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[一些 shell 脚本] #shell
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| #!/bin/bash | |
| datetime=$(date +%Y%m%d%H%M%S) | |
| dbs=("chatbot" "chatbot_kg" "chatbot_v2" "chatbot_walle" "nlp_asr_tts_ws" "quality_check" "sound" "walle_deploy") | |
| #dbs=("walle_deploy") | |
| for ((i=0;i<${#dbs[@]};i++)) | |
| do | |
| cd /home/work/workplace/backup || exit | |
| db=${dbs[$i]} | |
| /home/work/workplace/mariadb-10.4.8/bin/mysqldump -ubackup_ro -pbackup_ro -h172.18.36.235 --lock-tables=false --quick --databases "${db}" > "${db}-${datetime}.sql" | |
| done | |
| find /home/work/workplace/backup -mtime +7 -name "*.*" -exec rm -rf {} \; |
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| #!/bin/bash - | |
| # top -n 参数指定运行次数，1代表运行一次即停止，不再等待top数据更新，使用awk指定分割符，提取数据 | |
| cpu_us=`top -n 1 | grep 'Cpu(s)' | awk -F'[" "%]+' '{print $2}'` | |
| cpu_sy=`top -n 1 | grep 'Cpu(s)' | awk -F'[" "%]+' '{print $4}'` | |
| cpu_idle=`top -n 1 | grep 'Cpu(s)' | awk -F'[" "%]+' '{print $8}'` | |
| # 默认bash shell不能直接运算小数点，所以需要借助bc | |
| # bc命令是一种支持任意精度的交互执行的计算器语言。 | |
| # 常见用法 echo "1.23*5" | bc | |
| cpu_sum=$(echo "$cpu_us+$cpu_sy"|bc) | |
| echo "CPU_SUM: $cpu_sum%" | |
| echo "CPU_Idle: ${cpu_idle}%" | |
| #超过阀值即发送邮件 | |
| if [ $cpu_sum -ge 90 ];then | |
| echo "CPU utilization $cpu_sum" | mail -s "cpu status warning." [email protected] | |
| fi |
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