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CANFAR Science Platform Release 2025.2 - Nov 25, 2025

CanfarSP 2025.2 - Nov 25, 2025

✨ Features

  • Modified resource selection controls - On the CANFAR Science Portal, when launching a session in Fixed-mode, there is more fine-tuned control of the resource selections.
  • Cluster-aware resource selection on CANFAR Science Portal — Memory and Core options reflect characteristics of the underlying kubernetes cluster
  • GPU selection — In CANFAR clusters where GPUs are available, a GPU selection option presented in the science portal

🐛 Fixes

  • Addresses problem with the incorrect enforcement of the maximum number of sessions allowed
  • Improved accuracy of Global session statistics on CANFAR portal
  • canfar CLI fixes
    • Graceful Degradation: The CLI commands (canfar info, canfar ps) now continue to work even when the API returns incomplete session data, displaying partial information instead of crashing
    • Better Error Reporting: Missing or invalid fields are tracked internally and can be viewed with the --debug flag for troubleshooting
    • Enhanced Display: Resource usage metrics for flexible sessions is now reported with better readability
    • Type Safety: Session type validation has been strengthened using Pydantic's built-in validators

⚙️ Technical Changes

  • Cavern controlls user allocations - called by authorized clients such as skaha and prepareData
  • All registry lookups benefit from registry mirrroring and failover

📦 Deployment Notes

  • Deployers now specify limits of their cluster as LimitRange objects from helm charts [DONE]
  • Deployers must specify properties about their cavern installation
  • Ability to specify a default project for each of the harbor instances configured
  • Ability to define multiple registries to support mirroring
  • Use the offically supported helm charts in the opencadc/deployments for CANFAR 2025.2 deployments.

Python Client & CLI

Component Version
canfar v1.1+

Helm Charts & Container Images

Component Helm Chart Version Container Image
base 0.4.0 N/A
cavern 0.9.0 images.opencadc.org/platform/cavern:0.9.2
skaha 1.3.2 images.opencadc.org/platform/skaha:1.1.7
posix-mapper 0.5.0 images.opencadc.org/platform/posix-mapper:0.3.2
science-portal 1.1.2 images.opencadc.org/platform/science-portal:1.2.5
storage-ui 0.8.0 images.opencadc.org/client/storage-ui:1.4.1

💬 Contact & Support

For any questions about this release, or for information relating to CANFAR issues or deployment support, head over to the CANFAR Discord Server or please contact us at support@canfar.net.


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