func putReplicationControllerSize(request *restful.Request, response *restful.Response) {
namespace := request.PathParameter("namespace")
replicationController := request.PathParameter("replicationcontroller")
kubeApiServerEndPoint, kubeApiServerToken, err := configuration.GetAvailablekubeApiServerEndPoint()
if err != nil {
jsonMap := make(map[string]interface{})
jsonMap["Error"] = "Get kube apiserver endpoint and token failure"
jsonMap["ErrorMessage"] = err.Error()
jsonMap["namespace"] = namespace
jsonMap["replicationController"] = replicationController
errorMessageByteSlice, _ := json.Marshal(jsonMap)
log.Error(jsonMap)
response.WriteErrorString(404, string(errorMessageByteSlice))
return
}
sizeInput := SizeInput{}
err = request.ReadEntity(&sizeInput)
if err != nil {
jsonMap := make(map[string]interface{})
jsonMap["Error"] = "Read body failure"
jsonMap["ErrorMessage"] = err.Error()
jsonMap["kubeApiServerEndPoint"] = kubeApiServerEndPoint
jsonMap["namespace"] = namespace
jsonMap["replicationController"] = replicationController
errorMessageByteSlice, _ := json.Marshal(jsonMap)
log.Error(jsonMap)
response.WriteErrorString(400, string(errorMessageByteSlice))
return
}
err = control.UpdateReplicationControllerSize(kubeApiServerEndPoint, kubeApiServerToken, namespace, replicationController, sizeInput.Size)
if err != nil {
jsonMap := make(map[string]interface{})
jsonMap["Error"] = "Resize replication controller failure"
jsonMap["ErrorMessage"] = err.Error()
jsonMap["kubeApiServerEndPoint"] = kubeApiServerEndPoint
jsonMap["namespace"] = namespace
jsonMap["replicationController"] = replicationController
jsonMap["size"] = sizeInput.Size
errorMessageByteSlice, _ := json.Marshal(jsonMap)
log.Error(jsonMap)
response.WriteErrorString(422, string(errorMessageByteSlice))
return
}
}
func ResizeDeployClusterApplication(kubeApiServerEndPoint string, kubeApiServerToken string, namespace string, name string, environmentSlice []interface{}, size int) error {
cluster, err := application.GetStorage().LoadClusterApplication(name)
if err != nil {
log.Error("Load cluster application error %s", err)
return err
}
replicationControllerJsonMap := make(map[string]interface{})
err = json.Unmarshal([]byte(cluster.ReplicationControllerJson), &replicationControllerJsonMap)
if err != nil {
log.Error("Unmarshal replication controller json for cluster application error %s", err)
return err
}
// Add environment variable
if environmentSlice != nil {
if replicationControllerJsonMap["spec"] != nil {
containerSlice := replicationControllerJsonMap["spec"].(map[string]interface{})["template"].(map[string]interface{})["spec"].(map[string]interface{})["containers"].([]interface{})
for i := 0; i < len(containerSlice); i++ {
_, ok := containerSlice[i].(map[string]interface{})["env"].([]interface{})
if ok {
for _, environment := range environmentSlice {
containerSlice[i].(map[string]interface{})["env"] = append(containerSlice[i].(map[string]interface{})["env"].([]interface{}), environment)
}
} else {
containerSlice[i].(map[string]interface{})["env"] = environmentSlice
}
}
}
}
replicationControllerByteSlice, err := json.Marshal(replicationControllerJsonMap)
if err != nil {
log.Error("Marshal replication controller json for cluster application error %s", err)
return err
}
environmentByteSlice, err := json.Marshal(environmentSlice)
if err != nil {
log.Error("Marshal environment json for cluster application error %s", err)
return err
}
// Generate random work space
workingDirectory := "/tmp/tmp_" + random.UUID()
replicationControllerFileName := "replication-controller.json"
scriptFileName := "script"
environmentFileName := "environment.json"
// Check working space
if _, err := os.Stat(workingDirectory); os.IsNotExist(err) {
err := os.MkdirAll(workingDirectory, os.ModePerm)
if err != nil {
log.Error("Create non-existing directory %s error: %s", workingDirectory, err)
return err
}
}
err = ioutil.WriteFile(workingDirectory+string(os.PathSeparator)+environmentFileName, environmentByteSlice, os.ModePerm)
if err != nil {
log.Error("Write environment json file for cluster application error %s", err)
return err
}
err = ioutil.WriteFile(workingDirectory+string(os.PathSeparator)+replicationControllerFileName, replicationControllerByteSlice, os.ModePerm)
if err != nil {
log.Error("Write replication controller json file for cluster application error %s", err)
return err
}
err = ioutil.WriteFile(workingDirectory+string(os.PathSeparator)+scriptFileName, []byte(cluster.ScriptContent), os.ModePerm)
if err != nil {
log.Error("Write script file for cluster application error %s", err)
return err
}
switch cluster.ScriptType {
case "none":
deployClusterApplication, err := GetDeployClusterApplication(namespace, name)
if err != nil {
log.Error("Get deploy cluster application error %s", err)
return err
}
for _, replicationControllerName := range deployClusterApplication.ReplicationControllerNameSlice {
err := control.UpdateReplicationControllerSize(kubeApiServerEndPoint, kubeApiServerToken, namespace, replicationControllerName, size)
if err != nil {
log.Error("Resize replication controller %s error %s", replicationControllerName, err)
return err
}
}
case "python":
command := exec.Command("python", scriptFileName,
"--application_name="+name,
"--kube_apiserver_endpoint="+kubeApiServerEndPoint,
"--kube_apiserver_token="+kubeApiServerToken,
"--namespace="+namespace,
"--size="+strconv.Itoa(size),
"--replication_controller_file_name="+replicationControllerFileName,
"--environment_file_name="+environmentFileName,
"--timeout_in_second=120",
"--action=resize")
command.Dir = workingDirectory
out, err := command.CombinedOutput()
log.Debug(string(out))
if err != nil {
log.Error("Run python script file for cluster application error %s", err)
return errors.New("Error: " + err.Error() + " Output: " + string(out))
}
default:
log.Error("No such script type: %s", cluster.ScriptType)
return errors.New("No such script type: " + cluster.ScriptType)
}
// Remove working space
err = os.RemoveAll(workingDirectory)
if err != nil {
log.Error("Remove the working directory for cluster application error %s", err)
return err
}
// Update deploy data
deployClusterApplication, err := GetStorage().LoadDeployClusterApplication(namespace, name)
if err != nil {
log.Error("Update the deploy cluster application with error %s", err)
return err
}
_, serviceName, replicationControllerNameSlice, err := getServiceNameAndReplicationControllerNameSlice(kubeApiServerEndPoint, kubeApiServerToken, namespace, name)
if err != nil {
log.Error(err)
return err
}
deployClusterApplication.Size = size
deployClusterApplication.EnvironmentSlice = environmentSlice
deployClusterApplication.ServiceName = serviceName
deployClusterApplication.ReplicationControllerNameSlice = replicationControllerNameSlice
err = GetStorage().SaveDeployClusterApplication(deployClusterApplication)
if err != nil {
log.Error("Save the deploy cluster application error %s", err)
return err
}
return nil
}