A cluster enabled with
vSphere with Tanzu is called a Supervisor Cluster. The cluster is at the base of the vSphere with Tanzu providing the necessary components and resources for running workloads that include vSphere Pods, VMs, and Tanzu Kubernetes clusters.
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vSphere with Tanzu Architecture When vSphere with Tanzu is enabled on a vSphere cluster, it creates a Kubernetes control plane inside the hypervisor layer. This layer contains specific objects that enable the capability to run Kubernetes workloads within ESXi.
Tanzu Kubernetes Grid Service Architecture The Tanzu Kubernetes Grid Service provides self-service lifecycle management of Tanzu Kubernetes clusters. You use the Tanzu Kubernetes Grid Service to create and manage Tanzu Kubernetes clusters in a declarative manner that is familiar to Kubernetes operators and developers.
Tanzu Kubernetes Cluster Tenancy Model The Supervisor Cluster is the management plane for Tanzu Kubernetes clusters provisioned by the Tanzu Kubernetes Grid Service. The tenancy model is enforced using a vSphere Namespace where Tanzu Kubernetes clusters reside.
vSphere with Tanzu Authentication As a vSphere administrator, you need privileges to configure a Supervisor Cluster and to manage namespaces. You define permissions on namespaces to determine which DevOps engineers can access them. As a DevOps engineer, you authenticate with the Supervisor Cluster by using your vCenter Single Sign-On credentials, and can access only the namespaces for which you have permissions.
vSphere with Tanzu Networking A Supervisor Cluster can either use the vSphere networking stack or VMware NSX-T™ Data Center to provide connectivity to Kubernetes control plane VMs, services, and workloads. The networking used for Tanzu Kubernetes clusters provisioned by the Tanzu Kubernetes Grid Service is a combination of the fabric that underlies the vSphere with Tanzu infrastructure and open-source software that provides networking for cluster pods, services, and ingress.
vSphere with Tanzu Security vSphere with Tanzu leverages vSphere security features and provisions Tanzu Kubernetes clusters that are secure by default.
vSphere with Tanzu Storage vSphere with Tanzu uses storage policies to integrate with shared datastores available in your environment, including VMFS, NFS, vSAN, or vVols datastores. The policies represent datastores and manage the storage placement of such objects as control plane VMs, pod ephemeral disks, container images, and persistent storage volumes. If you use Tanzu Kubernetes clusters, the storage policies also dictate how the Tanzu Kubernetes cluster nodes are deployed.