Cloud Native News - CNN21/49

Community

• Kubernetes 1.23: The Next Frontier
  Kubernetes 1.23, the last release of 2021, got released! This release consists of 47 enhancements: 11 enhancements have graduated to stable, 17 are moving to beta, and 19 are entering alpha. Also, one feature has been deprecated.
• Announcing the Kubernetes Contributor Celebration 2021
  "It's that time of the year again, Yayy!! Like last year, this year also we are back with Kubernetes Contributor Celebration, the annual end of the year celebration, to recognize our achievements and have some fun! It's a time for us to relax, chat and do something fun with your fellow contributors!"
• 18 New Members Join Cloud Native Computing Foundation
  "CNCF now has over 730 member organizations and more than 100 open source cloud native projects to drive innovation across industries and geographies."
• Software Firm HashiCorp Tops IPO Goal to Raise $1.2 Billion
  Congratulations to HCP!

Editorial

• Why your cloud infrastructure should be immutable
  A series of good reasons to adopt infrastructure as code.
• How eBPF will solve Service Mesh - Goodbye Sidecars
  Advantages of a service mesh without the sidecar craze? I think this sounds amazing, and wanna give it a try? You can join the Cilium Service Mesh Beta Program!
• WTF is eBPF? A sneak peek interview with Liz Rice
  You're ignoring eBPF and still reading those letters more and more often? Then this is your opportunity to close a knowledge gap and avoid missing an important trending topic!

Tutorials

• Even more DRY and maintainable code with Terragrunt
  Terraform is the go-to solution for many infrastructure teams to define complex infrastructures with code. However, Terraform still can get quite difficult at scale and hard to test and maintain. Terragrunt promises help!

Tools

• Kubernetes 1.23: Dual-stack IPv4/IPv6 Networking Reaches GA
  While Kubernetes has supported IPv6-only clusters since v1.18, migration from IPv4 to IPv6 was not yet possible at that point. Ultimately, dual-stack IPv4/IPv6 networking has reached general availability (GA) in Kubernetes v1.23.
• Pod Security Graduates to Beta
  "With the release of Kubernetes v1.23, Pod Security admission has now entered beta. Pod Security is a built-in admission controller that evaluates pod specifications against a predefined set of Pod Security Standards and determines whether to admit or deny the pod from running. Pod Security is the successor to PodSecurityPolicy which was deprecated in the v1.21 release, and will be removed in Kubernetes v1."
• Network Service Mesh - release v1.1.0
  The Network Service Mesh released v1.1.0. Interested in connecting network services? Then this is your best bet!

Other

• Log4Shell: RCE 0-day exploit found in log4j 2, a popular Java logging package
  I never wanted to be less SRE of a Java workload than these days.