Vendor dependencies for GCS

vendor/google.golang.org/api/examples/storage.go

@@ -0,0 +1,78 @@
+// Copyright 2017 Google Inc. 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 main
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"os"
+
+	"google.golang.org/api/googleapi"
+	storage "google.golang.org/api/storage/v1"
+)
+
+func init() {
+	registerDemo("storage", storage.DevstorageReadWriteScope, storageMain)
+}
+
+func storageMain(client *http.Client, argv []string) {
+	if len(argv) != 2 {
+		fmt.Fprintln(os.Stderr, "Usage: storage filename bucket (to upload an object)")
+		return
+	}
+
+	service, err := storage.New(client)
+	if err != nil {
+		log.Fatalf("Unable to create Storage service: %v", err)
+	}
+
+	filename := argv[0]
+	bucket := argv[1]
+
+	goFile, err := os.Open(filename)
+	if err != nil {
+		log.Fatalf("error opening %q: %v", filename, err)
+	}
+	storageObject, err := service.Objects.Insert(bucket, &storage.Object{Name: filename}).Media(goFile).Do()
+	log.Printf("Got storage.Object, err: %#v, %v", storageObject, err)
+	if err != nil {
+		return
+	}
+
+	resp, err := service.Objects.Get(bucket, filename).Download()
+	if err != nil {
+		log.Fatalf("error downloading %q: %v", filename, err)
+	}
+	defer resp.Body.Close()
+
+	n, err := io.Copy(ioutil.Discard, resp.Body)
+	if err != nil {
+		log.Fatalf("error downloading %q: %v", filename, err)
+	}
+
+	log.Printf("Downloaded %d bytes", n)
+
+	// Test If-None-Match - should get a "HTTP 304 Not Modified" response.
+	obj, err := service.Objects.Get(bucket, filename).IfNoneMatch(storageObject.Etag).Do()
+	log.Printf("Got obj, err: %#v, %v", obj, err)
+	if googleapi.IsNotModified(err) {
+		log.Printf("Success. Object not modified since upload.")
+	} else {
+		log.Printf("Error: expected object to not be modified since upload.")
+	}
+}