根据内存大小自动匹配和绑定自动伸缩策略shell

Posted 2020-10-18 陌上花开

#!/bin/bash 

for x in $(cf a|grep started|tr -s " " |cut -d " " -f 1)
do
        ins_quantity=$(cf a|grep $x|tr -s " "|cut -d " " -f 3|cut -d "/" -f 2);
        app_memory=$(cf a|grep $x|tr -s " "|cut -d " " -f 4);
 
 echo "appname:"$x
 echo "instance num:"${ins_quantity};
 unit_suffix=`echo ${app_memory: -1}`; 
 if [[ $unit_suffix == "G" ]];then
      
 app_memory_num=`echo ${app_memory%G*}`;
 elif [[ $unit_suffix == "M"  ]];then
 app_memory_num=`echo ${app_memory%M*}`;
 else 
      echo "ERROS: unit_suffix  get fail!"
      exit 1;
 fi
  echo "app_memory num:"${app_memory_num};
  echo "unit_suffix:"${unit_suffix};
 strategy_name=""
 case $app_memory_num in
        512)
        strategy_name="m0.5c25"
        ;;
        1)
        strategy_name="m1c50"
        ;;
        1.5)
        strategy_name="m1.5c75"
        ;;
        2)
        strategy_name="m2c100"
        ;;
        2.5)
        strategy_name="m2.5c125"
        ;;
        3)
        strategy_name="m3c150"
    
        ;;
        3.5)
        strategy_name="m3.5c175"
        ;;
        4)
        strategy_name="m4c200"
        ;;
 esac
      echo "strategy_name:"$strategy_name 
    if [[ $ins_quantity -ge 2 && $strategy_name != "" ]];then
        echo "aspt bind -a "$x" -p "$strategy_name" -e true";
        aspt bind -a $x -p $strategy_name -e true;
    else
        echo "appanme:"$x " is not set auto scale ! because ins num too small!"
      
    fi;
     
done