我正在尝试从 Go 连接到云数据存储。我使用了此处给出的示例代码 - https://github.com/GoogleCloudPlatform/gcloud-golang。这些是我的代码的相关部分:func getCtx() context.Context { // Initialize an authorized transport with Google Developers Console // JSON key. Read the google package examples to learn more about // different authorization flows you can use. // http://godoc.org/golang.org/x/oauth2/google opts, err := oauth2.New( google.ServiceAccountJSONKey("CassandraTest-key.json"), oauth2.Scope(datastore.ScopeDatastore), ) if err != nil { log.Fatal(err) } //titanium-goods-766 is the project id for CassandraTest (under sthilakan@eyeota.com) ctx := cloud.NewContext("titanium-goods-766", &http.Client{Transport: opts.NewTransport()}) // Use the context (see other examples) return ctx}type contactInfoEntity struct { EmailKey *datastore.Key FirstName string LastName string}func main() { ctx := getCtx() fmt.Println("successfully got context", ctx) err := putEntity(ctx, "fname1", "lname1", "email1") if err != nil { fmt.Println("Error:", err) } else { fmt.Println("success") }}func putEntity(ctx context.Context, firstName string, lastName string, email string) error { key := datastore.NewKey(ctx, "contactInfoEntity", email, 0, nil) contactInfoEntity := contactInfoEntity{ EmailKey: key, FirstName: firstName, LastName: lastName, } _, err := datastore.Put(ctx, key, &contactInfoEntity) return err}我一直收到这个错误。Error: error during call, http status code: 403 Unauthorized.我已多次禁用并重新启用数据存储区 api(如此处所建议的:所有请求返回 403 Unauthorized)。我也尝试删除和添加服务帐户。(我尝试使用此处的步骤将我的计算引擎实例连接到数据存储区 - https://cloud.google.com/datastore/docs并且它工作正常)。有没有人从 go 连接到云数据存储?
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