Shell脚本格式化打印信息样例

news2024/9/21 2:35:29

以下是一个基于Centos7安装docker的脚本

logging.sh

[root@bogon ~]# cat logging.sh 
#!/bin/bash


NC='\033[0m'
RED='\033[31m'
GREEN='\033[32m'
YELLOW='\033[33m'
BLUE='\033[34m'
 




log::err() {
  printf "[$(date +'%Y-%m-%dT%H:%M:%S.%2N%z')][${RED}ERROR${NC}] %b\n" "$@"
}
 
log::info() {
  printf "[${GREEN}$(date +'%Y-%m-%dT%H:%M:%S.%2N%z')][${YELLOW}INFO]${NC} %b\n" "$*"
}
 
log::warning() {
  printf "[$(date +'%Y-%m-%dT%H:%M:%S.%2N%z')][${YELLOW}WARNING${NC}] \033[0m%b\n" "$@"
}

test.sh


#!/bin/bash

source logging.sh


# 检查包是否安装
#if rpm -qa | grep -q telnet; then
#    log::warning "${RED} [-] telnet 安装包已存在 "
#else
#    yum -y install telnet > /dev/null 2>&1
#    log::info "${GREEN} [+] 安装基础依赖包 yum -y install telnet"
#fi

# 关闭防火墙
systemctl stop firewalld
log::info "${GREEN} [+] 关闭防火墙：systemctl stop firewalld "
systemctl disable firewalld > /dev/null 2>&1
log::info "${GREEN} [+] 禁止开机自启：systemctl disable firewalld "


# 安装docker

log::info "${GREEN} [+] 安装docker基础组件：yum -y install -y yum-utils device-mapper-persistent-data lvm2 --skip-broken"
yum -y install -y yum-utils device-mapper-persistent-data lvm2 --skip-broken


log::info "${GREEN} [+] 添加仓库：yum-config-manager --add-repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo"
yum-config-manager \
    --add-repo \
    https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

    
log::info "${GREEN} [+] 替换仓库：sed -i 's/download.docker.com/mirrors.aliyun.com docker-ce/g' /etc/yum.repos.d/docker-ce.repo"
sed -i 's/download.docker.com/mirrors.aliyun.com\/docker-ce/g' /etc/yum.repos.d/docker-ce.repo



log::info "${GREEN} [+] 创建缓存：yum makecache fast"
yum makecache fast

log::info "${GREEN} [+] 安装docker-ce引擎：yum install -y docker-c"
yum install -y docker-ce

log::info "${GREEN} [+] 创建docker目录：sudo mkdir -p /etc/docker"
sudo mkdir -p /etc/docker


sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://uj9wvi24.mirror.aliyuncs.com"]
}
EOF

log::info "${GREEN} [+] 重新加载docker：systemctl daemon-rerload"
systemctl daemon-reload


log::info "${GREEN} [+] 重新启动docker：systemctl restart docker"
systemctl restart docker
docker ps > /dev/null 2>&1
if [[ $? -eq 0 ]];then
    echo -e "[+] Docker install successed!"
else
    echo -e "[+] Docker install faild!"
fi


docker image ls | grep nginx > /dev/null 2>&1
if [[ $? -ne 0 ]];then
    log::err "${RED} [-] nginx镜像不存在${NC}"
fi