Posts in 2021
Annotating Kubernetes Services for Humans
By Richard Li (Ambassador Labs) | Tuesday, April 20, 2021 in Blog
Have you ever been asked to troubleshoot a failing Kubernetes service and struggled to find basic information about the service such as the source repository and owner? One of the problems as Kubernetes applications grow is the proliferation of …
Introducing Indexed Jobs
By Aldo Culquicondor (Google) | Monday, April 19, 2021 in Blog
Once you have containerized a non-parallel Job, it is quite easy to get it up and running on Kubernetes without modifications to the binary. In most cases, when running parallel distributed Jobs, you had to set a separate system to partition the work …
Volume Health Monitoring Alpha Update
By Xing Yang (VMware) | Friday, April 16, 2021 in Blog
The CSI Volume Health Monitoring feature, originally introduced in 1.19 has undergone a large update for the 1.21 release. Why add Volume Health Monitoring to Kubernetes? Without Volume Health Monitoring, Kubernetes has no knowledge of the state of …
Three Tenancy Models For Kubernetes
By Ryan Bezdicek (Medtronic), Jim Bugwadia (Nirmata), Tasha Drew (VMware), Fei Guo (Alibaba), Adrian Ludwin (Google) | Thursday, April 15, 2021 in Blog
Kubernetes clusters are typically used by several teams in an organization. In other cases, Kubernetes may be used to deliver applications to end users requiring segmentation and isolation of resources across users from different organizations. …
Local Storage: Storage Capacity Tracking, Distributed Provisioning and Generic Ephemeral Volumes hit Beta
By Patrick Ohly (Intel) | Wednesday, April 14, 2021 in Blog
The "generic ephemeral volumes" and "storage capacity tracking" features in Kubernetes are getting promoted to beta in Kubernetes 1.21. Together with the distributed provisioning support in the CSI external-provisioner, …
kube-state-metrics goes v2.0
By Lili Cosic (Red Hat), Frederic Branczyk (Polar Signals), Manuel Rüger (Sony Interactive Entertainment), Tariq Ibrahim (Salesforce) | Tuesday, April 13, 2021 in Blog
What? kube-state-metrics, a project under the Kubernetes organization, generates Prometheus format metrics based on the current state of the Kubernetes native resources. It does this by listening to the Kubernetes API and gathering information about …
Introducing Suspended Jobs
By Adhityaa Chandrasekar (Google) | Monday, April 12, 2021 in Blog
Jobs are a crucial part of Kubernetes' API. While other kinds of workloads such as Deployments, ReplicaSets, StatefulSets, and DaemonSets solve use-cases that require Pods to run forever, Jobs are useful when Pods need to run to completion. Commonly …
Kubernetes 1.21: CronJob Reaches GA
By Alay Patel (Red Hat), Maciej Szulik (Red Hat) | Friday, April 09, 2021 in Blog
In Kubernetes v1.21, the CronJob resource reached general availability (GA). We've also substantially improved the performance of CronJobs since Kubernetes v1.19, by implementing a new controller. In Kubernetes v1.20 we launched a revised v2 …
Kubernetes 1.21: Power to the Community
By Kubernetes 1.21 Release Team | Thursday, April 08, 2021 in Blog
We’re pleased to announce the release of Kubernetes 1.21, our first release of 2021! This release consists of 51 enhancements: 13 enhancements have graduated to stable, 16 enhancements are moving to beta, 20 enhancements are entering alpha, and 2 …
PodSecurityPolicy Deprecation: Past, Present, and Future
By Tabitha Sable (Kubernetes SIG Security) | Tuesday, April 06, 2021 in Blog
Update: With the release of Kubernetes v1.25, PodSecurityPolicy has been removed. You can read more information about the removal of PodSecurityPolicy in the Kubernetes 1.25 release notes. PodSecurityPolicy (PSP) is being deprecated in Kubernetes …