misc: add test framework for host stack

Type: feature

Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Change-Id: I5a64a2c095cae3a4d5f8fdc73e624b010339ec8e

extras/hs-test/vcl_test.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/edwarnicke/exechelper"
+)
+
+func (s *Veths2Suite) TestVclEchoQuic() {
+	s.T().Skip("quic test skipping..")
+	s.testVclEcho("quic")
+}
+
+func (s *Veths2Suite) TestVclEchoUdp() {
+	s.T().Skip("udp echo currently broken in vpp, skipping..")
+	s.testVclEcho("udp")
+}
+
+func (s *Veths2Suite) TestVclEchoTcp() {
+	s.testVclEcho("tcp")
+}
+
+func (s *Veths2Suite) testVclEcho(proto string) {
+	t := s.T()
+
+	exechelper.Run("docker volume create --name=echo-srv-vol")
+	exechelper.Run("docker volume create --name=echo-cln-vol")
+
+	srvInstance := "vpp-echo-srv"
+	clnInstance := "vpp-echo-cln"
+	echoSrv := "echo-srv"
+	echoCln := "echo-cln"
+
+	err := dockerRun(srvInstance, "-v echo-srv-vol:/tmp/2veths")
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	defer func() { exechelper.Run("docker stop " + srvInstance) }()
+
+	err = dockerRun(clnInstance, "-v echo-cln-vol:/tmp/2veths")
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	defer func() { exechelper.Run("docker stop " + clnInstance) }()
+
+	err = dockerRun(echoSrv, fmt.Sprintf("-v echo-srv-vol:/tmp/%s", echoSrv))
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	defer func() { exechelper.Run("docker stop " + echoSrv) }()
+
+	err = dockerRun(echoCln, fmt.Sprintf("-v echo-cln-vol:/tmp/%s", echoCln))
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	defer func() { exechelper.Run("docker stop " + echoCln) }()
+
+	_, err = hstExec("2veths srv", srvInstance)
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+
+	_, err = hstExec("2veths cln", clnInstance)
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+
+	// run server app
+	_, err = hstExec("echo-server "+proto, echoSrv)
+	if err != nil {
+		t.Errorf("echo server: %v", err)
+		return
+	}
+
+	o, err := hstExec("echo-client "+proto, echoCln)
+	if err != nil {
+		t.Errorf("echo client: %v", err)
+	}
+	fmt.Println(o)
+}