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Reconfiguring TLS of MariaDB Database

This guide will give an overview on how KubeDB Ops Manager reconfigures TLS configuration i.e. add TLS, remove TLS, update issuer/cluster issuer or Certificates and rotate the certificates of a MariaDB database.

Before You Begin

• You should be familiar with the following KubeDB concepts:
  • MariaDB
  • MariaDBOpsRequest

How Reconfiguring MariaDB TLS Configuration Process Works

The following diagram shows how KubeDB Ops Manager reconfigures TLS of a MariaDB database. Open the image in a new tab to see the enlarged version.

  

The Reconfiguring MariaDB TLS process consists of the following steps:

1. At first, a user creates a MariaDB Custom Resource Object (CRO).

2. KubeDB Community operator watches the MariaDB CRO.

3. When the operator finds a MariaDB CR, it creates required number of StatefulSets and related necessary stuff like secrets, services, etc.

4. Then, in order to reconfigure the TLS configuration of the MariaDB database the user creates a MariaDBOpsRequest CR with desired information.

5. KubeDB Enterprise operator watches the MariaDBOpsRequest CR.

6. When it finds a MariaDBOpsRequest CR, it pauses the MariaDB object which is referred from the MariaDBOpsRequest. So, the KubeDB Community operator doesn’t perform any operations on the MariaDB object during the reconfiguring TLS process.

7. Then the KubeDB Enterprise operator will add, remove, update or rotate TLS configuration based on the Ops Request yaml.

8. Then the KubeDB Enterprise operator will restart all the Pods of the database so that they restart with the new TLS configuration defined in the MariaDBOpsRequest CR.

9. After the successful reconfiguring of the MariaDB TLS, the KubeDB Enterprise operator resumes the MariaDB object so that the KubeDB Community operator resumes its usual operations.

In the next docs, we are going to show a step by step guide on reconfiguring TLS configuration of a MariaDB database using MariaDBOpsRequest CRD.