123 lines
4.7 KiB
Go
123 lines
4.7 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package contact
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import (
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"context"
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"time"
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"github.com/zeebo/errs"
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"go.uber.org/zap"
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"storj.io/common/identity"
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"storj.io/common/pb"
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"storj.io/common/rpc/rpcstatus"
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"storj.io/common/storj"
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"storj.io/storj/satellite/overlay"
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)
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var (
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errPingBackDial = errs.Class("pingback dialing error")
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errCheckInIdentity = errs.Class("check-in identity error")
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errCheckInNetwork = errs.Class("check-in network error")
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)
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// Endpoint implements the contact service Endpoints.
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type Endpoint struct {
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log *zap.Logger
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service *Service
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}
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// NewEndpoint returns a new contact service endpoint.
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func NewEndpoint(log *zap.Logger, service *Service) *Endpoint {
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return &Endpoint{
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log: log,
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service: service,
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}
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}
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// CheckIn is periodically called by storage nodes to keep the satellite informed of its existence,
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// address, and operator information. In return, this satellite keeps the node informed of its
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// reachability.
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// When a node checks-in with the satellite, the satellite pings the node back to confirm they can
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// successfully connect.
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func (endpoint *Endpoint) CheckIn(ctx context.Context, req *pb.CheckInRequest) (_ *pb.CheckInResponse, err error) {
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defer mon.Task()(&ctx)(&err)
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peerID, err := identity.PeerIdentityFromContext(ctx)
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if err != nil {
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endpoint.log.Info("failed to get node ID from context", zap.String("node address", req.Address), zap.Error(err))
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return nil, rpcstatus.Error(rpcstatus.Unknown, errCheckInIdentity.New("failed to get ID from context: %v", err).Error())
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}
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nodeID := peerID.ID
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err = endpoint.service.peerIDs.Set(ctx, nodeID, peerID)
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if err != nil {
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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))
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return nil, rpcstatus.Error(rpcstatus.FailedPrecondition, errCheckInIdentity.New("failed to add peer identity entry for ID: %v", err).Error())
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}
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resolvedIPPort, resolvedNetwork, err := overlay.ResolveIPAndNetwork(ctx, req.Address)
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if err != nil {
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endpoint.log.Info("failed to resolve IP from address", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
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return nil, rpcstatus.Error(rpcstatus.InvalidArgument, errCheckInNetwork.New("failed to resolve IP from address: %s, err: %v", req.Address, err).Error())
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}
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nodeurl := storj.NodeURL{
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ID: nodeID,
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Address: req.Address,
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}
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pingNodeSuccess, pingErrorMessage, err := endpoint.service.PingBack(ctx, nodeurl)
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if err != nil {
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endpoint.log.Info("failed to ping back address", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
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if errPingBackDial.Has(err) {
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err = errCheckInNetwork.New("failed dialing address when attempting to ping node (ID: %s): %s, err: %v", nodeID, req.Address, err)
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return nil, rpcstatus.Error(rpcstatus.NotFound, err.Error())
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}
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err = errCheckInNetwork.New("failed to ping node (ID: %s) at address: %s, err: %v", nodeID, req.Address, err)
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return nil, rpcstatus.Error(rpcstatus.NotFound, err.Error())
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}
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nodeInfo := overlay.NodeCheckInInfo{
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NodeID: peerID.ID,
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Address: &pb.NodeAddress{
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Address: req.Address,
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Transport: pb.NodeTransport_TCP_TLS_GRPC,
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},
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LastNet: resolvedNetwork,
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LastIPPort: resolvedIPPort,
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IsUp: pingNodeSuccess,
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Capacity: req.Capacity,
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Operator: req.Operator,
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Version: req.Version,
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}
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err = endpoint.service.overlay.UpdateCheckIn(ctx, nodeInfo, time.Now().UTC())
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if err != nil {
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endpoint.log.Info("failed to update check in", zap.String("node address", req.Address), zap.Stringer("Node ID", nodeID), zap.Error(err))
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return nil, rpcstatus.Error(rpcstatus.Internal, Error.Wrap(err).Error())
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}
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endpoint.log.Debug("checking in", zap.String("node addr", req.Address), zap.Bool("ping node success", pingNodeSuccess), zap.String("ping node err msg", pingErrorMessage))
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return &pb.CheckInResponse{
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PingNodeSuccess: pingNodeSuccess,
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PingErrorMessage: pingErrorMessage,
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}, nil
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}
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// GetTime returns current timestamp.
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func (endpoint *Endpoint) GetTime(ctx context.Context, req *pb.GetTimeRequest) (_ *pb.GetTimeResponse, err error) {
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defer mon.Task()(&ctx)(&err)
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peerID, err := identity.PeerIdentityFromContext(ctx)
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if err != nil {
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endpoint.log.Info("failed to get node ID from context", zap.Error(err))
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return nil, rpcstatus.Error(rpcstatus.Unauthenticated, errCheckInIdentity.New("failed to get ID from context: %v", err).Error())
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}
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currentTimestamp := time.Now().UTC()
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endpoint.log.Debug("get system current time", zap.Stringer("timestamp", currentTimestamp), zap.Stringer("node id", peerID.ID))
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return &pb.GetTimeResponse{
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Timestamp: currentTimestamp,
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}, nil
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}
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