Descheduler v0.10.0

Starting with the v0.10.0 release the descheduler now has an official container image in GCR.

docker pull us.gcr.io/k8s-artifacts-prod/descheduler/descheduler:v0.10.0

New Features 🌈

• Users can specify pods that are safe to evict using annotation descheduler.alpha.kubernetes.io/evict - GH-186
• Create k8s events when pods are evicted - GH-183
• New strategy RemovePodsViolatingNodeTaints - GH-175
• Implement CLI option --descheduling-interval - GH-221

Bug Fixes 🐛

• Fix duplicate strategy to also take namespace into account - GH-156
• Spelling fix - GH-178
• Fix typos in k8s yaml files - GH-193, GH-201

Others 🏃

• Enable golangci-lint - GH-149
• Setup official Google Container Registry descheduler container image - GH-160, GH-173, GH-217
• Improve duplicate strategy unit tests - GH-162
• Enable e2e tests in TravisCI - GH-169
• Migrated to kubernets-sigs GitHub organization - GH-182
• Clean up golint - GH-190
• Switch from glog to klog - GH-192
• Bump k8s dependencies to v1.17 - GH-204
• Update to Go 1.13 - GH-209
• Update k8s yaml files to use priorityClassName instead of critical-pod annotation - GH-213

Version 0.9.0

Bug fixes.

Version 0.8.0

• Several bug fixes.

Version 0.7.0

• LowNodeUtilization now takes pod priorities into account when evicting pods.
• Bug fixes.

Version 0.6.0

• Support for auth providers like GCP, OIDC, Azure, OpenStack.
• Several bux fixes.

Version 0.5.0

• Implementation of a new strategy RemovePodsViolatingNodeAffinity which evicts pods that violate their node affinity requirements.
• Support for limiting number of pods that can be evicted from each node.
• Implementation of end-to-end tests
• Improved build mechanisms
• Several other bug fixes.

Version 0.4.0

• Rebase to kube 1.9
• Improved validation of descheduler policy.
• Improved logging.
• Pods with requirements for GPUs are not evicted.
• Several other bug fixes.

Version 0.3.0

• Support for node-selector flag to restrict descheduler to run only on specific set of nodes.
• New RemovePodsViolatingInterPodAntiAffinity strategy to deschedule pods that violate their hard pod anti-affinity requirement.
• Support for version sub-command
• Bug fixes.

Version 0.2.0

• Rebase to Kubernetes 1.7.6
• glog support
• Updated README describing how to run descheduler as a Job.
• Bug fixes

Version 0.1.0

Version 0.1.0 is the first release of descheduler.

Features:

1. Support for evicting pods from nodes with higher resource requests (cpu, memory) and number of pods if there are nodes with less resource requests for rebalancing clusters.
2. Support for evicting pods associated with replication controllers, replica sets, jobs, deployments to make sure only one of their pods runs on one node.
3. Support for not evicting critical, mirror, daemon sets pods and pods with local storage.
4. Eviction of pods honors pod disruption budget (PDB).