115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
package integration
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import (
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"crypto/tls"
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"crypto/x509"
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"io/ioutil"
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"net"
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"os"
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"time"
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"github.com/containous/traefik/integration/helloworld"
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"github.com/containous/traefik/integration/try"
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"github.com/go-check/check"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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)
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var LocalhostCert []byte
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var LocalhostKey []byte
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// GRPCSuite
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type GRPCSuite struct{ BaseSuite }
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type myserver struct{}
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func (s *GRPCSuite) SetUpSuite(c *check.C) {
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var err error
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LocalhostCert, err = ioutil.ReadFile("./resources/tls/local.cert")
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c.Assert(err, check.IsNil)
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LocalhostKey, err = ioutil.ReadFile("./resources/tls/local.key")
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c.Assert(err, check.IsNil)
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}
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func (s *myserver) SayHello(ctx context.Context, in *helloworld.HelloRequest) (*helloworld.HelloReply, error) {
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return &helloworld.HelloReply{Message: "Hello " + in.Name}, nil
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}
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func startGRPCServer(lis net.Listener) error {
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cert, err := tls.X509KeyPair(LocalhostCert, LocalhostKey)
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if err != nil {
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return err
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}
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creds := credentials.NewServerTLSFromCert(&cert)
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serverOption := grpc.Creds(creds)
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var s *grpc.Server = grpc.NewServer(serverOption)
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defer s.Stop()
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helloworld.RegisterGreeterServer(s, &myserver{})
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return s.Serve(lis)
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}
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func callHelloClientGRPC() (string, error) {
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roots := x509.NewCertPool()
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roots.AppendCertsFromPEM(LocalhostCert)
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credsClient := credentials.NewClientTLSFromCert(roots, "")
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conn, err := grpc.Dial("127.0.0.1:4443", grpc.WithTransportCredentials(credsClient))
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if err != nil {
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return "", err
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}
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defer conn.Close()
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client := helloworld.NewGreeterClient(conn)
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name := "World"
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r, err := client.SayHello(context.Background(), &helloworld.HelloRequest{Name: name})
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if err != nil {
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return "", err
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}
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return r.Message, nil
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}
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func (s *GRPCSuite) TestGRPC(c *check.C) {
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lis, err := net.Listen("tcp", ":0")
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_, port, err := net.SplitHostPort(lis.Addr().String())
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c.Assert(err, check.IsNil)
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go func() {
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err := startGRPCServer(lis)
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c.Log(err)
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c.Assert(err, check.IsNil)
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}()
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file := s.adaptFile(c, "fixtures/grpc/config.toml", struct {
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CertContent string
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KeyContent string
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GRPCServerPort string
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}{
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CertContent: string(LocalhostCert),
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KeyContent: string(LocalhostKey),
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GRPCServerPort: port,
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})
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defer os.Remove(file)
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cmd, display := s.traefikCmd(withConfigFile(file))
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defer display(c)
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err = cmd.Start()
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c.Assert(err, check.IsNil)
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defer cmd.Process.Kill()
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// wait for Traefik
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err = try.GetRequest("http://127.0.0.1:8080/api/providers", 1*time.Second, try.BodyContains("Host:127.0.0.1"))
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c.Assert(err, check.IsNil)
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var response string
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err = try.Do(1*time.Second, func() error {
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response, err = callHelloClientGRPC()
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return err
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})
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c.Assert(err, check.IsNil)
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c.Assert(response, check.Equals, "Hello World")
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}
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