misc: add test framework for host stack

Type: feature

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

1 files changed, 114 insertions, 0 deletions

diff --git a/extras/hs-test/ldp_test.go b/extras/hs-test/ldp_test.go
new file mode 100755
index 00000000000..0783b189522
--- /dev/null
+++ b/extras/hs-test/ldp_test.go
@@ -0,0 +1,114 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/edwarnicke/exechelper"
+)
+
+func (s *Veths2Suite) TestLDPreloadIperfVpp() {
+	t := s.T()
+	var clnVclConf, srvVclConf Stanza
+
+	srvInstance := "vpp-ldp-srv"
+	clnInstance := "vpp-ldp-cln"
+	srvPath := "/tmp/" + srvInstance
+	clnPath := "/tmp/" + clnInstance
+	srvVcl := srvPath + "/vcl_srv.conf"
+	clnVcl := clnPath + "/vcl_cln.conf"
+
+	exechelper.Run("mkdir " + srvPath)
+	exechelper.Run("mkdir " + clnPath)
+
+	ldpreload := os.Getenv("HST_LDPRELOAD")
+	s.Assert().NotEqual("", ldpreload)
+
+	ldpreload = "LD_PRELOAD=" + ldpreload
+
+	stopServerCh := make(chan struct{}, 1)
+	srvCh := make(chan error, 1)
+	clnCh := make(chan error)
+
+	fmt.Println("starting VPPs")
+
+	err := dockerRun(srvInstance, fmt.Sprintf("-v /tmp/%s:/tmp", srvInstance))
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	defer func() { exechelper.Run("docker stop " + srvInstance) }()
+
+	err = dockerRun(clnInstance, fmt.Sprintf("-v /tmp/%s:/tmp", clnInstance))
+	if err != nil {
+		t.Errorf("%v", err)
+		return
+	}
+	defer func() { exechelper.Run("docker stop " + clnInstance) }()
+
+	_, 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
+	}
+
+	err = clnVclConf.
+		NewStanza("vcl").
+		Append("rx-fifo-size 4000000").
+		Append("tx-fifo-size 4000000").
+		Append("app-scope-local").
+		Append("app-scope-global").
+		Append("use-mq-eventfd").
+		Append(fmt.Sprintf("app-socket-api /tmp/%s/2veths/var/run/app_ns_sockets/2", clnInstance)).Close().
+		SaveToFile(clnVcl)
+	if err != nil {
+		t.Errorf("%v", err)
+		t.FailNow()
+	}
+
+	err = srvVclConf.
+		NewStanza("vcl").
+		Append("rx-fifo-size 4000000").
+		Append("tx-fifo-size 4000000").
+		Append("app-scope-local").
+		Append("app-scope-global").
+		Append("use-mq-eventfd").
+		Append(fmt.Sprintf("app-socket-api /tmp/%s/2veths/var/run/app_ns_sockets/1", srvInstance)).Close().
+		SaveToFile(srvVcl)
+	if err != nil {
+		t.Errorf("%v", err)
+		t.FailNow()
+	}
+	fmt.Printf("attaching server to vpp")
+
+	// FIXME
+	time.Sleep(5 * time.Second)
+
+	srvEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+srvVcl)
+	go StartServerApp(srvCh, stopServerCh, srvEnv)
+
+	err = <-srvCh
+	if err != nil {
+		s.FailNow("vcl server", "%v", err)
+	}
+
+	fmt.Println("attaching client to vpp")
+	clnEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+clnVcl)
+	go StartClientApp(clnEnv, clnCh)
+
+	// wait for client's result
+	err = <-clnCh
+	if err != nil {
+		s.Failf("client", "%v", err)
+	}
+
+	// stop server
+	stopServerCh <- struct{}{}
+}