Setup Mysql 5.7 from Source Code

setup_mysql5.7_source.sh

#!/bin/bash
# This script used to install Mysql 5.7 
# from source Code
# Author Mansur Ul Hasan
# mansurali901@gmail.com

# Environment Function 

PrepBuildEnvFunc () {
    
    echo "Installing Required packages for MySql"
    apt-get update -y
    apt-get install libreadline6-dev libncurses5-dev build-essential cmake make wget unzip zip -y
    
    ## Some Additional Packages 
    apt-get install libaio1 libcgi-fast-perl libcgi-pm-perl libencode-locale-perl libevent-core-2.0-5 libfcgi-perl libhtml-parser-perl libhtml-tagset-perl libhtml-template-perl libhttp-date-perl libhttp-message-perl libio-html-perl liblwp-mediatypes-perl libtimedate-perl liburi-perl -y
}

## Building Operating System 
PrepApp () {
    #s Add Users and Group 
    usergroup mysql
    useradd -r -U mysql -M -d /var/lib/mysql
}

PreSrc () {
echo "Downloading Source Code"
    wget https://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.21.zip
    unzip mysql-5.7.21.zip
    
    echo "
    ===============================================================
    | Mysql Installation Script
    | Note : This will take long in building and compiling 
    |        Ensure that you have backup power.
    ==============================================================="
    # Boost is platform used by CMAKE to build Framework 
    cd /root/mysql-5.7.21/
    mkdir /usr/local/boost_1_59_0/
    cmake . -DDOWNLOAD_BOOST=1 -DWITH_BOOST=/usr/local/boost_1_59_0/
    
    ### Creating platform for MySql Installation with CMAKE and BOOST 
        cmake \
        -DCMAKE_INSTALL_PREFIX=/usr/local/src/mysql-5.7.21 \
        -DWITH_INNOBASE_STORAGE_ENGINE=1\
        -DDEFAULT_CHARSET=utf8 \
        -DDEFAULT_COLLATION=utf8_general_ci \
        -DMYSQL_UNIX_ADDR=/tmp/mysql.sock \
        -DSYSCONFDIR=/etc \
        .

      # After buiding platform Framwork we need to install 
      # Binaries using the CMAKE & Boost
        make
        make install
}

PostInstProc () {
      # Post Installation process started 
      # Creating Required directories 
      # Copying configuration files to 
      # desired locations.
      
        ln -s /usr/local/src/mysql-5.7.21 /usr/local/mysql
        cd /usr/local/mysql
      # Updating Mysql Configuration File.
        wget https://gist.githubusercontent.com/mansurali901/d4f6d63439d5be3d60ec53d032cec8e1/raw/86a6ec4d260a76ef8264f50f1e1d3be2cb3384ad/my.cnf
        cp my.cnf /etc/my.cnf
        echo "character-set-server = utf8" >> /etc/my.cnf
        echo "collation-server = utf8_general_ci" >> /etc/my.cnf
        echo "character-set-client-handshake = false" >> /etc/my.cnf
        
        # Updating Data directory and PID path Location 
        sed -i 's/datadir=data/datadir=\/usr\/local\/mysql\/data/g' /etc/my.cnf
        sed -i 's/\/var\/run\/mysqld\/mysqld.pid/\/tmp\/mysqld.pid/g' /etc/my.cnf
        touch /var/log/mysqld.log ; chown root:mysql /var/log/mysqld.log ;chmod g+w  /var/log/mysqld.log 
        
        # Data Directory location creation and Permission Setup 
        mkdir /usr/local/mysql/data
        chown -R root:mysql /usr/local/mysql
        cd /usr/local/mysql;chown -R root:mysql data/ 

        # Initializing Mysql for first time 
        echo "
        #########################################
        Mysql going to initialize please note that
        this will generate a temporary password 
        which can be used to login first time after
        Successful login first change password.
        #########################################
        "
        /usr/local/mysql/bin/mysqld --initialize 
        tail -f /var/log/mysqld.log
        
        echo "Mysql has been installled please use temp password.."
        
        # Copying Serice files.
        cp /usr/local/mysql/support-files/mysql.server /etc/init.d/
        ln -s /etc/init.d/mysql.server /etc/rc2.d/S90mysql
        
        # Exporting Environmental variable 
        echo "export PATH=/usr/local/mysql/bin:$PATH" >> /etc/profile
        
        # Starting MySql 
        /usr/local/src/mysql-5.7.21/bin/mysqld --user=mysql &
}

MainFunc () {
        # Calling all Functions 
        PrepBuildEnvFunc
        PrepApp
        PreSrc
        PostInstProc
}

MainFunc