forked from yamt/midonet-kubernetes
/
key.go
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/
key.go
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// Copyright (C) 2018 Midokura SARL.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package converter
import (
"fmt"
"strings"
"k8s.io/client-go/tools/cache"
)
// Key is an identifier of a Translation.
type Key struct {
Kind string
Namespace string
Name string
// Unversioned=true makes this Key and its associated Translation
// unversioned. That is, keys and IDs are not changed when
// TranslationVersion is bumped. It's necessary for resources
// which doesn't have IDs in the first place.
// REVISIT: Probably Key is not the appropriate place to put this info.
Unversioned bool
}
func newKeyFromClientKey(kind, strKey string) (Key, error) {
ns, name, err := cache.SplitMetaNamespaceKey(strKey)
if err != nil {
return Key{}, err
}
return Key{
Kind: kind,
Namespace: ns,
Name: name,
}, nil
}
// Key returns MetaNamespaceKeyFunc style key for the Key
func (k *Key) Key() string {
if k.Namespace == "" {
return k.Name
}
return fmt.Sprintf("%s/%s", k.Namespace, k.Name)
}
func (k *Key) translationName() string {
if k.Unversioned {
// Note: When Unversioned flag was introduced, TranslationVersion
// happened to be 3.
return fmt.Sprintf("%s.3.%s", strings.ToLower(k.Kind), k.Name)
}
return fmt.Sprintf("%s.%s.%s", strings.ToLower(k.Kind), TranslationVersion, k.Name)
}