Add API version 2026-06-15-preview and resource type UpgradeAssessments in KubernetesConfiguration RP

[bgriddaluru]

Add API version 2026-06-15-preview and resource type UpgradeAssessments in KubernetesConfiguration RP

Overview

This PR adds support for the Kubernetes upgrade assessment feature in Kubernetes Configuration RP.

1. An in-cluster agent gathers inventory and metrics from the Kubernetes API server and generates an upgrade assessment report.
2. The report highlights Kubernetes components that may fail or become incompatible after a Kubernetes upgrade.
3. The in-cluster agent sends the report to Kubernetes Configuration RP, which publishes it to ARG through ARN.
4. Users can view the report in the Azure portal or query it directly from ARG.

Notes

1. UpgradeAssessment is a read-only resource. So the provisioningState field is intentionally omitted.

[github-actions]

Next Steps to Merge

Next steps that must be taken to merge this PR:

• ❌ This PR is in purview of the ARM review (label: ARMReview). This PR must get ARMSignedOff label from an ARM reviewer.
  This PR is awaiting ARM reviewer feedback (label: WaitForARMFeedback).
  To learn when this PR will get reviewed, see ARM review queue at aka.ms/azsdk/pr-arm-review
  For details of the ARM review, see aka.ms/azsdk/pr-arm-review
  

Comment generated by summarize-checks workflow run.

[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

Language	API Review for Package
Swagger	Microsoft.KubernetesConfiguration-operations
Swagger	Microsoft.KubernetesConfiguration-upgradeAssessments
TypeSpec	Microsoft.KubernetesConfiguration
Go	sdk/resourcemanager/kubernetesconfiguration/armupgradeassessments
Python	azure-mgmt-kubernetesconfiguration-upgradeassessments
JavaScript	@azure/arm-kubernetesconfiguration-upgradeassessments
C#	Azure.ResourceManager.KubernetesConfiguration.UpgradeAssessments
Java	com.azure.resourcemanager:azure-resourcemanager-kubernetesconfiguration-upgradeassessments

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Comment generated by After APIView workflow run.

[ravimeda]

ARM API Review

Posting findings from the ARM API Reviewer agent (critic-verified, 1 iteration, converged) against commit 796a423. See inline comments for findings 1-4.

[psah434]

[NEW] 🟠 Warning — cross-file consistency + correctness — UpgradeAssessment.tsp line 52 (@pattern), doc lines 46-47

The clusterRp path-parameter allowlist pattern ^Microsoft\.(ContainerService|Kubernetes|HybridContainerService|KubernetesConfiguration)$ and its description include Microsoft.KubernetesConfiguration as a valid Kubernetes cluster RP. Microsoft.KubernetesConfiguration is the extension RP itself and hosts no Kubernetes clusters. The sibling operations/preview/2026-06-15-preview/operations.json (line 106) lists only Microsoft.ContainerService, Microsoft.Kubernetes, Microsoft.HybridContainerService. This is an intra-RP inconsistency and a likely copy artifact.

Classification reasoning: [NEW] — this resource and its clusterRp parameter are introduced in this PR; no previous version exists.

Suggested fix: Remove KubernetesConfiguration from the @pattern and the description unless there is a concrete scenario where an upgrade assessment targets a cluster hosted by Microsoft.KubernetesConfiguration. Please confirm the intended cluster-RP set.

[psah434]

[NEW] 🔵 Suggestion — description accuracy — models.tsp line 151

ReadinessCheck.details doc says "Human-readable reason when severity is not 'pass'." but the Severity enum is None | Warning | Critical | Unknown — there is no pass value. A reviewer previously flagged severity = pass in the example (now corrected to None), but this description text still references the nonexistent value.

Classification reasoning: [NEW] — introduced in this PR.

Suggested fix: Reword, e.g. "Human-readable reason when severity is not 'None'."

[bgriddaluru]

Fixed review comments in latest patch