-
Notifications
You must be signed in to change notification settings - Fork 394
/
endpoint.go
147 lines (126 loc) · 5.76 KB
/
endpoint.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package contact
import (
"context"
"time"
"github.com/zeebo/errs"
"go.uber.org/zap"
"storj.io/common/identity"
"storj.io/common/pb"
"storj.io/common/rpc/rpcstatus"
"storj.io/common/storj"
"storj.io/storj/private/nodeoperator"
"storj.io/storj/satellite/overlay"
)
var (
errPingBackDial = errs.Class("pingback dialing")
errCheckInIdentity = errs.Class("check-in identity")
errCheckInRateLimit = errs.Class("check-in ratelimit")
errCheckInNetwork = errs.Class("check-in network")
)
// Endpoint implements the contact service Endpoints.
type Endpoint struct {
pb.DRPCNodeUnimplementedServer
log *zap.Logger
service *Service
}
// NewEndpoint returns a new contact service endpoint.
func NewEndpoint(log *zap.Logger, service *Service) *Endpoint {
return &Endpoint{
log: log,
service: service,
}
}
// CheckIn is periodically called by storage nodes to keep the satellite informed of its existence,
// address, and operator information. In return, this satellite keeps the node informed of its
// reachability.
// When a node checks-in with the satellite, the satellite pings the node back to confirm they can
// successfully connect.
func (endpoint *Endpoint) CheckIn(ctx context.Context, req *pb.CheckInRequest) (_ *pb.CheckInResponse, err error) {
defer mon.Task()(&ctx)(&err)
peerID, err := identity.PeerIdentityFromContext(ctx)
if err != nil {
endpoint.log.Info("failed to get node ID from context", zap.String("node address", req.Address), zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Unknown, errCheckInIdentity.New("failed to get ID from context: %v", err).Error())
}
nodeID := peerID.ID
// we need a string as a key for the limiter, but nodeID.String() has base58 encoding overhead
nodeIDBytesAsString := string(nodeID.Bytes())
if !endpoint.service.idLimiter.IsAllowed(nodeIDBytesAsString) {
endpoint.log.Info("node rate limited by id", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID))
return nil, rpcstatus.Error(rpcstatus.ResourceExhausted, errCheckInRateLimit.New("node rate limited by id").Error())
}
err = endpoint.service.peerIDs.Set(ctx, nodeID, peerID)
if err != nil {
endpoint.log.Info("failed to add peer identity entry for ID", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.FailedPrecondition, errCheckInIdentity.New("failed to add peer identity entry for ID: %v", err).Error())
}
resolvedIPPort, resolvedNetwork, err := overlay.ResolveIPAndNetwork(ctx, req.Address)
if err != nil {
endpoint.log.Info("failed to resolve IP from address", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.InvalidArgument, errCheckInNetwork.New("failed to resolve IP from address: %s, err: %v", req.Address, err).Error())
}
nodeurl := storj.NodeURL{
ID: nodeID,
Address: req.Address,
}
pingNodeSuccess, pingNodeSuccessQUIC, pingErrorMessage, err := endpoint.service.PingBack(ctx, nodeurl)
if err != nil {
endpoint.log.Info("failed to ping back address", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
if errPingBackDial.Has(err) {
err = errCheckInNetwork.New("failed dialing address when attempting to ping node (ID: %s): %s, err: %v", nodeID, req.Address, err)
return nil, rpcstatus.Error(rpcstatus.NotFound, err.Error())
}
err = errCheckInNetwork.New("failed to ping node (ID: %s) at address: %s, err: %v", nodeID, req.Address, err)
return nil, rpcstatus.Error(rpcstatus.NotFound, err.Error())
}
// check wallet features
if req.Operator != nil {
if err := nodeoperator.DefaultWalletFeaturesValidation.Validate(req.Operator.WalletFeatures); err != nil {
endpoint.log.Debug("ignoring invalid wallet features",
zap.Stringer("Node ID", nodeID),
zap.Strings("Wallet Features", req.Operator.WalletFeatures))
// TODO: Update CheckInResponse to include wallet feature validation error
req.Operator.WalletFeatures = nil
}
}
nodeInfo := overlay.NodeCheckInInfo{
NodeID: peerID.ID,
Address: &pb.NodeAddress{
Address: req.Address,
Transport: pb.NodeTransport_TCP_TLS_GRPC,
},
LastNet: resolvedNetwork,
LastIPPort: resolvedIPPort,
IsUp: pingNodeSuccess,
Capacity: req.Capacity,
Operator: req.Operator,
Version: req.Version,
}
err = endpoint.service.overlay.UpdateCheckIn(ctx, nodeInfo, time.Now().UTC())
if err != nil {
endpoint.log.Info("failed to update check in", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Internal, Error.Wrap(err).Error())
}
endpoint.log.Debug("checking in", zap.Stringer("Node ID", nodeID), zap.String("node addr", req.Address), zap.Bool("ping node success", pingNodeSuccess), zap.String("ping node err msg", pingErrorMessage))
return &pb.CheckInResponse{
PingNodeSuccess: pingNodeSuccess,
PingNodeSuccessQuic: pingNodeSuccessQUIC,
PingErrorMessage: pingErrorMessage,
}, nil
}
// GetTime returns current timestamp.
func (endpoint *Endpoint) GetTime(ctx context.Context, req *pb.GetTimeRequest) (_ *pb.GetTimeResponse, err error) {
defer mon.Task()(&ctx)(&err)
peerID, err := identity.PeerIdentityFromContext(ctx)
if err != nil {
endpoint.log.Info("failed to get node ID from context", zap.Error(err))
return nil, rpcstatus.Error(rpcstatus.Unauthenticated, errCheckInIdentity.New("failed to get ID from context: %v", err).Error())
}
currentTimestamp := time.Now().UTC()
endpoint.log.Debug("get system current time", zap.Stringer("timestamp", currentTimestamp), zap.Stringer("node id", peerID.ID))
return &pb.GetTimeResponse{
Timestamp: currentTimestamp,
}, nil
}