The lab factory: stage 1 nested hosts, stage 2 bringup, day-N items, one wrapper form

One catalog item, one VCF instance: building a lab factory

How an interactive PowerShell script grew into a catalog item that builds complete nested VCF 9.1 instances from one request form. The design rules that made it survivable, and the traps behind them.

16 September 2026 · Updated 1 October 2026 · 7 min · Adam Stretton
Spec derived from X, validated by the installer, bringup started, task id returned; a second run polls without the catalog's leash

Driving the VCF Installer API from vRO: generate, validate, start, walk away

Stage 2 of the lab factory: a vRO workflow turns an environment number into a VCF 9.1 deployment spec, validates it and starts bringup, because the request dies long before the eight-hour build does.

16 September 2026 · Updated 1 October 2026 · 7 min · Adam Stretton