cozystack/docs/changelogs/v0.31.0.md

This is the second release candidate for the upcoming Cozystack v0.31.0 release. The release notes show changes accumulated since the release of Cozystack v0.30.0.

Cozystack 0.31.0 further advances GPU support, monitoring, and all-around convenience features.

New Features and Changes

• [kubernetes] Introduce GPU support for tenant Kubernetes clusters. (@kvaps in https://github.com/cozystack/cozystack/pull/834)
• Add VerticalPodAutoscaler to a few more components:
  • [kubernetes] Kubernetes clusters in user tenants. (@klinch0 in https://github.com/cozystack/cozystack/pull/806)
  • [platform] Cozystack dashboard. (@klinch0 in https://github.com/cozystack/cozystack/pull/828)
  • [platform] Cozystack etcd-operator (@klinch0 in https://github.com/cozystack/cozystack/pull/850)
• Introduce support for cross-architecture builds and Cozystack on ARM:
  • [build] Refactor Makefiles introducing build variables. (@nbykov0 in https://github.com/cozystack/cozystack/pull/907)
  • [build] Add support for multi-architecture and cross-platform image builds. (@nbykov0 in https://github.com/cozystack/cozystack/pull/932)
• [platform] Introduce a new controller to synchronize tenant HelmReleases and propagate configuration changes. (@klinch0 in https://github.com/cozystack/cozystack/pull/870)
• [platform] Introduce options expose-services, expose-ingress and expose-external-ips to the ingress service. (@kvaps in https://github.com/cozystack/cozystack/pull/929)
• [kubevirt] Enable exporting VMs. (@kvaps in https://github.com/cozystack/cozystack/pull/808)
• [kubevirt] Make KubeVirt's CPU allocation ratio configurable. (@lllamnyp in https://github.com/cozystack/cozystack/pull/905)
• [cozystack-controller] Record the IP address pool and storage class in Workload objects. (@lllamnyp in https://github.com/cozystack/cozystack/pull/831)
• [cilium] Enable Cilium Gateway API. (@zdenekjanda in https://github.com/cozystack/cozystack/pull/924)
• [cilium] Enable user-added parameters in a tenant cluster Cilium. (@lllamnyp in https://github.com/cozystack/cozystack/pull/917)
• Update the Cozystack release policy to include long-lived release branches and start with release candidates. Update CI workflows and docs accordingly.
  • Use release branches release-X.Y for gathering and releasing fixes after initial vX.Y.0 release. (@kvaps in https://github.com/cozystack/cozystack/pull/816)
  • Automatically create release branches after initial vX.Y.0 release is published. (@kvaps in https://github.com/cozystack/cozystack/pull/886)
  • Introduce Release Candidate versions. Automate patch backporting by applying patches from pull requests labeled [backport] to the current release branch. (@kvaps in https://github.com/cozystack/cozystack/pull/841 and https://github.com/cozystack/cozystack/pull/901, @nickvolynkin in https://github.com/cozystack/cozystack/pull/890)
  • Commit changes in release pipelines under github-actions <github-actions@github.com>. (@kvaps in https://github.com/cozystack/cozystack/pull/823)
  • Describe the Cozystack release workflow. (@NickVolynkin in https://github.com/cozystack/cozystack/pull/817 and https://github.com/cozystack/cozystack/pull/897)

Fixes

• [virtual-machine] Add GPU names to the virtual machine specifications. (@kvaps in https://github.com/cozystack/cozystack/pull/862)
• [virtual-machine] Count Workload resources for pods by requests, not limits. Other improvements to VM resource tracking. (@lllamnyp in https://github.com/cozystack/cozystack/pull/904)
• [platform] Fix installing HelmReleases on initial setup. (@kvaps in https://github.com/cozystack/cozystack/pull/833)
• [platform] Migration scripts update Kubernetes ConfigMap with the current stack version for improved version tracking. (@klinch0 in https://github.com/cozystack/cozystack/pull/840)
• [platform] Reduce requested CPU and RAM for the kamaji provider. (@klinch0 in https://github.com/cozystack/cozystack/pull/825)
• [platform] Improve the reconciliation loop for the Cozystack system HelmReleases logic. (@klinch0 in https://github.com/cozystack/cozystack/pull/809 and https://github.com/cozystack/cozystack/pull/810, @kvaps in https://github.com/cozystack/cozystack/pull/811)
• [platform] Remove extra dependencies for the Piraeus operator. (@klinch0 in https://github.com/cozystack/cozystack/pull/856)
• [platform] Refactor dashboard values. (@kvaps in https://github.com/cozystack/cozystack/pull/928, patched by @llamnyp in https://github.com/cozystack/cozystack/pull/952)
• [platform] Make FluxCD artifact disabled by default. (@klinch0 in https://github.com/cozystack/cozystack/pull/964)
• [kubernetes] Update garbage collection of HelmReleases in tenant Kubernetes clusters. (@kvaps in https://github.com/cozystack/cozystack/pull/835)
• [kubernetes] Fix merging valuesOverride for tenant clusters. (@kvaps in https://github.com/cozystack/cozystack/pull/879)
• [kubernetes] Fix ubuntu-container-disk tag. (@kvaps in https://github.com/cozystack/cozystack/pull/887)
• [kubernetes] Refactor Helm manifests for tenant Kubernetes clusters. (@kvaps in https://github.com/cozystack/cozystack/pull/866)
• [tenant] Fix an issue with accessing external IPs of a cluster from the cluster itself. (@kvaps in https://github.com/cozystack/cozystack/pull/854)
• [cluster-api] Remove the no longer necessary workaround for Kamaji. (@kvaps in https://github.com/cozystack/cozystack/pull/867, patched in https://github.com/cozystack/cozystack/pull/956)
• [monitoring] Remove legacy label "POD" from the exclude filter in metrics. (@xy2 in https://github.com/cozystack/cozystack/pull/826)
• [monitoring] Refactor management etcd monitoring config. Introduce a migration script for updating monitoring resources (kube-rbac-proxy daemonset). (@lllamnyp in https://github.com/cozystack/cozystack/pull/799 and https://github.com/cozystack/cozystack/pull/830)
• [monitoring] Fix VerticalPodAutoscaler resource allocation for VMagent. (@klinch0 in https://github.com/cozystack/cozystack/pull/820)
• [postgres] Remove duplicated template entry from backup manifest. (@etoshutka in https://github.com/cozystack/cozystack/pull/872)
• [kube-ovn] Fix versions mapping in Makefile. (@kvaps in https://github.com/cozystack/cozystack/pull/883)
• [dx] Automatically detect version for migrations in the installer.sh. (@kvaps in https://github.com/cozystack/cozystack/pull/837)
• [e2e] Increase timeout durations for capi and keycloak to improve reliability during environment setup. (@kvaps in https://github.com/cozystack/cozystack/pull/858)
• [e2e] Fix device_ownership_from_security_context CRI. (@dtrdnk in https://github.com/cozystack/cozystack/pull/896)
• [e2e] Return genisoimage to the e2e-test Dockerfile (@gwynbleidd2106 in https://github.com/cozystack/cozystack/pull/962)
• [ci] Improve the check for versions_map running on pull requests. (@kvaps and @klinch0 in https://github.com/cozystack/cozystack/pull/836, https://github.com/cozystack/cozystack/pull/842, and https://github.com/cozystack/cozystack/pull/845)
• [ci] If the release step was skipped on a tag, skip tests as well. (@kvaps in https://github.com/cozystack/cozystack/pull/822)
• [ci] Allow CI to cancel the previous job if a new one is scheduled. (@kvaps in https://github.com/cozystack/cozystack/pull/873)
• [ci] Use the correct version name when uploading build assets to the release page. (@kvaps in https://github.com/cozystack/cozystack/pull/876)
• [ci] Stop using ok-to-test label to trigger CI in pull requests. (@kvaps in https://github.com/cozystack/cozystack/pull/875)
• [ci] Do not run tests in the release building pipeline. (@kvaps in https://github.com/cozystack/cozystack/pull/882)
• [ci] Fix release branch creation. (@kvaps in https://github.com/cozystack/cozystack/pull/884)
• [ci, dx] Reduce noise in the test logs by suppressing the wget progress bar. (@lllamnyp in https://github.com/cozystack/cozystack/pull/865)
• [ci] Revert "automatically trigger tests in releasing PR". (@kvaps in https://github.com/cozystack/cozystack/pull/900)

Dependencies

• MetalLB s now included directly as a patched image based on version 0.14.9. (@lllamnyp in https://github.com/cozystack/cozystack/pull/945)
• Update Kubernetes to v1.32.4. (@kvaps in https://github.com/cozystack/cozystack/pull/949)
• Update Talos Linux to v1.10.1. (@kvaps in https://github.com/cozystack/cozystack/pull/931)
• Update Cilium to v1.17.3. (@kvaps in https://github.com/cozystack/cozystack/pull/848)
• Update LINSTOR to v1.31.0. (@kvaps in https://github.com/cozystack/cozystack/pull/846)
• Update Kube-OVN to v1.13.11. (@kvaps in https://github.com/cozystack/cozystack/pull/847, @lllamnyp in https://github.com/cozystack/cozystack/pull/922)
• Update tenant Kubernetes to v1.32. (@kvaps in https://github.com/cozystack/cozystack/pull/871)
• Update flux-operator to 0.20.0. (@kingdonb in https://github.com/cozystack/cozystack/pull/880 and https://github.com/cozystack/cozystack/pull/934)
• Update multiple Cluster API components. (@kvaps in https://github.com/cozystack/cozystack/pull/867 and https://github.com/cozystack/cozystack/pull/947)
• Update KamajiControlPlane to edge-25.4.1. (@kvaps in https://github.com/cozystack/cozystack/pull/953)

Maintenance

• Add @klinch0 to CODEOWNERS. (@kvaps in https://github.com/cozystack/cozystack/pull/838)

New Contributors

• @etoshutka made their first contribution in https://github.com/cozystack/cozystack/pull/872
• @dtrdnk made their first contribution in https://github.com/cozystack/cozystack/pull/896
• @zdenekjanda made their first contribution in https://github.com/cozystack/cozystack/pull/924
• @gwynbleidd2106 made their first contribution in https://github.com/cozystack/cozystack/pull/962

Full Changelog: https://github.com/cozystack/cozystack/compare/v0.30.0...v0.31.0-rc.2