Kubernetes 1.8: Security, Workloads and Feature Depth

Editor's note: today's post is by Aparna Sinha, Group Product Manager, Kubernetes, Google; Ihor Dvoretskyi, Developer Advocate, CNCF; Jaice Singer DuMars, Kubernetes Ambassador, Microsoft; and Caleb Miles, Technical Program Manager, CoreOS on the latest release of Kubernetes 1.8.

We’re pleased to announce the delivery of Kubernetes 1.8, our third release this year. Kubernetes 1.8 represents a snapshot of many exciting enhancements and refinements underway. In addition to functional improvements, we’re increasing project-wide focus on maturing

Spotlight on security

Kubernetes 1.8 graduates support for

Transport Layer Security (TLS) certificate rotation for the Kubelet graduates to beta. Automatic certificate rotation eases secure cluster operation.

Spotlight on workload support

Kubernetes 1.8 promotes the core Workload APIs to beta with the apps/v1beta2 group and version. The beta contains the current version of Deployment, DaemonSet, ReplicaSet, and StatefulSet. The Workloads APIs provide a stable foundation for migrating existing workloads to Kubernetes as well as developing cloud native applications that target Kubernetes natively.

For those considering running Big Data workloads on Kubernetes, the Workloads API now enables

Batch workloads, such as nightly ETL jobs, will benefit from the graduation of CronJobs to beta.

Custom Resource Definitions (CRDs) remain in beta for Kubernetes 1.8. A CRD provides a powerful mechanism to extend Kubernetes with user-defined API objects. One use case for CRDs is the automation of complex stateful applications such as

Spoilers ahead

Volume snapshots, PV resizing, automatic taints, priority pods, kubectl plugins, oh my!

In addition to stabilizing existing functionality, Kubernetes 1.8 offers a number of alpha features that preview new functionality.

Each Special Interest Group (SIG) in the community continues to deliver the most requested user features for their area. For a complete list, please visit the .

Availability

Kubernetes 1.8 is available for .

Release team

The

As the Kubernetes community has grown, our release process has become an amazing demonstration of collaboration in open source software development. Kubernetes continues to gain new users at a rapid clip. This growth creates a positive feedback cycle where more contributors commit code creating a more vibrant ecosystem.

User Highlights

According to

• Ancestry.com currently holds 20 billion historical records and 90 million family trees, making it the largest consumer genomics DNA network in the world. With the move to Kubernetes, its deployment time for its Shaky Leaf icon service was .
• Wink, provider of smart home devices and apps, runs
• Pear Deck, a teacher communication app for students, ported their Heroku apps into Kubernetes, allowing them to deploy the exact same configuration in .
• Buffer, social media management for agencies and marketers, has a remote team of 80 spread across a dozen different time zones. Kubernetes has provided the kind of

Is Kubernetes helping your team?

Ecosystem updates

Announced on September 11, CNCF also offers

KubeCon

Join the community at registration ends October 6.

Open Source Summit EU

Ihor Dvoretskyi, Kubernetes 1.8 features release lead, will .

Get involved

The simplest way to get involved with Kubernetes is by joining one of the many

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