diff --git a/docs/concepts/overview/components.md b/docs/concepts/overview/components.md index 7873b2863c9a1..070f9c9af8f3d 100644 --- a/docs/concepts/overview/components.md +++ b/docs/concepts/overview/components.md @@ -56,22 +56,18 @@ These controllers include: ### cloud-controller-manager -cloud-controller-manager is a binary that runs controllers which interact with -the underlying cloudproviders. This binary was introduced in kubernetes release 1.6 as a alpha feature. This binary exclusively -runs cloud specific controller loops only. Since this binary runs the cloudprovider specific controllers, these controller loops -need to be turned off in the kube-controller-manager. This can be done by setting the `--cloud-provider` flag to "external" when starting the -kube-controller-manager. - -This binary was introduced to allow cloud vendors and kubernetes core to evolve independent of each other. In the current model, kubernetes is -dependent on cloudprovider specific code to function. This code is a part of the core of kubernetes. In the future, cloud vendor specific code -will be maintained by the cloud vendor themselves and linked to the cloud-controller-manager while running kubernetes. - -The following controller have cloudprovider dependencies: - -* Node Controller: Responsible for checking cloudprovider to determine if a node has been deleted in the cloud after it stops responding -* Route Controller: Responsible for setting up routes in the underlying cloud infrastructure -* Service Controller: Responsible for creating, updating and deleting cloudprovider loadbalancers -* Volume Controller: Responsible for creating, attaching, and mounting volumes. These also interact with the cloudprovider +`cloud-controller-manager` is a binary that runs controllers that interact with the underlying cloud providers. The `cloud-controller-manager` binary is an alpha feature introduced in Kubernetes release 1.6. + +`cloud-controller-manager` runs cloud provider-specific controller loops only. As such, you must disable these controller loops in the `kube-controller-manager`. You can disable the controller loops by setting the `--cloud-provider` flag to `external` when starting the kube-controller-manager. + +`cloud-controller-manager` allows cloud vendors and kubernetes core to evolve independent of each other. In prior releases, the core Kubernetes code was dependent upon cloud provider-specific code for functionality. In future releases, code specific to cloud vendors should be maintained by the cloud vendor themselves, and linked to `cloud-controller-manager` while running Kubernetes. + +The following controllers have cloud provider dependencies: + +* Node Controller: For checking the cloud provider to determine if a node has been deleted in the cloud after it stops responding +* Route Controller: For setting up routes in the underlying cloud infrastructure +* Service Controller: For creating, updating and deleting cloud provider load balancers +* Volume Controller: For creating, attaching, and mounting volumes, and interacting with the cloud provider to orchestrate volumes ### kube-scheduler