VDA VLM/LLM Endpoints
Table of Contents
- Option A: Reuse Existing In-Cluster NIMs (default)
- Option B: Deploy/Repair In-Cluster NIMs
- Verify Endpoint Health Before Submitting
- Option C: External Endpoint Override (opt-in only)
VDA workers call OpenAI-compatible VLM/LLM endpoints via vlm_url and llm_url.
Default behavior is in-cluster persistent NIM reuse.
Option A: Reuse Existing In-Cluster NIMs (default)
Default endpoint values in VDA workflow YAMLs:
vlm_url=http://qwen3-vl.osmo-nims.svc.cluster.local:8000/v1
llm_url=http://qwen25-14b.osmo-nims.svc.cluster.local:8000/v1Use these unless the user explicitly requests external mode or provides explicit URLs.
Option B: Deploy/Repair In-Cluster NIMs
This is the default action when either endpoint is missing/unhealthy — deploy automatically as a prerequisite; do not pause for user confirmation:
export NIM_SERVICES="qwen3-vl qwen25-14b"
skills/physical-ai-infrastructure-setup-and-resilient-scaling/components/inference-nim-operator/scripts/install.shRules:
- Keep the allow-list fixed to VDA-required services only.
- Do not deploy unrelated services.
- Never scale down or delete existing NIM deployments to free GPUs.
Verify Endpoint Health Before Submitting
Check deployments and model APIs:
kubectl -n osmo-nims get deploy,po -l 'app.kubernetes.io/name in (qwen3-vl,qwen25-14b)'
kubectl run curl-vlm -n osmo-nims --rm -i --restart=Never \
--image=curlimages/curl -- \
curl -fsS http://qwen3-vl.osmo-nims.svc.cluster.local:8000/v1/models
kubectl run curl-llm -n osmo-nims --rm -i --restart=Never \
--image=curlimages/curl -- \
curl -fsS http://qwen25-14b.osmo-nims.svc.cluster.local:8000/v1/modelsProceed only when both endpoints return healthy model lists.
Option C: External Endpoint Override (opt-in only)
Use external endpoints only when user explicitly asks, or provides explicit URLs:
--set-string vlm_url=https://<provider>/v1 llm_url=https://<provider>/v1Worker scripts normalize OpenAI-compatible paths and run bounded readiness checks; they support in-cluster NIM, NVCF-style invoke endpoints, and other OpenAI-compatible providers.