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package main
import (
"fmt"
"os"
"github.com/edwarnicke/exechelper"
)
func testProxyHttpTcp(s *NsSuite) 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 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 %s:555/%s",
outputFile,
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) {
serverVeth := s.netInterfaces[serverInterface]
clientVeth := s.netInterfaces[clientInterface]
testVppProxy := s.getContainerByName("vpp").vppInstance
output := testVppProxy.vppctl(
"test proxy server server-uri tcp://%s/555 client-uri tcp://%s/666",
clientVeth.IP4AddressString(),
serverVeth.Peer().IP4AddressString(),
)
s.log("proxy configured...", output)
}
func (s *NsSuite) TestVppProxyHttpTcp() {
configureVppProxy(s)
err := testProxyHttpTcp(s)
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)
s.assertNil(err)
}
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