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service.go
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service.go
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// Copyright (C) 2020 Storj Labs, Inc.
// See LICENSE for copying information.
package nodes
import (
"bytes"
"context"
"time"
"github.com/spacemonkeygo/monkit/v3"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/common/rpc"
"storj.io/common/rpc/rpcstatus"
"storj.io/common/storj"
"storj.io/storj/private/multinodepb"
)
var (
mon = monkit.Package()
// Error is an error class for nodes service error.
Error = errs.Class("nodes")
// ErrNodeNotReachable is an error class that indicates that we are not able to establish drpc connection with node.
ErrNodeNotReachable = errs.Class("node is not reachable")
// ErrNodeAPIKeyInvalid is an error class that indicates that we uses wrong api key.
ErrNodeAPIKeyInvalid = errs.Class("node api key is invalid")
)
// Service exposes all nodes related logic.
//
// architecture: Service
type Service struct {
log *zap.Logger
dialer rpc.Dialer
nodes DB
}
// NewService creates new instance of Service.
func NewService(log *zap.Logger, dialer rpc.Dialer, nodes DB) *Service {
return &Service{
log: log,
dialer: dialer,
nodes: nodes,
}
}
// Add adds new node to the system.
func (service *Service) Add(ctx context.Context, node Node) (err error) {
defer mon.Task()(&ctx)(&err)
// trying to connect to node to check its availability.
conn, err := service.dialer.DialNodeURL(ctx, storj.NodeURL{
ID: node.ID,
Address: node.PublicAddress,
})
if err != nil {
return ErrNodeNotReachable.Wrap(err)
}
defer func() {
err = errs.Combine(err, conn.Close())
}()
nodeClient := multinodepb.NewDRPCNodeClient(conn)
header := &multinodepb.RequestHeader{
ApiKey: node.APISecret[:],
}
// making test request to check node api key.
_, err = nodeClient.Version(ctx, &multinodepb.VersionRequest{Header: header})
if err != nil {
if rpcstatus.Code(err) == rpcstatus.Unauthenticated {
return ErrNodeAPIKeyInvalid.Wrap(err)
}
return Error.Wrap(err)
}
return Error.Wrap(service.nodes.Add(ctx, node))
}
// List returns list of all nodes.
func (service *Service) List(ctx context.Context) (_ []Node, err error) {
defer mon.Task()(&ctx)(&err)
nodes, err := service.nodes.List(ctx)
if err != nil {
return nil, Error.Wrap(err)
}
return nodes, nil
}
// UpdateName will update name of the specified node.
func (service *Service) UpdateName(ctx context.Context, id storj.NodeID, name string) (err error) {
defer mon.Task()(&ctx)(&err)
return Error.Wrap(service.nodes.UpdateName(ctx, id, name))
}
// Get retrieves node by id.
func (service *Service) Get(ctx context.Context, id storj.NodeID) (_ Node, err error) {
defer mon.Task()(&ctx)(&err)
node, err := service.nodes.Get(ctx, id)
if err != nil {
return Node{}, Error.Wrap(err)
}
return node, nil
}
// Remove removes node from the system.
func (service *Service) Remove(ctx context.Context, id storj.NodeID) (err error) {
defer mon.Task()(&ctx)(&err)
return Error.Wrap(service.nodes.Remove(ctx, id))
}
// ListInfos queries node basic info from all nodes via rpc.
func (service *Service) ListInfos(ctx context.Context) (_ []NodeInfo, err error) {
defer mon.Task()(&ctx)(&err)
nodes, err := service.nodes.List(ctx)
if err != nil {
if ErrNoNode.Has(err) {
return []NodeInfo{}, nil
}
return nil, Error.Wrap(err)
}
var infos []NodeInfo
for _, node := range nodes {
info := func() NodeInfo {
nodeInfo := NodeInfo{
ID: node.ID,
Name: node.Name,
}
conn, err := service.dialer.DialNodeURL(ctx, storj.NodeURL{
ID: node.ID,
Address: node.PublicAddress,
})
if err != nil {
nodeInfo.Status = StatusNotReachable
return nodeInfo
}
defer func() {
err = errs.Combine(err, conn.Close())
}()
nodeClient := multinodepb.NewDRPCNodeClient(conn)
storageClient := multinodepb.NewDRPCStorageClient(conn)
bandwidthClient := multinodepb.NewDRPCBandwidthClient(conn)
payoutClient := multinodepb.NewDRPCPayoutClient(conn)
header := &multinodepb.RequestHeader{
ApiKey: node.APISecret[:],
}
nodeVersion, err := nodeClient.Version(ctx, &multinodepb.VersionRequest{Header: header})
if err != nil {
if rpcstatus.Code(err) == rpcstatus.Unauthenticated {
nodeInfo.Status = StatusUnauthorized
return nodeInfo
}
nodeInfo.Status = StatusStorageNodeInternalError
return nodeInfo
}
lastContact, err := nodeClient.LastContact(ctx, &multinodepb.LastContactRequest{Header: header})
if err != nil {
// TODO: since rpcstatus.Unauthenticated was checked in nodeVersion this sort of error can be caused
// only if new apikey was issued during ListInfos method call.
nodeInfo.Status = StatusStorageNodeInternalError
return nodeInfo
}
diskSpace, err := storageClient.DiskSpace(ctx, &multinodepb.DiskSpaceRequest{Header: header})
if err != nil {
nodeInfo.Status = StatusStorageNodeInternalError
return nodeInfo
}
earned, err := payoutClient.Earned(ctx, &multinodepb.EarnedRequest{Header: header})
if err != nil {
nodeInfo.Status = StatusStorageNodeInternalError
return nodeInfo
}
bandwidthSummaryRequest := &multinodepb.BandwidthMonthSummaryRequest{
Header: header,
}
bandwidthSummary, err := bandwidthClient.MonthSummary(ctx, bandwidthSummaryRequest)
if err != nil {
nodeInfo.Status = StatusStorageNodeInternalError
return nodeInfo
}
nodeInfo.Version = nodeVersion.Version
nodeInfo.LastContact = lastContact.LastContact
nodeInfo.DiskSpaceUsed = diskSpace.GetUsedPieces() + diskSpace.GetUsedTrash()
nodeInfo.DiskSpaceLeft = diskSpace.GetAvailable()
nodeInfo.BandwidthUsed = bandwidthSummary.GetUsed()
nodeInfo.TotalEarned = earned.Total
nodeInfo.Status = nodeStatus(lastContact.LastContact)
return nodeInfo
}()
infos = append(infos, info)
}
return infos, nil
}
// ListInfosSatellite queries node satellite specific info from all nodes via rpc.
func (service *Service) ListInfosSatellite(ctx context.Context, satelliteID storj.NodeID) (_ []NodeInfoSatellite, err error) {
defer mon.Task()(&ctx)(&err)
nodes, err := service.nodes.List(ctx)
if err != nil {
if ErrNoNode.Has(err) {
return []NodeInfoSatellite{}, nil
}
return nil, Error.Wrap(err)
}
var infos []NodeInfoSatellite
for _, node := range nodes {
info := func() NodeInfoSatellite {
nodeInfoSatellite := NodeInfoSatellite{
ID: node.ID,
Name: node.Name,
}
conn, err := service.dialer.DialNodeURL(ctx, storj.NodeURL{
ID: node.ID,
Address: node.PublicAddress,
})
if err != nil {
nodeInfoSatellite.Status = StatusNotReachable
return nodeInfoSatellite
}
defer func() {
err = errs.Combine(err, conn.Close())
}()
nodeClient := multinodepb.NewDRPCNodeClient(conn)
payoutClient := multinodepb.NewDRPCPayoutClient(conn)
header := &multinodepb.RequestHeader{
ApiKey: node.APISecret[:],
}
nodeVersion, err := nodeClient.Version(ctx, &multinodepb.VersionRequest{Header: header})
if err != nil {
if rpcstatus.Code(err) == rpcstatus.Unauthenticated {
nodeInfoSatellite.Status = StatusUnauthorized
return nodeInfoSatellite
}
nodeInfoSatellite.Status = StatusStorageNodeInternalError
return nodeInfoSatellite
}
lastContact, err := nodeClient.LastContact(ctx, &multinodepb.LastContactRequest{Header: header})
if err != nil {
// TODO: since rpcstatus.Unauthenticated was checked in Version this sort of error can be caused
// only if new apikey was issued during ListInfosSatellite method call.
nodeInfoSatellite.Status = StatusStorageNodeInternalError
return nodeInfoSatellite
}
rep, err := nodeClient.Reputation(ctx, &multinodepb.ReputationRequest{
Header: header,
SatelliteId: satelliteID,
})
if err != nil {
nodeInfoSatellite.Status = StatusStorageNodeInternalError
return nodeInfoSatellite
}
earned, err := payoutClient.Earned(ctx, &multinodepb.EarnedRequest{Header: header})
if err != nil {
nodeInfoSatellite.Status = StatusStorageNodeInternalError
return nodeInfoSatellite
}
nodeInfoSatellite.Version = nodeVersion.Version
nodeInfoSatellite.LastContact = lastContact.LastContact
nodeInfoSatellite.OnlineScore = rep.Online.Score
nodeInfoSatellite.AuditScore = rep.Audit.Score
nodeInfoSatellite.SuspensionScore = rep.Audit.SuspensionScore
nodeInfoSatellite.TotalEarned = earned.Total
nodeInfoSatellite.Status = nodeStatus(lastContact.LastContact)
return nodeInfoSatellite
}()
infos = append(infos, info)
}
return infos, nil
}
// TrustedSatellites returns list of unique trusted satellites node urls.
func (service *Service) TrustedSatellites(ctx context.Context) (_ storj.NodeURLs, err error) {
defer mon.Task()(&ctx)(&err)
listNodes, err := service.nodes.List(ctx)
if err != nil {
return nil, Error.Wrap(err)
}
var trustedSatellites storj.NodeURLs
for _, node := range listNodes {
nodeURLs, err := service.trustedSatellites(ctx, node)
if err != nil {
if ErrNodeNotReachable.Has(err) {
continue
}
return nil, Error.Wrap(err)
}
trustedSatellites = appendUniqueNodeURLs(trustedSatellites, nodeURLs)
}
return trustedSatellites, nil
}
// trustedSatellites retrieves list of trusted satellites node urls for a node.
func (service *Service) trustedSatellites(ctx context.Context, node Node) (_ storj.NodeURLs, err error) {
defer mon.Task()(&ctx)(&err)
conn, err := service.dialer.DialNodeURL(ctx, storj.NodeURL{
ID: node.ID,
Address: node.PublicAddress,
})
if err != nil {
return storj.NodeURLs{}, ErrNodeNotReachable.Wrap(err)
}
defer func() {
err = errs.Combine(err, conn.Close())
}()
nodeClient := multinodepb.NewDRPCNodeClient(conn)
header := &multinodepb.RequestHeader{
ApiKey: node.APISecret[:],
}
resp, err := nodeClient.TrustedSatellites(ctx, &multinodepb.TrustedSatellitesRequest{Header: header})
if err != nil {
return nil, Error.Wrap(err)
}
var nodeURLs storj.NodeURLs
for _, url := range resp.TrustedSatellites {
nodeURLs = append(nodeURLs, storj.NodeURL{
ID: url.NodeId,
Address: url.GetAddress(),
})
}
return nodeURLs, nil
}
// nodeStatus chooses node status offline or online depends on LastContact.
func nodeStatus(lastContact time.Time) Status {
now := time.Now().UTC()
if now.Sub(lastContact) < time.Hour*3 {
return StatusOnline
}
return StatusOffline
}
// appendUniqueNodeURLs appends unique node urls from incoming slice.
func appendUniqueNodeURLs(slice storj.NodeURLs, nodeURLs storj.NodeURLs) storj.NodeURLs {
for _, nodeURL := range nodeURLs {
slice = appendUniqueNodeURL(slice, nodeURL)
}
return slice
}
// appendUniqueNodeURL appends node url if it is unique.
func appendUniqueNodeURL(slice storj.NodeURLs, nodeURL storj.NodeURL) storj.NodeURLs {
for _, existing := range slice {
if bytes.Equal(existing.ID.Bytes(), nodeURL.ID.Bytes()) {
return slice
}
}
slice = append(slice, nodeURL)
return slice
}