storj/internal/testplanet/uplink.go

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// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information
package testplanet
import (
"bytes"
"context"
"fmt"
"io"
"io/ioutil"
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"strconv"
"github.com/spf13/pflag"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/storj/pkg/auth/signing"
"storj.io/storj/pkg/cfgstruct"
"storj.io/storj/pkg/identity"
"storj.io/storj/pkg/pb"
"storj.io/storj/pkg/peertls/tlsopts"
"storj.io/storj/pkg/storage/streams"
"storj.io/storj/pkg/storj"
"storj.io/storj/pkg/stream"
"storj.io/storj/pkg/transport"
"storj.io/storj/satellite"
"storj.io/storj/satellite/console"
"storj.io/storj/uplink"
"storj.io/storj/uplink/metainfo"
"storj.io/storj/uplink/piecestore"
)
// Uplink is a general purpose
type Uplink struct {
Log *zap.Logger
Info pb.Node
Identity *identity.FullIdentity
Transport transport.Client
StorageNodeCount int
APIKey map[storj.NodeID]string
}
// newUplink creates a new uplink
func (planet *Planet) newUplink(name string, storageNodeCount int) (*Uplink, error) {
identity, err := planet.NewIdentity()
if err != nil {
return nil, err
}
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tlsOpts, err := tlsopts.NewOptions(identity, tlsopts.Config{
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PeerIDVersions: strconv.Itoa(int(planet.config.IdentityVersion.Number)),
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})
if err != nil {
return nil, err
}
uplink := &Uplink{
Log: planet.log.Named(name),
Identity: identity,
StorageNodeCount: storageNodeCount,
}
uplink.Log.Debug("id=" + identity.ID.String())
uplink.Transport = transport.NewClient(tlsOpts)
uplink.Info = pb.Node{
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Id: uplink.Identity.ID,
Address: &pb.NodeAddress{
Transport: pb.NodeTransport_TCP_TLS_GRPC,
Address: "",
},
}
apiKeys := make(map[storj.NodeID]string)
for j, satellite := range planet.Satellites {
// TODO: find a nicer way to do this
// populate satellites console with example
// project and API key and pass that to uplinks
consoleDB := satellite.DB.Console()
projectName := fmt.Sprintf("%s_%d", name, j)
key := console.APIKeyFromBytes([]byte(projectName))
project, err := consoleDB.Projects().Insert(
context.Background(),
&console.Project{
Name: projectName,
},
)
if err != nil {
return nil, err
}
_, err = consoleDB.APIKeys().Create(
context.Background(),
*key,
console.APIKeyInfo{
Name: "root",
ProjectID: project.ID,
},
)
if err != nil {
return nil, err
}
apiKeys[satellite.ID()] = key.String()
}
uplink.APIKey = apiKeys
planet.uplinks = append(planet.uplinks, uplink)
return uplink, nil
}
// ID returns uplink id
func (uplink *Uplink) ID() storj.NodeID { return uplink.Info.Id }
// Addr returns uplink address
func (uplink *Uplink) Addr() string { return uplink.Info.Address.Address }
// Local returns uplink info
func (uplink *Uplink) Local() pb.Node { return uplink.Info }
// Shutdown shuts down all uplink dependencies
func (uplink *Uplink) Shutdown() error { return nil }
// DialMetainfo dials destination with apikey and returns metainfo Client
func (uplink *Uplink) DialMetainfo(ctx context.Context, destination Peer, apikey string) (metainfo.Client, error) {
// TODO: handle disconnect
return metainfo.NewClient(ctx, uplink.Transport, destination.Addr(), apikey)
}
// DialPiecestore dials destination storagenode and returns a piecestore client.
func (uplink *Uplink) DialPiecestore(ctx context.Context, destination Peer) (*piecestore.Client, error) {
node := destination.Local()
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conn, err := uplink.Transport.DialNode(ctx, &node.Node)
if err != nil {
return nil, err
}
signer := signing.SignerFromFullIdentity(uplink.Transport.Identity())
return piecestore.NewClient(uplink.Log.Named("uplink>piecestore"), signer, conn, piecestore.DefaultConfig), nil
}
// Upload data to specific satellite
func (uplink *Uplink) Upload(ctx context.Context, satellite *satellite.Peer, bucket string, path storj.Path, data []byte) error {
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config := uplink.GetConfig(satellite)
metainfo, streams, err := config.GetMetainfo(ctx, uplink.Identity)
if err != nil {
return err
}
encScheme := config.GetEncryptionScheme()
redScheme := config.GetRedundancyScheme()
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// create bucket if not exists
_, err = metainfo.GetBucket(ctx, bucket)
if err != nil {
if storj.ErrBucketNotFound.Has(err) {
_, err := metainfo.CreateBucket(ctx, bucket, &storj.Bucket{PathCipher: encScheme.Cipher})
if err != nil {
return err
}
} else {
return err
}
}
createInfo := storj.CreateObject{
RedundancyScheme: redScheme,
EncryptionScheme: encScheme,
}
obj, err := metainfo.CreateObject(ctx, bucket, path, &createInfo)
if err != nil {
return err
}
reader := bytes.NewReader(data)
err = uploadStream(ctx, streams, obj, reader)
if err != nil {
return err
}
return nil
}
// UploadWithConfig uploads data to specific satellite with configured values
func (uplink *Uplink) UploadWithConfig(ctx context.Context, satellite *satellite.Peer, redundancy *uplink.RSConfig, bucket string, path storj.Path, data []byte) error {
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config := uplink.GetConfig(satellite)
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if redundancy != nil {
config.RS.MinThreshold = redundancy.MinThreshold
config.RS.RepairThreshold = redundancy.RepairThreshold
config.RS.SuccessThreshold = redundancy.SuccessThreshold
config.RS.MaxThreshold = redundancy.MaxThreshold
}
metainfo, streams, err := config.GetMetainfo(ctx, uplink.Identity)
if err != nil {
return err
}
encScheme := config.GetEncryptionScheme()
redScheme := config.GetRedundancyScheme()
// create bucket if not exists
_, err = metainfo.GetBucket(ctx, bucket)
if err != nil {
if storj.ErrBucketNotFound.Has(err) {
_, err := metainfo.CreateBucket(ctx, bucket, &storj.Bucket{PathCipher: encScheme.Cipher})
if err != nil {
return err
}
} else {
return err
}
}
createInfo := storj.CreateObject{
RedundancyScheme: redScheme,
EncryptionScheme: encScheme,
}
obj, err := metainfo.CreateObject(ctx, bucket, path, &createInfo)
if err != nil {
return err
}
reader := bytes.NewReader(data)
err = uploadStream(ctx, streams, obj, reader)
if err != nil {
return err
}
return nil
}
func uploadStream(ctx context.Context, streams streams.Store, mutableObject storj.MutableObject, reader io.Reader) error {
mutableStream, err := mutableObject.CreateStream(ctx)
if err != nil {
return err
}
upload := stream.NewUpload(ctx, mutableStream, streams)
_, err = io.Copy(upload, reader)
return errs.Combine(err, upload.Close())
}
// DownloadStream returns stream for downloading data.
func (uplink *Uplink) DownloadStream(ctx context.Context, satellite *satellite.Peer, bucket string, path storj.Path) (*stream.Download, error) {
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config := uplink.GetConfig(satellite)
metainfo, streams, err := config.GetMetainfo(ctx, uplink.Identity)
if err != nil {
return nil, err
}
readOnlyStream, err := metainfo.GetObjectStream(ctx, bucket, path)
if err != nil {
return nil, err
}
return stream.NewDownload(ctx, readOnlyStream, streams), nil
}
// Download data from specific satellite
func (uplink *Uplink) Download(ctx context.Context, satellite *satellite.Peer, bucket string, path storj.Path) ([]byte, error) {
download, err := uplink.DownloadStream(ctx, satellite, bucket, path)
if err != nil {
return []byte{}, err
}
defer func() { err = errs.Combine(err, download.Close()) }()
data, err := ioutil.ReadAll(download)
if err != nil {
return []byte{}, err
}
return data, nil
}
// Delete data to specific satellite
func (uplink *Uplink) Delete(ctx context.Context, satellite *satellite.Peer, bucket string, path storj.Path) error {
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config := uplink.GetConfig(satellite)
metainfo, _, err := config.GetMetainfo(ctx, uplink.Identity)
if err != nil {
return err
}
return metainfo.DeleteObject(ctx, bucket, path)
}
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// GetConfig returns a default config for a given satellite.
func (uplink *Uplink) GetConfig(satellite *satellite.Peer) uplink.Config {
config := getDefaultConfig()
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config.Client.SatelliteAddr = satellite.Addr()
config.Client.APIKey = uplink.APIKey[satellite.ID()]
config.RS.MinThreshold = atLeastOne(uplink.StorageNodeCount * 1 / 5) // 20% of storage nodes
config.RS.RepairThreshold = atLeastOne(uplink.StorageNodeCount * 2 / 5) // 40% of storage nodes
config.RS.SuccessThreshold = atLeastOne(uplink.StorageNodeCount * 3 / 5) // 60% of storage nodes
config.RS.MaxThreshold = atLeastOne(uplink.StorageNodeCount * 4 / 5) // 80% of storage nodes
config.TLS.UsePeerCAWhitelist = false
config.TLS.Extensions.Revocation = false
config.TLS.Extensions.WhitelistSignedLeaf = false
return config
}
func getDefaultConfig() uplink.Config {
config := uplink.Config{}
cfgstruct.Bind(&pflag.FlagSet{}, &config, cfgstruct.UseDevDefaults())
return config
}
// atLeastOne returns 1 if value < 1, or value otherwise.
func atLeastOne(value int) int {
if value < 1 {
return 1
}
return value
}