9 "github.com/edwarnicke/exechelper"
13 workDir, _ = os.Getwd()
22 type Container struct {
27 extraRunningArgs string
28 volumes map[string]Volume
29 envVars map[string]string
30 vppInstance *VppInstance
33 func NewContainer(yamlInput ContainerConfig) (*Container, error) {
34 containerName := yamlInput["name"].(string)
35 if len(containerName) == 0 {
36 err := fmt.Errorf("container name must not be blank")
40 var container = new(Container)
41 container.volumes = make(map[string]Volume)
42 container.envVars = make(map[string]string)
43 container.name = containerName
45 if image, ok := yamlInput["image"]; ok {
46 container.image = image.(string)
48 container.image = "hs-test/vpp"
51 if args, ok := yamlInput["extra-args"]; ok {
52 container.extraRunningArgs = args.(string)
54 container.extraRunningArgs = ""
57 if isOptional, ok := yamlInput["is-optional"]; ok {
58 container.isOptional = isOptional.(bool)
60 container.isOptional = false
63 if _, ok := yamlInput["volumes"]; ok {
64 r := strings.NewReplacer("$HST_DIR", workDir)
65 for _, volu := range yamlInput["volumes"].([]interface{}) {
66 volumeMap := volu.(ContainerConfig)
67 hostDir := r.Replace(volumeMap["host-dir"].(string))
68 containerDir := volumeMap["container-dir"].(string)
69 isDefaultWorkDir := false
71 if isDefault, ok := volumeMap["is-default-work-dir"]; ok {
72 isDefaultWorkDir = isDefault.(bool)
75 container.addVolume(hostDir, containerDir, isDefaultWorkDir)
80 if _, ok := yamlInput["vars"]; ok {
81 for _, envVar := range yamlInput["vars"].([]interface{}) {
82 envVarMap := envVar.(ContainerConfig)
83 name := envVarMap["name"].(string)
84 value := envVarMap["value"].(string)
85 container.addEnvVar(name, value)
91 func (c *Container) Suite() *HstSuite {
95 func (c *Container) getWorkDirVolume() (res Volume, exists bool) {
96 for _, v := range c.volumes {
97 if v.isDefaultWorkDir {
106 func (c *Container) GetHostWorkDir() (res string) {
107 if v, ok := c.getWorkDirVolume(); ok {
113 func (c *Container) GetContainerWorkDir() (res string) {
114 if v, ok := c.getWorkDirVolume(); ok {
120 func (c *Container) getRunCommand() string {
121 cmd := "docker run --cap-add=all -d --privileged --network host --rm"
122 cmd += c.getVolumesAsCliOption()
123 cmd += c.getEnvVarsAsCliOption()
124 cmd += " --name " + c.name + " " + c.image + " " + c.extraRunningArgs
128 func (c *Container) run() error {
130 return fmt.Errorf("run container failed: name is blank")
133 exechelper.Run(fmt.Sprintf("mkdir -p /tmp/%s/sync", c.name))
134 cmd := c.getRunCommand()
135 err := exechelper.Run(cmd)
137 return fmt.Errorf("container run failed: %s", err)
143 func (c *Container) addVolume(hostDir string, containerDir string, isDefaultWorkDir bool) {
145 volume.hostDir = hostDir
146 volume.containerDir = containerDir
147 volume.isDefaultWorkDir = isDefaultWorkDir
148 c.volumes[hostDir] = volume
151 func (c *Container) getVolumeByHostDir(hostDir string) Volume {
152 return c.volumes[hostDir]
155 func (c *Container) getVolumesAsCliOption() string {
158 if len(c.volumes) > 0 {
159 for _, volume := range c.volumes {
160 cliOption += fmt.Sprintf(" -v %s:%s", volume.hostDir, volume.containerDir)
167 func (c *Container) getWorkDirAsCliOption() string {
168 if _, ok := c.getWorkDirVolume(); ok {
169 return fmt.Sprintf(" --workdir=\"%s\"", c.GetContainerWorkDir())
174 func (c *Container) addEnvVar(name string, value string) {
175 c.envVars[name] = value
178 func (c *Container) getEnvVarsAsCliOption() string {
180 if len(c.envVars) == 0 {
184 for name, value := range c.envVars {
185 cliOption += fmt.Sprintf(" -e %s=%s", name, value)
190 func (c *Container) newVppInstance(additionalConfig ...Stanza) (*VppInstance, error) {
191 vppConfig := new(VppConfig)
192 vppConfig.CliSocketFilePath = defaultCliSocketFilePath
193 if len(additionalConfig) > 0 {
194 vppConfig.additionalConfig = additionalConfig[0]
197 vpp := new(VppInstance)
199 vpp.config = vppConfig
206 func (c *Container) copy(sourceFileName string, targetFileName string) error {
207 cmd := exec.Command("docker", "cp", sourceFileName, c.name+":"+targetFileName)
211 func (c *Container) createFile(destFileName string, content string) error {
212 f, err := os.CreateTemp("/tmp", "hst-config")
216 defer os.Remove(f.Name())
218 if _, err := f.Write([]byte(content)); err != nil {
221 if err := f.Close(); err != nil {
224 c.copy(f.Name(), destFileName)
229 * Executes in detached mode so that the started application can continue to run
230 * without blocking execution of test
232 func (c *Container) execServer(command string, arguments ...any) {
233 serverCommand := fmt.Sprintf(command, arguments...)
234 containerExecCommand := "docker exec -d" + c.getEnvVarsAsCliOption() +
235 " " + c.name + " " + serverCommand
236 c.Suite().log(containerExecCommand)
237 c.Suite().assertNil(exechelper.Run(containerExecCommand))
240 func (c *Container) exec(command string, arguments ...any) string {
241 cliCommand := fmt.Sprintf(command, arguments...)
242 containerExecCommand := "docker exec" + c.getEnvVarsAsCliOption() +
243 " " + c.name + " " + cliCommand
244 c.Suite().log(containerExecCommand)
245 byteOutput, err := exechelper.CombinedOutput(containerExecCommand)
246 c.Suite().assertNil(err)
247 return string(byteOutput)
250 func (c *Container) stop() error {
251 if c.vppInstance != nil && c.vppInstance.apiChannel != nil {
252 c.vppInstance.disconnect()
255 return exechelper.Run("docker stop " + c.name + " -t 0")