Linux 下 Shell Script 日志格式化

• • • 脚本目录
    • 方法编写
    • 脚本调用
    • • • 直接调用
        • 嵌套调用
    • 脚本执行
    • 日志查看
    • • • 目录查看
        • 日志查看
    • 参考

[root@node1 logformat]# tree
.
├── bin
│   └── install.sh
├── exe_script
│   ├── install_111.sh
│   ├── install_elasticsearch.sh
│   ├── install_jdk.sh
│   ├── install_oracle.sh
│   └── install_zookeeper.sh
├── logs
└── tools
    └── logformat.sh

4 directories, 7 files

[root@node1 logformat]# cat tools/logformat.sh 
#!/bin/bash

function logf()
{

	logtype=$1
	message=$2

	logdir="../logs"
	logfile=`echo $(basename $0) | awk -F '.' '{print $1}'`".log"

	case ${logtype} in
		error)
			echo -e "33[31m`date +'%F %H:%M:%S'`t[$1]t$233[0m" | tee -a ${logdir}/${logfile}
		;;

		info)
			echo -e "33[32m`date +'%F %H:%M:%S'`t[$1]t$233[0m" | tee -a ${logdir}/${logfile}
		;;

		warn)
			echo -e "33[33m`date +'%F %H:%M:%S'`t[$1]t$233[0m" | tee -a ${logdir}/${logfile}
		;;	

	esac

}

# 方法名（logf） 日志类别（info、warn、error） 日志信息（xxx  xxxx  xxxx）

• bin/install.sh

[root@node1 logformat]# cat bin/install.sh 
#!/bin/bash

source ../tools/logformat.sh


for service in jdk oracle elasticsearch zookeeper
do
	logf info "install.sh -- will install ${service}"
	sh ../exe_script/install_${service}.sh
done

• exe_script/install_jdk.sh

[root@node1 logformat]# cat exe_script/install_jdk.sh 
#!/bin/bash

source ../tools/logformat.sh

logf info "exec -- install service jdk"

• exe_script/install_oracle.sh

[root@node1 logformat]# cat exe_script/install_oracle.sh 
#!/bin/bash

source ../tools/logformat.sh

logf info "exec -- install service oracle"

[root@node1 logformat]# cd bin/ && sh install.sh
2021-10-19 17:43:17	[info]	install.sh -- will install jdk
2021-10-19 17:43:17	[info]	exec -- install service jdk
2021-10-19 17:43:17	[info]	install.sh -- will install oracle
2021-10-19 17:43:17	[info]	exec -- install service oracle
2021-10-19 17:43:17	[info]	install.sh -- will install elasticsearch
2021-10-19 17:43:17	[info]	exec -- install service elasticsearch
2021-10-19 17:43:17	[info]	install.sh -- will install zookeeper
2021-10-19 17:43:17	[info]	exec -- install service zookeeper

[root@node1 logformat]# tree logs/
logs/
├── install_elasticsearch.log
├── install_jdk.log
├── install.log
├── install_oracle.log
└── install_zookeeper.log

0 directories, 5 files

• 直接调用

[root@node1 logformat]# cat logs/install.log 
2021-10-19 17:43:17	[info]	install.sh -- will install jdk
2021-10-19 17:43:17	[info]	install.sh -- will install oracle
2021-10-19 17:43:17	[info]	install.sh -- will install elasticsearch
2021-10-19 17:43:17	[info]	install.sh -- will install zookeeper

• 嵌套调用

# install_jdk.sh
[root@node1 logformat]# cat logs/install_jdk.log 
2021-10-19 17:43:17	[info]	exec -- install service jdk

# install_oracle.sh
[root@node1 logformat]# cat logs/install_oracle.log 
2021-10-19 17:43:17	[info]	exec -- install service oracle

• The method of shell script output at different log level

• Prefixing logs with date in shell script