🌱 registry+v1: add APIService renderer support (OPRUN-4723) - #2885
🌱 registry+v1: add APIService renderer support (OPRUN-4723)#2885tmshort wants to merge 1 commit into
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📝 WalkthroughWalkthroughRegistryV1 now validates owned APIService deployment references and renders APIService resources with CA injection, authentication RBAC, deployment certificate volumes, and Service ports. Certificate providers support APIService annotations. The kube-aggregator dependency was added. ChangesOwned APIService rendering
Estimated code review effort: 3 (Moderate) | ~25 minutes Merge Risk: 🟡 Moderate · up to This PR adds APIService rendering and supporting RBAC, Services, and certificate wiring, but the current implementation can generate duplicate APIService/RBAC resources, allow invalid empty deployment references, and create conflicting Service ports for mixed definitions. These issues may cause extension APIs to fail installation or remain unavailable, so merge should wait for fixes or explicit owner acceptance. Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant RegistryV1
participant BundleCSVAPIServiceGenerator
participant CertificateProvider
participant KubernetesResources
RegistryV1->>BundleCSVAPIServiceGenerator: render owned APIService descriptions
BundleCSVAPIServiceGenerator->>CertificateProvider: inject CA annotation
BundleCSVAPIServiceGenerator->>KubernetesResources: create APIService and authentication RBAC
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 3
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Inline comments:
In `@go.mod`:
- Around line 262-267: Update the go.mod requirement for k8s.io/kube-aggregator
to be direct, then run make tidy and include all resulting module-file changes.
Record the required dependency-update discussion before merge.
In
`@internal/operator-controller/rukpak/render/registryv1/generators/generators.go`:
- Around line 539-554: Update the APIService port handling in the owned
APIService loop to detect conflicts with existing entries in
webhookServicePortsByDeployment for the same deployment, especially when the
Service port and target port differ. Resolve each conflict by validating it or
allocating a distinct Service port before inserting into the set, ensuring
generated Service ports have unique names and TCP port/protocol combinations.
In
`@internal/operator-controller/rukpak/render/registryv1/validators/validator.go`:
- Around line 366-377: Update CheckAPIServiceDeploymentReferentialIntegrity to
return a validation error when an owned APIService has an empty DeploymentName,
while retaining the existing error for names absent from deploymentNames. Add
tests covering both empty and unknown DeploymentName values.
Apply the same fix in
`@internal/operator-controller/rukpak/render/registryv1/generators/generators.go`
around lines 448 - 449: The generator-side symptom is covered by enforcing the
required field during validation.
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go.modinternal/operator-controller/rukpak/render/certproviders/certmanager.gointernal/operator-controller/rukpak/render/certproviders/openshift_serviceca.gointernal/operator-controller/rukpak/render/registryv1/generators/generators.gointernal/operator-controller/rukpak/render/registryv1/generators/generators_test.gointernal/operator-controller/rukpak/render/registryv1/registryv1.gointernal/operator-controller/rukpak/render/registryv1/registryv1_test.gointernal/operator-controller/rukpak/render/registryv1/validators/validator.go
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
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Inline comments:
In
`@internal/operator-controller/rukpak/render/registryv1/generators/generators.go`:
- Around line 77-83: Replace direct iteration over
CSV.Spec.APIServiceDefinitions.Owned with
rv1.CSV.GetOwnedAPIServiceDescriptions() to deduplicate APIService generation by
GetName() identity. Update the RBAC generation paths to track already-generated
bindings by service or deployment name, preventing duplicate ClusterRoleBinding
and RoleBinding objects when versions share a deployment. Add regression tests
covering duplicate APIService descriptions and shared-service RBAC.
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go.modinternal/operator-controller/rukpak/render/registryv1/generators/generators.gointernal/operator-controller/rukpak/render/registryv1/validators/validator.gointernal/operator-controller/rukpak/render/registryv1/validators/validator_test.go
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tmshort
changed the title
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The registry+v1 bundle renderer had no generator for APIService objects
from csv.spec.apiservicedefinitions.owned. This meant operators exposing
extension APIs via aggregation could not be migrated to OLMv1 (C3 hard
block in the migration tool).
Changes:
generators.go:
- BundleCSVAPIServiceGenerator: reads csv.spec.apiservicedefinitions.owned
and emits an APIService object for each entry (group=desc.Group,
version=desc.Version, GroupPriorityMinimum=2000, VersionPriority=15,
service reference to the certProvisioner's service in install namespace).
CA bundle injected via the CertificateProvider in opts.
- BundleCSVDeploymentGenerator: extended to inject apiservice-cert volume
and volume mounts into deployments that serve APIServices, matching the
existing webhook-cert injection path.
- BundleDeploymentServiceResourceGenerator: extended to create Services
for APIService-serving deployments (matching the webhook service path).
validators/validator.go:
- CheckAPIServiceDeploymentReferentialIntegrity: validates that every
owned APIService references a deployment that exists in the CSV install
spec, preventing misconfigured bundles from being installed.
certproviders/certmanager.go, openshift_serviceca.go:
- Added *apiregistrationv1.APIService case to InjectCABundle so the
cert-manager and openshift-service-ca providers annotate APIService
objects for CA bundle injection.
registryv1.go:
- Registered BundleCSVAPIServiceGenerator and
CheckAPIServiceDeploymentReferentialIntegrity.
Tests:
- generators_test.go: 4 tests for BundleCSVAPIServiceGenerator covering
zero-owned case, single APIService, multiple APIServices, and empty
DeploymentName fallback port.
- registryv1_test.go: enumeration tests updated.
go.mod/go.sum: upgraded k8s.io/kube-aggregator v0.36.2→v0.36.3.
Once this merges, the C3 hard block is removed from the migration tool
(operators with APIService definitions become Eligible with no override).
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
Signed-off-by: Todd Short <tshort@redhat.com>
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| if err := certProvisioner.InjectCABundle(apiService); err != nil { |
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issue (blocking): CertProviderResourceGenerator (line 621) only generates Issuer/Certificate resources for deployments that serve webhooks. When an operator has owned APIService definitions backed by a deployment with no webhooks, no cert-manager resources will be created — yet this line annotates the APIService with cert-manager.io/inject-ca-from referencing that non-existent Certificate.
Result: cert-manager has nothing to inject, the APIService has no CA bundle, InsecureSkipTLSVerify is false, and API aggregation fails with TLS errors.
The fix is to also include APIService deployment names in CertProviderResourceGenerator:
deploymentsNeedingCerts := sets.Set[string]{}
for _, wh := range rv1.CSV.Spec.WebhookDefinitions {
deploymentsNeedingCerts.Insert(wh.DeploymentName)
}
for _, desc := range rv1.CSV.GetOwnedAPIServiceDescriptions() {
if desc.DeploymentName != "" {
deploymentsNeedingCerts.Insert(desc.DeploymentName)
}
}(The downstream openshift-service-ca path is unaffected since its AdditionalObjects() is a no-op.)
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| // collect webhook service ports | ||
| // collect service ports from webhooks and owned APIService definitions | ||
| webhookServicePortsByDeployment := map[string]sets.Set[corev1.ServicePort]{} |
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nitpick: This variable now holds ports from both webhooks and APIService definitions but the name still says webhook. Consider renaming to servicePortsByDeployment to match the updated comment on line 541.
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| var errs []error | ||
| for _, desc := range rv1.CSV.Spec.APIServiceDefinitions.Owned { |
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thought (non-blocking): This iterates rv1.CSV.Spec.APIServiceDefinitions.Owned (raw, with potential duplicates) while all generators use rv1.CSV.GetOwnedAPIServiceDescriptions() (deduplicated, sorted). The choice seems intentionally fail-closed — validate every declared entry, even duplicates — but a brief comment noting why the raw field is used here (vs. the deduplicated method elsewhere) would help future readers.
2 participants
Summary
The registry+v1 bundle renderer had no generator for
APIServiceobjects fromcsv.spec.apiservicedefinitions.owned. This meant operators that expose extension APIs via Kubernetes API aggregation could not be migrated from OLMv0 to OLMv1 (C3 hard block in the migration tool).This PR adds full parity with OLMv0's
createOrUpdateAPIService+installCertRequirementsForDeploymentbehavior:BundleCSVAPIServiceGenerator— generates per owned APIService:APIServiceobject (GroupPriorityMinimum=2000,VersionPriority=15, service reference, CA bundle via cert provider)ClusterRoleBinding <service>-system:auth-delegator— delegates TokenReview/SubjectAccessReview to the extension API server (required for aggregation auth)RoleBinding <service>-auth-readerinkube-system— allows readingextension-apiserver-authenticationConfigMap (required for client CA config)BundleCSVDeploymentGeneratorextended to injectapiservice-certvolumes into deployments that serve APIServicesBundleDeploymentServiceResourceGeneratorextended to create Services for APIService-serving deploymentsCheckAPIServiceDeploymentReferentialIntegrityvalidator — verifies each owned APIService references an existing deploymentcertmanager,openshift_serviceca) updated to handle*apiregistrationv1.APIServiceinInjectCABundleThe only intentional difference from OLMv0: cert issuance uses cert-manager (upstream) / openshift-service-ca (downstream) rather than OLMv0's built-in cert rotation. CA bundle injection via annotation is supported by cert-manager for APIService objects.
Downstream effect: Once merged, the C3 hard block is removed from the OLMv0→OLMv1 migration tool (library-olm) — operators with owned APIService definitions become Eligible with no override flag required.
Closes OPRUN-4723.
Test plan
go build ./internal/operator-controller/rukpak/...passesgo test ./internal/operator-controller/rukpak/...— all pass (4 new generator tests, validator test, enumeration tests updated)Available=Trueand extension API is reachable🤖 Generated with Claude Code
Summary by CodeRabbit
New Features
Tests