A VMware is a server that helps install a shared physical server on which multiple virtual machines or VMs run. Every VM works with a separate operating system, meaning that this physical server allows various operating systems to run together. One will learn in a DevOps training in detail about VMware and how it can manage containerized workloads on Kubernetes servers.
Kubernetes is a platform that allows one to manage containerized applications. VMware provides these containers with an infrastructure with virtualization platforms, making it easier for enterprises to manage these containerized applications. VMware has supported Kuberkenets on its vSphere virtualization platform since 2019 using its ESXi hypervisor.
Tanzu, another platform by VMware, is a Kubernetes Grid Platform and allows users to manage clusters of Kubernetes that are compatible with upstream Kubernetes development. Furthermore, Tanzu will enable enterprises to run Kubernetes during production, allowing them to manage Kubernetes clusters across various VMware infrastructures, public clouds, and bare metal servers.
Both vSphere and Tanzu enable the management of Kubernetes on VMware. Therefore, one needs to understand how each of them works with Kubernetes for better execution.
The addition of Kubernetes APIs to vSphere has become deeply integrated with Kubernetes. Kubernetes APIs act has a control pane for vSphere, allowing users to use the services available on the VMware environment seamlessly like any other public cloud platform. This update has allowed vShpere to manage workloads like applications, VM, and applications without disruptions on its platform.
At the core of vSphere, the ESXi hypervisor works as a management agent. It is based on the Kubernetes kubelet. The hypervisor contains Kubernetes API, which lets it act as a local Kubernetes node, allowing it to connect clusters of Kubernetes in one place.
The ESXi hosts can run multiple containers on the hypervisor. This feature is possible due to adding the latest container runtime CRX to the vSphere. While using this approach, a user does not need to load the full Linux OS but can use a Linux kernel along with an init process to run Kubernetes.
While running Kubernetes on VMware, the vSphere has certain features that make it an efficient platform for this task. These features are :
Tanzu is a VMware platform that provides products and services to enterprises to enable them to build, run and manage the Kubernetes environment. One can use this modern cloud-native model to develop applications on this platform. Furthermore, one can also deploy any existing legacy applications alongside this application on the Tanzu platform. One can also run this platform on any OS and manage their Kubernetes framework.
Users can deploy Tanzu’s lifecycle management capabilities at their data center, edge, or public cloud server. Tanzu also ensures that all the Kubernetes clusters are centrally connected at a central point. This allows users to back up, access, and manage all the clusters in a centralized manner.
Some of the critical features of Tanzu that every DevOps engineer should be aware of are as follows:
Enterprises have used VMware to manage Kubernetes along with containerized workloads. Although this platform has many benefits, one may face challenges while running Kubernetes on VMware.
This is all one needs to know if they plan to run Kubernetes on VMware. As discussed earlier, managing Kubernetes is a complex task, and if a person wants to specialize in this, they need to take a DevOps Course.
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