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Posts in 2022
Kubernetes 1.25: Use Secrets for Node-Driven Expansion of CSI Volumes
Wednesday, September 21, 2022 in Blog
Author: Humble Chirammal (Red Hat), Louis Koo (deeproute.ai) Kubernetes v1.25, released earlier this month, introduced a new feature that lets your cluster expand storage volumes, even when access to those volumes requires a secret (for example: a …
Kubernetes 1.25: Local Storage Capacity Isolation Reaches GA
Monday, September 19, 2022 in Blog
Author: Jing Xu (Google) Local ephemeral storage capacity isolation was introduced as a alpha feature in Kubernetes 1.7 and it went beta in 1.9. With Kubernetes 1.25 we are excited to announce general availability(GA) of this feature. Pods use …
Kubernetes 1.25: Two Features for Apps Rollouts Graduate to Stable
Thursday, September 15, 2022 in Blog
Authors: Ravi Gudimetla (Apple), Filip Křepinský (Red Hat), Maciej Szulik (Red Hat) This blog describes the two features namely minReadySeconds for StatefulSets and maxSurge for DaemonSets that SIG Apps is happy to graduate to stable in Kubernetes …
Kubernetes 1.25: PodHasNetwork Condition for Pods
Wednesday, September 14, 2022 in Blog
Author: Deep Debroy (Apple) Kubernetes 1.25 introduces Alpha support for a new kubelet-managed pod condition in the status field of a pod: PodHasNetwork. The kubelet, for a worker node, will use the PodHasNetwork condition to accurately surface the …
Announcing the Auto-refreshing Official Kubernetes CVE Feed
Monday, September 12, 2022 in Blog
Author: Pushkar Joglekar (VMware) A long-standing request from the Kubernetes community has been to have a programmatic way for end users to keep track of Kubernetes security issues (also called "CVEs", after the database that tracks public …
Kubernetes 1.25: KMS V2 Improvements
Friday, September 09, 2022 in Blog
Authors: Anish Ramasekar, Rita Zhang, Mo Khan, and Xander Grzywinski (Microsoft) With Kubernetes v1.25, SIG Auth is introducing a new v2alpha1 version of the Key Management Service (KMS) API. There are a lot of improvements in the works, and we're …
Kubernetes’s IPTables Chains Are Not API
Wednesday, September 07, 2022 in Blog
Author: Dan Winship (Red Hat) Some Kubernetes components (such as kubelet and kube-proxy) create iptables chains and rules as part of their operation. These chains were never intended to be part of any Kubernetes API/ABI guarantees, but some external …
Introducing COSI: Object Storage Management using Kubernetes APIs
Friday, September 02, 2022 in Blog
Authors: Sidhartha Mani (Minio, Inc) This article introduces the Container Object Storage Interface (COSI), a standard for provisioning and consuming object storage in Kubernetes. It is an alpha feature in Kubernetes v1.25. File and block storage are …
Kubernetes 1.25: cgroup v2 graduates to GA
Wednesday, August 31, 2022 in Blog
Authors:: David Porter (Google), Mrunal Patel (Red Hat) Kubernetes 1.25 brings cgroup v2 to GA (general availability), letting the kubelet use the latest container resource management capabilities. What are cgroups? Effective resource management is a …
Kubernetes 1.25: CSI Inline Volumes have graduated to GA
Monday, August 29, 2022 in Blog
Author: Jonathan Dobson (Red Hat) CSI Inline Volumes were introduced as an alpha feature in Kubernetes 1.15 and have been beta since 1.16. We are happy to announce that this feature has graduated to General Availability (GA) status in Kubernetes …