One checkbox on every form: validateOnly. Tick everything, plan the whole stack, change nothing.

validateOnly everywhere: plan mode for infrastructure

Terraform has plan. Kubernetes has –dry-run. Your vRO workflows have nothing, unless you give them a validateOnly input and pass it down. The most valuable checkbox in the lab factory.

16 September 2026 · Updated 1 October 2026 · 4 min · Adam Stretton
Left: an interactive script's menu prompts. Right: where each one went — inputs, actions, template expressions, subscriptions.

Porting a PowerShell deploy script to a catalog item: the mapping table is the post

A 400-line menu-driven PowerShell script became a cloud template, two vRO actions and two subscriptions. Where each behaviour belongs, four non-obvious decisions, and the ‘yes’ that isn’t ’true’.

16 September 2026 · Updated 1 October 2026 · 6 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