One click compilation and deployment of MySQL

#!/bin/bash
#  A key to install mysql5.7.35

# Installation package download directory 
MYSQL_DOWNLOAD_DIR=/data/software/
# Package directory 
MYSQL_INSTALL_DIR=/data/modules/

# database information 
info_mysql(){
    echo "======> MYSQL Installation information  <======";
    echo "Mysql edition :5.7.35 ";
    echo " Download directory :/data/software/ ";
    echo " The installation directory :/data/modules/ ";
}

# Old edition mysql
uninstall_mysql(){
    echo "\n======> MYSQL Installation preparation  <======";
    echo " Residual Mysql testing ......."
    echo " Uninstall the old version mysql......."
    echo [+] Uninstall Mysql
    yum remove mysql* -y
    yum remove mariadb* -y
    if [ -f "/etc/my.cnf" ];then
        rm -rf /etc/my.cnf
    fi

    if [ -f "/root/.mysql_sercret" ];then
        rm -rf /root/.mysql_sercret
    fi

    if [ -d "/var/lib/mysql" ];then
        rm -rf /var/lib/mysql
    fi
 
    if [ -d "/usr/lib64/mysql" ];then
        rm -rf /usr/lib64/mysql
    fi
 
    if [ -d "/usr/share/mysql" ];then
        rm -rf /usr/share/mysql
    fi
    echo " Uninstall completed !"
}
 
# download mysql
IS_CINTINUE='y';
download_mysql(){
    echo " Installation directory detection ......."
    if [ ! -d "/data/software" ]; then
        echo " Create download directory ......."
        mkdir -p /data/software/
    fi
    if [ ! -d "/data/modules/mysql/" ]; then
        echo " Create a data directory ......."
        mkdir -p /data/modules/
    fi
    echo "  Catalog ready  !";
    echo "======> MYSQL setup script  <======";
    cd /data/software/
    read -p "  Confirm the installation ？【y/n】" IS_CINTINUE
    if [[ $IS_CINTINUE == 'y' ]]; then
        echo " One moment please , About need 20 minute , Downloading MYSQL.......";
        cd /data/software/
        file="/data/software/mysql-boost-5.7.35.tar.gz"
        if [ ! -f $file ]; then
            echo "File not found!"
            yum install -y wget && wget -c https://cdn.mysql.com/archives/mysql-5.7/mysql-boost-5.7.35.tar.gz;
            echo " Download complete , Decompressing .......";
            tar -zxvf mysql-boost-5.7.35.tar.gz -C /data/modules/
            cd /data/modules/
            mv /data/modules/mysql-5.7.35/ mysql
            exit 0
        fi
        echo " Unzip complete , Execution and installation .......";
        
        #yum install -y wget && wget -c https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.35-el7-x86_64.tar.gz;
    else
        echo " Please download the installation package by yourself ！";
        exit;
    fi

}

# install mysql
install_mysql(){
    echo "======>  install mysql rely on ....... <======";
    yum -y install gcc gcc-devel gcc-c++ gcc-c++-devel autoconf* automake* zlib* libxmlncurses-devel ncurses libgcrypt libtool* cmake openssl openssl-devel bisonbison-devel perl-Data-Dumper boost boost-doc boost-devel
    yum -y install gcc make cmake ncurses-devel libxml2-devel libtool-ltdl-devel gcc-c++ autoconf automake bison zlib-devel
    echo "======>  Settings before installation  <======";
    sleep 2s
    cd /data/modules/mysql/
    mkdir data
    sleep 2s
    cmake -DCMAKE_INSTALL_PREFIX=/data/modules/mysql/ \
    -DMYSQL_DATADIR=/data/modules/mysql/data \
    -DSYSCONFDIR=/etc \
    -DWITH_MYISAM_STORAGE_ENGINE=1 \
    -DWITH_INNOBASE_STORAGE_ENGINE=1 \
    -DWITH_MEMORY_STORAGE_ENGINE=1 \
    -DWITH_READLINE=1 \
    -DMYSQL_UNIX_ADDR=/tmp/mysqld.sock \
    -DMYSQL_TCP_PORT=3306 \
    -DWITH_BOOST=/data/modules/mysql/boost \
    -DENABLED_LOCAL_INFILE=1 \
    -DWITH_PARTITION_STORAGE_ENGINE=1 \
    -DEXTRA_CHARSETS=all \
    -DDEFAULT_CHARSET=utf8 \
    -DDEFAULT_COLLATION=utf8_general_ci
    echo "======>  establish mysql Users and groups  <======";
    cd /data/modules/mysql/
    sleep 2s
    make && make install
    groupadd mysql && useradd mysql -g mysql -M -s /sbin/nologin && chown mysql:mysql /data/modules/mysql/
    # if [ $? -eq 0 ];then
    #         echo "======>  Set up the success ！ Start compilation and installation , About need 20 minute , Wait patiently ...<======";
    #         sleep 2s
    #         make && make install
    #         if [ $? -eq 0 ]; then
    #             cd ~
    #             echo "======>  Compile successfully ！ Start setting up groups and users ！ <======";
    #             sleep 2s
    #             groupadd mysql && useradd mysql -g mysql -M -s /sbin/nologin && chown mysql:mysql /data/modules/mysql/
    #         else
    #             echo "======>  Compile failed ！ <======";
    #             exit;
    #         fi
    #     else
    #             echo "======>  Setup failed ！ <======";
    #             exit;
    # fi
    echo "======>  installation is complete ! <======";
}

# To configure Mysql
configuration_mysql(){

echo "======>  To configure mysql <======";
cd /data/modules/mysql/
touch mysql.pid
echo "10254" > /data/modules/mysql/mysql.pid
touch mysql.err
touch mysqld.sock
chown mysql:mysql /data/modules/mysql/mysql.pid
chown mysql:mysql /data/modules/mysql/mysql.err
chown mysql:mysql /data/modules/mysql/data/mysqld.sock
cat > /etc/my.cnf<<EOF
[client]
port            = 3306
socket          = /data/modules/mysql/data/mysqld.sock
[mysqld]
#server-id  = 6878                           # function ID
bind-address=0.0.0.0                        # Bind address to run remote connection 
port=3306                                   #Mysql Open port 
user=mysql                                  # Database login user 
basedir=/data/modules/mysql/                #Mysql The absolute path of the installation 
datadir=/data/modules/mysql/data            #Mysql The absolute path of data storage 
socket=/data/modules/mysql/data/mysqld.sock # Socket file 
log-error=/data/modules/mysql/mysql.err     #mysql The path where the generated error log is stored 
pid-file=/data/modules/mysql/mysql.pid      # by mysqld The program specifies a storage process ID The file of 
character_set_server=utf8                   # Database character coding 
symbolic-links=0                            # Whether to turn on the link symbol 
explicit_defaults_for_timestamp=true        # database timestamp Columns of type are automatically updated   
EOF


sleep 2s
echo " initialization mysql.......";
cd /data/modules/mysql/bin
./mysqld --defaults-file=/etc/my.cnf --basedir=/data/modules/mysql/ --datadir=/data/modules/mysql/data/ --user=mysql --initialize
ln -s  /data/modules/mysql/bin/mysql    /usr/bin
}

# take mysql Set as service startup 
service_mysql(){
    echo "======>  The production service starts  <======";
    cd /data/modules/mysql
    /bin/cp -rf support-files/mysql.server /etc/init.d/mysqld
    chmod a+wrx /etc/init.d/mysqld
    if [ $? -eq 0 ]; then
        echo "======>  Service setup succeeded ！ <======";
        cd ~
        service mysqld start
        sleep 2s
        service mysqld stop
        sleep 2s
    else
        echo "======>  Service setting failed ！ <======";
    fi

    echo "======>  Add to boot entry ！ <======";
    chkconfig --add mysqld
    if [ $? -eq 0 ]; then
        echo "======>  Set the startup item successfully ！ <======";
    else
        echo "======>  Failed to set boot entry ！ <======";
    fi
    service mysqld stop
    echo "======>  Configure environment variables  <======";
    echo "export PATH=$PATH:/data/modules/mysql/bin/" >>/etc/profile
    source /etc/profile
    echo " start-up mysql service ....... ";
    service mysqld start
    echo "Mysql Has been launched ....... ";
}


# Start the database and set the password 
# mysql_password='123456'
# up_mysql(){
#     cd /data/modules/mysql/
#     echo "======>  Please enter the database password : <======";
#     read -p " Input password ：" -s mysql_password echo
#     echo password read, is "$mysql_password"
#     # read -p "  Confirm the installation ？【y/n】" IS_CINTINUE
#     # ./bin/mysqladmin -u root password "123456"
#     if [ $? -eq 0 ];then
#         echo " Set up root The password succeeded ！";
#     else
#         echo " Set up root Password failed ！";
#     fi
#     source /etc/profile
# }

# End installation 
end_mysql(){
    echo " Operation port : 3306"
    echo " Database users : mysql"
    echo " database root password ([email protected] Back ):"
    cat /data/modules/mysql/mysql.err | grep [email protected]:
    echo " Database installation path : /data/modules/mysql/  "
    echo " Database data path : /data/modules/mysql/data  "
    mysql -uroot -p
}

# The installation process 
mysql(){
    # database information 
    info_mysql
    # Uninstall the old database 
    uninstall_mysql
    # Download Database 
    download_mysql
    # mount this database 
    install_mysql
    # Configuration database 
    configuration_mysql
    # The database starts as a service 
    service_mysql
    # start-up MySQL Set the password 
    # Display database information 
    info_mysql
    end_mysql

}
mysql