实例脚本，判断是否加入开机自启动，服务状态、脚本规范

脚本实例：

• 判断ntpd服务是否加入开机自启动

  
  

• #!/bin/bash
  #Output:
  #Resultmustexactlyequalto"3:on,5:on|enable"
  #
  #Otheroutputisnon-compliant.
  
  #ConfirmOSVersion
  unsetOS_VERSION
  
  uname-r|grepel5>/dev/null&&OS_VERSION=el5
  uname-r|grepel6>/dev/null&&OS_VERSION=el6
  uname-r|grepel7>/dev/null&&OS_VERSION=el7
  
  #Checkntpautostartonrhel5andrhel6
  functionntp_boot_start()
  {
  localLANG
  localret
  
  LANG="en_US.UTF-8"
  ret=$(chkconfig--listntpd2>/dev/null|awk'{print$5","$7}')
  
  	if["$ret"=""];then
  		ntp_auto=false
  		echo"$ntp_auto"
  
  	elif["$ret"!=""-a"$ret"!="3:on,5:on"];then
  #		echo"$ret"
  #echo"Check[ntpdautostart]...FAILED"
  		ntp_auto=false
  		echo"$ntp_auto"
  
  	else
  #		echo"$ret"
  		ntp_auto=true
  		echo"$ntp_auto"
  	fi
  }
  
  #Checkchronyautostartonrhel7
  functionchrony_boot_start()
  {
  localLANG
  localret
  
  LANG="en_US.UTF-8"
  ret=$(systemctlis-enabledchronyd.service2>/dev/null)
  
  	if["$ret"=""];then
  		ntp_auto=false
  		echo"$ntp_auto"
  	elif["$ret"!=""-a"$ret"!="enabled"];then
  		ntp_auto=false
  		echo"$ntp_auto"
  #echo"Changemethod:"
  		#echo"systemctlenablechronyd.service"
  	else
  		ntp_auto=true
  		echo"$ntp_auto"
  	fi
  }
  
  #Begincheck
  if["$OS_VERSION"="el5"-o"$OS_VERSION"="el6"];then
  ntp_boot_start
  elif["$OS_VERSION"="el7"];then
  chrony_boot_start
  fi

• 判断服务状态

  
  

• #!/bin/bash
  #Output:
  #Atthistime,itmustexactlyequalto"UP".
  #
  #Otheroutputisnon-compliant.
  
  #ConfirmOSVersion
  unsetOS_VERSION
  
  uname-r|grepel5>/dev/null&&OS_VERSION=el5
  uname-r|grepel6>/dev/null&&OS_VERSION=el6
  uname-r|grepel7>/dev/null&&OS_VERSION=el7
  
  #Begincheck
  if["$OS_VERSION"="el5"-o"$OS_VERSION"="el6"];then
  pidofntpd&>/dev/null
  if[$?-ne0];then
  		ntpd_service_status=flase
  echo"ntpd_service_status$ntpd_service_status"
  #echo"DOWN"
  #echo"Check[ntpservicestatus]...FAILED"
  #echo"Changemethod:"
  #echo"servicentpdstart"
  else
  		ntpd_service_status=true
  echo"ntpd_service_status$ntpd_service_status"
  #echo"UP"
  fi
  elif["$OS_VERSION"="el7"];then
  pidofchronyd&>/dev/null
  if[$?-ne0];then
  		ntpd_service_status=flase
  echo"ntpd_service_status$ntpd_service_status"
  #echo"DOWN"
  #echo"Check[chronyservicestatus]...FAILED"
  #echo"Changemethod:"
  #echo"systemctlstartchronyd.service"
  else
  		ntpd_service_status=true
  echo"ntpd_service_status$ntpd_service_status"
  #echo"UP"
  fi
  fi

（编辑：李大同）

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