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package main
import (
"fmt"
"time"
)
func getVclConfig(c *Container, ns_id_optional ...string) string {
var s Stanza
ns_id := "default"
if len(ns_id_optional) > 0 {
ns_id = ns_id_optional[0]
}
s.newStanza("vcl").
append(fmt.Sprintf("app-socket-api %[1]s/var/run/app_ns_sockets/%[2]s", c.getContainerWorkDir(), ns_id)).
append("app-scope-global").
append("app-scope-local").
append("use-mq-eventfd")
if len(ns_id_optional) > 0 {
s.append(fmt.Sprintf("namespace-id %[1]s", ns_id)).
append(fmt.Sprintf("namespace-secret %[1]s", ns_id))
}
return s.close().toString()
}
func (s *VethsSuite) TestXEchoVclClientUdp() {
s.testXEchoVclClient("udp")
}
func (s *VethsSuite) TestXEchoVclClientTcp() {
s.testXEchoVclClient("tcp")
}
func (s *VethsSuite) testXEchoVclClient(proto string) {
port := "12345"
serverVpp := s.getContainerByName("server-vpp").vppInstance
serverVeth := s.netInterfaces[serverInterfaceName]
serverVpp.vppctl("test echo server uri %s://%s/%s fifo-size 64k", proto, serverVeth.ip4AddressString(), port)
echoClnContainer := s.getTransientContainerByName("client-app")
echoClnContainer.createFile("/vcl.conf", getVclConfig(echoClnContainer))
testClientCommand := "vcl_test_client -N 100 -p " + proto + " " + serverVeth.ip4AddressString() + " " + port
s.log(testClientCommand)
echoClnContainer.addEnvVar("VCL_CONFIG", "/vcl.conf")
o := echoClnContainer.exec(testClientCommand)
s.log(o)
s.assertContains(o, "CLIENT RESULTS")
}
func (s *VethsSuite) TestXEchoVclServerUdp() {
s.testXEchoVclServer("udp")
}
func (s *VethsSuite) TestXEchoVclServerTcp() {
s.testXEchoVclServer("tcp")
}
func (s *VethsSuite) testXEchoVclServer(proto string) {
port := "12345"
srvVppCont := s.getContainerByName("server-vpp")
srvAppCont := s.getContainerByName("server-app")
srvAppCont.createFile("/vcl.conf", getVclConfig(srvVppCont))
srvAppCont.addEnvVar("VCL_CONFIG", "/vcl.conf")
vclSrvCmd := fmt.Sprintf("vcl_test_server -p %s %s", proto, port)
srvAppCont.execServer(vclSrvCmd)
serverVeth := s.netInterfaces[serverInterfaceName]
serverVethAddress := serverVeth.ip4AddressString()
clientVpp := s.getContainerByName("client-vpp").vppInstance
o := clientVpp.vppctl("test echo client uri %s://%s/%s fifo-size 64k verbose mbytes 2", proto, serverVethAddress, port)
s.log(o)
s.assertContains(o, "Test finished at")
}
func (s *VethsSuite) testVclEcho(proto string) {
port := "12345"
srvVppCont := s.getContainerByName("server-vpp")
srvAppCont := s.getContainerByName("server-app")
srvAppCont.createFile("/vcl.conf", getVclConfig(srvVppCont))
srvAppCont.addEnvVar("VCL_CONFIG", "/vcl.conf")
srvAppCont.execServer("vcl_test_server " + port)
serverVeth := s.netInterfaces[serverInterfaceName]
serverVethAddress := serverVeth.ip4AddressString()
echoClnContainer := s.getTransientContainerByName("client-app")
echoClnContainer.createFile("/vcl.conf", getVclConfig(echoClnContainer))
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 *VethsSuite) TestVclEchoUdp() {
s.testVclEcho("udp")
}
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")
echoSrvContainer.createFile("/vcl.conf", getVclConfig(echoSrvContainer))
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")
echoClnContainer.createFile("/vcl.conf", getVclConfig(echoClnContainer))
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.")
}
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