import (
"fmt"
-
- "github.com/edwarnicke/exechelper"
+ "time"
)
-func (s *Veths2Suite) TestVclEchoQuic() {
- s.T().Skip("quic test skipping..")
- s.testVclEcho("quic")
+func (s *VethsSuite) testVclEcho(proto string) {
+ port := "12345"
+ srvVppCont := s.getContainerByName("server-vpp")
+ srvAppCont := s.getContainerByName("server-app")
+
+ serverVclConfContent := fmt.Sprintf(vclTemplate, srvVppCont.getContainerWorkDir(), "1")
+ srvAppCont.createFile("/vcl.conf", serverVclConfContent)
+ srvAppCont.addEnvVar("VCL_CONFIG", "/vcl.conf")
+ srvAppCont.execServer("vcl_test_server " + port)
+
+ serverVeth := s.netInterfaces[serverInterfaceName]
+ serverVethAddress := serverVeth.ip4AddressString()
+
+ echoClnContainer := s.getTransientContainerByName("client-app")
+ clientVclConfContent := fmt.Sprintf(vclTemplate, echoClnContainer.getContainerWorkDir(), "2")
+ echoClnContainer.createFile("/vcl.conf", clientVclConfContent)
+
+ testClientCommand := "vcl_test_client -p " + proto + " " + serverVethAddress + " " + port
+ echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
+ o := echoClnContainer.exec(testClientCommand)
+ s.log(o)
+}
+
+func (s *VethsSuite) TestVclEchoTcp() {
+ s.testVclEcho("tcp")
}
-func (s *Veths2Suite) TestVclEchoUdp() {
- s.T().Skip("udp echo currently broken in vpp, skipping..")
+func (s *VethsSuite) TestVclEchoUdp() {
s.testVclEcho("udp")
}
-func (s *Veths2Suite) TestVclEchoTcp() {
- s.testVclEcho("tcp")
+func (s *VethsSuite) TestVclRetryAttach() {
+ s.skip("this test takes too long, for now it's being skipped")
+ s.testRetryAttach("tcp")
+}
+
+func (s *VethsSuite) testRetryAttach(proto string) {
+ srvVppContainer := s.getTransientContainerByName("server-vpp")
+
+ echoSrvContainer := s.getContainerByName("server-app")
+
+ serverVclConfContent := fmt.Sprintf(vclTemplate, echoSrvContainer.getContainerWorkDir(), "1")
+ echoSrvContainer.createFile("/vcl.conf", serverVclConfContent)
+
+ echoSrvContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
+ echoSrvContainer.execServer("vcl_test_server -p " + proto + " 12346")
+
+ s.log("This whole test case can take around 3 minutes to run. Please be patient.")
+ s.log("... Running first echo client test, before disconnect.")
+
+ serverVeth := s.netInterfaces[serverInterfaceName]
+ serverVethAddress := serverVeth.ip4AddressString()
+
+ echoClnContainer := s.getTransientContainerByName("client-app")
+ clientVclConfContent := fmt.Sprintf(vclTemplate, echoClnContainer.getContainerWorkDir(), "2")
+ echoClnContainer.createFile("/vcl.conf", clientVclConfContent)
+
+ testClientCommand := "vcl_test_client -U -p " + proto + " " + serverVethAddress + " 12346"
+ echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
+ o := echoClnContainer.exec(testClientCommand)
+ s.log(o)
+ s.log("... First test ended. Stopping VPP server now.")
+
+ // Stop server-vpp-instance, start it again and then run vcl-test-client once more
+ srvVppContainer.vppInstance.disconnect()
+ stopVppCommand := "/bin/bash -c 'ps -C vpp_main -o pid= | xargs kill -9'"
+ srvVppContainer.exec(stopVppCommand)
+
+ s.setupServerVpp()
+
+ s.log("... VPP server is starting again, so waiting for a bit.")
+ time.Sleep(30 * time.Second) // Wait a moment for the re-attachment to happen
+
+ s.log("... Running second echo client test, after disconnect and re-attachment.")
+ o = echoClnContainer.exec(testClientCommand)
+ s.log(o)
+ s.log("Done.")
}
-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)
+func (s *VethsSuite) TestTcpWithLoss() {
+ serverVpp := s.getContainerByName("server-vpp").vppInstance
+
+ serverVeth := s.netInterfaces[serverInterfaceName]
+ serverVpp.vppctl("test echo server uri tcp://%s/20022",
+ serverVeth.ip4AddressString())
+
+ clientVpp := s.getContainerByName("client-vpp").vppInstance
+
+ // Ensure that VPP doesn't abort itself with NSIM enabled
+ // Warning: Removing this ping will make the test fail!
+ clientVpp.vppctl("ping %s", serverVeth.ip4AddressString())
+
+ // Add loss of packets with Network Delay Simulator
+ clientVpp.vppctl("set nsim poll-main-thread delay 0.01 ms bandwidth 40 gbit" +
+ " packet-size 1400 packets-per-drop 1000")
+
+ clientVpp.vppctl("nsim output-feature enable-disable host-vppcln")
+
+ // Do echo test from client-vpp container
+ output := clientVpp.vppctl("test echo client uri tcp://%s/20022 mbytes 50",
+ serverVeth.ip4AddressString())
+ s.assertEqual(true, len(output) != 0)
+ s.assertNotContains(output, "failed: timeout")
+ s.log(output)
}
Code Review / vpp.git / blobdiff