MySQL

MySQL is the database service which is needed for the application. So we need to install it and configure it for the application to work.

Manual Steps to Install MySQL

As per the Application need, we are choosing MySQL 5.7 version.

1. Setup MySQL Repo

# echo '[mysql57-community]
name=MySQL 5.7 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
enabled=1
gpgcheck=0' > /etc/yum.repos.d/mysql.repo

2. Install MySQL

# yum remove mariadb-libs -y 
# yum install mysql-community-server -y 

3. Start MySQL.

# systemctl enable mysqld 
# systemctl start mysqld

4. Now a default root password will be generated and given in the log file.

# grep temp /var/log/mysqld.log

5. Next, We need to change the default root password in order to start using the database service.

# mysql_secure_installation

6. You can check the new password working or not using the following command.

# mysql -u root -p

7. Run the following SQL commands to remove the password policy.

> uninstall plugin validate_password;
> ALTER USER 'root'@'localhost' IDENTIFIED BY 'password';

Setup Needed for Application.

As per the architecture diagram, MySQL is needed by

• Shipping Service

So we need to load that schema into the database, So those applications will detect them and run accordingly.

To download schema, Use the following command

# curl -s -L -o /tmp/mysql.zip "https://github.com/roboshop-devops-project/mysql/archive/main.zip"

Load the schema for Services.

# cd /tmp
# unzip mysql.zip
# cd mysql-main
# mysql -u root -ppassword <shipping.sql