Kubeless

Theory¶

Kubeless is the Kubernetes Native serverless framework
Allows to deploy functions without the need to build containers
These functions can be called via regular HTTP(S) calls or triggered by events submitted to message brokers like Kafka

Command	Description
`kubectl create ns kubeless`	Create a kubeless namespace where you will install the controller
`curl -sL https://github.com/kubeless/kubeless/releases/download/v0.3.0/kubeless-rbac-v0.3.0.yaml kubectl create -f -`	Install the latest stable version with a kubectl create command
`kubectl get pods -n kubeless`	List pods
`$ cat toy.py` `def handler(event):` `print event.json` `return event.json` `$ kubeless function` `deploy toy` `--runtime python2.7` `--handler toy.handler` `--from-file toy.py` `--trigger-http`	Deploy python function
`kubeless function` `update toy --from-file toy-update.py`	Update the function
`kubeless function ls`	List the function
`kubeless function` `call toy --data '{"hello":"world"}'`	Call the function
`kubeless function logs toy`	Get the logs of the function
`kubeless function describe toy`	Describe the function
`kubeless function delete toy`	Delete the function