mirror of https://github.com/poanetwork/quorum.git
112 lines
3.7 KiB
Go
112 lines
3.7 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package build
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import (
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"fmt"
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"os"
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storage "github.com/Azure/azure-storage-go"
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)
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// AzureBlobstoreConfig is an authentication and configuration struct containing
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// the data needed by the Azure SDK to interact with a speicifc container in the
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// blobstore.
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type AzureBlobstoreConfig struct {
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Account string // Account name to authorize API requests with
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Token string // Access token for the above account
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Container string // Blob container to upload files into
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}
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// AzureBlobstoreUpload uploads a local file to the Azure Blob Storage. Note, this
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// method assumes a max file size of 64MB (Azure limitation). Larger files will
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// need a multi API call approach implemented.
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//
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// See: https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx#Anchor_3
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func AzureBlobstoreUpload(path string, name string, config AzureBlobstoreConfig) error {
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if *DryRunFlag {
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fmt.Printf("would upload %q to %s/%s/%s\n", path, config.Account, config.Container, name)
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return nil
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}
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// Create an authenticated client against the Azure cloud
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rawClient, err := storage.NewBasicClient(config.Account, config.Token)
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if err != nil {
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return err
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}
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client := rawClient.GetBlobService()
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// Stream the file to upload into the designated blobstore container
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in, err := os.Open(path)
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if err != nil {
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return err
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}
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defer in.Close()
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info, err := in.Stat()
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if err != nil {
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return err
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}
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return client.CreateBlockBlobFromReader(config.Container, name, uint64(info.Size()), in, nil)
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}
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// AzureBlobstoreList lists all the files contained within an azure blobstore.
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func AzureBlobstoreList(config AzureBlobstoreConfig) ([]storage.Blob, error) {
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// Create an authenticated client against the Azure cloud
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rawClient, err := storage.NewBasicClient(config.Account, config.Token)
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if err != nil {
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return nil, err
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}
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client := rawClient.GetBlobService()
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// List all the blobs from the container and return them
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container := client.GetContainerReference(config.Container)
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blobs, err := container.ListBlobs(storage.ListBlobsParameters{
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MaxResults: 1024 * 1024 * 1024, // Yes, fetch all of them
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Timeout: 3600, // Yes, wait for all of them
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})
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if err != nil {
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return nil, err
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}
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return blobs.Blobs, nil
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}
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// AzureBlobstoreDelete iterates over a list of files to delete and removes them
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// from the blobstore.
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func AzureBlobstoreDelete(config AzureBlobstoreConfig, blobs []storage.Blob) error {
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if *DryRunFlag {
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for _, blob := range blobs {
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fmt.Printf("would delete %s (%s) from %s/%s\n", blob.Name, blob.Properties.LastModified, config.Account, config.Container)
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}
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return nil
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}
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// Create an authenticated client against the Azure cloud
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rawClient, err := storage.NewBasicClient(config.Account, config.Token)
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if err != nil {
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return err
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}
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client := rawClient.GetBlobService()
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// Iterate over the blobs and delete them
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for _, blob := range blobs {
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if err := client.DeleteBlob(config.Container, blob.Name, nil); err != nil {
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return err
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}
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}
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return nil
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}
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