/
service.go
83 lines (71 loc) · 2.14 KB
/
service.go
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package v1alpha2
import (
"context"
"path"
runtime "github.com/alibaba/pouch/cri/apis/v1alpha2"
"github.com/alibaba/pouch/cri/metrics"
"github.com/alibaba/pouch/daemon/config"
"github.com/alibaba/pouch/pkg/grpc/interceptor"
"github.com/alibaba/pouch/pkg/netutils"
"github.com/sirupsen/logrus"
"google.golang.org/grpc"
)
// Service serves the kubelet runtime grpc api which will be consumed by kubelet.
type Service struct {
config *config.Config
server *grpc.Server
}
// NewService creates a brand new cri service.
func NewService(cfg *config.Config, criMgr CriMgr) (*Service, error) {
s := &Service{
config: cfg,
server: grpc.NewServer(
grpc.StreamInterceptor(metrics.GRPCMetrics.StreamServerInterceptor()),
interceptor.WithUnaryServerChain(
metrics.GRPCMetrics.UnaryServerInterceptor(),
interceptor.PayloadUnaryServerInterceptor(criLogLevelDecider),
),
),
}
runtime.RegisterRuntimeServiceServer(s.server, criMgr)
runtime.RegisterImageServiceServer(s.server, criMgr)
runtime.RegisterVolumeServiceServer(s.server, criMgr)
// EnableHandlingTimeHistogram turns on recording of handling time
// of RPCs. Histogram metrics can be very expensive for Prometheus
// to retain and query.
metrics.GRPCMetrics.EnableHandlingTimeHistogram()
// Initialize all metrics.
metrics.GRPCMetrics.InitializeMetrics(s.server)
return s, nil
}
// Serve starts grpc server.
func (s *Service) Serve() error {
l, err := netutils.GetListener(s.config.CriConfig.Listen, nil)
if err != nil {
return err
}
return s.server.Serve(l)
}
func criLogLevelDecider(ctx context.Context, fullMethodName string, servingObject interface{}) logrus.Level {
// extract methodName from fullMethodName
// eg. extract 'StartContainer' from '/runtime.v1alpha2.RuntimeService/StartContainer'
methodName := path.Base(fullMethodName)
// method->logLevel map
switch methodName {
case // readonly methods
"Version",
"PodSandboxStatus",
"ListPodSandbox",
"ListContainers",
"ContainerStatus",
"ContainerStats",
"ListContainerStats",
"Status",
"ListImages",
"ImageStatus",
"ImageFsInfo":
return logrus.DebugLevel
default:
return logrus.InfoLevel
}
}