Implementing a CNI plugin
Explore how to implement a custom CNI plugin in Kubernetes using a Golang scaffold or shell scripts. Learn to log network plugin invocations and troubleshoot network setups effectively by creating a debug plugin that captures CNI arguments and environments.
We'll cover the following...
Overview
The CNI is a Kubernetes networking framework that allows users to dynamically configure the container networking through a configuration file and a group of executable binaries. These binaries can be written with any language, such as Go, Bash, and so on. With the help of the CNI, we can opt-in our customizations to meet our business needs.
Various vendors and open-source projects provide dozens of network solutions and plugins to address different infrastructures and underlying environments. Most of the time, we don’t need to implement a CNI plugin on our own. Appropriate ...