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Displaying posts with tag: Kubernetes (reset)
Least Privilege for Kubernetes Resources and Percona Operators

Operators hide the complexity of the application and Kubernetes. Instead of dealing with Pods, StatefulSets, tons of YAML manifests, and various configuration files, the user talks to Kubernetes API to provision a ready-to-use application. An Operator automatically provisions all the required resources and exposes the application. Though, there is always a risk that the user would want to do something manual that can negatively affect the application and the Operator logic.

In this blog post, we will explain how to limit access scope for the user to avoid manual changes for database clusters deployed with Percona Operators. To do so, we will rely on Kubernetes Role-based Access Control (RBAC).

The goal

We are going to have two roles: …

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Coroot – The Next Level in Kubernetes Observability

To follow up on my previous Kubernetes articles:

I would like to introduce a project which brings Kubernetes observability to the next …

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Announcing Vitess 15

Vitess 15 is now generally available, with a number of new enhancements designed to make Vitess easier to use, more resilient, and easier to scale! VTOrc release # VTOrc, a Vitess-native cluster monitoring and recovery component, is now GA. VTOrc monitors and repairs Vitess clusters, eliminating paging and manual intervention and automating recovery. This makes Vitess fully self-healing and resilient to MySQL server failures. It also obsoletes the third-party integration with Orchestrator that users have traditionally relied on to recover from MySQL server failures.

Kubernetes: Getting Started With a Minimal MySQL Installation

This week is KubeCon in Detroit, and in preparation for attending I have been polishing up my Kubernetes skills. This big rush to put software in containers and have Kubernetes run everything is getting a lot of push in the industry. Many software applications run perfectly well in ready-made packages from a container made for ephemeral consumption much like a can of Campell’s tomato soup. But generally, relational databases like permanence, stability, and a consistent presence. Databases like to run to stock caches and build statistics, so they are not great at running well after being started. But this article is the first in a series for ‘us’ database folks to learn how to keep our databases happy in a containerized world.

With the trip to the Motor City on my calendar, it was time to answer the question “What is the minimalist …

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Using Percona Kubernetes Operators With K3s Part 2: Percona Server for MySQL Operator

As we have Kubernetes installed in part one (see Using Percona Kubernetes Operators With K3s Part 1: Installation), now we will install Percona Server for MySQL Operator into the running cluster.

I will copy some ideas from Peter’s Minukube tutorial (see Exploring MySQL on Kubernetes with Minkube).

In this case, I will use not Percona XtraDB Cluster Operator but a regular Percona Server for MySQL with Asynchronous replication.

We have recently released version 0.3.0 and it is still in the technical preview state, so we are actively looking for more feedback!

If we go with all …

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Managing MySQL Configurations with the PXC Kubernetes Operator V1.10.0 Part 3: Conclusion

In part one and part two of this series, we introduced the different ways to manage MySQL configurations and precedence when using the Percona XtraDB Cluster (PXC) object and ConfigMap. In this post, we will see the precedence when secrets are used for MySQL configurations in Percona Operator for MySQL based on Percona XtraDB Cluster.

CASE-4: Secret with name cluster1-pxc and ConfigMap with name cluster1-pxc but without configuration in PXC object

When the MySQL configuration is present in the ConfigMap and secret but not in the PXC …

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Managing MySQL Configurations with the PXC Kubernetes Operator V1.10.0 Part 2: Walkthrough

In part one of this series, we introduced the different ways to manage MySQL configurations. In this post, we will walk through different possibilities and the changes happening while modifying MySQL configurations with the operator.

Percona Distribution for MySQL Operator based on Percona XtraDB Cluster (PXC) provides three ways for managing MySQL, but the question is, what is the precedence among options? We will walk through several cases of using MySQL configs. For the sake of simplicity, we will play with the values of the Galera cache to see the effects.

configuration: |
   [mysqld] …
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Managing MySQL Configurations with the PXC Kubernetes Operator V1.10.0 Part 1: Introduction

Introduction/FAQ

Question: I need to run a production-grade open source MySQL DB.

Answer: Percona to the rescue! Percona XtraDB Cluster (PXC) is an open source enterprise MySQL solution that helps you to ensure data availability for your applications while improving security and simplifying the development of new applications in the most demanding public, private, and hybrid cloud environments

Question: I forgot to mention that I need to run it on Kubernetes.

Answer: Percona to the rescue again! Percona Distribution for MySQL Operator based on Percona XtraDB Cluster contains everything you need to quickly and consistently deploy and scale Percona XtraDB …

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Exploring MySQL on Kubernetes with Minkube

In this blog post, I will show how to install the MySQL-compatible Percona XtraDB Cluster (PXC) Operator on Minikube as well as perform some basic actions.   I am by no means a Kubernetes expert and this blog post is the result of my explorations preparing for a local MySQL Meetup, so if you have some comments or suggestions on how to do things better, please comment away!

For my experiments, I used Minikube version 1.26 with the docker driver in the most basic installation on Ubuntu 22.04 LTS, though it should work with other combinations, too. You also can find the official “Running Percona XtraDB Cluster on Minikube” documentation …

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Percona Operator for MySQL Supports Group Replication

There are two Operators at Percona to deploy MySQL on Kubernetes:

We wrote a blog post in the past explaining the thought process and reasoning behind creating the new Operator for MySQL. The goal for us is to provide production-grade solutions to run MySQL in Kubernetes and support various replication configurations:

  • Synchronous replication
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