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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package build
import (
"fmt"
"os"
"github.com/Azure/azure-sdk-for-go/storage"
)
// AzureBlobstoreConfig is an authentication and configuration struct containing
// the data needed by the Azure SDK to interact with a speicifc container in the
// blobstore.
type AzureBlobstoreConfig struct {
Account string // Account name to authorize API requests with
Token string // Access token for the above account
Container string // Blob container to upload files into
}
// AzureBlobstoreUpload uploads a local file to the Azure Blob Storage. Note, this
// method assumes a max file size of 64MB (Azure limitation). Larger files will
// need a multi API call approach implemented.
//
// See: https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx#Anchor_3
func AzureBlobstoreUpload(path string, name string, config AzureBlobstoreConfig) error {
if *DryRunFlag {
fmt.Printf("would upload %q to %s/%s/%s\n", path, config.Account, config.Container, name)
return nil
}
// Create an authenticated client against the Azure cloud
rawClient, err := storage.NewBasicClient(config.Account, config.Token)
if err != nil {
return err
}
client := rawClient.GetBlobService()
// Stream the file to upload into the designated blobstore container
in, err := os.Open(path)
if err != nil {
return err
}
defer in.Close()
info, err := in.Stat()
if err != nil {
return err
}
return client.CreateBlockBlobFromReader(config.Container, name, uint64(info.Size()), in, nil)
}
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