fix(deps): update kubernetes packages to v0.35.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
k8s.io/api	v0.34.2 → v0.35.0
k8s.io/apimachinery	v0.34.2 → v0.35.0
k8s.io/client-go	v0.34.2 → v0.35.0
k8s.io/kubelet	v0.34.2 → v0.35.0

---

Release Notes

kubernetes/api (k8s.io/api)

v0.35.0

Compare Source

v0.34.3

Compare Source

kubernetes/apimachinery (k8s.io/apimachinery)

v0.35.0

Compare Source

v0.34.3

Compare Source

kubernetes/client-go (k8s.io/client-go)

v0.35.0

Compare Source

v0.34.3

Compare Source

kubernetes/kubelet (k8s.io/kubelet)

v0.35.0

Compare Source

v0.34.3

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.41%. Comparing base (0d8e044) to head (e7ad2fa).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1355   +/-   ##
=======================================
  Coverage   74.41%   74.41%           
=======================================
  Files          53       53           
  Lines        3666     3666           
=======================================
  Hits         2728     2728           
  Misses        766      766           
  Partials      172      172           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[renovate]

ℹ️ Artifact update notice

File name: go.mod

In order to perform the update(s) described in the table above, Renovate ran the go get command, which resulted in the following additional change(s):

• 5 additional dependencies were updated

Details:

Package	Change
github.com/go-logr/logr	v1.4.2 -> v1.4.3
gopkg.in/evanphx/json-patch.v4	v4.12.0 -> v4.13.0
k8s.io/kube-openapi	v0.0.0-20250710124328-f3f2b991d03b -> v0.0.0-20250910181357-589584f1c912
k8s.io/utils	v0.0.0-20250604170112-4c0f3b243397 -> v0.0.0-20251002143259-bc988d571ff4
sigs.k8s.io/json	v0.0.0-20241014173422-cfa47c3a1cc8 -> v0.0.0-20250730193827-2d320260d730

[kondracek-nr]

Claude analysis of 0.34.3 -> 0.35.0 k8s.io package update

Summary: Kubernetes v0.34.x → v0.35.0 Upgrade Analysis

Breaking Changes Assessment: ✅ No relevant breaking changes

The upgrade is safe for this repository. Here's why:

Changes That Don't Affect Us:

1. gogo/protobuf removal - Not used in source code (only in vendored dependencies)
2. Kubelet flag removal (--pod-infra-container-image) - We don't configure kubelet
3. cgroups v1 deprecation - Affects cluster operators, not monitoring clients
4. IPVS mode deprecation - Irrelevant to this integration

Changes That Are Beneficial:

1. Client-go informer fix - Fixes a regression in v0.34+ that prevented informers from using configured Transformer functions. This actually improves reliability.
2. New PodStatus fields - Resources and AllocatedResources fields added. We don't currently use these, but they're available if needed in the future.
3. Various kubelet bug fixes - Fixes for volume stats metrics and other edge cases.

Test Coverage: ✅ Excellent

The test suite comprehensively covers all areas that use the updated packages:

Pod API Usage (src/kubelet/metric/pods_test.go:248-436):

• ✅ Pod parsing from kubelet /pods endpoint
• ✅ PodStatus extraction (conditions, phase, ready state)
• ✅ Container status parsing (Running, Waiting, Terminated)
• ✅ Sidecar container handling (Kubernetes 1.28+ feature)
• ✅ Priority and PriorityClassName fields
• ✅ Resource requests/limits extraction
• ✅ Owner reference parsing

Stats API Usage (src/kubelet/metric/metric_test.go:10-678):

• ✅ Kubelet /stats/summary endpoint parsing
• ✅ NodeStats, PodStats, ContainerStats parsing
• ✅ Network metrics and interface data
• ✅ Volume stats and filesystem metrics
• ✅ Missing field handling (resilient to incomplete data)

Informer/Lister Usage (internal/discovery/pods_lister_test.go:32-278):

• ✅ Multi-namespace pod discovery
• ✅ Label selector filtering
• ✅ Informer cache sync and updates
• ✅ Lister functionality

Node API Usage:

• ✅ Node status queries (src/kubelet/client/connector.go:193)
• ✅ DaemonEndpoints access for kubelet port discovery
• ✅ Node capacity and allocatable resources

Test Results: ✅ All Passing

After syncing the vendor directory with go mod vendor, all tests pass:
✅ src/kubelet/metric/... - 0.507s
✅ internal/discovery/... - 4.444s
✅ All packages tested successfully

What We Actually Use From The Updated Packages:

From k8s.io/api/core/v1:

• Pod, PodList, PodStatus, PodSpec
• Node, NodeStatus
• Service, Endpoints
• Namespace, Secret
• Container resources (CPU, Memory)

From k8s.io/client-go:

• Kubernetes clientset creation
• Informer factories for caching
• Listers for efficient lookups
• REST config and transport layers

From k8s.io/kubelet/pkg/apis/stats/v1alpha1:

• Summary, NodeStats, PodStats, ContainerStats
• NetworkStats, VolumeStats, FsStats

All of these APIs remain stable and backward compatible in v0.35.0.