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package server
import (
"crypto/tls"
grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
grpc_logrus "github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
grpc_ctxtags "github.com/grpc-ecosystem/go-grpc-middleware/tags"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
log "github.com/sirupsen/logrus"
"gitlab.com/gitlab-org/gitaly/internal/config"
"gitlab.com/gitlab-org/gitaly/internal/helper/fieldextractors"
gitalylog "gitlab.com/gitlab-org/gitaly/internal/log"
"gitlab.com/gitlab-org/gitaly/internal/logsanitizer"
"gitlab.com/gitlab-org/gitaly/internal/middleware/cancelhandler"
"gitlab.com/gitlab-org/gitaly/internal/middleware/limithandler"
"gitlab.com/gitlab-org/gitaly/internal/middleware/metadatahandler"
"gitlab.com/gitlab-org/gitaly/internal/middleware/panichandler"
"gitlab.com/gitlab-org/gitaly/internal/middleware/sentryhandler"
"gitlab.com/gitlab-org/gitaly/internal/rubyserver"
"gitlab.com/gitlab-org/gitaly/internal/server/auth"
"gitlab.com/gitlab-org/gitaly/internal/service"
grpccorrelation "gitlab.com/gitlab-org/labkit/correlation/grpc"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/reflection"
)
func concurrencyKeyFn(ctx context.Context) string {
tags := grpc_ctxtags.Extract(ctx)
ctxValue := tags.Values()["grpc.request.repoPath"]
if ctxValue == nil {
return ""
}
s, ok := ctxValue.(string)
if ok {
return s
}
return ""
}
var logrusEntry *log.Entry
func init() {
for _, l := range gitalylog.Loggers {
urlSanitizer := logsanitizer.NewURLSanitizerHook()
urlSanitizer.AddPossibleGrpcMethod(
"CreateRepositoryFromURL",
"FetchRemote",
"UpdateRemoteMirror",
)
l.Hooks.Add(urlSanitizer)
}
// logrusEntry is used by middlewares below
logrusEntry = log.NewEntry(gitalylog.Default)
// grpc-go gets a custom logger; it is too chatty
grpc_logrus.ReplaceGrpcLogger(log.NewEntry(gitalylog.GrpcGo))
}
// createNewServer returns a GRPC server with all Gitaly services and interceptors set up.
// allows for specifying secure = true to enable tls credentials
func createNewServer(rubyServer *rubyserver.Server, secure bool) *grpc.Server {
ctxTagOpts := []grpc_ctxtags.Option{
grpc_ctxtags.WithFieldExtractorForInitialReq(fieldextractors.FieldExtractor),
}
lh := limithandler.New(concurrencyKeyFn)
opts := []grpc.ServerOption{
grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
grpc_ctxtags.StreamServerInterceptor(ctxTagOpts...),
grpccorrelation.StreamServerCorrelationInterceptor(), // Must be above the metadata handler
metadatahandler.StreamInterceptor,
grpc_prometheus.StreamServerInterceptor,
grpc_logrus.StreamServerInterceptor(logrusEntry),
sentryhandler.StreamLogHandler,
cancelhandler.Stream, // Should be below LogHandler
lh.StreamInterceptor(),
auth.StreamServerInterceptor(),
// Panic handler should remain last so that application panics will be
// converted to errors and logged
panichandler.StreamPanicHandler,
)),
grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
grpc_ctxtags.UnaryServerInterceptor(ctxTagOpts...),
grpccorrelation.UnaryServerCorrelationInterceptor(), // Must be above the metadata handler
metadatahandler.UnaryInterceptor,
grpc_prometheus.UnaryServerInterceptor,
grpc_logrus.UnaryServerInterceptor(logrusEntry),
sentryhandler.UnaryLogHandler,
cancelhandler.Unary, // Should be below LogHandler
lh.UnaryInterceptor(),
auth.UnaryServerInterceptor(),
// Panic handler should remain last so that application panics will be
// converted to errors and logged
panichandler.UnaryPanicHandler,
)),
}
// If tls config is specified attempt to extract tls options and use it
// as a grpc.ServerOption
if secure {
cert, err := tls.LoadX509KeyPair(config.Config.TLS.CertPath, config.Config.TLS.KeyPath)
if err != nil {
log.Fatal(err)
}
opts = append(opts, grpc.Creds(credentials.NewServerTLSFromCert(&cert)))
}
server := grpc.NewServer(opts...)
service.RegisterAll(server, rubyServer)
reflection.Register(server)
grpc_prometheus.Register(server)
return server
}
// NewInsecure returns a GRPC server with all Gitaly services and interceptors set up.
func NewInsecure(rubyServer *rubyserver.Server) *grpc.Server {
return createNewServer(rubyServer, false)
}
// NewSecure returns a GRPC server enabling TLS credentials
func NewSecure(rubyServer *rubyserver.Server) *grpc.Server {
return createNewServer(rubyServer, true)
}
|
