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Reconfiguring TLS of MongoDB Database

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

Before You Begin

How Reconfiguring MongoDB TLS Configuration Process Works

The following diagram shows how KubeDB Ops-manager operator reconfigures TLS of a MongoDB database. Open the image in a new tab to see the enlarged version.

  Reconfiguring TLS process of MongoDB
Fig: Reconfiguring TLS process of MongoDB

The Reconfiguring MongoDB TLS process consists of the following steps:

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

  2. KubeDB Provisioner operator watches the MongoDB CRO.

  3. When the operator finds a MongoDB 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 MongoDB database the user creates a MongoDBOpsRequest CR with desired information.

  5. KubeDB Ops-manager operator watches the MongoDBOpsRequest CR.

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

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

  8. Then the KubeDB Ops-manager 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 MongoDB TLS, the KubeDB Ops-manager operator resumes the MongoDB object so that the KubeDB Provisioner 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 MongoDB database using MongoDBOpsRequest CRD.

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