89 lines
2.6 KiB
Go
89 lines
2.6 KiB
Go
/*
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Copyright 2018 Google LLC
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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 bucket
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import (
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"context"
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"fmt"
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"io"
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"net/url"
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"strings"
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"cloud.google.com/go/storage"
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"github.com/GoogleContainerTools/kaniko/pkg/constants"
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"google.golang.org/api/option"
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)
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// Upload uploads everything from Reader to the bucket under path
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func Upload(ctx context.Context, bucketName string, path string, r io.Reader, client *storage.Client) error {
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bucket := client.Bucket(bucketName)
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w := bucket.Object(path).NewWriter(ctx)
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if _, err := io.Copy(w, r); err != nil {
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return err
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}
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if err := w.Close(); err != nil {
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return err
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}
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return nil
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}
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// Delete will remove the content at path. path should be the full path
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// to a file in GCS.
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func Delete(ctx context.Context, bucketName string, path string, client *storage.Client) error {
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err := client.Bucket(bucketName).Object(path).Delete(ctx)
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if err != nil {
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return fmt.Errorf("failed to delete file at %s in gcs bucket %v: %w", path, bucketName, err)
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}
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return err
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}
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// ReadCloser will create io.ReadCloser for the specified bucket and path
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func ReadCloser(ctx context.Context, bucketName string, path string, client *storage.Client) (io.ReadCloser, error) {
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bucket := client.Bucket(bucketName)
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r, err := bucket.Object(path).NewReader(ctx)
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if err != nil {
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return nil, err
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}
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return r, nil
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}
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// NewClient returns a new google storage client
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func NewClient(ctx context.Context, opts ...option.ClientOption) (*storage.Client, error) {
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client, err := storage.NewClient(ctx, opts...)
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if err != nil {
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return nil, err
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}
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return client, err
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}
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// GetNameAndFilepathFromURI returns the bucketname and the path to the item inside.
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// Will error if provided URI is not a valid URL.
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// If the filepath is empty, returns the contextTar filename
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func GetNameAndFilepathFromURI(bucketURI string) (bucketName string, path string, err error) {
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url, err := url.Parse(bucketURI)
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if err != nil {
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return "", "", err
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}
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bucketName = url.Host
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// remove leading slash
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filePath := strings.TrimPrefix(url.Path, "/")
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if filePath == "" {
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filePath = constants.ContextTar
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}
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return bucketName, filePath, nil
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}
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