What is Google Kubernetes Engine?

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What is Google Kubernetes Engine?

Introduction to GCP:

Google is one of the most powerful computing engines in the world and we already are familiar with its email offering Google Mail or Gmail however Google is also one of the major players in Cloud Service Offerings. It provides you the infrastructure to host your applications and databases which Google already uses to serve its billions of customers. GCP provides various services in the field of Compute, Storage, Networking, Big Data, Machine Learning, and many more. It offers all three kinds of cloud-based services that is IAAS, PAAS, and SAAS. We will talk about one of the DevOps offerings of GCP that is Google Kubernetes Engine.

Key Features of GKE:

Kubernetes is an orchestration layer for managing your container clusters as the management of containers becomes a hefty task as your number of microservices increases. Kubernetes is a Portable, Extensible, and Open-Source Platform for managing Containers. However, managing Kubernetes is also one task Cloud Admins are afraid of as they need to take care of installation, Provisioning, Upgrades, SLA, and Scalability of Kubernetes Cluster. Google Kubernetes Engine is a managed service for advanced cluster management, easy cluster creation, load balancing of containers, auto-scaling of Kubernetes cluster, auto upgrades, auto repair, logging, and monitoring.

How GKE Works:

Every Kubernetes cluster contains at least one control plane and multiple worker nodes. Kubernetes control plane consists of Resource Controller, API Server, Storage, and Scheduler, Control plane is responsible for managing workloads, storage, networking, managing lifecycle, and upgrades. Nodes run the services necessary to support the containers that make up your cluster workloads. Kbulet is an agent that is installed in worker nodes which is responsible for communicating with the control plane. Pods are the smallest basic deployable objects in Kubernetes which can contain one or more containers.

Use Cases:

Google Kubernetes Engine is used for running application codes running on containers or simply hosting your microservices running on containers. The Flow of using GKE for your containerized applications is as below.

Conclusion:

Google Kubernetes Engine is used where developers or admins want to use Kubernetes Managed Services to decrease the overhead of managing Kubernetes Clusters. You can attain High Availability by using GKE and make your life easier whilst managing your Kubernetes Clusters.

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