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uplink.go
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/
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"
"strconv"
"time"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/common/identity"
"storj.io/common/macaroon"
"storj.io/common/peertls/tlsopts"
"storj.io/common/rpc"
"storj.io/common/storj"
"storj.io/common/uuid"
"storj.io/storj/satellite/console"
"storj.io/uplink"
"storj.io/uplink/private/metainfo"
"storj.io/uplink/private/piecestore"
"storj.io/uplink/private/testuplink"
)
// Uplink is a registered user on all satellites,
// which contains the necessary accesses and project info.
type Uplink struct {
Log *zap.Logger
Identity *identity.FullIdentity
Dialer rpc.Dialer
Config uplink.Config
APIKey map[storj.NodeID]*macaroon.APIKey
Access map[storj.NodeID]*uplink.Access
// Projects is indexed by the satellite number.
Projects []*Project
}
// Project contains all necessary information about a user.
type Project struct {
client *Uplink
ID uuid.UUID
Owner ProjectOwner
Satellite Peer
APIKey string
RawAPIKey *macaroon.APIKey
}
// ProjectOwner contains information about the project owner.
type ProjectOwner struct {
ID uuid.UUID
Email string
}
// DialMetainfo dials the satellite with the appropriate api key.
func (project *Project) DialMetainfo(ctx context.Context) (*metainfo.Client, error) {
return project.client.DialMetainfo(ctx, project.Satellite, project.RawAPIKey)
}
// newUplinks creates initializes uplinks, requires peer to have at least one satellite.
func (planet *Planet) newUplinks(prefix string, count int) ([]*Uplink, error) {
var xs []*Uplink
for i := 0; i < count; i++ {
uplink, err := planet.newUplink(prefix + strconv.Itoa(i))
if err != nil {
return nil, err
}
xs = append(xs, uplink)
}
return xs, nil
}
// newUplink creates a new uplink.
func (planet *Planet) newUplink(name string) (*Uplink, error) {
ctx := context.TODO()
identity, err := planet.NewIdentity()
if err != nil {
return nil, err
}
tlsOptions, err := tlsopts.NewOptions(identity, tlsopts.Config{
PeerIDVersions: strconv.Itoa(int(planet.config.IdentityVersion.Number)),
}, nil)
if err != nil {
return nil, err
}
planetUplink := &Uplink{
Log: planet.log.Named(name),
Identity: identity,
APIKey: map[storj.NodeID]*macaroon.APIKey{},
Access: map[storj.NodeID]*uplink.Access{},
}
planetUplink.Log.Debug("id=" + identity.ID.String())
planetUplink.Dialer = rpc.NewDefaultDialer(tlsOptions)
for j, satellite := range planet.Satellites {
consoleAPI := satellite.API.Console
projectName := fmt.Sprintf("%s_%d", name, j)
user, err := satellite.AddUser(ctx, console.CreateUser{
FullName: fmt.Sprintf("User %s", projectName),
Email: fmt.Sprintf("user@%s.test", projectName),
}, 10)
if err != nil {
return nil, err
}
project, err := satellite.AddProject(ctx, user.ID, projectName)
if err != nil {
return nil, err
}
authCtx, err := satellite.AuthenticatedContext(ctx, user.ID)
if err != nil {
return nil, err
}
_, apiKey, err := consoleAPI.Service.CreateAPIKey(authCtx, project.ID, "root")
if err != nil {
return nil, err
}
planetUplink.APIKey[satellite.ID()] = apiKey
planetUplink.Projects = append(planetUplink.Projects, &Project{
client: planetUplink,
ID: project.ID,
Owner: ProjectOwner{
ID: user.ID,
Email: user.Email,
},
Satellite: satellite,
APIKey: apiKey.Serialize(),
RawAPIKey: apiKey,
})
}
planet.Uplinks = append(planet.Uplinks, planetUplink)
return planetUplink, nil
}
// ID returns uplink id.
func (client *Uplink) ID() storj.NodeID { return client.Identity.ID }
// Addr returns uplink address.
func (client *Uplink) Addr() string { return "" }
// Shutdown shuts down all uplink dependencies.
func (client *Uplink) Shutdown() error { return nil }
// DialMetainfo dials destination with apikey and returns metainfo Client.
func (client *Uplink) DialMetainfo(ctx context.Context, destination Peer, apikey *macaroon.APIKey) (*metainfo.Client, error) {
return metainfo.DialNodeURL(ctx, client.Dialer, destination.NodeURL().String(), apikey, "Test/1.0")
}
// DialPiecestore dials destination storagenode and returns a piecestore client.
func (client *Uplink) DialPiecestore(ctx context.Context, destination Peer) (*piecestore.Client, error) {
return piecestore.DialNodeURL(ctx, client.Dialer, destination.NodeURL(), client.Log.Named("uplink>piecestore"), piecestore.DefaultConfig)
}
// Upload data to specific satellite.
func (client *Uplink) Upload(ctx context.Context, satellite *Satellite, bucket string, path storj.Path, data []byte) error {
return client.UploadWithExpiration(ctx, satellite, bucket, path, data, time.Time{})
}
// UploadWithExpiration data to specific satellite and expiration time.
func (client *Uplink) UploadWithExpiration(ctx context.Context, satellite *Satellite, bucketName string, path storj.Path, data []byte, expiration time.Time) error {
_, found := testuplink.GetMaxSegmentSize(ctx)
if !found {
ctx = testuplink.WithMaxSegmentSize(ctx, satellite.Config.Metainfo.MaxSegmentSize)
}
project, err := client.GetProject(ctx, satellite)
if err != nil {
return err
}
defer func() { err = errs.Combine(err, project.Close()) }()
_, err = project.EnsureBucket(ctx, bucketName)
if err != nil {
return err
}
upload, err := project.UploadObject(ctx, bucketName, path, &uplink.UploadOptions{
Expires: expiration,
})
if err != nil {
return err
}
_, err = io.Copy(upload, bytes.NewReader(data))
if err != nil {
abortErr := upload.Abort()
err = errs.Combine(err, abortErr)
return err
}
return upload.Commit()
}
// Download data from specific satellite.
func (client *Uplink) Download(ctx context.Context, satellite *Satellite, bucketName string, path storj.Path) ([]byte, error) {
project, err := client.GetProject(ctx, satellite)
if err != nil {
return nil, err
}
defer func() { err = errs.Combine(err, project.Close()) }()
download, err := project.DownloadObject(ctx, bucketName, path, nil)
if err != nil {
return nil, err
}
defer func() { err = errs.Combine(err, download.Close()) }()
data, err := ioutil.ReadAll(download)
if err != nil {
return []byte{}, err
}
return data, nil
}
// DownloadStream returns stream for downloading data.
func (client *Uplink) DownloadStream(ctx context.Context, satellite *Satellite, bucketName string, path storj.Path) (_ io.ReadCloser, cleanup func() error, err error) {
project, err := client.GetProject(ctx, satellite)
if err != nil {
return nil, nil, err
}
cleanup = func() error {
err = errs.Combine(err,
project.Close(),
)
return err
}
downloader, err := project.DownloadObject(ctx, bucketName, path, nil)
return downloader, cleanup, err
}
// DownloadStreamRange returns stream for downloading data.
func (client *Uplink) DownloadStreamRange(ctx context.Context, satellite *Satellite, bucketName string, path storj.Path, start, limit int64) (_ io.ReadCloser, cleanup func() error, err error) {
project, err := client.GetProject(ctx, satellite)
if err != nil {
return nil, nil, err
}
cleanup = func() error {
err = errs.Combine(err,
project.Close(),
)
return err
}
downloader, err := project.DownloadObject(ctx, bucketName, path, &uplink.DownloadOptions{
Offset: start,
Length: limit,
})
return downloader, cleanup, err
}
// DeleteObject deletes an object at the path in a bucket.
func (client *Uplink) DeleteObject(ctx context.Context, satellite *Satellite, bucketName string, path storj.Path) error {
project, err := client.GetProject(ctx, satellite)
if err != nil {
return err
}
defer func() { err = errs.Combine(err, project.Close()) }()
_, err = project.DeleteObject(ctx, bucketName, path)
if err != nil {
return err
}
return err
}
// CreateBucket creates a new bucket.
func (client *Uplink) CreateBucket(ctx context.Context, satellite *Satellite, bucketName string) error {
project, err := client.GetProject(ctx, satellite)
if err != nil {
return err
}
defer func() { err = errs.Combine(err, project.Close()) }()
_, err = project.CreateBucket(ctx, bucketName)
if err != nil {
return err
}
return nil
}
// DeleteBucket deletes a bucket.
func (client *Uplink) DeleteBucket(ctx context.Context, satellite *Satellite, bucketName string) error {
project, err := client.GetProject(ctx, satellite)
if err != nil {
return err
}
defer func() { err = errs.Combine(err, project.Close()) }()
_, err = project.DeleteBucket(ctx, bucketName)
if err != nil {
return err
}
return nil
}
// GetProject returns a uplink.Project which allows interactions with a specific project.
func (client *Uplink) GetProject(ctx context.Context, satellite *Satellite) (*uplink.Project, error) {
access := client.Access[satellite.ID()]
project, err := client.Config.OpenProject(ctx, access)
if err != nil {
return nil, err
}
return project, nil
}