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ingress_server.go
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/
ingress_server.go
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package testhelpers
import (
"crypto/tls"
"crypto/x509"
"net"
"os"
"strconv"
"code.cloudfoundry.org/go-loggregator/v8/rpc/loggregator_v2"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
)
type TestIngressServer struct {
receivers chan loggregator_v2.Ingress_BatchSenderServer
addr string
tlsConfig *tls.Config
grpcServer *grpc.Server
}
func NewTestIngressServer(serverCert, serverKey, caCert string) (*TestIngressServer, error) {
cert, err := tls.LoadX509KeyPair(serverCert, serverKey)
if err != nil {
return nil, err
}
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{cert},
ClientAuth: tls.RequestClientCert,
InsecureSkipVerify: false,
}
caCertBytes, err := os.ReadFile(caCert)
if err != nil {
return nil, err
}
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM(caCertBytes)
tlsConfig.RootCAs = caCertPool
return &TestIngressServer{
tlsConfig: tlsConfig,
receivers: make(chan loggregator_v2.Ingress_BatchSenderServer),
addr: "localhost:0",
}, nil
}
func (t *TestIngressServer) Port() (int, error) {
_, port, err := net.SplitHostPort(t.Addr())
if err != nil {
return 0, err
}
return strconv.Atoi(port)
}
func (t *TestIngressServer) Addr() string {
return t.addr
}
func (t *TestIngressServer) Receivers() chan loggregator_v2.Ingress_BatchSenderServer {
return t.receivers
}
func (t *TestIngressServer) Start() error {
listener, err := net.Listen("tcp4", t.addr)
if err != nil {
return err
}
t.addr = listener.Addr().String()
var opts []grpc.ServerOption
if t.tlsConfig != nil {
opts = append(opts, grpc.Creds(credentials.NewTLS(t.tlsConfig)))
}
t.grpcServer = grpc.NewServer(opts...)
senderServer := &FakeIngressServer{}
senderServer.BatchSenderStub = func(recv loggregator_v2.Ingress_BatchSenderServer) error {
t.receivers <- recv
<-recv.Context().Done()
return nil
}
loggregator_v2.RegisterIngressServer(t.grpcServer, senderServer)
go t.grpcServer.Serve(listener)
return nil
}
func (t *TestIngressServer) Stop() {
t.grpcServer.Stop()
}