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Author:Peter Schuurman (Google) Kubernetes v1.26 introduced a new, alpha-level feature for StatefulSets that controls the ordinal numbering of Pod replicas.As of Kubernetes v1.27, this feature is now beta.Ordinals can start from arbitrary non-negative numbers.This blog post will discuss how this feature can be used.

Background

StatefulSets ordinals provide sequential identities for pod replicas.When using OrderedReady Pod management Pods are created from ordinal index 0

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Authors:Cailyn Edwards (Shopify), Mahé Tardy (Isovalent), Pushkar Joglekar

Since launching the Auto-refreshing Official CVE feed as an alpha feature in the 1.25 release, we have made significant improvements and updates.We are excited to announce the release of the beta version of the feed.This blog post will outline the feedback received, the changes made, and talk about how you can help as we prepare to make this a stable feature in a future Kubernetes Release.

Feedback from end-users

SIG Security received some feedback from end-users:

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Author:Jeffrey Ying (Google), Antoine Pelisse (Google) Before Kubernetes v1.8 (!), typos, mis-indentations or minor errors in YAMLs could have catastrophic consequences (e.g.a typo like forgetting the trailing s in replica:1000 could cause an outage, because the value would be ignored and missing, forcing a reset of replicas back to 1).This was solved back then by fetching the OpenAPI v2 in kubectl and using it to verify that fields were correct and present before applying.Unfortunately, at that time, Custom Resource Definitions didn’t exist, and the code was written under

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Author: Aravindh Puthiyaparambil (Red Hat) Kubernetes 1.27 introduced a new feature called Node log query that allows viewing logs of services running on the node.

What problem does it solve?

Cluster administrators face issues when debugging malfunctioning services running on the node.They usually have to SSH or RDP into the node to view the logs of the service to debug the issue.The Node log query feature helps with this scenario by allowing the cluster administrator to view the logs using kubectl.This is

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Author: Chris Henzie (Google) With the release of Kubernetes v1.27 the ReadWriteOncePod feature has graduated to beta.In this blog post, we'll take a closer look at this feature, what it does, and how it has evolved in the beta release.

What is ReadWriteOncePod?

ReadWriteOncePod is a new access mode for PersistentVolumes (PVs) and PersistentVolumeClaims (PVCs) introduced in Kubernetes v1.22.This access mode enables you to restrict volume access to a single pod in the cluster, ensuring that only one pod can write to the volume at a time.

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