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Use DescribeNodegroup with a CLI - AWS SDK Code Examples

There are more AWS SDK examples available in the AWS Doc SDK Examples GitHub repo.

Use DescribeNodegroup with a CLI

The following code examples show how to use DescribeNodegroup.

Action examples are code excerpts from larger programs and must be run in context. You can see this action in context in the following code example:

CLI
AWS CLI

Describe a managed node group for an Amazon EKS cluster

The following describe-nodegroup example describes a managed node group for an Amazon EKS cluster.

aws eks describe-nodegroup \
    --cluster-name my-eks-cluster \
    --nodegroup-name my-eks-nodegroup

Output:

{
    "nodegroup": {
        "nodegroupName": "my-eks-nodegroup",
        "nodegroupArn": "arn:aws:eks:us-east-2:111122223333:nodegroup/my-eks-cluster/my-eks-nodegroup/a8c75f2f-df78-a72f-4063-4b69af3de5b1",
        "clusterName": "my-eks-cluster",
        "version": "1.26",
        "releaseVersion": "1.26.12-20240329",
        "createdAt": "2024-04-08T11:42:10.555000-04:00",
        "modifiedAt": "2024-04-08T11:44:12.402000-04:00",
        "status": "ACTIVE",
        "capacityType": "ON_DEMAND",
        "scalingConfig": {
            "minSize": 1,
            "maxSize": 3,
            "desiredSize": 1
        },
        "instanceTypes": [
            "t3.medium"
        ],
        "subnets": [
            "subnet-0e2907431c9988b72",
            "subnet-04ad87f71c6e5ab4d",
            "subnet-09d912bb63ef21b9a"
        ],
        "amiType": "AL2_x86_64",
        "nodeRole": "arn:aws:iam::111122223333:role/role-name",
        "labels": {},
        "resources": {
            "autoScalingGroups": [
                {
                    "name": "eks-my-eks-nodegroup-a8c75f2f-df78-a72f-4063-4b69af3de5b1"
                }
            ]
        },
        "diskSize": 20,
        "health": {
            "issues": []
        },
        "updateConfig": {
            "maxUnavailable": 1
        },
        "tags": {}
    }
}
PowerShell
Tools for PowerShell V4

Example 1: This cmdlet returns descriptive information about an Amazon EKS node group.

Get-EKSNodegroup -NodegroupName "ProdEKSNodeGroup" -ClusterName "PROD"

Output:

AmiType        : AL2_x86_64
ClusterName    : PROD
CreatedAt      : 12/25/2019 10:16:45 AM
DiskSize       : 40
Health         : Amazon.EKS.Model.NodegroupHealth
InstanceTypes  : {t3.large}
Labels         : {}
ModifiedAt     : 12/25/2019 10:16:45 AM
NodegroupArn   : arn:aws:eks:us-west-2:012345678912:nodegroup/PROD/ProdEKSNodeGroup/7eb79e47-82b6-04d9-e984-95110db6fa85
NodegroupName  : ProdEKSNodeGroup
NodeRole       : arn:aws:iam::012345678912:role/NodeInstanceRole
ReleaseVersion : 1.14.7-20190927
RemoteAccess   :
Resources      :
ScalingConfig  : Amazon.EKS.Model.NodegroupScalingConfig
Status         : CREATING
Subnets        : {subnet-0d1a9fff35efa7691, subnet-0a3f4928edbc224d4}
Tags           : {}
Version        : 1.14

  • For API details, see DescribeNodegroup in AWS Tools for PowerShell Cmdlet Reference (V4).

Tools for PowerShell V5

Example 1: This cmdlet returns descriptive information about an Amazon EKS node group.

Get-EKSNodegroup -NodegroupName "ProdEKSNodeGroup" -ClusterName "PROD"

Output:

AmiType        : AL2_x86_64
ClusterName    : PROD
CreatedAt      : 12/25/2019 10:16:45 AM
DiskSize       : 40
Health         : Amazon.EKS.Model.NodegroupHealth
InstanceTypes  : {t3.large}
Labels         : {}
ModifiedAt     : 12/25/2019 10:16:45 AM
NodegroupArn   : arn:aws:eks:us-west-2:012345678912:nodegroup/PROD/ProdEKSNodeGroup/7eb79e47-82b6-04d9-e984-95110db6fa85
NodegroupName  : ProdEKSNodeGroup
NodeRole       : arn:aws:iam::012345678912:role/NodeInstanceRole
ReleaseVersion : 1.14.7-20190927
RemoteAccess   :
Resources      :
ScalingConfig  : Amazon.EKS.Model.NodegroupScalingConfig
Status         : CREATING
Subnets        : {subnet-0d1a9fff35efa7691, subnet-0a3f4928edbc224d4}
Tags           : {}
Version        : 1.14

  • For API details, see DescribeNodegroup in AWS Tools for PowerShell Cmdlet Reference (V5).