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storage.go
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storage.go
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// Copyright 2022 Google LLC
//
// 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 storage
import (
"fmt"
"net/url"
"strings"
)
func GetBucketAndPrefix(storageKey string) (string, string, error) {
u, err := url.Parse(storageKey)
if err != nil {
return "", "", fmt.Errorf("error parsing url '%v': %w", storageKey, err)
}
expectedScheme := "gs"
if u.Scheme != expectedScheme {
return "", "", fmt.Errorf("url '%v' has an invalid scheme of '%v' must be '%v'", storageKey, u.Scheme, expectedScheme)
}
return u.Host, strings.TrimPrefix(u.Path, "/"), nil
}
func GetFullURI(bucketName, objectName string) string {
if objectName == "" {
return fmt.Sprintf("gs://%v", bucketName)
}
return fmt.Sprintf("gs://%v/%v", bucketName, objectName)
}