Reading a Specified Node

Function

This API is used to obtain information about a specified node.

URI

GET /api/v1/nodes/{name}

Table 1 describes the parameters of this API.

Table 1 Parameter description

Parameter

Mandatory

Description

pretty

No

If 'true', then the output is pretty printed.

name

Yes

Name of the Node.

exact

No

Should the export be exact. Exact export maintains cluster-specific fields like 'Namespace'.

export

No

Should this value be exported. Export strips fields that a user cannot specify.

Request

N/A

Response

Response parameters:

For the description about response parameters, see Table 3.

Example response:

{
    "kind": "Node",
    "apiVersion": "v1",
    "metadata": {
        "name": "192.168.0.197",
        "namespace": "default",
        "selfLink": "/api/v1/namespaces/default/nodes/192.168.0.197",
        "uid": "868ecebc-dc8e-11e7-9c19-fa163e2d897b",
        "resourceVersion": "417841",
        "creationTimestamp": "2017-12-09T03:10:35Z",
        "labels": {
            "beta.kubernetes.io/arch": "amd64",
            "beta.kubernetes.io/os": "linux",
            "kubernetes.io/hostname": "192.168.0.197",
            "os.architecture": "amd64",
            "os.name": "EulerOS_2.0_SP2",
            "os.version": "3.10.0-327.44.58.35.x86_64",
            "supportContainer": "true"
        },
        "annotations": {
            "alpha.kubernetes.io/provided-node-ip": "192.168.0.197",
            "node.alpha.kubernetes.io/ttl": "0"
        },
        "enable": true
    },
    "spec": {
        "externalID": "192.168.0.197",
        "loginSecret": {},
        "schedulerHints": {}
    },
    "status": {
        "capacity": {
            "cpu": "2",
            "memory": "3744212Ki",
            "pods": "110"
        },
        "allocatable": {
            "cpu": "2",
            "memory": "3641812Ki",
            "pods": "110"
        },
        "phase": "Running",    #This field is supported only for clusters of v1.15 or earlier.
        "conditions": [
            {
                "type": "OutOfDisk",
                "status": "False",
                "lastHeartbeatTime": "2017-12-13T03:05:57Z",
                "lastTransitionTime": "2017-12-09T03:10:35Z",
                "reason": "KubeletHasSufficientDisk",
                "message": "kubelet has sufficient disk space available"
            },
            {
                "type": "MemoryPressure",
                "status": "False",
                "lastHeartbeatTime": "2017-12-13T03:05:57Z",
                "lastTransitionTime": "2017-12-09T03:10:35Z",
                "reason": "KubeletHasSufficientMemory",
                "message": "kubelet has sufficient memory available"
            },
            {
                "type": "NetworkCardNotFound",
                "status": "False",
                "lastHeartbeatTime": "2017-12-13T03:05:57Z",
                "lastTransitionTime": "2017-12-09T03:10:35Z",
                "reason": "NetworkCardFound",
                "message": "network card has found"
            },
            {
                "type": "DiskPressure",
                "status": "False",
                "lastHeartbeatTime": "2017-12-13T03:05:57Z",
                "lastTransitionTime": "2017-12-09T03:10:35Z",
                "reason": "KubeletHasNoDiskPressure",
                "message": "kubelet has no disk pressure"
            },
            {
                "type": "Ready",
                "status": "True",
                "lastHeartbeatTime": "2017-12-13T03:05:57Z",
                "lastTransitionTime": "2017-12-09T03:10:35Z",
                "reason": "KubeletReady",
                "message": "kubelet is posting ready status"
            }
        ],
        "addresses": [
            {
                "type": "InternalIP",
                "address": "192.168.0.197"
            },
            {
                "type": "Hostname",
                "address": "192.168.0.197"
            },
            {
                "type": "DataIP",
                "address": "192.168.0.197"
            }
        ],
        "daemonEndpoints": {
            "kubeletEndpoint": {
                "Port": 10250
            }
        },
        "nodeInfo": {
            "machineID": "6f7a744cc4094fea9ed9558f18f59093",
            "systemUUID": "E73BC002-0E0C-4166-8321-6FE46B5AD12D",
            "bootID": "747fd7db-1e6c-400b-a703-a1f43371f56f",
            "kernelVersion": "3.10.0-327.44.58.35.x86_64",
            "osImage": "EulerOS 2.0 (SP2)",
            "containerRuntimeVersion": "docker://1.11.2",
            "kubeletVersion": "v1.7.3-r13",
            "kubeProxyVersion": "v1.7.3-r13",
            "operatingSystem": "linux",
            "architecture": "amd64"
        },
        "images": [
            {
                "names": [
                    "canal-agent:2.5.T3.B020",
                    "canal-agent:latest"
                ],
                "sizeBytes": 461728195
            },
            {
                "names": [
                    "cfe-kubedns-amd64:2.11.25"
                ],
                "sizeBytes": 334909612
            },
            {
                "names": [
                    "cfe-exechealthz-amd64:2.11.25"
                ],
                "sizeBytes": 326663593
            },
            {
                "names": [
                    "cfe-kube-dnsmasq-amd64:2.11.25"
                ],
                "sizeBytes": 325558483
            },
            {
                "names": [
                    "euleros:2.2.5"
                ],
                "sizeBytes": 288596478
            },
            {
                "names": [
                    "10.125.5.235:20202/test/apache-php:latest"
                ],
                "sizeBytes": 244663227
            },
            {
                "names": [
                    "10.125.5.235:20202/test/redis:latest",
                    "10.125.5.235:20202/test/redis:v1"
                ],
                "sizeBytes": 109208225
            },
            {
                "names": [
                    "172.16.5.235:20202/test-01/mysql:v1"
                ],
                "sizeBytes": 108362139
            },
            {
                "names": [
                    "cfe-pause:2.11.25"
                ],
                "sizeBytes": 350164
            }
        ],
        "nodeState": {},
        "hostname": "node-v17.novalocal"
    }
}

Status Code

Table 2 describes the status code of this API.

Table 2 Status code

Status Code

Description

200

This operation succeeds, and a Node resource object is returned.

For the description about error status codes, see Status Code.