package main import ( "fmt" "os" "github.com/edwarnicke/exechelper" ) func testProxyHttpTcp(s *NsSuite, proto string) error { const outputFile = "test.data" const srcFile = "10M" stopServer := make(chan struct{}, 1) serverRunning := make(chan struct{}, 1) // create test file err := exechelper.Run(fmt.Sprintf("ip netns exec server truncate -s %s %s", srcFile, srcFile)) s.assertNil(err, "failed to run truncate command") defer func() { os.Remove(srcFile) }() s.log("test file created...") go s.startHttpServer(serverRunning, stopServer, ":666", "server") // TODO better error handling and recovery <-serverRunning defer func(chan struct{}) { stopServer <- struct{}{} }(stopServer) s.log("http server started...") clientVeth := s.netInterfaces[clientInterface] c := fmt.Sprintf("ip netns exec client wget --no-proxy --retry-connrefused"+ " --retry-on-http-error=503 --tries=10 -O %s ", outputFile) if proto == "tls" { c += " --secure-protocol=TLSv1_3 --no-check-certificate https://" } c += fmt.Sprintf("%s:555/%s", clientVeth.ip4AddressString(), srcFile) s.log(c) _, err = exechelper.CombinedOutput(c) s.assertNil(err, "failed to run wget") stopServer <- struct{}{} defer func() { os.Remove(outputFile) }() s.assertNil(assertFileSize(outputFile, srcFile)) return nil } func configureVppProxy(s *NsSuite, proto string) { serverVeth := s.netInterfaces[serverInterface] clientVeth := s.netInterfaces[clientInterface] testVppProxy := s.getContainerByName("vpp").vppInstance output := testVppProxy.vppctl( "test proxy server server-uri %s://%s/555 client-uri tcp://%s/666", proto, clientVeth.ip4AddressString(), serverVeth.peer.ip4AddressString(), ) s.log("proxy configured...", output) } func (s *NsSuite) TestVppProxyHttpTcp() { proto := "tcp" configureVppProxy(s, proto) err := testProxyHttpTcp(s, proto) s.assertNil(err) } func (s *NsSuite) TestVppProxyHttpTls() { proto := "tls" configureVppProxy(s, proto) err := testProxyHttpTcp(s, proto) s.assertNil(err) } func configureEnvoyProxy(s *NsSuite) { envoyContainer := s.getContainerByName("envoy") envoyContainer.create() serverVeth := s.netInterfaces[serverInterface] address := struct { Server string }{ Server: serverVeth.peer.ip4AddressString(), } envoyContainer.createConfig( "/etc/envoy/envoy.yaml", "resources/envoy/proxy.yaml", address, ) s.assertNil(envoyContainer.start()) } func (s *NsSuite) TestEnvoyProxyHttpTcp() { configureEnvoyProxy(s) err := testProxyHttpTcp(s, "tcp") s.assertNil(err) }