53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
/*
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Copyright 2021 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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// TempDirForObj creates a new temporary directory in the directory dir
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// in the format of 'Kind-Namespace-Name-*', and returns the
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// pathname of the new directory.
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func TempDirForObj(dir string, obj client.Object) (string, error) {
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return os.MkdirTemp(dir, pattern(obj))
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}
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// TempPathForObj creates a temporary file path in the format of
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// '<dir>/Kind-Namespace-Name-<random bytes><suffix>'.
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// If the given dir is empty, os.TempDir is used as a default.
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func TempPathForObj(dir, suffix string, obj client.Object) string {
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if dir == "" {
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dir = os.TempDir()
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}
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randBytes := make([]byte, 16)
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rand.Read(randBytes)
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return filepath.Join(dir, pattern(obj)+hex.EncodeToString(randBytes)+suffix)
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}
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func pattern(obj client.Object) (p string) {
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kind := strings.ToLower(obj.GetObjectKind().GroupVersionKind().Kind)
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return fmt.Sprintf("%s-%s-%s-", kind, obj.GetNamespace(), obj.GetName())
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}
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