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Advancements in Virtual Machine Image Deployment for Trusted Worker Node Environment

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6 diapositives · 167 Views · Jul 30, 2014

This report outlines progress made towards enabling sites to treat trusted virtual machine images like normal worker nodes. It discusses the benefits for VOs, including enhanced worker node environment certainty. The active involvement of VOs is vital for delivering a proof-of-concept system. The report also addresses the support for multiple hypervisors and maintaining base image integrity while contextualizing it to support local policies.

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  1. HEPiX VirtualisationWorking Group Status, July 9th2010Tony.Cass@cern.ch

  2. Summary • A year ago, sites were rejecting any possibility of running remotely generated virtual machine images. • Today, we have the skeleton of a scheme that will enable sites to treat trusted VM images exactly as normal worker nodes. • This enables • VOs to be 100% sure of the worker node environment • (potentially) inclusion in the VM image of the pilot job framework enabling “cloud like” submission of work to sites. • Active involvement of VOs is now highly desirable as we move towards delivering a proof-of-concept system. • Nothing in what is being done • prevents sites that wish to do so from implementing Amazon EC2-style instantiation of user generated images, or • precludes use of CernVM. In fact, CernVM-FS looks to be a goodsolution for delivering VO software.

  3. Delivered/Deliverables • Policy for Image Endorsement • Tools for Image Cataloguing & Distribution • Image Contextualisation policy & mechanism • Sites contextualise to • support local policies • Grid policy compliance • NO changes to base image in terms of sw environment • Support for Multiple Hypervisors

  4. Delivered/Deliverables • Policy for Image Endorsement • Seehttps://edms.cern.ch/document/1080777 • Tools for Image Cataloguing & Distribution • Image Contextualisation policy & mechanism • Sites contextualise to • support local policies • Grid policy compliance • NO changes to base image in terms of sw environment • Support for Multiple Hypervisors • Single image format for sites with either Xen or KVM • 90%+ of cases

  5. Summary • A year ago, sites were rejecting any possibility of running remotely generated virtual machine images. • Today, we have the skeleton of a scheme that will enable sites to treat trusted VM images exactly as normal worker nodes. • This enables • VOs to be 100% sure of the worker node environment • (potentially) inclusion in the VM image of the pilot job framework enabling “cloud like” submission of work to sites. • Active involvement of VOs is now highly desirable as we move towards delivering a proof-of-concept system. • Nothing in what is being done • prevents sites that wish to do so from implementing Amazon EC2-style instantiation of user generated images, or • precludes use of CernVM. In fact, CernVM-FS looks to be a goodsolution for delivering VO software.