fix(stack): use upstream NATS for Dynamo - #1928
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Point Dynamo's bundled NATS server at docker.io/library/nats and expose registry, repository, and tag overrides for private mirrors. The existing NATS 2.10.21-alpine dependency version and license are unchanged. Relates to #1845 Signed-off-by: Stephanie Baum <sbaum@nvidia.com>
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Included review availability: Your plan provides up to 12 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe compute-plane stack configures the Dynamo NATS image with registry, repository, and tag values. It documents overrides, wires them into Helmfile, and validates default and override rendering through the local test workflow. ChangesNATS image source
Priority: ⬇️ Low Estimated code review effort: 2 (Simple) | ~10 minutes Change: Bug fix Merge Risk: ⚪ Minimal · up to The change has no identified unresolved behavior or deployment risk and is ready to merge with normal checks. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
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sbaum1994
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September 15, 2026 23:59
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Inline comments:
In `@deploy/stacks/nvcf-compute-plane/tests/nats-server-source.sh`:
- Around line 20-24: Add an override fixture or render step in the NATS source
test that sets addons.dynamoOperator.nats.image registry, repository, and tag to
non-default values, then assert the rendered Dynamo NATS StatefulSet image
contains those values while preserving the existing default validation.
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deploy/stacks/nvcf-compute-plane/Makefiledeploy/stacks/nvcf-compute-plane/README.mddeploy/stacks/nvcf-compute-plane/environments/base.yamldeploy/stacks/nvcf-compute-plane/helmfile.d/01-dependencies.yaml.gotmpldeploy/stacks/nvcf-compute-plane/tests/nats-server-source.sh
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kristinapathak
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Sep 16, 2026
Replace the static template-text check with a targeted Helmfile render that supplies non-default NATS registry, repository, and tag values, then validates the resulting StatefulSet image. Relates to #1845 Signed-off-by: Stephanie Baum <sbaum@nvidia.com>
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TL;DR
Resolve Dynamo's bundled NATS server from the official Docker Hub image instead of leaving the single-name
natsreference ambiguous. Preserve registry, repository, and tag overrides for private mirrors.Additional Details
Why
The Dynamo 1.4.2 chart defaults its bundled NATS server to
nats:2.10.21-alpine. The image is the official Docker Hub NATS image, but the single-name reference does not identify its registry or namespace. The stack inventory and docs sync therefore cannot safely classify it as upstream and leave it in publication pending.What changed
docker.io/library/nats:2.10.21-alpine.addons.dynamoOperator.nats.image.registry,repository, andtagfor private or disconnected mirrors.Customer Release Notes
Dynamo's bundled NATS server now resolves directly from the official Docker Hub image by default. Its registry, repository, and tag can be redirected to a private mirror.
Plan Summary
No Kubernetes resources or dependency versions change. The rendered image reference changes from the implicit Docker Hub name
nats:2.10.21-alpineto the canonical equivalentdocker.io/library/nats:2.10.21-alpine.Usage
Connected installations need no configuration. To use a private mirror:
Testing
make test-localindeploy/stacks/nvcf-compute-planego test ./...intools/docs-version-syncnvcr.io/nvidia/ncp-dev/natsgit diff --checkThe full compute-plane render matches the updated golden manifests. The mirror override is present in the built Dynamo release values.
Notes
QA is needed. After this merges, publish the next compute-plane stack release so its resolved inventory records
docker.io/library/nats. Then rerun docs PR #1907 against that release to removenatsfrom publication pending.References
Related Pull Requests
Dependencies
NATS 2.10.21 is an existing Apache-2.0 dependency. Its version and license do not change, and no NOTICE update is required.
For the Reviewer
Review the nested Dynamo values in
01-dependencies.yaml.gotmpland the environment override shape inenvironments/base.yaml.For QA
docker.io/library/nats:2.10.21-alpine.addons.dynamoOperator.nats.imagefields to a test mirror and confirm the NATS StatefulSet uses that mirror.Issues
Relates to #1845
Checklist
Summary by CodeRabbit
New Features
docker.io/library/nats:2.10.21-alpine.Documentation
Tests