Cluster

Clusters

Returns general information about the clusters managed by the YuniKorn Scheduler. Information includes number of (total, failed, pending, running, completed) applications and containers.

URL : /ws/v1/clusters

Method : GET

Auth required : NO

Success response

Code : 200 OK

Content examples

As an example, here is a response from a 2-node cluster with 3 applications and 4 running containers.

[
    {
        "clusterName": "kubernetes",
        "totalApplications": "3",
        "failedApplications": "1",
        "pendingApplications": "",
        "runningApplications": "3",
        "completedApplications": "",
        "totalContainers": "4",
        "failedContainers": "",
        "pendingContainers": "",
        "runningContainers": "4",
        "activeNodes": "2",
        "totalNodes": "2",
        "failedNodes": ""
    }
]

Error response

Code : 500 Internal Server Error

Content examples

{
    "status_code": 500,
    "message": "system error message. for example, json: invalid UTF-8 in string: ..",
    "description": "system error message. for example, json: invalid UTF-8 in string: .."
}

Clusters utilization

Returns statistical data related the cluster resource utilization

URL : /ws/v1/clusters/utilization

Method : GET

Auth required : NO

Success response

Code : 200 OK

Content examples

[
    {
        "partition": "[mycluster]default",
        "utilization": [
            {
                "type": "memory",
                "total": 5076,
                "used": 1500,
                "usage": "29%"
            },
            {
                "type": "vcore",
                "total": 4000,
                "used": 300,
                "usage": "7%"
            }
        ]
    }
]

Error response

Code : 500 Internal Server Error

Content examples

{
    "status_code": 500,
    "message": "system error message. for example, json: invalid UTF-8 in string: ..",
    "description": "system error message. for example, json: invalid UTF-8 in string: .."
}