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Using custom data plane labels

You can set labels on each data plane node to provide custom context information.

Labels are commonly used for metadata information. Set anything that you need to identify your data plane nodes – deployment type, region, size, the team that the node belongs to, the purpose it serves, or any other identifiable information.

Using labels makes it easier to manage data plane nodes at scale since you’re able to identify all of this information at a glance. For example, debugging and troubleshooting become much easier when you’re able to attribute a data plane node to a specific region or team.

Any labels you set on a data plane node are visible from the control plane via the /nodes Konnect API endpoint.

Set labels on a data plane node

Validate

Check the /nodes endpoint to ensure that your labels have been applied, and that the control plane is able to see them:

curl -i -X GET 'https://{region}.api.konghq.com/v2/control-planes/{controlPlaneId}/nodes' \
  --header 'Authorization: Bearer kpat_xgfT'

The response should look something like this, with an entry for labels:

{
    "items": [
        {
            "compatibility_status": {
                "state": "COMPATIBILITY_STATE_FULLY_COMPATIBLE"
            },
            "config_hash": "ab5ff425e2518yh23ne23ea41a",
            "created_at": 1683841722,
            "data_plane_cert_id": "5773b391-8d17-4306-a205-5ed4837b1479",
            "hostname": "fb64faa80215",
            "id": "639fd146-6e08-4e1f-868d-b04ef41b4905",
            "labels": {
                "deployment": "mycloud",
                "region": "us-east-1"
            },
            "last_ping": 1683844593,
            "type": "kong-proxy",
            "updated_at": 1683844593,
            "version": "3.3.0.0"
        }
    ],
    "page": {
        "next_cursor": "fgkWXVVfGRZFABRcQA19QVtCMWYNDw5KAJLFGHGIYDQBdQFQ==",
        "total_count": 1
    }
}