13 "github.com/edwarnicke/exechelper"
14 "github.com/stretchr/testify/assert"
15 "github.com/stretchr/testify/suite"
20 DEFAULT_NETWORK_NUM int = 1
23 var isPersistent = flag.Bool("persist", false, "persists topology config")
24 var isVerbose = flag.Bool("verbose", false, "verbose test output")
25 var isUnconfiguring = flag.Bool("unconfigure", false, "remove topology")
26 var isVppDebug = flag.Bool("debug", false, "attach gdb to vpp")
27 var nConfiguredCpus = flag.Int("cpus", 1, "number of CPUs assigned to vpp")
28 var vppSourceFileDir = flag.String("vppsrc", "", "vpp source file directory")
30 type HstSuite struct {
32 containers map[string]*Container
34 netConfigs []NetConfig
35 netInterfaces map[string]*NetInterface
36 ip4AddrAllocator *Ip4AddressAllocator
37 testIds map[string]string
38 cpuAllocator *CpuAllocatorT
39 cpuContexts []*CpuContext
43 func (s *HstSuite) SetupSuite() {
45 s.cpuAllocator, err = CpuAllocator()
47 s.FailNow("failed to init cpu allocator: %v", err)
49 s.cpuPerVpp = *nConfiguredCpus
52 func (s *HstSuite) AllocateCpus() []int {
53 cpuCtx, err := s.cpuAllocator.Allocate(s.cpuPerVpp)
55 s.AddCpuContext(cpuCtx)
59 func (s *HstSuite) AddCpuContext(cpuCtx *CpuContext) {
60 s.cpuContexts = append(s.cpuContexts, cpuCtx)
63 func (s *HstSuite) TearDownSuite() {
64 s.unconfigureNetworkTopology()
67 func (s *HstSuite) TearDownTest() {
71 for _, c := range s.cpuContexts {
78 func (s *HstSuite) skipIfUnconfiguring() {
80 s.skip("skipping to unconfigure")
84 func (s *HstSuite) SetupTest() {
85 s.skipIfUnconfiguring()
90 func (s *HstSuite) setupVolumes() {
91 for _, volume := range s.volumes {
92 cmd := "docker volume create --name=" + volume
98 func (s *HstSuite) setupContainers() {
99 for _, container := range s.containers {
100 if !container.isOptional {
106 func logVppInstance(container *Container, maxLines int){
107 if container.vppInstance == nil{
111 logSource := container.getHostWorkDir() + defaultLogFilePath
112 file, err := os.Open(logSource)
119 scanner := bufio.NewScanner(file)
124 lines = append(lines, scanner.Text())
126 if counter > maxLines {
132 fmt.Println("vvvvvvvvvvvvvvv " + container.name + " [VPP instance]:")
133 for _, line := range lines{
136 fmt.Printf("^^^^^^^^^^^^^^^\n\n")
140 func (s *HstSuite) hstFail() {
141 fmt.Println("Containers: " + fmt.Sprint(s.containers))
142 for _, container := range s.containers{
143 out, err := container.log(20)
145 fmt.Printf("An error occured while obtaining '%s' container logs: %s\n", container.name, fmt.Sprint(err))
148 fmt.Printf("\nvvvvvvvvvvvvvvv " +
149 container.name + ":\n" +
151 "^^^^^^^^^^^^^^^\n\n")
152 logVppInstance(container, 20)
157 func (s *HstSuite) assertNil(object interface{}, msgAndArgs ...interface{}) {
158 if !assert.Nil(s.T(), object, msgAndArgs...) {
163 func (s *HstSuite) assertNotNil(object interface{}, msgAndArgs ...interface{}) {
164 if !assert.NotNil(s.T(), object, msgAndArgs...) {
169 func (s *HstSuite) assertEqual(expected, actual interface{}, msgAndArgs ...interface{}) {
170 if !assert.Equal(s.T(), expected, actual, msgAndArgs...) {
175 func (s *HstSuite) assertNotEqual(expected, actual interface{}, msgAndArgs ...interface{}) {
176 if !assert.NotEqual(s.T(), expected, actual, msgAndArgs...) {
181 func (s *HstSuite) assertContains(testString, contains interface{}, msgAndArgs ...interface{}) {
182 if !assert.Contains(s.T(), testString, contains, msgAndArgs...) {
187 func (s *HstSuite) assertNotContains(testString, contains interface{}, msgAndArgs ...interface{}) {
188 if !assert.NotContains(s.T(), testString, contains, msgAndArgs...) {
193 func (s *HstSuite) assertNotEmpty(object interface{}, msgAndArgs ...interface{}) {
194 if !assert.NotEmpty(s.T(), object, msgAndArgs...) {
199 func (s *HstSuite) log(args ...any) {
206 func (s *HstSuite) skip(args ...any) {
211 func (s *HstSuite) SkipIfMultiWorker(args ...any) {
212 if *nConfiguredCpus > 1 {
213 s.skip("test case not supported with multiple vpp workers")
217 func (s *HstSuite) SkipUnlessExtendedTestsBuilt() {
218 imageName := "hs-test/nginx-http3"
220 cmd := exec.Command("docker", "images", imageName)
221 byteOutput, err := cmd.CombinedOutput()
223 s.log("error while searching for docker image")
226 if !strings.Contains(string(byteOutput), imageName) {
227 s.skip("extended tests not built")
231 func (s *HstSuite) resetContainers() {
232 for _, container := range s.containers {
237 func (s *HstSuite) removeVolumes() {
238 for _, volumeName := range s.volumes {
239 cmd := "docker volume rm " + volumeName
241 os.RemoveAll(volumeName)
245 func (s *HstSuite) getContainerByName(name string) *Container {
246 return s.containers[name]
250 * Create a copy and return its address, so that individial tests which call this
251 * are not able to modify the original container and affect other tests by doing that
253 func (s *HstSuite) getTransientContainerByName(name string) *Container {
254 containerCopy := *s.containers[name]
255 return &containerCopy
258 func (s *HstSuite) loadContainerTopology(topologyName string) {
259 data, err := os.ReadFile(containerTopologyDir + topologyName + ".yaml")
261 s.T().Fatalf("read error: %v", err)
263 var yamlTopo YamlTopology
264 err = yaml.Unmarshal(data, &yamlTopo)
266 s.T().Fatalf("unmarshal error: %v", err)
269 for _, elem := range yamlTopo.Volumes {
270 volumeMap := elem["volume"].(VolumeConfig)
271 hostDir := volumeMap["host-dir"].(string)
272 workingVolumeDir := logDir + s.T().Name() + volumeDir
273 volDirReplacer := strings.NewReplacer("$HST_VOLUME_DIR", workingVolumeDir)
274 hostDir = volDirReplacer.Replace(hostDir)
275 s.volumes = append(s.volumes, hostDir)
278 s.containers = make(map[string]*Container)
279 for _, elem := range yamlTopo.Containers {
280 newContainer, err := newContainer(s, elem)
282 s.T().Fatalf("container config error: %v", err)
284 s.containers[newContainer.name] = newContainer
288 func (s *HstSuite) loadNetworkTopology(topologyName string) {
289 data, err := os.ReadFile(networkTopologyDir + topologyName + ".yaml")
291 s.T().Fatalf("read error: %v", err)
293 var yamlTopo YamlTopology
294 err = yaml.Unmarshal(data, &yamlTopo)
296 s.T().Fatalf("unmarshal error: %v", err)
299 s.ip4AddrAllocator = NewIp4AddressAllocator()
300 s.netInterfaces = make(map[string]*NetInterface)
301 for _, elem := range yamlTopo.Devices {
302 switch elem["type"].(string) {
305 if namespace, err := newNetNamespace(elem); err == nil {
306 s.netConfigs = append(s.netConfigs, &namespace)
308 s.T().Fatalf("network config error: %v", err)
313 if netIf, err := newNetworkInterface(elem, s.ip4AddrAllocator); err == nil {
314 s.netConfigs = append(s.netConfigs, netIf)
315 s.netInterfaces[netIf.Name()] = netIf
317 s.T().Fatalf("network config error: %v", err)
322 if bridge, err := newBridge(elem); err == nil {
323 s.netConfigs = append(s.netConfigs, &bridge)
325 s.T().Fatalf("network config error: %v", err)
332 func (s *HstSuite) configureNetworkTopology(topologyName string) {
333 s.loadNetworkTopology(topologyName)
335 if *isUnconfiguring {
339 for _, nc := range s.netConfigs {
340 if err := nc.configure(); err != nil {
341 s.T().Fatalf("network config error: %v", err)
346 func (s *HstSuite) unconfigureNetworkTopology() {
350 for _, nc := range s.netConfigs {
355 func (s *HstSuite) getTestId() string {
356 testName := s.T().Name()
358 if s.testIds == nil {
359 s.testIds = map[string]string{}
362 if _, ok := s.testIds[testName]; !ok {
363 s.testIds[testName] = time.Now().Format("2006-01-02_15-04-05")
366 return s.testIds[testName]
369 func (s *HstSuite) startServerApp(running chan error, done chan struct{}, env []string) {
370 cmd := exec.Command("iperf3", "-4", "-s")
377 msg := fmt.Errorf("failed to start iperf server: %v", err)
386 func (s *HstSuite) startClientApp(ipAddress string, env []string, clnCh chan error, clnRes chan string) {
394 cmd := exec.Command("iperf3", "-c", ipAddress, "-u", "-l", "1460", "-b", "10g")
399 o, err := cmd.CombinedOutput()
402 clnCh <- fmt.Errorf("failed to start client app '%s'.\n%s", err, o)
405 time.Sleep(1 * time.Second)
409 clnRes <- fmt.Sprintf("Client output: %s", o)
415 func (s *HstSuite) startHttpServer(running chan struct{}, done chan struct{}, addressPort, netNs string) {
416 cmd := newCommand([]string{"./http_server", addressPort}, netNs)
420 fmt.Println("Failed to start http server: " + fmt.Sprint(err))
423 running <- struct{}{}
428 func (s *HstSuite) startWget(finished chan error, server_ip, port, query, netNs string) {
430 finished <- errors.New("wget error")
433 cmd := newCommand([]string{"wget", "--timeout=10", "--no-proxy", "--tries=5", "-O", "/dev/null", server_ip + ":" + port + "/" + query},
436 o, err := cmd.CombinedOutput()
438 finished <- fmt.Errorf("wget error: '%v\n\n%s'", err, o)
440 } else if !strings.Contains(string(o), "200 OK") {
441 finished <- fmt.Errorf("wget error: response not 200 OK")