How To Troubleshoot Network Connections On Your Kubernetes Workloads
Discover Mizu: Traffic Viewer for Kubernetes to ease this challenge and improve your daily work.
One of the most common things we have to do when testing and debugging our cloud-native workloads on Kubernetes is to check the network communication.
It could be to check the incoming traffic you are getting so we can inspect the requests we are receiving and see what we are replying to and similar kinds of use-cases. I am sure this sounds familiar to most of you.
I usually solve that using tcpdump on the container, similar to what I would do in a traditional environment, but this is not always easy. Depending on the environment and configuration, you cannot do so because you need to include a new package in your container image, do a new deployment, so it is available, etc.
So, to solve that and other similar problems, I discovered a tool named Mizu, which I would like to have found a few months ago because it would help me a lot. Mizu is precisely that. In its own words:
Mizu is a simple-yet-powerful API traffic viewer for Kubernetes, enabling you to view all API communication between microservices across multiple protocols to help you debug and troubleshoot…
