weaveworks/eksctl: pkg/actions/nodegroup/get.go; 31 LoC

Found a possible issue in [weaveworks/eksctl](https://www.github.com/weaveworks/eksctl) at [pkg/actions/nodegroup/get.go](https://github.com/weaveworks/eksctl/blob/969cd5f09a02b13a9da859b423aae7f738931f6b/pkg/actions/nodegroup/get.go#L39-L69)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> reference to nodeGroupWithoutStack was used in a composite literal at line 42

[Click here to see the code in its original context.](https://github.com/weaveworks/eksctl/blob/969cd5f09a02b13a9da859b423aae7f738931f6b/pkg/actions/nodegroup/get.go#L39-L69)

Click here to show the 31 line(s) of Go which triggered the analyzer.

```go
for _, nodeGroupWithoutStack := range nodeGroupsWithoutStacks {
describeOutput, err := ng.ctl.Provider.EKS().DescribeNodegroup(&eks.DescribeNodegroupInput{
ClusterName: &ng.cfg.Metadata.Name,
NodegroupName: &nodeGroupWithoutStack,
})
if err != nil {
return nil, err
}

asgs := []string{}

if describeOutput.Nodegroup.Resources != nil {
for _, v := range describeOutput.Nodegroup.Resources.AutoScalingGroups {
asgs = append(asgs, aws.StringValue(v.Name))
}
}

summaries = append(summaries, &manager.NodeGroupSummary{
Name: *describeOutput.Nodegroup.NodegroupName,
Cluster: *describeOutput.Nodegroup.ClusterName,
Status: *describeOutput.Nodegroup.Status,
MaxSize: int(*describeOutput.Nodegroup.ScalingConfig.MaxSize),
MinSize: int(*describeOutput.Nodegroup.ScalingConfig.MinSize),
DesiredCapacity: int(*describeOutput.Nodegroup.ScalingConfig.DesiredSize),
InstanceType: *describeOutput.Nodegroup.InstanceTypes[0],
ImageID: *describeOutput.Nodegroup.AmiType,
CreationTime: describeOutput.Nodegroup.CreatedAt,
NodeInstanceRoleARN: *describeOutput.Nodegroup.NodeRole,
AutoScalingGroupName: strings.Join(asgs, ","),
})
}

```

Leave a reaction on this issue to contribute to the project by classifying this instance as a **Bug** :-1:, **Mitigated** :+1:, or **Desirable Behavior** :rocket:
See the descriptions of the classifications [here](https://github.com/github-vet/rangeclosure-findings#how-can-i-help) for more information.

commit ID: 969cd5f09a02b13a9da859b423aae7f738931f6b

Start with pkg/actions/nodegroup/get.go at the referenced lines and review the surrounding nodegroup handling in commit 969cd5f09a02b13a9da859b423aae7f738931f6b. Determine whether the reference to nodeGroupWithoutStack in the composite literal is a bug, mitigated, or desirable behavior, then leave the corresponding reaction on the issue.

Written by the indexing model from the issue text.