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KOBE operator

The KOBE operator acts as the orchestrator of the different components needed for a KOBE experiment to be deployed in a cluster of machines.

The KOBE operator implements the custom logic needed to react in those KOBE-specific resources changes and maintain the necessary services in Kubernetes.

Once installed, the KOBE operator provides the following features:

  • Monitors for new benchmark and experiment submissions to the Kubernetes cluster and triggers the deployment of the appropriate pods.
  • Handles the initialization of the data sources and federators including the data import and metadata generation.
  • Configures the network connections between the pods to realize simulated network delays.

API

To learn more about the CRDs have a look at the API doc.

Installation of the operator

NOTE

This is a guide for installing the KOBE operator only in a Kubernetes cluster. If you are looking for the installation of the entire KOBE system please consult the top-level README.

Prerequisites

  • Kubernetes >= 1.8.0
  • nfs-commons installed in the nodes of the cluster. If in debian or Ubuntu you can install it using apt-get install nfs-common

Deployment

To quickly install the KOBE operator in a Kubernetes cluster, run the following commands:

kubectl apply -f deploy/crds
kubectl apply -f deploy/service_account.yaml
kubectl apply -f deploy/clusterrole.yaml
kubectl apply -f deploy/clusterrole_binding.yaml
kubectl apply -f deploy/role.yaml
kubectl apply -f deploy/operator.yaml

Removal of the operator

kubectl delete -f deploy/operator.yaml
kubectl delete -f deploy/role.yaml
kubectl delete -f deploy/clusterrole_binding.yaml
kubectl delete -f deploy/clusterrole.yaml
kubectl delete -f deploy/service_account.yaml
kubectl delete -f deploy/crds