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main.go
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main.go
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package main
import (
"context"
"log/slog"
"net"
"os/signal"
"syscall"
castaipb "github.com/castai/kvisor/api/v1/runtime"
"github.com/castai/kvisor/pkg/logging"
"google.golang.org/grpc"
_ "google.golang.org/grpc/encoding/gzip"
"google.golang.org/protobuf/encoding/protojson"
)
func main() {
ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM)
defer cancel()
log := logging.New(&logging.Config{
Level: slog.LevelDebug,
})
// nolint:gosec
lis, err := net.Listen("tcp", "0.0.0.0:8443")
if err != nil {
log.Fatal(err.Error())
}
defer lis.Close()
srv := grpc.NewServer()
castaipb.RegisterRuntimeSecurityAgentAPIServer(srv, NewMockServer(log))
go func() {
<-ctx.Done()
log.Info("shutting down grpc ingestor server")
srv.GracefulStop()
}()
println("listening at 0.0.0.0:8443")
if err := srv.Serve(lis); err != nil {
log.Fatal(err.Error())
}
}
var _ castaipb.RuntimeSecurityAgentAPIServer = (*MockServer)(nil)
func NewMockServer(log *logging.Logger) *MockServer {
return &MockServer{
log: log.WithField("component", "mock_castai"),
}
}
type MockServer struct {
log *logging.Logger
}
func (m *MockServer) KubeBenchReportIngest(ctx context.Context, in *castaipb.KubeBenchReport) (*castaipb.KubeBenchReportIngestResponse, error) {
m.log.Debugf("KubeBenchReportIngest: %v", in)
return &castaipb.KubeBenchReportIngestResponse{}, nil
}
func (m *MockServer) KubeLinterReportIngest(ctx context.Context, in *castaipb.KubeLinterReport) (*castaipb.KubeLinterReportIngestResponse, error) {
m.log.Debugf("KubeLinterReportIngest: %v", in)
return &castaipb.KubeLinterReportIngestResponse{}, nil
}
func (m *MockServer) GetSyncState(ctx context.Context, in *castaipb.GetSyncStateRequest) (*castaipb.GetSyncStateResponse, error) {
m.log.Debugf("GetSyncState: %v", in.ImageIds)
return &castaipb.GetSyncStateResponse{}, nil
}
func (m *MockServer) ImageMetadataIngest(ctx context.Context, in *castaipb.ImageMetadata) (*castaipb.ImageMetadataIngestResponse, error) {
m.log.Debugf("ImageMetadataIngest: %v", in)
return &castaipb.ImageMetadataIngestResponse{}, nil
}
func (m *MockServer) UpdateSyncState(ctx context.Context, in *castaipb.UpdateSyncStateRequest) (*castaipb.UpdateSyncStateResponse, error) {
m.log.Debugf("UpdateSyncState: %v", in)
return &castaipb.UpdateSyncStateResponse{}, nil
}
func (m *MockServer) GetConfiguration(ctx context.Context, in *castaipb.GetConfigurationRequest) (*castaipb.GetConfigurationResponse, error) {
m.log.Debugf("GetConfiguration: %v", in)
return &castaipb.GetConfigurationResponse{}, nil
}
func (m *MockServer) EventsWriteStream(server castaipb.RuntimeSecurityAgentAPI_EventsWriteStreamServer) error {
for {
event, err := server.Recv()
if err != nil {
return err
}
json, err := protojson.Marshal(event)
if err != nil {
m.log.Debugf("cannot parse event: %v\n%v", err, event)
continue
}
m.log.Debugf("event:\n%s", string(json))
}
}
func (m *MockServer) LogsWriteStream(server castaipb.RuntimeSecurityAgentAPI_LogsWriteStreamServer) error {
for {
event, err := server.Recv()
if err != nil {
return err
}
m.log.Debugf("log: %v", event)
}
}
func (m *MockServer) ContainerStatsWriteStream(server castaipb.RuntimeSecurityAgentAPI_ContainerStatsWriteStreamServer) error {
for {
event, err := server.Recv()
if err != nil {
return err
}
for _, v := range event.Items {
m.log.Debugf("container_stats, ns=%s, pod=%s, cont=%s, items=%d", v.Namespace, v.PodName, v.ContainerName, len(v.Stats))
}
}
}
func (m *MockServer) KubernetesDeltaIngest(server castaipb.RuntimeSecurityAgentAPI_KubernetesDeltaIngestServer) error {
for {
event, err := server.Recv()
if err != nil {
m.log.Warnf("delta recv: %v", err)
break
}
m.log.Debugf("delta_item: %v", event)
if err := server.Send(&castaipb.KubernetesDeltaIngestResponse{}); err != nil {
m.log.Warnf("delta ack send: %v", err)
break
}
}
return nil
}