背景

需要检查系统环境，是否能复现POC，不能复现的环境进行提示。
为了对客户友好的展示性：根据输入的字符串，将拆分的复现步骤的命令，逐一实行并打印有必要的提示。

已放弃

因为还需要考虑其他同事的代码习惯，Shell不是一个比较容易上手的语言，Python用户多，大家多少都有了解或者其他同事能帮忙改的。所以改为Python。
Python的问题就是Python2和Python3的些微不同，还有Linux环境上安装第三方库可能有点麻烦。

Shell代码

  1. echo -e "-------------------------------System Information----------------------------"
  2. echo -e "Hostname:\t\t\t"`hostname`
  3. echo -e "uptime:\t\t\t"`uptime | awk '{print $3,$4}' | sed 's/,//'`
  4. echo -e "Manufacturer:\t\t"`cat /sys/class/dmi/id/chassis_vendor`
  5. echo -e "Product Name:\t\t"`cat /sys/class/dmi/id/product_name`
  6. echo -e "Version:\t\t\t"`cat /sys/class/dmi/id/product_version`
  7. echo -e "Serial Number:\t\t"`cat /sys/class/dmi/id/product_serial`
  8. echo -e "Machine Type:\t\t"`vserver=$(lscpu | grep Hypervisor | wc -l); if [ $vserver -gt 0 ]; then echo "VM"; else echo "Physical"; fi`
  9. echo -e "Operating System:\t\t"`hostnamectl | grep "Operating System" | cut -d ' ' -f5-`
  10. echo -e "Kernel:\t\t\t"`uname -r`
  11. echo -e "Architecture:\t\t"`arch`
  12. echo -e "Processor Name:\t\t"`awk -F':' '/^model name/ {print $2}' /proc/cpuinfo | uniq | sed -e 's/^[ \t]*//'`
  13. echo -e "Active User:\t\t\t"`w | cut -d ' ' -f1 | grep -v USER | xargs -n1`
  14. echo -e "System Main IP:\t\t"`hostname -I`
  15. echo ""
  16. echo -e "-------------------------------CPU/Memory Usage------------------------------"
  17. echo -e "Memory Usage:\t\t"`free | awk '/Mem/{printf("%.2f%"), $3/$2*100}'`
  18. echo -e "Swap Usage:\t\t\t"`free | awk '/Swap/{printf("%.2f%"), $3/$2*100}'`
  19. echo -e "CPU Usage:\t\t\t"`cat /proc/stat | awk '/cpu/{printf("%.2f%\n"), ($2+$4)*100/($2+$4+$5)}' | awk '{print $0}' | head -1`
  20. echo ""
  22. echo -e "----------------------------------Check List----------------------------------"
  23. echo -e "Check1："
  24. echo -e "Check2："
  25. echo -e "Check3："
  26. echo -e "Check4："
  27. echo ""
  29. echo -e "---------------------------------Step Choice---------------------------------"
  30. echo -e "Step1：启动"
  31. echo -e "Step2：步骤二"
  32. echo -e "Step3：步骤三"
  33. echo -e "Step4：步骤四"
  34. read -p "Please Input Step Number: " nStep
  36. read -p "输入a、b、c中的一个：" Get
  37. case $Get in
  38. a)
  39. echo "输入的是a"
  40. ;;
  41. b)
  42. echo "输入的是b"
  43. ;;
  44. c)
  45. echo "输入的是c"
  46. ;;
  47. esac
  50. while $nStep
  51. if $nStep -ne ""
  52. then echo $nStep
  53. if $nStep -eq "1"
  54. then echo "1111111111"
  55. else echo "输入其他"
  56. fi
  57. else echo "无输入"
  58. fi
  59. echo ""
  61. echo -e "-------------------------------Disk Usage >80%-------------------------------"
  62. df -Ph | sed s/%//g | awk '{ if($5 > 80) print $0;}'
  63. echo ""
  65. echo -e "-------------------------------For WWN Details-------------------------------"
  66. vserver=$(lscpu | grep Hypervisor | wc -l)
  67. if [ $vserver -gt 0 ]
  68. then
  69. echo "$(hostname) is a VM"
  70. else
  71. cat /sys/class/fc_host/host?/port_name
  72. fi
  73. echo ""
  75. echo -e "-------------------------------Oracle DB Instances---------------------------"
  76. if id oracle >/dev/null 2>&1
  77. then
  78. bin/ps -ef | grep pmon
  79. else
  80. echo "oracle user does not exist on $(hostname)"
  81. fi
  82. echo ""
  84. if ( $(cat /etc/*-release | grep -w "Oracle|Red Hat|CentOS|Fedora" | wc -l) > 0 )
  85. then
  86. echo -e "-------------------------------Package Updates-------------------------------"
  87. yum updateinfo summary | grep 'Security|Bugfix|Enhancement'
  88. echo -e "-----------------------------------------------------------------------------"
  89. else
  90. echo -e "-------------------------------Package Updates-------------------------------"
  91. cat /var/lib/update-notifier/updates-available
  92. fi
  93. echo ""
  94. echo -e "----------------------------------Finished-----------------------------------"