85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
// Copyright (c) 2021 The Srpmproc Authors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package gcs
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import (
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"cloud.google.com/go/storage"
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"context"
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"io/ioutil"
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"log"
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)
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type GCS struct {
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bucket *storage.BucketHandle
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}
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func New(name string) *GCS {
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ctx := context.Background()
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client, err := storage.NewClient(ctx)
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if err != nil {
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log.Fatalf("could not create gcloud client: %v", err)
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}
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return &GCS{
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bucket: client.Bucket(name),
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}
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}
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func (g *GCS) Write(path string, content []byte) {
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ctx := context.Background()
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obj := g.bucket.Object(path)
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w := obj.NewWriter(ctx)
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_, err := w.Write(content)
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if err != nil {
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log.Fatalf("could not write file to gcs: %v", err)
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}
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// Close, just like writing a file.
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if err := w.Close(); err != nil {
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log.Fatalf("could not close gcs writer to source: %v", err)
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}
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}
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func (g *GCS) Read(path string) []byte {
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ctx := context.Background()
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obj := g.bucket.Object(path)
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r, err := obj.NewReader(ctx)
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if err != nil {
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return nil
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}
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body, err := ioutil.ReadAll(r)
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if err != nil {
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return nil
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}
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return body
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}
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func (g *GCS) Exists(path string) bool {
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ctx := context.Background()
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obj := g.bucket.Object(path)
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_, err := obj.NewReader(ctx)
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return err == nil
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}
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