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// Suite for Envoy proxy testing
//
// The topology consists of 4 containers: curl (client), VPP (session layer), Envoy (proxy), nginx (target HTTP server).
// VPP has 2 tap interfaces configured, one for client network and second for server/target network.
package hst
import (
"fmt"
. "github.com/onsi/ginkgo/v2"
"reflect"
"runtime"
"strings"
)
const (
VppContainerName = "vpp"
EnvoyProxyContainerName = "envoy-vcl"
)
type EnvoyProxySuite struct {
HstSuite
nginxPort uint16
proxyPort uint16
maxTimeout int
}
var envoyProxyTests = map[string][]func(s *EnvoyProxySuite){}
var envoyProxySoloTests = map[string][]func(s *EnvoyProxySuite){}
func RegisterEnvoyProxyTests(tests ...func(s *EnvoyProxySuite)) {
envoyProxyTests[getTestFilename()] = tests
}
func RegisterEnvoyProxySoloTests(tests ...func(s *EnvoyProxySuite)) {
envoyProxySoloTests[getTestFilename()] = tests
}
func (s *EnvoyProxySuite) SetupSuite() {
s.HstSuite.SetupSuite()
s.LoadNetworkTopology("2taps")
s.LoadContainerTopology("envoyProxy")
if *IsVppDebug {
s.maxTimeout = 600
} else {
s.maxTimeout = 60
}
}
func (s *EnvoyProxySuite) SetupTest() {
s.HstSuite.SetupTest()
// VPP
var sessionConfig Stanza
sessionConfig.
NewStanza("session").
Append("enable").
Append("use-app-socket-api").
Append("evt_qs_memfd_seg").
Append("event-queue-length 100000")
vppContainer := s.GetContainerByName(VppContainerName)
vpp, err := vppContainer.newVppInstance(vppContainer.AllocatedCpus, sessionConfig)
s.AssertNotNil(vpp, fmt.Sprint(err))
s.AssertNil(vpp.Start())
clientInterface := s.GetInterfaceByName(ClientTapInterfaceName)
s.AssertNil(vpp.createTap(clientInterface, 1))
serverInterface := s.GetInterfaceByName(ServerTapInterfaceName)
s.AssertNil(vpp.createTap(serverInterface, 2))
vppContainer.Exec("chmod 777 -R %s", vppContainer.GetContainerWorkDir())
// nginx HTTP server
nginxContainer := s.GetTransientContainerByName(NginxServerContainerName)
s.AssertNil(nginxContainer.Create())
s.nginxPort = 80
nginxSettings := struct {
LogPrefix string
Address string
Port uint16
Timeout int
}{
LogPrefix: nginxContainer.Name,
Address: serverInterface.Ip4AddressString(),
Port: s.nginxPort,
Timeout: s.maxTimeout,
}
nginxContainer.CreateConfig(
"/nginx.conf",
"./resources/nginx/nginx_server.conf",
nginxSettings,
)
s.AssertNil(nginxContainer.Start())
// Envoy
envoyContainer := s.GetContainerByName(EnvoyProxyContainerName)
s.AssertNil(envoyContainer.Create())
s.proxyPort = 8080
envoySettings := struct {
LogPrefix string
ServerAddress string
ServerPort uint16
ProxyPort uint16
}{
LogPrefix: envoyContainer.Name,
ServerAddress: serverInterface.Ip4AddressString(),
ServerPort: s.nginxPort,
ProxyPort: s.proxyPort,
}
envoyContainer.CreateConfig(
"/etc/envoy/envoy.yaml",
"resources/envoy/proxy.yaml",
envoySettings,
)
s.AssertNil(envoyContainer.Start())
// Add Ipv4 ARP entry for nginx HTTP server, otherwise first request fail (HTTP error 503)
arp := fmt.Sprintf("set ip neighbor %s %s %s",
serverInterface.Peer.Name(),
serverInterface.Ip4AddressString(),
serverInterface.HwAddress)
vppContainer.VppInstance.Vppctl(arp)
}
func (s *EnvoyProxySuite) TearDownTest() {
if CurrentSpecReport().Failed() {
s.CollectNginxLogs(NginxServerContainerName)
s.CollectEnvoyLogs(EnvoyProxyContainerName)
}
s.HstSuite.TearDownTest()
}
func (s *EnvoyProxySuite) ProxyPort() uint16 {
return s.proxyPort
}
func (s *EnvoyProxySuite) ProxyAddr() string {
return s.GetInterfaceByName(ClientTapInterfaceName).Peer.Ip4AddressString()
}
func (s *EnvoyProxySuite) CurlDownloadResource(uri string) {
args := fmt.Sprintf("-w @/tmp/write_out_download --max-time %d --insecure --noproxy '*' --remote-name --output-dir /tmp %s", s.maxTimeout, uri)
writeOut, log := s.RunCurlContainer(args)
s.AssertContains(writeOut, "GET response code: 200")
s.AssertNotContains(log, "bytes remaining to read")
s.AssertNotContains(log, "Operation timed out")
}
func (s *EnvoyProxySuite) CurlUploadResource(uri, file string) {
args := fmt.Sprintf("-w @/tmp/write_out_upload --max-time %d --insecure --noproxy '*' -T %s %s", s.maxTimeout, file, uri)
writeOut, log := s.RunCurlContainer(args)
s.AssertContains(writeOut, "PUT response code: 201")
s.AssertNotContains(log, "Operation timed out")
}
var _ = Describe("EnvoyProxySuite", Ordered, ContinueOnFailure, func() {
var s EnvoyProxySuite
BeforeAll(func() {
s.SetupSuite()
})
BeforeEach(func() {
s.SetupTest()
})
AfterAll(func() {
s.TearDownSuite()
})
AfterEach(func() {
s.TearDownTest()
})
for filename, tests := range envoyProxyTests {
for _, test := range tests {
test := test
pc := reflect.ValueOf(test).Pointer()
funcValue := runtime.FuncForPC(pc)
testName := filename + "/" + strings.Split(funcValue.Name(), ".")[2]
It(testName, func(ctx SpecContext) {
s.Log(testName + ": BEGIN")
test(&s)
}, SpecTimeout(SuiteTimeout))
}
}
})
var _ = Describe("EnvoyProxySuiteSolo", Ordered, ContinueOnFailure, func() {
var s EnvoyProxySuite
BeforeAll(func() {
s.SetupSuite()
})
BeforeEach(func() {
s.SetupTest()
})
AfterAll(func() {
s.TearDownSuite()
})
AfterEach(func() {
s.TearDownTest()
})
for filename, tests := range envoyProxySoloTests {
for _, test := range tests {
test := test
pc := reflect.ValueOf(test).Pointer()
funcValue := runtime.FuncForPC(pc)
testName := filename + "/" + strings.Split(funcValue.Name(), ".")[2]
It(testName, Label("SOLO"), func(ctx SpecContext) {
s.Log(testName + ": BEGIN")
test(&s)
}, SpecTimeout(SuiteTimeout))
}
}
})
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