9 "github.com/edwarnicke/exechelper"
13 logDir string = "/tmp/hs-test/"
17 workDir, _ = os.Getwd()
26 type Container struct {
31 extraRunningArgs string
32 volumes map[string]Volume
33 envVars map[string]string
34 vppInstance *VppInstance
37 func NewContainer(yamlInput ContainerConfig) (*Container, error) {
38 containerName := yamlInput["name"].(string)
39 if len(containerName) == 0 {
40 err := fmt.Errorf("container name must not be blank")
44 var container = new(Container)
45 container.volumes = make(map[string]Volume)
46 container.envVars = make(map[string]string)
47 container.name = containerName
49 if image, ok := yamlInput["image"]; ok {
50 container.image = image.(string)
52 container.image = "hs-test/vpp"
55 if args, ok := yamlInput["extra-args"]; ok {
56 container.extraRunningArgs = args.(string)
58 container.extraRunningArgs = ""
61 if isOptional, ok := yamlInput["is-optional"]; ok {
62 container.isOptional = isOptional.(bool)
64 container.isOptional = false
67 if _, ok := yamlInput["volumes"]; ok {
68 r := strings.NewReplacer("$HST_DIR", workDir)
69 for _, volu := range yamlInput["volumes"].([]interface{}) {
70 volumeMap := volu.(ContainerConfig)
71 hostDir := r.Replace(volumeMap["host-dir"].(string))
72 containerDir := volumeMap["container-dir"].(string)
73 isDefaultWorkDir := false
75 if isDefault, ok := volumeMap["is-default-work-dir"]; ok {
76 isDefaultWorkDir = isDefault.(bool)
79 container.addVolume(hostDir, containerDir, isDefaultWorkDir)
84 if _, ok := yamlInput["vars"]; ok {
85 for _, envVar := range yamlInput["vars"].([]interface{}) {
86 envVarMap := envVar.(ContainerConfig)
87 name := envVarMap["name"].(string)
88 value := envVarMap["value"].(string)
89 container.addEnvVar(name, value)
95 func (c *Container) Suite() *HstSuite {
99 func (c *Container) getWorkDirVolume() (res Volume, exists bool) {
100 for _, v := range c.volumes {
101 if v.isDefaultWorkDir {
110 func (c *Container) GetHostWorkDir() (res string) {
111 if v, ok := c.getWorkDirVolume(); ok {
117 func (c *Container) GetContainerWorkDir() (res string) {
118 if v, ok := c.getWorkDirVolume(); ok {
124 func (c *Container) getRunCommand() string {
125 cmd := "docker run --cap-add=all -d --privileged --network host --rm"
126 cmd += c.getVolumesAsCliOption()
127 cmd += c.getEnvVarsAsCliOption()
128 cmd += " --name " + c.name + " " + c.image + " " + c.extraRunningArgs
132 func (c *Container) run() error {
134 return fmt.Errorf("run container failed: name is blank")
137 cmd := c.getRunCommand()
138 err := exechelper.Run(cmd)
140 return fmt.Errorf("container run failed: %s", err)
146 func (c *Container) addVolume(hostDir string, containerDir string, isDefaultWorkDir bool) {
148 volume.hostDir = hostDir
149 volume.containerDir = containerDir
150 volume.isDefaultWorkDir = isDefaultWorkDir
151 c.volumes[hostDir] = volume
154 func (c *Container) getVolumesAsCliOption() string {
157 if len(c.volumes) > 0 {
158 for _, volume := range c.volumes {
159 cliOption += fmt.Sprintf(" -v %s:%s", volume.hostDir, volume.containerDir)
166 func (c *Container) addEnvVar(name string, value string) {
167 c.envVars[name] = value
170 func (c *Container) getEnvVarsAsCliOption() string {
172 if len(c.envVars) == 0 {
176 for name, value := range c.envVars {
177 cliOption += fmt.Sprintf(" -e %s=%s", name, value)
182 func (c *Container) newVppInstance(additionalConfig ...Stanza) (*VppInstance, error) {
183 vpp := new(VppInstance)
186 if len(additionalConfig) > 0 {
187 vpp.additionalConfig = additionalConfig[0]
195 func (c *Container) copy(sourceFileName string, targetFileName string) error {
196 cmd := exec.Command("docker", "cp", sourceFileName, c.name+":"+targetFileName)
200 func (c *Container) createFile(destFileName string, content string) error {
201 f, err := os.CreateTemp("/tmp", "hst-config")
205 defer os.Remove(f.Name())
207 if _, err := f.Write([]byte(content)); err != nil {
210 if err := f.Close(); err != nil {
213 c.copy(f.Name(), destFileName)
218 * Executes in detached mode so that the started application can continue to run
219 * without blocking execution of test
221 func (c *Container) execServer(command string, arguments ...any) {
222 serverCommand := fmt.Sprintf(command, arguments...)
223 containerExecCommand := "docker exec -d" + c.getEnvVarsAsCliOption() +
224 " " + c.name + " " + serverCommand
225 c.Suite().T().Helper()
226 c.Suite().log(containerExecCommand)
227 c.Suite().assertNil(exechelper.Run(containerExecCommand))
230 func (c *Container) exec(command string, arguments ...any) string {
231 cliCommand := fmt.Sprintf(command, arguments...)
232 containerExecCommand := "docker exec" + c.getEnvVarsAsCliOption() +
233 " " + c.name + " " + cliCommand
234 c.Suite().T().Helper()
235 c.Suite().log(containerExecCommand)
236 byteOutput, err := exechelper.CombinedOutput(containerExecCommand)
237 c.Suite().assertNil(err)
238 return string(byteOutput)
241 func (c *Container) getLogDirPath() string {
242 testId := c.Suite().getTestId()
243 testName := c.Suite().T().Name()
244 logDirPath := logDir + testName + "/" + testId + "/"
246 cmd := exec.Command("mkdir", "-p", logDirPath)
247 if err := cmd.Run(); err != nil {
248 c.Suite().T().Fatalf("mkdir error: %v", err)
254 func (c *Container) saveLogs() {
255 cmd := exec.Command("docker", "inspect", "--format='{{.State.Status}}'", c.name)
256 if output, _ := cmd.CombinedOutput(); !strings.Contains(string(output), "running") {
260 testLogFilePath := c.getLogDirPath() + "container-" + c.name + ".log"
262 cmd = exec.Command("docker", "logs", "--details", "-t", c.name)
263 output, err := cmd.CombinedOutput()
265 c.Suite().T().Fatalf("fetching logs error: %v", err)
268 f, err := os.Create(testLogFilePath)
270 c.Suite().T().Fatalf("file create error: %v", err)
272 fmt.Fprintf(f, string(output))
276 func (c *Container) stop() error {
277 if c.vppInstance != nil && c.vppInstance.apiChannel != nil {
278 c.vppInstance.saveLogs()
279 c.vppInstance.disconnect()
283 return exechelper.Run("docker stop " + c.name + " -t 0")