Kubernetes Cloud Controller Manager for BizFlyCloud

bizfly-cloud-controller-manager is the Kubernetes cloud controller implmentation for BizFlyCloud. Read more about cloud controller managers here. Running bizfly-cloud-controller-manager allows you to leverage many of the cloud provider features offered by BizFlyCloud on your kubernetes clusters.

Getting Started

Requirements

At the current state of Kubernetes, running cloud controller manager requires a few things. Please read through the requirements carefully as they are critical to running cloud controller manager on a Kubernetes cluster on BizFlyCloud.

Parameters

This section outlines parameters that can be passed to the cloud controller manager binary.

--cloud-provider=external

All kubelets in your cluster MUST set the flag --cloud-provider=external. kube-apiserver and kube-controller-manager must NOT set the flag --cloud-provider which will default them to use no cloud provider natively.

WARNING: setting --cloud-provider=external will taint all nodes in a cluster with node.cloudprovider.kubernetes.io/uninitialized, it is the responsibility of cloud controller managers to untaint those nodes once it has finished initializing them. This means that most pods will be left unscheduable until the cloud controller manager is running.

In the future, --cloud-provider=external will be the default. Learn more about the future of cloud providers in Kubernetes here.

Deployment

Update file manifest/secret.yaml with your application credential.

apiVersion: v1
kind: Secret
metadata:
  name: bizflycloud
  namespace: kube-system
stringData:
  application_credential_id: "youremail@example.com"
  application_credential_secret: "yourPassWORD"

Run this command from the root of this repo:

kubectl apply -f manifest/secret.yaml

You should now see the bizflycloud secret in the kube-system namespace along with other secrets

root@master:~# kubectl -n kube-system get secret
NAME                                             TYPE                                  DATA   AGE
attachdetach-controller-token-9896p              kubernetes.io/service-account-token   3      14d
bizflycloud                                      Opaque                                2      10s

Create RBAC role and role binding

kubectl apply -f manifest/cloud-controller-manager-roles.yaml
kubectl apply -f manifest/cloud-controller-manager-role-bindings.yaml

Finally, run this command from the root of this repo to deploy BizFly Cloud Controller Manager as DaemonSet