✨ Add nodereadinessrulereport CRD and controller

[Karthik-K-N]

Description

This PR creates nodereadinessrulereport CRD and controller

# kubectl get nrrp
NAME                                NODE                     MATCHED RULES   UNMATCHED RULES   APPLIED TAINTS   ERRORS   AGE
nrr-report-nrr-test-control-plane   nrr-test-control-plane   0               1                 0                0        82s
nrr-report-nrr-test-worker          nrr-test-worker          0               1                 1                0        82s
nrr-report-nrr-test-worker2         nrr-test-worker2         0               1                 1                0        82s


# kubectl apply -f examples/cni-readiness/network-readiness-rule.yaml
nodereadinessrule.readiness.node.x-k8s.io/network-readiness-rule unchanged


# kubectl get nrrp
NAME                                NODE                     MATCHED RULES   UNMATCHED RULES   APPLIED TAINTS   ERRORS   AGE
nrr-report-nrr-test-control-plane   nrr-test-control-plane   0               1                 0                0        3m33s
nrr-report-nrr-test-worker          nrr-test-worker          1               0                 0                0        3m33s
nrr-report-nrr-test-worker2         nrr-test-worker2         1               0                 0                0        3m33s


# kubectl get nrrp nrr-report-nrr-test-worker2 -o yaml
apiVersion: readiness.node.x-k8s.io/v1alpha1
kind: NodeReadinessRuleReport
metadata:
  creationTimestamp: "2026-02-20T13:05:33Z"
  generation: 1
  name: nrr-report-nrr-test-worker2
  ownerReferences:
  - apiVersion: v1
    blockOwnerDeletion: true
    controller: true
    kind: Node
    name: nrr-test-worker2
    uid: 8701cb81-06fa-4e92-9d82-5de9d6ef0c99
  resourceVersion: "1671"
  uid: db8a7abb-ecc0-4a6d-93f5-97ca3cbc6f53
spec:
  nodeName: nrr-test-worker2
status:
  readinessReports:
  - lastEvaluationTime: "2026-02-20T13:09:38Z"
    message: Node successfully matches all rule criteria.
    reason: CriteriaMet
    ruleName: network-readiness-rule
    ruleStatus: Matched
    taintStatus: Absent
  summary:
    appliedTaints: 0
    errors: 0
    matchedRules: 1
    unMatchedRules: 0

Related Issue

Fixes #89

Type of Change

Testing

Checklist

• make test passes
• make lint passes

Does this PR introduce a user-facing change?

Create nodereadinessrulereport CRD and controller

Doc #(issue)

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Karthik-K-N
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