package main
import (
- "context"
- "encoding/json"
- "errors"
"fmt"
"io"
- "io/ioutil"
"os"
- "os/exec"
"strings"
- "testing"
- "time"
-
- "github.com/edwarnicke/exechelper"
)
-const configTemplate = `unix {
- nodaemon
- log %[1]s/var/log/vpp/vpp.log
- full-coredump
- cli-listen %[1]s/var/run/vpp/cli.sock
- runtime-dir %[1]s/var/run
- gid vpp
-}
-
-api-trace {
- on
-}
-
-api-segment {
- gid vpp
-}
-
-socksvr {
- socket-name %[1]s/var/run/vpp/api.sock
-}
-
-statseg {
- socket-name %[1]s/var/run/vpp/stats.sock
-}
-
-plugins {
- plugin unittest_plugin.so { enable }
- plugin dpdk_plugin.so { disable }
- plugin crypto_aesni_plugin.so { enable }
- plugin quic_plugin.so { enable }
-}
-
-`
-
-const TopologyDir string = "topo/"
+const networkTopologyDir string = "topo-network/"
+const containerTopologyDir string = "topo-containers/"
type Stanza struct {
content string
StdOutput string
}
-func StartServerApp(running chan error, done chan struct{}, env []string) {
- cmd := exec.Command("iperf3", "-4", "-s")
- if env != nil {
- cmd.Env = env
- }
- err := cmd.Start()
- if err != nil {
- msg := fmt.Errorf("failed to start iperf server: %v", err)
- running <- msg
- return
- }
- running <- nil
- <-done
- cmd.Process.Kill()
-}
-
-func StartClientApp(env []string, clnCh chan error) {
- defer func() {
- clnCh <- nil
- }()
-
- nTries := 0
-
- for {
- cmd := exec.Command("iperf3", "-c", "10.10.10.1", "-u", "-l", "1460", "-b", "10g")
- if env != nil {
- cmd.Env = env
- }
- o, err := cmd.CombinedOutput()
- if err != nil {
- if nTries > 5 {
- clnCh <- fmt.Errorf("failed to start client app '%s'.\n%s", err, o)
- return
- }
- time.Sleep(1 * time.Second)
- nTries++
- continue
- } else {
- fmt.Printf("Client output: %s", o)
- }
- break
- }
-}
-
-// run vpphelper in docker
-func hstExec(args string, instance string) (string, error) {
- syncFile := fmt.Sprintf("/tmp/%s/sync/rc", instance)
- os.Remove(syncFile)
-
- c := "docker exec -d " + instance + " /hs-test " + args
- err := exechelper.Run(c)
- if err != nil {
- return "", err
- }
-
- res, err := waitForSyncFile(syncFile)
-
- if err != nil {
- return "", fmt.Errorf("failed to read sync file while executing './hs-test %s': %v", args, err)
- }
-
- o := res.StdOutput + res.ErrOutput
- if res.Code != 0 {
- return o, fmt.Errorf("cmd resulted in non-zero value %d: %s", res.Code, res.Desc)
- }
- return o, err
-}
-
-func waitForSyncFile(fname string) (*JsonResult, error) {
- var res JsonResult
-
- for i := 0; i < 60; i++ {
- f, err := os.Open(fname)
- if err == nil {
- defer f.Close()
-
- data, err := ioutil.ReadFile(fname)
- if err != nil {
- return nil, fmt.Errorf("read error: %v", err)
- }
- err = json.Unmarshal(data, &res)
- if err != nil {
- return nil, fmt.Errorf("json unmarshal error: %v", err)
- }
- return &res, nil
- }
- time.Sleep(1 * time.Second)
- }
- return nil, fmt.Errorf("no sync file found")
-}
-
-func dockerRun(instance, args string) error {
- exechelper.Run(fmt.Sprintf("mkdir -p /tmp/%s/sync", instance))
- syncPath := fmt.Sprintf("-v /tmp/%s/sync:/tmp/sync", instance)
- cmd := "docker run --cap-add=all -d --privileged --network host --rm "
- cmd += syncPath
- cmd += " " + args
- cmd += " --name " + instance + " hs-test/vpp"
- fmt.Println(cmd)
- return exechelper.Run(cmd)
-}
-
func assertFileSize(f1, f2 string) error {
fi1, err := os.Stat(f1)
if err != nil {
return nil
}
-func dockerExec(cmd string, instance string) ([]byte, error) {
- c := "docker exec -d " + instance + " " + cmd
- return exechelper.CombinedOutput(c)
-}
-
-func startEnvoy(ctx context.Context, dockerInstance string) <-chan error {
- errCh := make(chan error)
- wd, err := os.Getwd()
- if err != nil {
- errCh <- err
- return errCh
- }
-
- c := []string{"docker", "run", "--rm", "--name", "envoy",
- "-v", fmt.Sprintf("%s/envoy/proxy.yaml:/etc/envoy/envoy.yaml", wd),
- "-v", fmt.Sprintf("shared-vol:/tmp/%s", dockerInstance),
- "-v", fmt.Sprintf("%s/envoy:/tmp", wd),
- "-e", "ENVOY_UID=0",
- "-e", "VCL_CONFIG=/tmp/vcl.conf",
- "envoyproxy/envoy-contrib:v1.21-latest"}
- fmt.Println(c)
-
- go func(errCh chan error) {
- count := 0
- var cmd *exec.Cmd
- for ; ; count++ {
- cmd = NewCommand(c, "")
- err = cmd.Start()
- if err == nil {
- break
- }
- if count > 5 {
- errCh <- fmt.Errorf("failed to start envoy docker after %d attempts", count)
- return
- }
- }
-
- err = cmd.Wait()
- if err != nil {
- errCh <- fmt.Errorf("failed to start docker: %v", err)
- return
- }
- <-ctx.Done()
- }(errCh)
- return errCh
-}
-
-func setupEnvoy(t *testing.T, ctx context.Context, dockerInstance string) error {
- errCh := startEnvoy(ctx, dockerInstance)
- select {
- case err := <-errCh:
- return err
- default:
- }
-
- go func(ctx context.Context, errCh <-chan error) {
- for {
- select {
- // handle cancel() call from outside to gracefully stop the routine
- case <-ctx.Done():
- return
- default:
- select {
- case err := <-errCh:
- fmt.Printf("error while running envoy: %v", err)
- default:
- }
- }
- }
- }(ctx, errCh)
- return nil
-}
-
-func configureVppProxy() error {
- _, err := dockerExec("vppctl test proxy server server-uri tcp://10.0.0.2/555 client-uri tcp://10.0.1.1/666",
- "vpp-proxy")
- if err != nil {
- return fmt.Errorf("error while configuring vpp proxy test: %v", err)
- }
- return nil
-}
-
-func startHttpServer(running chan struct{}, done chan struct{}, addressPort, netNs string) {
- cmd := NewCommand([]string{"./http_server", addressPort}, netNs)
- err := cmd.Start()
- if err != nil {
- fmt.Println("Failed to start http server")
- return
- }
- running <- struct{}{}
- <-done
- cmd.Process.Kill()
-}
-
-func startWget(finished chan error, server_ip, port string, netNs string) {
- fname := "test_file_10M"
- defer func() {
- finished <- errors.New("wget error")
- }()
-
- cmd := NewCommand([]string{"wget", "--tries=5", "-q", "-O", "/dev/null", server_ip + ":" + port + "/" + fname},
- netNs)
- o, err := cmd.CombinedOutput()
- if err != nil {
- fmt.Printf("wget error: '%s'.\n%s", err, o)
- return
- }
- fmt.Printf("Client output: %s", o)
- finished <- nil
-}
-
-func (c *Stanza) NewStanza(name string) *Stanza {
- c.Append("\n" + name + " {")
+func (c *Stanza) newStanza(name string) *Stanza {
+ c.append("\n" + name + " {")
c.pad += 2
return c
}
-func (c *Stanza) Append(name string) *Stanza {
+func (c *Stanza) append(name string) *Stanza {
c.content += strings.Repeat(" ", c.pad)
c.content += name + "\n"
return c
}
-func (c *Stanza) Close() *Stanza {
+func (c *Stanza) close() *Stanza {
c.content += "}\n"
c.pad -= 2
return c
}
-func (s *Stanza) ToString() string {
+func (s *Stanza) toString() string {
return s.content
}
-func (s *Stanza) SaveToFile(fileName string) error {
+func (s *Stanza) saveToFile(fileName string) error {
fo, err := os.Create(fileName)
if err != nil {
return err
Code Review / vpp.git / blobdiff