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|
package server
import (
"context"
"crypto/tls"
"fmt"
"time"
grpcmw "github.com/grpc-ecosystem/go-grpc-middleware"
grpcmwlogrus "github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
grpcmwtags "github.com/grpc-ecosystem/go-grpc-middleware/tags"
grpcprometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
log "github.com/sirupsen/logrus"
"gitlab.com/gitlab-org/gitaly/v14/internal/backchannel"
diskcache "gitlab.com/gitlab-org/gitaly/v14/internal/cache"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/client"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/server/auth"
"gitlab.com/gitlab-org/gitaly/v14/internal/helper/fieldextractors"
"gitlab.com/gitlab-org/gitaly/v14/internal/listenmux"
gitalylog "gitlab.com/gitlab-org/gitaly/v14/internal/log"
"gitlab.com/gitlab-org/gitaly/v14/internal/logsanitizer"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/cache"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/cancelhandler"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/commandstatshandler"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/limithandler"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/metadatahandler"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/panichandler"
"gitlab.com/gitlab-org/gitaly/v14/internal/middleware/sentryhandler"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect/protoregistry"
grpccorrelation "gitlab.com/gitlab-org/labkit/correlation/grpc"
grpctracing "gitlab.com/gitlab-org/labkit/tracing/grpc"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/keepalive"
)
func concurrencyKeyFn(ctx context.Context) string {
tags := grpcmwtags.Extract(ctx)
ctxValue := tags.Values()["grpc.request.repoPath"]
if ctxValue == nil {
return ""
}
s, ok := ctxValue.(string)
if ok {
return s
}
return ""
}
func init() {
for _, l := range gitalylog.Loggers {
urlSanitizer := logsanitizer.NewURLSanitizerHook()
urlSanitizer.AddPossibleGrpcMethod(
"CreateRepositoryFromURL",
"FetchRemote",
"UpdateRemoteMirror",
)
l.Hooks.Add(urlSanitizer)
}
// grpc-go gets a custom logger; it is too chatty
grpcmwlogrus.ReplaceGrpcLogger(gitalylog.GrpcGo())
}
// New returns a GRPC server instance with a set of interceptors configured.
// If logrusEntry is nil the default logger will be used.
func New(
secure bool,
cfg config.Cfg,
logrusEntry *log.Entry,
registry *backchannel.Registry,
cacheInvalidator diskcache.Invalidator,
) (*grpc.Server, error) {
ctxTagOpts := []grpcmwtags.Option{
grpcmwtags.WithFieldExtractorForInitialReq(fieldextractors.FieldExtractor),
}
lh := limithandler.New(concurrencyKeyFn)
transportCredentials := insecure.NewCredentials()
// If tls config is specified attempt to extract tls options and use it
// as a grpc.ServerOption
if secure {
cert, err := tls.LoadX509KeyPair(cfg.TLS.CertPath, cfg.TLS.KeyPath)
if err != nil {
return nil, fmt.Errorf("error reading certificate and key paths: %v", err)
}
transportCredentials = credentials.NewTLS(&tls.Config{
Certificates: []tls.Certificate{cert},
MinVersion: tls.VersionTLS12,
})
}
lm := listenmux.New(transportCredentials)
lm.Register(backchannel.NewGRPCHandshaker(
logrusEntry,
registry,
[]grpc.DialOption{client.UnaryInterceptor()},
))
opts := []grpc.ServerOption{
grpc.Creds(lm),
grpc.StreamInterceptor(grpcmw.ChainStreamServer(
grpcmwtags.StreamServerInterceptor(ctxTagOpts...),
grpccorrelation.StreamServerCorrelationInterceptor(), // Must be above the metadata handler
metadatahandler.StreamInterceptor,
grpcprometheus.StreamServerInterceptor,
commandstatshandler.StreamInterceptor,
grpcmwlogrus.StreamServerInterceptor(logrusEntry,
grpcmwlogrus.WithTimestampFormat(gitalylog.LogTimestampFormat),
grpcmwlogrus.WithMessageProducer(commandstatshandler.CommandStatsMessageProducer)),
sentryhandler.StreamLogHandler,
cancelhandler.Stream, // Should be below LogHandler
auth.StreamServerInterceptor(cfg.Auth),
lh.StreamInterceptor(), // Should be below auth handler to prevent v2 hmac tokens from timing out while queued
grpctracing.StreamServerTracingInterceptor(),
cache.StreamInvalidator(cacheInvalidator, protoregistry.GitalyProtoPreregistered),
// Panic handler should remain last so that application panics will be
// converted to errors and logged
panichandler.StreamPanicHandler,
)),
grpc.UnaryInterceptor(grpcmw.ChainUnaryServer(
grpcmwtags.UnaryServerInterceptor(ctxTagOpts...),
grpccorrelation.UnaryServerCorrelationInterceptor(), // Must be above the metadata handler
metadatahandler.UnaryInterceptor,
grpcprometheus.UnaryServerInterceptor,
commandstatshandler.UnaryInterceptor,
grpcmwlogrus.UnaryServerInterceptor(logrusEntry,
grpcmwlogrus.WithTimestampFormat(gitalylog.LogTimestampFormat),
grpcmwlogrus.WithMessageProducer(commandstatshandler.CommandStatsMessageProducer)),
sentryhandler.UnaryLogHandler,
cancelhandler.Unary, // Should be below LogHandler
auth.UnaryServerInterceptor(cfg.Auth),
lh.UnaryInterceptor(), // Should be below auth handler to prevent v2 hmac tokens from timing out while queued
grpctracing.UnaryServerTracingInterceptor(),
cache.UnaryInvalidator(cacheInvalidator, protoregistry.GitalyProtoPreregistered),
// Panic handler should remain last so that application panics will be
// converted to errors and logged
panichandler.UnaryPanicHandler,
)),
grpc.KeepaliveEnforcementPolicy(keepalive.EnforcementPolicy{
MinTime: 20 * time.Second,
PermitWithoutStream: true,
}),
}
return grpc.NewServer(opts...), nil
}
|
