Site Reliability Engineer Blog

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📁 LATEST_PUBLICATIONS (67 ENTRIES)

SORT: TIME_DESC

[2020-06-06] 6 MIN READ CAT: Kubernetes, Monitoring, Programming

Integrating Flask with Jaeger tracing on Kuberentes

Distributed applications and microservices required high level of observability. In this article we will integrate a Flask micro framework with Jaeger tracing...

#Kubernetes #Monitoring #SRE

> execute read.sh →

[2020-05-20] 3 MIN READ CAT: Kubernetes

Backup and restore of Etcd cluster

Kubernetes disaster recovery plan is usually consist of backing up etcd cluster and having infrastructure as a code to provision new set of servers in the cloud....

#Backups #Disaster Recovery #etcd #Kubernetes #Velero

> execute read.sh →

[2020-05-19] 4 MIN READ CAT: Kubernetes

Having fun with Kubernetes deployment

If you need to have 2 pods from the start then it could be done in three easy steps: Notice use of --record=true to save the state of what caused the deployment...

#Kubernetes #Release process

> execute read.sh →

[2020-05-18] 3 MIN READ CAT: Kubernetes

How to check Kubernetes cluster health?

There are some essential tools to have a quick look at Kubernetes cluster health. Let's review them here. As a result you would be able quickly tell if cluster...

#Kubernetes

> execute read.sh →

[2020-05-17] 1 MIN READ CAT: Kubernetes, Vagrant

Multi node Kubernetes cluster on Vagrant

This is fast and easy way to install Kubernetes on Vagrant with Metrics server addon. At this point you would have one master node and two worker nodes ready.

#Kubernetes #Vagrant

> execute read.sh →

[2020-05-08] 1 MIN READ CAT: AWS, Kubernetes, Packer

Build Kubernetes control plane image with Packer

Steps to prepare single control plane image is quite simple: One unanswered question is: How to add additional control plane nodes and worker nodes which...

#AWS #Kubernetes #Packer

> execute read.sh →

[2020-04-27] 1 MIN READ CAT: AWS, Kubernetes, Open Source, Personal, Programming

Practical guide to Kubernetes Certified Administration exam

I have published practical guide to Kubernetes Certified Administration exam https://github.com/vorozhko/practical-guide-to-kubernetes-administration-exam

#AWS #Kubernetes #Open Source

> execute read.sh →

[2020-04-21] 2 MIN READ CAT: AWS, Kubernetes, Monitoring

Disaster recovery of single node Kubernetes control plane

There are many possible root causes why control plane might become unavailable. Lets review most common scenarios and mitigation steps. AWS Cloudwatch approach...

#AWS #Kubernetes

> execute read.sh →

[2020-04-16] 1 MIN READ CAT: Kubernetes, SRE

Thoughts on High available Kubernetes cluster with single control plane node

#Kubernetes

> execute read.sh →

[2019-12-14] 2 MIN READ CAT: Programming

Go http middleware chain with context package

Middleware is a function which wrap http.Handler to do pre or post processing of the request. Chain of middleware is popular pattern in handling http requests in...

#Golang

> execute read.sh →