Posts in 2022
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 …
Kubernetes v1.25: Pod Security Admission Controller in Stable
Thursday, August 25, 2022 in Blog
Authors: Tim Allclair (Google), Sam Stoelinga (Google) The release of Kubernetes v1.25 marks a major milestone for Kubernetes out-of-the-box pod security controls: Pod Security admission (PSA) graduated to stable, and Pod Security Policy (PSP) has …
PodSecurityPolicy: The Historical Context
Tuesday, August 23, 2022 in Blog
Author: Mahé Tardy (Quarkslab) The PodSecurityPolicy (PSP) admission controller has been removed, as of Kubernetes v1.25. Its deprecation was announced and detailed in the blog post PodSecurityPolicy Deprecation: Past, Present, and Future, published …
Kubernetes v1.25: Combiner
Tuesday, August 23, 2022 in Blog
Authors: Kubernetes 1.25 Release Team Announcing the release of Kubernetes v1.25! This release includes a total of 40 enhancements. Fifteen of those enhancements are entering Alpha, ten are graduating to Beta, and thirteen are graduating to Stable. …
Spotlight on SIG Storage
Monday, August 22, 2022 in Blog
Author: Frederico Muñoz (SAS) Since the very beginning of Kubernetes, the topic of persistent data and how to address the requirement of stateful applications has been an important topic. Support for stateless deployments was natural, present from …
Stargazing, solutions and staycations: the Kubernetes 1.24 release interview
Thursday, August 18, 2022 in Blog
Author: Craig Box (Google) The Kubernetes project has participants from all around the globe. Some are friends, some are colleagues, and some are strangers. The one thing that unifies them, no matter their differences, are that they all have an …
Meet Our Contributors - APAC (China region)
Monday, August 15, 2022 in Blog
Authors & Interviewers: Avinesh Tripathi, Debabrata Panigrahi, Jayesh Srivastava, Priyanka Saggu, Purneswar Prasad, Vedant Kakde Hello, everyone 👋 Welcome back to the third edition of the "Meet Our Contributors" blog post series for …