Author: Swati Sehgal (Red Hat) The Device Plugin
framework was introduced in the Kubernetes v1.8 release as a vendor
independent framework to enable discovery, advertisement and
allocation of external devices without modifying core
Kubernetes.The feature graduated to Beta in v1.10.With the recent
release of Kubernetes v1.26, Device Manager is now generally
available (GA). Within the kubelet, the Device Manager facilitates
communication with device plugins using gRPC through Unix
sockets.Device Manager and Device plugins both act as gRPC servers
and clients by serving and connecting to the exposed gRPC services
respectively.Device
Author: Xing Yang (VMware), Ashutosh Kumar
(VMware) Kubernetes v1.24 introduced an alpha quality implementation of
improvements for handling a non-graceful node shutdown.In Kubernetes v1.26,
this feature moves to beta.This feature allows stateful workloads
to failover to a different node after the original node is shut
down or in a non-recoverable state, such as the hardware failure or
broken OS.
What is a node shutdown in Kubernetes?
In a Kubernetes cluster, it is possible for a node to shut down.This could happen
Authors: Patrick Ohly (Intel), Kevin Klues
(NVIDIA) Dynamic resource allocation is a new API for requesting
resources.It is a generalization of the persistent volumes API for
generic resources, making it possible to:
- access the same resource instance in different pods and containers,
- attach arbitrary constraints to a resource request to get the exact resource you are looking for,
- initialize a resource according to parameters provided by the user.
Authors:Brandon Smith (Microsoft) and Mark
Rossetti (Microsoft) The long-awaited day has arrived:HostProcess
containers, the Windows equivalent to Linux privileged containers,
has finally made it to GA in Kubernetes 1.26! What
are HostProcess containers and why are they useful? Cluster
operators are often faced with the need to configure their nodes
upon provisioning such as installing Windows services, configuring
registry keys, managing TLS certificates, making network
configuration changes, or even deploying monitoring tools such as a
Prometheus's node-exporter.Previously, performing these actions on
Windows nodes was usually
Author: Sascha Grunert The Kubernetes Special
Interest Group (SIG) Release is proud to announce that we are
digitally signing all release artifacts, and that this aspect of
Kubernetes has now reached beta. Signing artifacts
provides end users a chance to verify the integrity of the
downloaded resource.It allows to mitigate man-in-the-middle attacks
directly on the client side and therefore ensures the trustfulness
of the remote serving the artifacts.The overall goal of out past
work was to define the used tooling for signing all Kubernetes
related artifacts as well as
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