledestination
   # $3 Configparameter (array)
   StopVmHard()
   {
       WriteLog 'StoppVmHard '$1 $2
       local vmwareConfig=("${@}")
       unset vmwareConfig[1]
       unset vmwareConfig[0]
       for vmxParameter in "${vmwareConfig[@]}"
       do
           WriteLog 'StopVmHard '$1' '$vmxParameter $2
           vmware-cmd -H $1 -U root $vmxParameter stop hard
       done
   }

Lösungen

Check SSH

$(ssh -o BatchMode=yes -o ConnectTimeout=5 root@hostt echo ok 2>&1)

Check Alive

$(ping -c 2 hostname | grep ttl | wc -l)
if [ $(ping -c 2 hostname | grep ttl | wc -l) -eg 0 ]; then
    echo false
else
    echo true
fi