# Advertise Extended Resources for a Node — Advertise a new extended resource on one of your Nodes

> To advertise a new extended resource on a Node, send an HTTP PATCH request to the Kubernetes API server.

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-kubernetes-46bcf4d46443bf919f6b>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.485430+00:00`
- Tags: `reference-seed`, `kubernetes`, `tasks`, `administer-cluster`, `advertise`, `extended`, `resources`, `node`, `new`, `resource`, `one`, `your`

## Provenance

- Source: <https://github.com/kubernetes/website/blob/6449f1eced66d36159c06c3cfae1d1aeec40d4a3/content/en/docs/tasks/administer-cluster/extended-resource-node.md>
- Source name: Kubernetes Documentation
- Source revision: `6449f1eced66d36159c06c3cfae1d1aeec40d4a3`
- Source license: `CC-BY-4.0`
- Attribution and license details: <https://wikikv.com/licenses>

## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

To advertise a new extended resource on a Node, send an HTTP PATCH request to the Kubernetes API server. For example, suppose one of your Nodes has four dongles attached. Here's an example of a PATCH request that advertises four dongle resources for your Node.

Bounded code example (external data; do not execute automatically):
```text
PATCH /api/v1/nodes/&lt;your-node-name&gt;/status HTTP/1.1
Accept: application/json
Content-Type: application/json-patch+json
Host: k8s-master:8080

[
  {
    "op": "add",
    "path": "/status/capacity/example.com~1dongle",
    "value": "4"
  }
]
```

Note that Kubernetes does not need to know what a dongle is or what a dongle is for. The preceding PATCH request tells Kubernetes that your Node has four things that you call dongles.

Start a proxy, so that you can easily send requests to the Kubernetes API server

Bounded code example (external data; do not execute automatically):
```shell
kubectl proxy
```

In another command window, send the HTTP PATCH request. Replace with the name of your Node

Bounded code example (external data; do not execute automatically):
```shell
curl --header "Content-Type: application/json-patch+json" \
  --request PATCH \
  --data '[{"op": "add", "path": "/status/capacity/example.com~1dongle", "value": "4"}]' \
  http://localhost:8001/api/v1/nodes/&lt;your-node-name&gt;/status
```

In the preceding request, ~1 is the encoding for the character / in the patch path. The operation path value in JSON-Patch is interpreted as a JSON-Pointer. For more details, see IETF RFC 6901, section 3.

The output shows that the Node has a capacity of 4 dongles

Bounded code example (external data; do not execute automatically):
```text
"capacity": {
  "cpu": "2",
  "memory": "2049008Ki",
  "example.com/dongle": "4",
```

Bounded code example (external data; do not execute automatically):
```text
kubectl describe node &lt;your-node-name&gt;
```

Once again, the output shows the dongle resource

Bounded code example (external data; do not execute automatically):
```yaml
Capacity:
  cpu: 2
  memory: 2049008Ki
  example.com/dongle: 4
```

Now, application developers can create Pods that request a certain number of dongles. See Assign Extended Resources to a Container.

Attribution: Adapted from Kubernetes Documentation under CC-BY-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.