CloudStack 4.21: First Look Webinar slides
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Explore the slide deck from our exclusive First Look webinar on the Apache CloudStack 4.21 release.
CloudStack 4.21: First Look Webinar slides
- 1. Apache CloudStack 4.21 First Look Webinar CloudStack and the CloudStack logo are trademarks of the Apache Software Foundation
- 2. Meet the Presenters Marco Sinhoreli Technical Marketing Manager at ShapeBlue & CloudStack Committer Ivet Petrova Marketing Director at ShapeBlue & CloudStack PMC Member /msinhore /ivpetrova
- 3. Agenda • About This Release • Deep Dive and Demo: Feature-by-Feature • CloudStack XaaS Extensions Framework • GPU as a First-Class Resource in CloudStack (Technical Preview) • Netris SDN Integration • CloudStack Kubernetes Service (CKS) Enhancements • Create Instance from Backup & Instance Lease (Automatic Stop/Deletion) • Backup and Object Storage Limits • Deploy Instance Form Improvements • vTPM Support • Q&A
- 4. About This Release • Version: 4.21.0 • Release Date: August 2025 • Scope: 147+ improvements, 14 new features • Focus on: orchestration, GPU workloads, SDN, backup/recovery, Kubernetes, UI/UX
- 5. XaaS Extension Framework Typical Use Cases • Foundation for multi-hypervisor support, edge, and legacy system integration • Legacy or non-native hypervisors (e.g. Hyper-V, Proxmox, etc) • Bare-metal provisioning platforms (e.g. MAAS) • Hyperscaler orchestration (e.g. launching resources on AWS/GCP/Azure) • Firewall and network appliance management
- 6. XaaS Extension Framework Feature Overview • New resource type, managed via UI/API • Executes external scripts with JSON I/O • Supports core Instance lifecycle actions • Allows custom workflows (e.g., backup, snapshot) • Integrated with CloudStack RBAC • Sample built-in Proxmox & Hyper-V hypervisors
- 9. GPU as First-Class Resource Typical Use Cases • Virtual Desktop Infrastructure (VDI) • AI/ML Training and Inference • Cloud Gaming & Streaming • High-performance Computing (HPC) • World Simulation • Data Analytics & Big Data • Cryptocurrency / Blockchain
- 10. GPU as First-Class Resource Feature Overview • GPU Vendor Agnostic • Native KVM GPU management • Auto-discovers GPUs & vGPU profiles • Supports passthrough and vGPU modes • GPU-backed Compute Offerings • Tracks allocation and enforces limits • Lifecycle & scheduling integration • Unified management for Virtual GPU Display and AI/ML
- 11. KVM Host GPU Configuration GPU Vendor Agnostic Passthrough • Enable VT-d/IOMMU • Blacklist nouveau driver • Install CloudStack KVM agent • Reboot Host vGPU All Passthrough steps, plus: • Enable SR-IOV (for hardware-based VF) • Install GPU vendor driver • Reboot Host • Configure either: • mdev profiles (for mediated device), or • VF profiles (for SR-IOV)
- 15. Netris SDN Integration Typical Use Cases • Multi-tenant IaaS for CSPs/MSPs and Enterprises • Hybrid Cloud across datacenters & edge • Network automation for bare-metal & virtual • Built-in firewall, NAT & load balancing • Full-stack SDN governance
- 16. Netris SDN Integration Feature Overview • VXLAN-based network segmentation • Public IP tier routing (ROUTED mode) • NAT features: SNAT, DNAT, 1:1 NAT (NATTED mode) • Inter-tier routing within VPCs • Tier-level ACLs & public network ACLs • External/internal load balancing • Full CloudStack VR services
- 19. Automatic Instance Lease Typical Use Cases • Dev/Test & QA with auto-cleanup • Training labs & hackathons • POCs, demos & campaigns • University / classroom labs • CI/CD ephemeral workloads
- 20. Automatic Instance Lease Feature Overview • Auto-expiry with configurable lease (days) • Actions: Stop or Destroy (volumes preserved) • Set at deployment via Compute Offering or advanced settings • Lease editable before expiry; removed after action • Cannot enable after deployment • Destroy skipped if delete protection is on • Disabled by default (enable in Global Settings)
- 21. Automatic Instance Lease Automatically stop/delete expiring workloads
- 26. CloudStack Kubernetes Service Enhancements Feature Overview • Separate etcd node deployment • Custom Templates & CNI plugin choice • Per-node Compute Offerings (worker/control/etcd) • Add external worker nodes • Manual-only upgrade flag • Deploy on dedicated hosts/clusters
- 28. Create Instance from Backup Feature Overview • Supports NAS & Veeam providers • Restores full metadata (template, offering, network, IP/MAC, settings) • Auto-filled deploy form with editable fields • Older backups require manual detail entry
- 30. Deploy Instance Form Improvements Feature Overview • Deploy from Template, ISO, Volume, or Snapshot • Guest OS categories with custom mapping • Visual grouping & search filters • Category assignment on template creation/edit • Backward compatible with existing Templates
- 33. Backup/Object Storage Limits Feature Overview • Separate limits for backup & object storage • Configurable per Account or Domain • Enforced at operation time; excess usage blocked • Supports native and compatible backup and object store providers
- 36. vTPM Support Secure boot, BitLocker & compliance • KVM and VMware support • Secure boot, disk encryption, attestation • Enable at deploy or via API update • State preserved across reboots/migrations • Dedicated device per instance
- 39. Upcoming Events
- 40. Q&A First Look Webinar CloudStack and the CloudStack logo are trademarks of the Apache Software Foundation
- 41. Resources • Release Notes • https://docs.cloudstack.apache.org/en/latest/releasenotes/ • Documentation • https://docs.cloudstack.apache.org/en/latest/ • Mailing List • https://cloudstack.apache.org/mailing-lists/ • Videos • https://www.youtube.com/@ShapeBlue/videos