Serena Blog

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Data Plane Setting Up in Istio

summary: in the post, we will profile how data plane is setup when Istio works both in simple Istio and CNI plugin mode. Concerning simple Istio, a istio-init is injected into ap...

Posted by serena on April 23, 2020

Deep Dive kube-proxy with iptables mode

summary: in Kubernetes, a Service is a L4(TCP/UDP/SCTP) load balancer, it uses the DNAT to redirect inbound traffic to backend pods. The redirecting is performed by kube-proxy, ...

Posted by serena on March 26, 2020

Kubernetes Admission Webhook Inspect

How Admission Webhook works in Kubernetes

summary: in this article, we will inspect how admission webhook events are handled by Kubernetes, and explain how admission webhook is developed with the help of client-go and apimachinay....

Posted by serena on April 25, 2019

Istio sidecar-injector-webhook Inspect

How sidecar-injector-webhook works in Istio

As mentioned in the previous blog, Istio leverage the MutatingAdmissionWebhook to implement automatic sidecar injection. In this article, we will introduce how the automatic injection works through...

Posted by serena on April 15, 2019

Istio sidecar-injector overview

How to inject sidecar containers in Istio

update: The journey of Istio begins To be a Istio mesh pod, the sidecar containers must be injected in every pod. This is done automatically or manually. Sidecar containers During the injectin...

Posted by serena on April 10, 2019

Blog Journey Starts

Blog journey starts!

Posted by Serena Blog on April 9, 2019

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