mirror of
https://github.com/pomerium/pomerium.git
synced 2025-04-29 10:26:29 +02:00
100 lines
2.2 KiB
Go
100 lines
2.2 KiB
Go
package grpcutil_test
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
"golang.org/x/sync/errgroup"
|
|
"google.golang.org/grpc"
|
|
"google.golang.org/grpc/credentials/insecure"
|
|
"google.golang.org/grpc/health"
|
|
"google.golang.org/grpc/health/grpc_health_v1"
|
|
|
|
"github.com/pomerium/pomerium/pkg/grpcutil"
|
|
)
|
|
|
|
func TestServeWithGracefulStop(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
t.Run("immediate", func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
li, err := net.Listen("tcp4", "127.0.0.1:0")
|
|
require.NoError(t, err)
|
|
|
|
srv := grpc.NewServer()
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
cancel()
|
|
|
|
now := time.Now()
|
|
err = grpcutil.ServeWithGracefulStop(ctx, srv, li, time.Millisecond*100)
|
|
elapsed := time.Since(now)
|
|
assert.Nil(t, err)
|
|
assert.Less(t, elapsed, time.Millisecond*100, "should complete immediately")
|
|
})
|
|
t.Run("graceful", func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
li, err := net.Listen("tcp4", "127.0.0.1:0")
|
|
require.NoError(t, err)
|
|
|
|
srv := grpc.NewServer()
|
|
hsrv := health.NewServer()
|
|
grpc_health_v1.RegisterHealthServer(srv, hsrv)
|
|
hsrv.SetServingStatus("test", grpc_health_v1.HealthCheckResponse_SERVING)
|
|
|
|
now := time.Now()
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
eg, ctx := errgroup.WithContext(ctx)
|
|
eg.Go(func() error {
|
|
return grpcutil.ServeWithGracefulStop(ctx, srv, li, time.Millisecond*100)
|
|
})
|
|
eg.Go(func() error {
|
|
var cc *grpc.ClientConn
|
|
for {
|
|
var err error
|
|
cc, err = grpc.Dial(li.Addr().String(),
|
|
grpc.WithTransportCredentials(insecure.NewCredentials()))
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
break
|
|
}
|
|
|
|
c := grpc_health_v1.NewHealthClient(cc)
|
|
|
|
// wait till the server is ready
|
|
for {
|
|
_, err := c.Check(ctx, &grpc_health_v1.HealthCheckRequest{
|
|
Service: "test",
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
break
|
|
}
|
|
|
|
// start streaming to hold open the server during graceful stop
|
|
_, err = c.Watch(context.Background(), &grpc_health_v1.HealthCheckRequest{
|
|
Service: "test",
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cancel()
|
|
|
|
return nil
|
|
})
|
|
eg.Wait()
|
|
elapsed := time.Since(now)
|
|
assert.Greater(t, elapsed, time.Millisecond*100, "should complete after 100ms")
|
|
})
|
|
}
|