shell脚本安装MySQL（Docker版）_install_mysql.sh

install_mysql.sh

#!/bin/bash
<<INFO
AUTHOR:运维@小兵
DATE:2021-06-26
DESCRIBE:Docker方式安装MySQL
SYSTEM:CentOS7/RedHat7
WARNING:
MODIFY:
INFO

set -e

#环境检查[ERROR] 
Check_Env() {
    echo "[INFO] Begin Check Env..."
    ! command -v ss &> /dev/null && echo "[ERROR] ss Command Not Exist" && exit 1
    if ss -nutlp | grep -w ":${MYSQL_PORT}"  &> /dev/null;then
        echo "[ERROR] ${MYSQL_PORT} Is Used" && exit 1
    fi
    [[ ! -d ${MYSQL_DATA_DIR} ]] && mkdir -p ${MYSQL_DATA_DIR}
    if ! command -v docker &> /dev/null;then
        echo "[ERROR] Please Install Docker" && exit 1
    fi
}

#配置docker
Config_Docker() {
   	mkdir -p /etc/docker
    if [[ -f /etc/docker/daemon.json ]];then
        [[ ! -f /etc/docker/daemon.json.bak ]] && cp /etc/docker/daemon.json{,.bak}
    fi
    tee /etc/docker/daemon.json << EOF
{
    "registry-mirrors": ["https://8auvmfwy.mirror.aliyuncs.com"],
    "storage-driver":"overlay2",
    "log-driver": "json-file",
    "log-opts": {
        "max-size": "50m",
        "max-file":"3"
    }
}
EOF
    systemctl restart docker
}

#拉取镜像
Pull_Image() {
    echo "[INFO] Begin Pull Image ${IMAGE_ADDR}..."
    Config_Docker
    docker pull ${IMAGE_ADDR}
}

#准备MySQL的配置文件
Prepare_Mysql_Conf() {
    echo "[INFO] Begin Prepare MySQL ${MYSQL_VERSION} Conf..."
    mkdir -p ${MYSQL_DATA_DIR}/conf
    if [[ ${MYSQL_VERSION} == "5.7.32" ]];then
        cat > ${MYSQL_DATA_DIR}/conf/my.cnf << EOF
[mysqld]
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
datadir         = /var/lib/mysql
log-error       =/var/lib/mysql/mysqld.log

plugin-load = validate_password.so
validate-password = OFF
character_set_client_handshake = FALSE
character_set_server = utf8mb4
collation-server = utf8mb4_bin
init_connect='SET NAMES utf8mb4 COLLATE UTF8MB4_BIN'
max_connections = 3000
wait_timeout = 3600
transaction_isolation = READ-COMMITTED
innodb_log_buffer_size = 167772160
innodb_log_file_size = 1024M
innodb_buffer_pool_size = 2G
innodb_strict_mode = 0
innodb_flush_log_at_trx_commit = 1
binlog_format = row
sync_binlog  =  1
max_heap_table_size = 512M
max_allowed_packet = 512M
lower_case_table_names = 0
skip_name_resolve
EOF
    elif [[ ${MYSQL_VERSION} == "8.0.29" ]];then
        cat > ${MYSQL_DATA_DIR}/conf/my.cnf << EOF
[mysqld]
pid-file        = /var/run/mysqld/mysqld.pid
socket          = /var/run/mysqld/mysqld.sock
datadir         = /var/lib/mysql
log-error       =/var/lib/mysql/mysqld.log

default_time_zone='+08:00'
default_authentication_plugin='mysql_native_password'
character_set_client_handshake = FALSE
character_set_server = utf8mb4
#character_set_system = utf8
collation_server = utf8mb4_bin
init_connect='SET NAMES utf8mb4 COLLATE UTF8MB4_BIN'
secure-file-priv= NULL
max_connections = 3000
wait_timeout = 3600
transaction_isolation = READ-COMMITTED
innodb_log_buffer_size = 167772160
innodb_log_file_size = 1024M
innodb_strict_mode = 0
innodb_flush_log_at_trx_commit = 1
binlog_format = row
sync_binlog  =  1
max_heap_table_size = 512M
max_allowed_packet = 512M
lower_case_table_names = 0
skip_name_resolve

# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0
# Custom config should go here
!includedir /etc/mysql/conf.d/
EOF
    fi
}

#安装MySQL容器
Install_Mysql() {
    Check_Env
    Pull_Image
    Prepare_Mysql_Conf
    echo "[INFO] Begin Install Mysql ${MYSQL_VERSION}..."
    mkdir -p ${MYSQL_DATA_DIR}/{data,conf}
    docker run -d --name=${MYSQL_CONTAINER_NAME} --restart unless-stopped \
    -v ${MYSQL_DATA_DIR}/data:/var/lib/mysql \
    -v ${MYSQL_DATA_DIR}/conf/my.cnf:/etc/mysql/my.cnf \
    -v /etc/localtime:/etc/localtime \
    -p ${MYSQL_PORT}:3306 \
    -e MYSQL_ROOT_PASSWORD="${MYSQL_ROOT_PASSWORD}" \
    ${IMAGE_ADDR} \
    --character-set-server=utf8mb4
    sleep 25
    if ${MYSQL_CMD} -e 'show databases;' &> /dev/null;then
        echo "[INFO] Install Mysql ${MYSQL_VERSION} Success"
    else
        echo "[ERROR] Install Mysql ${MYSQL_VERSION} Fail" && exit 1
    fi
}

#卸载MySQL
Uninstall_Mysql() {
    read -p "数据无价，请确认是否执行卸载,(yes/no)": select
    case ${select} in
    yes)
        if docker ps | egrep -w "\b${MYSQL_CONTAINER_NAME}$" &> /dev/null;then
            docker rm -f ${MYSQL_CONTAINER_NAME}
            rm -rf ${MYSQL_DATA_DIR}
            echo "[INFO] ${MYSQL_CONTAINER_NAME} Container uninstall Success" && exit 0
        else
            echo "WARN:${MYSQL_CONTAINER_NAME} Container Is Without" && exit 0
        fi
        ;;
    no)
        exit 0;;
    *)
        echo "[ERROR] Input Is Invalid" && exit 1
    esac
}

######################主程序######################
[[ $# -ne 2 ]] && echo "[ERROR] Invalid Param!!! eg:bash $0 (install/uninstall) 数据库版本" && exit 1
MYSQL_VERSION="$2"
MYSQL_IP=`ip addr |awk '/inet /' |sed -n '2p' |awk -F' ' '{print $2}' |awk -F'/' '{print $1}'`
MYSQL_PORT="3306"
MYSQL_DATA_DIR="/data/mysql"
MYSQL_CONTAINER_NAME="mysql"
MYSQL_ROOT_PASSWORD="devops"
IMAGE_ADDR="mysql:${MYSQL_VERSION}"
MYSQL_CMD="mysql -h${MYSQL_IP} -P${MYSQL_PORT} -uroot -p${MYSQL_ROOT_PASSWORD}"
case $1 in
install)
    Install_Mysql;;
uninstall)
    Uninstall_Mysql;;
*)
    echo "[ERROR] Invalid Param!!! eg:bash $0 install or uninstall" && exit 1
esac    
 
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示例

bash install_mysql.sh install 8.0.29
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