import (
"fmt"
+ "os"
+ "os/exec"
+ "strings"
+ "text/template"
"github.com/edwarnicke/exechelper"
)
+const (
+ logDir string = "/tmp/hs-test/"
+)
+
+var (
+ workDir, _ = os.Getwd()
+)
+
+type Volume struct {
+ hostDir string
+ containerDir string
+ isDefaultWorkDir bool
+}
+
type Container struct {
- name string
+ suite *HstSuite
+ isOptional bool
+ runDetached bool
+ name string
+ image string
+ extraRunningArgs string
+ volumes map[string]Volume
+ envVars map[string]string
+ vppInstance *VppInstance
}
-func (c *Container) run() error {
+func newContainer(yamlInput ContainerConfig) (*Container, error) {
+ containerName := yamlInput["name"].(string)
+ if len(containerName) == 0 {
+ err := fmt.Errorf("container name must not be blank")
+ return nil, err
+ }
+
+ var container = new(Container)
+ container.volumes = make(map[string]Volume)
+ container.envVars = make(map[string]string)
+ container.name = containerName
+
+ if image, ok := yamlInput["image"]; ok {
+ container.image = image.(string)
+ } else {
+ container.image = "hs-test/vpp"
+ }
+
+ if args, ok := yamlInput["extra-args"]; ok {
+ container.extraRunningArgs = args.(string)
+ } else {
+ container.extraRunningArgs = ""
+ }
+
+ if isOptional, ok := yamlInput["is-optional"]; ok {
+ container.isOptional = isOptional.(bool)
+ } else {
+ container.isOptional = false
+ }
+
+ if runDetached, ok := yamlInput["run-detached"]; ok {
+ container.runDetached = runDetached.(bool)
+ } else {
+ container.runDetached = true
+ }
+
+ if _, ok := yamlInput["volumes"]; ok {
+ r := strings.NewReplacer("$HST_DIR", workDir)
+ for _, volu := range yamlInput["volumes"].([]interface{}) {
+ volumeMap := volu.(ContainerConfig)
+ hostDir := r.Replace(volumeMap["host-dir"].(string))
+ containerDir := volumeMap["container-dir"].(string)
+ isDefaultWorkDir := false
+
+ if isDefault, ok := volumeMap["is-default-work-dir"]; ok {
+ isDefaultWorkDir = isDefault.(bool)
+ }
+
+ container.addVolume(hostDir, containerDir, isDefaultWorkDir)
+
+ }
+ }
+
+ if _, ok := yamlInput["vars"]; ok {
+ for _, envVar := range yamlInput["vars"].([]interface{}) {
+ envVarMap := envVar.(ContainerConfig)
+ name := envVarMap["name"].(string)
+ value := envVarMap["value"].(string)
+ container.addEnvVar(name, value)
+ }
+ }
+ return container, nil
+}
+
+func (c *Container) getWorkDirVolume() (res Volume, exists bool) {
+ for _, v := range c.volumes {
+ if v.isDefaultWorkDir {
+ res = v
+ exists = true
+ return
+ }
+ }
+ return
+}
+
+func (c *Container) getHostWorkDir() (res string) {
+ if v, ok := c.getWorkDirVolume(); ok {
+ res = v.hostDir
+ }
+ return
+}
+
+func (c *Container) getContainerWorkDir() (res string) {
+ if v, ok := c.getWorkDirVolume(); ok {
+ res = v.containerDir
+ }
+ return
+}
+
+func (c *Container) getContainerArguments() string {
+ args := "--ulimit nofile=90000:90000 --cap-add=all --privileged --network host --rm"
+ args += c.getVolumesAsCliOption()
+ args += c.getEnvVarsAsCliOption()
+ if *vppSourceFileDir != "" {
+ args += fmt.Sprintf(" -v %s:%s", *vppSourceFileDir, *vppSourceFileDir)
+ }
+ args += " --name " + c.name + " " + c.image
+ args += " " + c.extraRunningArgs
+ return args
+}
+
+func (c *Container) create() error {
+ cmd := "docker create " + c.getContainerArguments()
+ c.suite.log(cmd)
+ return exechelper.Run(cmd)
+}
+
+func (c *Container) start() error {
+ cmd := "docker start " + c.name
+ c.suite.log(cmd)
+ return exechelper.Run(cmd)
+}
+
+func (c *Container) prepareCommand() (string, error) {
if c.name == "" {
- return fmt.Errorf("create volume failed: container name is blank")
+ return "", fmt.Errorf("run container failed: name is blank")
}
- exechelper.Run(fmt.Sprintf("mkdir -p /tmp/%s/sync", c.name))
- syncPath := fmt.Sprintf("-v /tmp/%s/sync:/tmp/sync", c.name)
- cmd := "docker run --cap-add=all -d --privileged --network host --rm "
- cmd += syncPath
- cmd += " --name " + c.name + " hs-test/vpp"
- fmt.Println(cmd)
- err := exechelper.Run(cmd)
+ cmd := "docker run "
+ if c.runDetached {
+ cmd += " -d"
+ }
+ cmd += " " + c.getContainerArguments()
+
+ c.suite.log(cmd)
+ return cmd, nil
+}
+
+func (c *Container) combinedOutput() (string, error) {
+ cmd, err := c.prepareCommand()
if err != nil {
- return fmt.Errorf("create volume failed: %s", err)
+ return "", err
}
+ byteOutput, err := exechelper.CombinedOutput(cmd)
+ return string(byteOutput), err
+}
+
+func (c *Container) run() error {
+ cmd, err := c.prepareCommand()
+ if err != nil {
+ return err
+ }
+
+ return exechelper.Run(cmd)
+}
+
+func (c *Container) addVolume(hostDir string, containerDir string, isDefaultWorkDir bool) {
+ var volume Volume
+ volume.hostDir = hostDir
+ volume.containerDir = containerDir
+ volume.isDefaultWorkDir = isDefaultWorkDir
+ c.volumes[hostDir] = volume
+}
+
+func (c *Container) getVolumesAsCliOption() string {
+ cliOption := ""
+
+ if len(c.volumes) > 0 {
+ for _, volume := range c.volumes {
+ cliOption += fmt.Sprintf(" -v %s:%s", volume.hostDir, volume.containerDir)
+ }
+ }
+
+ return cliOption
+}
+
+func (c *Container) addEnvVar(name string, value string) {
+ c.envVars[name] = value
+}
+
+func (c *Container) getEnvVarsAsCliOption() string {
+ cliOption := ""
+ if len(c.envVars) == 0 {
+ return cliOption
+ }
+
+ for name, value := range c.envVars {
+ cliOption += fmt.Sprintf(" -e %s=%s", name, value)
+ }
+ return cliOption
+}
+
+func (c *Container) newVppInstance(cpus []int, additionalConfigs ...Stanza) (*VppInstance, error) {
+ vpp := new(VppInstance)
+ vpp.container = c
+ vpp.cpus = cpus
+ vpp.additionalConfig = append(vpp.additionalConfig, additionalConfigs...)
+ c.vppInstance = vpp
+ return vpp, nil
+}
+
+func (c *Container) copy(sourceFileName string, targetFileName string) error {
+ cmd := exec.Command("docker", "cp", sourceFileName, c.name+":"+targetFileName)
+ return cmd.Run()
+}
+
+func (c *Container) createFile(destFileName string, content string) error {
+ f, err := os.CreateTemp("/tmp", "hst-config")
+ if err != nil {
+ return err
+ }
+ defer os.Remove(f.Name())
+
+ if _, err := f.Write([]byte(content)); err != nil {
+ return err
+ }
+ if err := f.Close(); err != nil {
+ return err
+ }
+ c.copy(f.Name(), destFileName)
return nil
}
+/*
+ * Executes in detached mode so that the started application can continue to run
+ * without blocking execution of test
+ */
+func (c *Container) execServer(command string, arguments ...any) {
+ serverCommand := fmt.Sprintf(command, arguments...)
+ containerExecCommand := "docker exec -d" + c.getEnvVarsAsCliOption() +
+ " " + c.name + " " + serverCommand
+ c.suite.T().Helper()
+ c.suite.log(containerExecCommand)
+ c.suite.assertNil(exechelper.Run(containerExecCommand))
+}
+
+func (c *Container) exec(command string, arguments ...any) string {
+ cliCommand := fmt.Sprintf(command, arguments...)
+ containerExecCommand := "docker exec" + c.getEnvVarsAsCliOption() +
+ " " + c.name + " " + cliCommand
+ c.suite.T().Helper()
+ c.suite.log(containerExecCommand)
+ byteOutput, err := exechelper.CombinedOutput(containerExecCommand)
+ c.suite.assertNil(err)
+ return string(byteOutput)
+}
+
+func (c *Container) getLogDirPath() string {
+ testId := c.suite.getTestId()
+ testName := c.suite.T().Name()
+ logDirPath := logDir + testName + "/" + testId + "/"
+
+ cmd := exec.Command("mkdir", "-p", logDirPath)
+ if err := cmd.Run(); err != nil {
+ c.suite.T().Fatalf("mkdir error: %v", err)
+ }
+
+ return logDirPath
+}
+
+func (c *Container) saveLogs() {
+ cmd := exec.Command("docker", "inspect", "--format='{{.State.Status}}'", c.name)
+ if output, _ := cmd.CombinedOutput(); !strings.Contains(string(output), "running") {
+ return
+ }
+
+ testLogFilePath := c.getLogDirPath() + "container-" + c.name + ".log"
+
+ cmd = exec.Command("docker", "logs", "--details", "-t", c.name)
+ output, err := cmd.CombinedOutput()
+ if err != nil {
+ c.suite.T().Fatalf("fetching logs error: %v", err)
+ }
+
+ f, err := os.Create(testLogFilePath)
+ if err != nil {
+ c.suite.T().Fatalf("file create error: %v", err)
+ }
+ fmt.Fprint(f, string(output))
+ f.Close()
+}
+
+func (c *Container) log() string {
+ cmd := "docker logs " + c.name
+ c.suite.log(cmd)
+ o, err := exechelper.CombinedOutput(cmd)
+ c.suite.assertNil(err)
+ return string(o)
+}
+
+func (c *Container) stop() error {
+ if c.vppInstance != nil && c.vppInstance.apiChannel != nil {
+ c.vppInstance.saveLogs()
+ c.vppInstance.disconnect()
+ }
+ c.vppInstance = nil
+ c.saveLogs()
+ return exechelper.Run("docker stop " + c.name + " -t 0")
+}
+
+func (c *Container) createConfig(targetConfigName string, templateName string, values any) {
+ template := template.Must(template.ParseFiles(templateName))
+
+ f, err := os.CreateTemp("/tmp/hs-test/", "hst-config")
+ c.suite.assertNil(err)
+ defer os.Remove(f.Name())
+
+ err = template.Execute(f, values)
+ c.suite.assertNil(err)
+
+ err = f.Close()
+ c.suite.assertNil(err)
+
+ c.copy(f.Name(), targetConfigName)
+}
+
+func init() {
+ cmd := exec.Command("mkdir", "-p", logDir)
+ if err := cmd.Run(); err != nil {
+ panic(err)
+ }
+}
Code Review / vpp.git / blobdiff