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load.go
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load.go
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package cluster
import (
"fmt"
"os"
"sigs.k8s.io/yaml"
"github.com/aws/eks-anywhere/pkg/types"
)
type kubeConfigCluster struct {
Name string `json:"name"`
}
type kubeConfigYAML struct {
Clusters []*kubeConfigCluster `json:"clusters"`
}
func LoadManagement(kubeconfig string) (*types.Cluster, error) {
if kubeconfig == "" {
return nil, nil
}
kubeConfigBytes, err := os.ReadFile(kubeconfig)
if err != nil {
return nil, err
}
kc := &kubeConfigYAML{}
kc.Clusters = []*kubeConfigCluster{}
err = yaml.Unmarshal(kubeConfigBytes, &kc)
if err != nil {
return nil, fmt.Errorf("parsing kubeconfig file: %v", err)
}
if len(kc.Clusters) < 1 || len(kc.Clusters[0].Name) == 0 {
return nil, fmt.Errorf("invalid kubeconfig file: %v", kubeconfig)
}
return &types.Cluster{
Name: kc.Clusters[0].Name,
KubeconfigFile: kubeconfig,
ExistingManagement: true,
}, nil
}