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helper.go
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/
helper.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package helper
import (
"fmt"
"strings"
"k8s.io/apimachinery/pkg/types"
resourcesv1alpha1 "github.com/gardener/gardener/pkg/apis/resources/v1alpha1"
)
// ClusterIDSeparator separates clusterID and ManagedResource key in an origin value.
const ClusterIDSeparator = ":"
// OriginForManagedResource encodes clusterID and ManagedResource key into an origin value.
func OriginForManagedResource(clusterID string, mr *resourcesv1alpha1.ManagedResource) string {
if clusterID != "" {
return clusterID + ClusterIDSeparator + mr.Namespace + string(types.Separator) + mr.Name
}
return mr.Namespace + string(types.Separator) + mr.Name
}
// SplitOrigin returns the clusterID and ManagedResource key encoded in an origin value.
func SplitOrigin(origin string) (string, types.NamespacedName, error) {
var (
parts = strings.Split(origin, ClusterIDSeparator)
clusterID string
key string
)
switch len(parts) {
case 1:
// no clusterID
key = parts[0]
case 2:
// clusterID and key
clusterID = parts[0]
key = parts[1]
default:
return "", types.NamespacedName{}, fmt.Errorf("unexpected origin format: %q", origin)
}
parts = strings.Split(key, string(types.Separator))
if len(parts) != 2 {
return "", types.NamespacedName{}, fmt.Errorf("unexpected origin format: %q", origin)
}
return clusterID, types.NamespacedName{Namespace: parts[0], Name: parts[1]}, nil
}