CloudStack Template Download (SSVM) and Console Session Flow (CPVM)
1. Template / ISO Download Workflow When a user registers a new ISO or template via a URL, CloudStack offloads the download job to the Secondary Storage VM (SSVM). Step Action Component 1 User hosts ISO/template on HTTP server External (public web server) 2 User registers the URL CloudStack UI / API 3 CloudStack sends download job to SSVM Management Server 4 SSVM downloads the file via HTTP/HTTPS Secondary Storage VM (SSVM) 5 SSVM writes the file to secondary storage (NFS) /export/secondary on Management Server 6 CloudStack marks the template/ISO as “Ready” CloudStack Database Textual Flow Diagram +----------------------------+ | CloudStack Management | +-------------+--------------+ | Registers Template/ISO URL | v +-----------------------+ | Secondary Storage VM | (SSVM) +-----------+-----------+ | Downloads via HTTP/HTTPS | v +------------------------+ | Secondary Storage (NFS)| | /export/secondary | +------------------------+ | v Marks Template as READY 2....