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New to KubeDB? Please start here.

Reconfigure TLS MySQL

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

Before You Begin

How Reconfiguring MySQL TLS Configuration Process Works

The following diagram shows how the KubeDB enterprise operator reconfigure TLS of the MySQL database server. Open the image in a new tab to see the enlarged version.

reconfigure tls
Fig: Vertical scaling process of MySQL

The Reconfiguring MySQL TLS process consists of the following steps:

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

  2. KubeDB Community operator watches the MySQL CRO.

  3. When the operator finds a MySQL 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 MySQL database the user creates a MySQLOpsRequest CR with desired information.

  5. KubeDB Enterprise operator watches the MySQLOpsRequest CR.

  6. When it finds a MySQLOpsRequest CR, it pauses the MySQL object which is referred from the MySQLOpsRequest. So, the KubeDB Community operator doesn’t perform any operations on the MongoDB 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 MongoDBOpsRequest CR.

  9. After the successful reconfiguring of the MySQL TLS, the KubeDB Enterprise operator resumes the MySQL 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 of MySQL database using reconfigure-tls operation.

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