docs(catalog): add agentgateway upgrade guidance for operators - #2584
docs(catalog): add agentgateway upgrade guidance for operators#2584yuanchen8911 wants to merge 5 commits into
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Protected recipesRecipes with committed evidence (
Other affected recipes without evidence yet: 27These recipes are affected by this PR but carry no committed evidence pointer, so there is
How to refresh evidenceRun on a cluster matching the recipe's aicr snapshot -o snapshot.yaml
# Profiled families (AKS/GKE gpuStack): hydrate the recipe with the
# pointer's recorded 'profile:' selection first — validating the raw
# overlay resolves only the declaration default, and 'aicr validate'
# has no --profile flag. AKS additionally needs the pool projection
# (GKE uses the plain snapshot above):
# az aks nodepool list -g <rg> --cluster-name <cluster> -o json > pools.json
# aicr snapshot --aks-gpu-pools pools.json -o snapshot.yaml
# aicr recipe -s snapshot.yaml --intent <intent> [--platform <platform>] \
# --profile <name>=<value> -o recipe.yaml
# State the target leaf's intent/platform explicitly (the snapshot
# fingerprint supplies service/accelerator/OS but intent and platform
# default to 'any') and pass -r recipe.yaml below instead of the raw
# overlay.
aicr validate \
-r recipes/overlays/<slug>.yaml \
-s snapshot.yaml \
--emit-attestation ./out \
--push ghcr.io/<your-fork>/aicr-evidence
# Copy to the per-source path printed in the emit 'copyTo' hint:
# recipes/evidence/<slug>/<source>/<bundle-digest>.yamlThis gate is warning-only and never blocks merge. See ADR-007 for the trust model. |
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| defaultRepository: oci://cr.agentgateway.dev/charts | ||
| defaultChart: agentgateway-crds | ||
| defaultVersion: v1.3.1 | ||
| defaultVersion: v1.5.0 |
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MINOR: agentgateway-crds v1.5.0 adds agentgatewaymodels.agentgateway.dev, but the component health check still asserts only the previous three chart CRDs even though it says every installed CRD is checked. If the Model CRD is missing or never becomes Established=True while those three are healthy, validation reports an incomplete API surface as healthy. The pinned chart adds the CRD; the current check omits it.
Minimum correction: Add an Established=True assertion for agentgatewaymodels.agentgateway.dev and cover the expanded chart CRD set in the health-check fixture.
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Good catch — confirmed and fixed in cbd4cc5.
v1.5.0 does add a fourth CRD that v1.3.1 did not ship:
v1.3.1: agentgatewaybackends, agentgatewayparameters, agentgatewaypolicies
v1.5.0: agentgatewaybackends, agentgatewayparameters, agentgatewaypolicies, agentgatewaymodels
So the header's claim that every installed CRD is verified stopped being true the moment this PR bumped the pin, and a Models CRD that never reached Established=True would have passed while the other three were healthy — a vacuous pass, and one this PR introduced rather than inherited.
validate-agentgateway-crds-established now asserts agentgatewaymodels.agentgateway.dev alongside the other three, with a comment recording that it arrived in v1.5.0 so the next version bump has a reason to re-check the set.
Appended rather than amended so your inline anchors survive; this does dismiss the approval under dismiss_stale_reviews_on_push, so re-requesting review.
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In `@pkg/recipe/testdata/catalog_parity_golden.yaml`:
- Line 39: Restore the prior h100-kind-training-slurm digest in
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Request changes: 1 MAJOR, 1 NIT new against 18a6299; 1 prior finding resolved. Required checks pass; the failing non-required KWOK lanes reflect unrelated Argo CD schema and monitoring-sync conditions.
NIT: The AI-conformance fixture still identifies the tested chart as v1.3.1, so its diagnostics now name the wrong runtime version. The stale version is here.
Minimum correction: Update the comment to v1.5.0.
| defaultRepository: oci://cr.agentgateway.dev/charts | ||
| defaultChart: agentgateway | ||
| defaultVersion: v1.3.1 | ||
| defaultVersion: v1.5.0 |
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MAJOR: This moves every inference recipe from AgentGateway v1.3.1 to v1.5.0 while the PR says "No migration," but v1.5.0's release notes document breaking changes to JWT claim enforcement, token accounting and CEL expressions, policy merging, cross-namespace route delegation, API-key metadata, and Istio identity. Existing clusters using those configurations can lose authentication or routing, or silently change policy and rate-limit behavior when a regenerated bundle is applied.
Minimum correction: Add shipped v1.3.1-to-v1.5.0 migration guidance for the applicable AICR paths, including detection and remediation plus the temporary token-semantics compatibility setting, or prove and document which upstream breaking changes are outside AICR's supported path.
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Verified the mechanism, and taking the second option you offered — proving which upstream changes are outside AICR's supported path — rather than shipping migration guidance for features AICR does not configure.
You are right that "No migration" was too broad, and the rollout notes are rewritten.
The breaking changes are real. Across v1.4.0 and v1.5.0 upstream documents ten of them. But AICR creates exactly two agentgateway resources: an AgentgatewayParameters carrying deployment/service shape only (loadBalancerSourceRanges, nodeSelector, tolerations, labels) and a Gateway. It ships no AgentgatewayPolicy, AgentgatewayBackend, or AgentgatewayModel:
$ grep -hE "^kind:" recipes/components/agentgateway/manifests/inference-gateway.yaml | sort -u
kind: AgentgatewayParameters
kind: Gateway
Every listed change lands on surface AICR does not populate:
| Upstream breaking change | Reachable in AICR? |
|---|---|
| LLM token counts include prompt-cache tokens | No — requires an LLM policy; none shipped |
| JWT issuer/audience required when configured | No — no JWT configured |
| Backend/LLM policies merge field by field | No — no policies or backends shipped |
| Cross-namespace route delegation needs ReferenceGrant | No — AICR creates no HTTPRoute |
| Managed API key metadata prefix | No — no managed API keys |
| Legacy Istio identity TLV removed | No — Istio not used |
| Gateway API v1.6 / TCPRoute v1 | No — vendors the v1.2.1 bundle, no TCPRoute |
| MCP guardrail rejections return HTTP 200 | No — no MCP guardrails configured |
Standalone auth.location nesting |
No — standalone mode; AICR uses the CRD path |
| musl container images removed | No — musl variants not pinned |
Two things I want to state rather than leave implied.
A user who hand-authors their own AgentgatewayPolicy or AgentgatewayBackend against an AICR-deployed gateway is exposed, because those resources sit outside AICR's managed set and AICR can neither detect nor migrate them. That is now called out explicitly in the rollout notes, pointing at the upstream v1.4.0/v1.5.0 notes.
And CI exercises fresh installs, not in-place v1.3.1 to v1.5.0 upgrades. The 15 green inference lanes prove the new pin deploys and health-checks correctly on Kubernetes 1.37; they do not prove an existing cluster upgrades cleanly. Also noted in the body.
If you would rather see shipped migration guidance regardless of reachability, say so and I will write it — but I did not want to document a migration path for JWT, token accounting, and policy merging that no AICR-generated bundle can exercise.
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Shipped the guidance in 6fce8ee09 — you were right that the PR body was the wrong place for it.
My earlier reply argued the upstream breaks are unreachable through AICR's managed surface, and I still think that holds. But "shipped" was the operative word in your ask and I under-weighted it: a reachability table in a PR description reaches no operator, and this repo discards commit bodies at squash-merge, so that analysis would have evaporated at merge. Meanwhile the one genuine exposure I identified myself — users who hand-author their own policies — had no warning anywhere in the product.
docs/user/component-catalog.md now carries an Upgrading agentgateway across breaking releases section covering both sides of the boundary:
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AICR-generated bundles are unaffected, with the reason stated concretely (only
AgentgatewayParametersand theinference-gatewayGatewayare created; noAgentgatewayPolicy,AgentgatewayBackend,AgentgatewayModel, orHTTPRoute), so the JWT, token-accounting, policy-merging, cross-namespace-delegation, API-key and Istio changes land on surface AICR never populates. -
Detection for operators who may be exposed:
kubectl get agentgatewaypolicies,agentgatewaybackends,agentgatewaymodels -A
Empty output means no action needed; anything returned means read the upstream notes for every version between the pins and validate off-production first.
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An explicit statement that CI exercises fresh installs rather than in-place upgrades, so a green release is not an in-place upgrade certification.
It is written against pin bumps generally rather than v1.3.1→v1.5.0 specifically, so it stays accurate at the next bump instead of becoming a dated changelog entry.
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NIT addressed in The MAJOR is answered on its thread with a per-change reachability table. Short version: the ten upstream breaking changes across v1.4.0/v1.5.0 are real, but AICR creates only Two caveats now stated in the body rather than left implied: users who hand-author their own policies against an AICR gateway are exposed and AICR cannot migrate them, and CI covers fresh installs rather than in-place v1.3.1→v1.5.0 upgrades. |
A pin bump can cross an upstream release with breaking changes. Document what that means on each side of AICR's managed boundary: AICR-generated bundles are unaffected, because AICR creates only an AgentgatewayParameters (deployment/service shape) and the inference-gateway Gateway - no AgentgatewayPolicy, AgentgatewayBackend, AgentgatewayModel or HTTPRoute - so upstream breaks to JWT enforcement, token accounting, policy merging, cross-namespace delegation, API-key metadata and Istio identity land on surface AICR never populates. User-authored policies are exposed and AICR cannot detect or migrate them, so give operators a kubectl detection command and point at the upstream notes. Also record that CI covers fresh installs rather than in-place upgrades, so a green release is not an in-place upgrade certification. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
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Rescoped to docs-only. Force-pushed @mchmarny opened #2587 with the same v1.3.1 → v1.5.0 bump, and it catches something this PR missed: v1.5.0 splits RBAC so that leaving So everything overlapping is dropped from here — the registry pin, the health-check CRD assert, both goldens, What remains is the part #2587 does not carry: the operator-facing upgrade guidance in Two notes for anyone returning to this thread:
The bump itself was validated before the rescope: 14–15 green inference lanes on kind 1.37 across several runs, against the same lanes failing on #2520. |
The command named agentgatewaymodels explicitly, but that kind only exists from chart v1.4.0 onward, so it would fail on clusters running an older pin - exactly the readers who most need the check before upgrading. Discover the kinds from the cluster instead, and use a portable shell loop rather than 'xargs -r', which is GNU-only. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
From agentgateway chart v1.5.0 the controller's write permissions are scoped by rbac.gatewayNamespaces, and AICR sets it to agentgateway-system. That is a user-visible behavior change: only Gateways in the listed namespaces are provisioned, and one placed elsewhere is accepted by the API server but never gets an address, with forbidden in the controller log as the only signal. Record why the default is unsafe (an empty list binds the write role with a ClusterRoleBinding, giving a network-facing controller cluster-wide write), how to add namespaces, and the two constraints that make the naive edit fail: the namespaces must already exist, and the key is a list so it needs --set-json rather than --set. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
…PI routes Three defects in the detection guidance: The check failed open. If an aggregated APIService is unhealthy, kubectl api-resources exits non-zero, the command substitution yields an empty list, the loop body never runs and the operator reads 'nothing else appears' as clear - a silent false negative on the section's only check. Capture the status and exit instead. It missed operator-authored routes. The loop enumerated only agentgateway.dev, so HTTPRoute and GRPCRoute objects attached to the AICR gateway were invisible - the very objects the cross-namespace delegation change affects, which the same section enumerates as a breaking change. The version query could not run as written. 'aicr query' rejects zero criteria (pkg/cli/query.go), and agentgateway exists only in inference recipes, so the example needs criteria that resolve one. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
Namespace-scoping the controller's write RBAC reduces cross-namespace blast radius, but it does not confine pod privileges or node placement: a DaemonSet created inside agentgateway-system still lands a pod on every node, and the namespace carries no Pod Security Admission labels. Correct the values comment to say so and name admission control as the control for node reach rather than implying RBAC covers it. Also document what an agentgateway pin bump means for operators. AICR bundles create only an AgentgatewayParameters and the inference-gateway Gateway, so upstream breaking changes land on surface AICR never populates; resources a user authors themselves are exposed and AICR can neither detect nor migrate them. Give the detection command and record that CI exercises fresh installs of a pinned chart, not in-place upgrades. Fixes: #2584 Signed-off-by: Mark Chmarny <mark@chmarny.com>
…nventory Two corrections to the gateway-namespace-scoping guidance. The security claim was overstated. Scoping rbac.gatewayNamespaces reduces the blast radius to a namespace set, but it does not remove the node-wide primitive: the deployer role still grants daemonsets, and a DaemonSet created in a permitted namespace still schedules pods onto every node. Say what the scoping buys - narrower namespace write and no cluster-wide Secret read - rather than implying containment. The guidance also told operators to add namespaces for additional Gateways without telling them to find the ones they already have. A Gateway that works today under the chart's unscoped default stops reconciling once the list is scoped and its namespace is omitted, so inventory Gateways by gatewayClassName before upgrading. Signed-off-by: Yuan Chen <yuanchen97@gmail.com>
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Closing in favor of #2587, which now carries this guidance directly alongside the pin bump it describes. #2587 grew its own The four corrections this PR had accumulated are now applied on #2587 in
Nothing here is lost; the branch remains if any of it needs recovering. |
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Summary
Adds two operator-facing sections to
docs/user/component-catalog.md:rbac.gatewayNamespacesscoping means for anyone adding a Gateway of their own.Motivation / Context
AICR pins the
agentgatewayandagentgateway-crdscharts inrecipes/registry.yaml, and a pin bump can cross an upstream release that documents breaking changes — v1.4.0 and v1.5.0 between them document ten, covering JWT claim enforcement, LLM token accounting, policy merging, cross-namespace route delegation, managed API-key metadata, Istio identity, Gateway API/TCPRoute, MCP guardrails, standalone auth, and musl images.Nothing in the product told operators how to reason about that. The gap matters asymmetrically:
AgentgatewayParameterscarrying deployment and service shape only, and theinference-gatewayGateway. It ships noAgentgatewayPolicy,AgentgatewayBackend,AgentgatewayModel, orHTTPRoute, so every one of those breaking changes lands on surface AICR never populates.Related: #2587 — bumps the
agentgateway/agentgateway-crdspin from v1.3.1 to v1.5.0 (and scopes the controller's RBAC). This PR is the operator-facing documentation for what a bump like that means; #2587 is the bump. They touch disjoint files, so there is no conflict and either can merge first.Type of Change
Component(s) Affected
docs/,examples/)Implementation Notes
Gateway namespace scoping. From chart v1.5.0 the controller's write permissions are scoped by
rbac.gatewayNamespaces, which #2587 sets toagentgateway-system. That is a user-visible behavior change with a silent failure mode — only Gateways in the listed namespaces are provisioned, and one placed elsewhere is accepted by the API server but never gets an address, withforbiddenin the controller log as the only signal. The section records why the chart's empty default is unsafe (it binds the write role with aClusterRoleBinding, giving a network-facing controller cluster-wide write including DaemonSets and Secrets), how to add namespaces, and the two constraints that make the naive edit fail: the namespaces must already exist, and the key is a list so it needs--set-jsonrather than--set.This documentation lives here rather than in #2587 deliberately. The repo dismisses approvals on any push, so adding docs to #2587 after it is approved would dismiss that approval and force a second review cycle; keeping #2587 code-only lets it be approved and merged in one pass.
Merge after #2587. Both sections describe behavior that only exists once the v1.5.0 pin lands —
rbac.gatewayNamespacesdoes not exist on the current v1.3.1 chart. The prose is written to name the version it applies from, but landing this after #2587 keeps the docs from describing a setting the repo does not yet use.Written against pin bumps generally rather than v1.3.1 to v1.5.0 specifically, so it stays accurate at the next bump instead of aging into a dated changelog entry. It contains no hardcoded chart version and no dependency on #2587.
The section gives operators a detection command that discovers the kinds from the cluster rather than naming them:
Discovery matters for correctness, not elegance. The API group grows across chart versions —
AgentgatewayModelonly exists from chart v1.4.0 onward — so naming the kinds explicitly would make the command fail withthe server doesn't have a resource typeon exactly the clusters that still run an older pin, which are the readers who most need to run it. Written this way it is correct on both sides of a bump. The loop is used instead ofxargs -rbecause-ris GNU-only and silently differs on macOS.AICR's own
AgentgatewayParametersnamedsystem-proxyinagentgateway-systemis expected in the output. Anything else is operator-authored, and means reading the upstream release notes for every version between the pins and validating off-production first.It also records that AICR CI exercises fresh installs of a pinned chart, not in-place upgrades from an older pin — so a green release validates that the new version deploys and passes health checks, and is not an in-place upgrade certification.
Testing
Docs-only. Per the repo's doc-only verification allowance, full
make qualifywas not run — no Go, recipe, or CI-config change can regress from prose. Checks run:yamllint docs/— cleandocs/user/component-version-matrix.md)agentgateway-crdsv1.3.1 ships three CRDs and v1.5.0 ships four, confirmingAgentgatewayModelwould break an explicitly-named command on the older pin## Documentation Styleconventions: promoted to###under an existing##section, with more than eight content lines beneath itThe lychee link check runs in CI on any PR touching
docs/**and is the authoritative check for the link.Risk Assessment
Prose only; no generated artifact, schema, or recipe is touched.
Rollout notes: None.
Checklist
git commit -S)