• Hosted a meetup and conference for sharing and discussing everything related to cloud native and Kubernetes ecosystem. • Hosted a workshop to get local user on-boarded to Kubernetes experience. • Boosted a local community to contribute Kubernetes and
deployment. • Event: defines eventing rules for a bot instance. • EventBinding: defines the set of events to be used by the bot. You select Events to be bound using labels and label selectors. Bot, Event and EventBinding
extends the Kubernetes API to create, configure, and manage instances of complex stateful applications on behalf of a Kubernetes user. It builds upon the basic Kubernetes resource and controller concepts but includes domain or application-specific knowledge to automate common tasks.” —- Brandon Philips, CoreOS
watchers and event handlers) -> runs as a k8s pod/deployment. • API classes to specify a model that represents the data in the CRD. • Internal Model Objects to manipulate the k8s client to create, update and delete resources based on state. • Hides raw complexities of controllers. • Used to build native Kubernetes applications. Parts of the Operator
converge the system to the desired state from the actual state. Custom Controllers • Automate administration tasks as if they were a native Kubernetes component. • State-of-the-art for building distributed apps in Kubernetes. • Interact with the Kubernetes API server.
manages (optional). • Controller for listening and dispatching events (uses informers, watchers and event handlers) -> runs as a k8s pod/deployment. • API classes to specify a model that represents the data in the CRD. • Internal Model Objects to manipulate the k8s client to create, update and delete resources based on state. • Events: • Added • Updated • Deleted Parts of the Operator
pod, modification of configmap, deletion of persistent volume). • List resources. • Get details about current resource state. • Creates custom controller. client-go https://github.com/kubernetes/client-go
• Code generation can be done using k8s code generation scripts. • Generation of typed: • Clientsets • Informers • Listers • This should be part of your build process. https://github.com/kubernetes-client/gen https://github.com/kubernetes/code-generator Code Generation