CPU idle rate plug-ins developed using the shell

#!/bin/bash #=============================================== # AUTHOR:JC # Email : jiechao2013@gmail.com # changelog:2013.5.4 # Description:check the Cpu-utili Zation rate #=============================================== state_ok=0 state_warning=1 STATE_CRIT ical=2 state_unknown=3 cpu_idle= ' top-b-N 1 | grep Cpu | awk ' {print $} ' | Cut-f 1-d "."
    
     
    
' progname=$ (basename $) release= "Revision 1.2.0" author= "(c) 2013 JC (jiechao2013@gmail.com)" 
    
        Print_release () {echo "$RELEASE $AUTHOR"} print_usage () { 
    
        echo "echo" $PROGNAME $RELEASE-cpu Utilization rate Check script for Nagios "echo"
    
        echo "Usage:check_cpurate.sh" echo "" echo "-V Check the" version " echo "echo" Usage: $PROGNAME "echo" "Exit 0} print_help () {Print_
    
        Usage echo "echo" This plugin'll check CPU utilization rate "echo" Exit 0} While [$#-GT 0]; Do case "$" in-v | 
    
                --version) print_release exit $STATE _OK Shift 
    
;; 
    
            *) echo "Unknown argument: $ print_usage exit $STATE _unknown 
    
        ;; ESAC shift do case ' uname ' in Linux percent=$ (bc<<&lt ;" scale=2;621/977 "|tr ' ^." ') cpu_idle= ' Top-b-N 1 | grep Cpu | awk ' {print $} ' | Cut-f 1-d "." ' If (("$cpu _idle" <)) then echo "Ok-utilization rate $cpu _idle (free: $PERCENT%) Free CPU "Exit $STATe_ok else echo "CRITICAL-CPU utilization rate $cpu _idle ($PERCENT%) 
    
  Free CPU "Exit $STATE _critical fi;; *) echo "UNKNOWN: ' uname ' not yet supported by this plugin.
    
Coming soon! " 
    
Exit $STATE _unknown;; Esac