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agent.go
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agent.go
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package handler
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"github.com/devsapp/serverless-stable-diffusion-api/pkg/config"
"github.com/devsapp/serverless-stable-diffusion-api/pkg/datastore"
"github.com/devsapp/serverless-stable-diffusion-api/pkg/log"
"github.com/devsapp/serverless-stable-diffusion-api/pkg/models"
"github.com/devsapp/serverless-stable-diffusion-api/pkg/module"
"github.com/devsapp/serverless-stable-diffusion-api/pkg/utils"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"io"
"io/ioutil"
"net"
"net/http"
"net/http/httputil"
"net/url"
"strings"
"time"
)
type AgentHandler struct {
taskStore datastore.Datastore
modelStore datastore.Datastore
configStore datastore.Datastore
httpClient *http.Client // the http client
listenTask *module.ListenDbTask
}
func NewAgentHandler(taskStore datastore.Datastore,
modelStore datastore.Datastore, configStore datastore.Datastore,
listenTask *module.ListenDbTask) *AgentHandler {
return &AgentHandler{
taskStore: taskStore,
modelStore: modelStore,
httpClient: &http.Client{},
listenTask: listenTask,
configStore: configStore,
}
}
// ExtraImages image upcaling
// (POST /extra_images)
func (a *AgentHandler) ExtraImages(c *gin.Context) {
username := c.GetHeader(userKey)
taskId := c.GetHeader(taskKey)
c.Writer.Header().Set("taskId", taskId)
log.SDLogInstance.SetTaskId(taskId)
defer log.SDLogInstance.SetTaskId("")
request := new(models.ExtraImagesJSONRequestBody)
if err := getBindResult(c, request); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf(err.Error())
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
// preprocess request ossPath image to base64
if err := preprocessRequest(request); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf(err.Error())
handleError(c, http.StatusBadRequest, err.Error())
return
}
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_INPROGRESS,
})
body, err := json.Marshal(request)
if err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf("request to json err=%s", err.Error())
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
if images, err := a.extraImages(username, taskId, config.EXTRAIMAGES, body); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Error(err.Error())
handleError(c, http.StatusInternalServerError, err.Error())
} else {
if ossUrl, err := module.OssGlobal.GetUrl(images); err != nil {
logrus.Error("get oss url error")
c.JSON(http.StatusInternalServerError, gin.H{
"message": "get oss url error",
})
} else {
c.JSON(http.StatusOK, models.SubmitTaskResponse{
TaskId: taskId,
Status: config.TASK_FINISH,
OssUrl: &ossUrl,
})
}
}
}
// Img2Img img to img predict
// (POST /img2img)
func (a *AgentHandler) Img2Img(c *gin.Context) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
username := c.GetHeader(userKey)
taskId := c.GetHeader(taskKey)
c.Writer.Header().Set("taskId", taskId)
log.SDLogInstance.SetTaskId(taskId)
defer log.SDLogInstance.SetTaskId("")
configVer := c.GetHeader(versionKey)
if username == "" || taskId == "" || configVer == "" {
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
request := new(models.Img2ImgJSONRequestBody)
if err := getBindResult(c, request); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
// preprocess request ossPath image to base64
if err := preprocessRequest(request); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
handleError(c, http.StatusBadRequest, err.Error())
return
}
// update request OverrideSettings
if request.OverrideSettings == nil {
overrideSettings := make(map[string]interface{})
request.OverrideSettings = &overrideSettings
}
if err := a.updateOverrideSettingsRequest(request.OverrideSettings, username, configVer,
request.StableDiffusionModel, request.SdVae); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
handleError(c, http.StatusInternalServerError, "please check config")
return
}
// default OverrideSettingsRestoreAfterwards = true
request.OverrideSettingsRestoreAfterwards = utils.Bool(false)
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_INPROGRESS,
})
// add cancel event task
a.listenTask.AddTask(taskId, module.CancelListen, module.CancelEvent)
// async progress
go func() {
if err := a.taskProgress(ctx, username, taskId); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf(
"update task progress error %s", err.Error())
}
}()
body, err := json.Marshal(request)
if err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln("request to json err=", err.Error())
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
// predict task
images, err := a.predictTask(username, taskId, config.IMG2IMG, body)
if err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln(err.Error())
c.JSON(http.StatusInternalServerError, models.SubmitTaskResponse{
TaskId: taskId,
Status: config.TASK_FAILED,
Message: utils.String(err.Error()),
})
return
}
if ossUrl, err := module.OssGlobal.GetUrl(images); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
logrus.Error("get oss url error")
c.JSON(http.StatusInternalServerError, gin.H{
"message": "get oss url error",
})
} else {
c.JSON(http.StatusOK, models.SubmitTaskResponse{
TaskId: taskId,
Status: config.TASK_FINISH,
OssUrl: &ossUrl,
})
}
}
// Txt2Img txt to img predict
// (POST /txt2img)
func (a *AgentHandler) Txt2Img(c *gin.Context) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
username := c.GetHeader(userKey)
taskId := c.GetHeader(taskKey)
c.Writer.Header().Set("taskId", taskId)
log.SDLogInstance.SetTaskId(taskId)
defer log.SDLogInstance.SetTaskId("")
configVer := c.GetHeader(versionKey)
if username == "" || taskId == "" || configVer == "" {
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
request := new(models.Txt2ImgJSONRequestBody)
if err := getBindResult(c, request); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
// preprocess request ossPath image to base64
if err := preprocessRequest(request); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
handleError(c, http.StatusBadRequest, err.Error())
return
}
// update request OverrideSettings
if request.OverrideSettings == nil {
overrideSettings := make(map[string]interface{})
request.OverrideSettings = &overrideSettings
}
if err := a.updateOverrideSettingsRequest(request.OverrideSettings, username, configVer,
request.StableDiffusionModel, request.SdVae); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf("update OverrideSettings err=%s", err.Error())
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
handleError(c, http.StatusInternalServerError, "please check config")
return
}
// default OverrideSettingsRestoreAfterwards = true
request.OverrideSettingsRestoreAfterwards = utils.Bool(false)
// update task status
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_INPROGRESS,
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf("put db err=%s", err.Error())
handleError(c, http.StatusInternalServerError, err.Error())
return
}
// add cancel event task
a.listenTask.AddTask(taskId, module.CancelListen, module.CancelEvent)
// async progress
go func() {
if err := a.taskProgress(ctx, username, taskId); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf(
"update task progress error %s", err.Error())
}
}()
body, err := json.Marshal(request)
if err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln("request to json err=", err.Error())
handleError(c, http.StatusBadRequest, config.BADREQUEST)
return
}
// predict task
images, err := a.predictTask(username, taskId, config.TXT2IMG, body)
if err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln(err.Error())
c.JSON(http.StatusInternalServerError, models.SubmitTaskResponse{
TaskId: taskId,
Status: config.TASK_FAILED,
Message: utils.String(err.Error()),
})
return
}
if ossUrl, err := module.OssGlobal.GetUrl(images); err != nil {
// update task status
a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskCode: int64(requestFail),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
})
logrus.Error("get oss url error")
c.JSON(http.StatusInternalServerError, gin.H{
"message": "get oss url error",
})
} else {
c.JSON(http.StatusOK, models.SubmitTaskResponse{
TaskId: taskId,
Status: config.TASK_FINISH,
OssUrl: &ossUrl,
})
}
}
func (a *AgentHandler) predictTask(user, taskId, path string, body []byte) ([]string, error) {
url := fmt.Sprintf("%s%s", config.ConfigGlobal.SdUrlPrefix, path)
req, err := http.NewRequest("POST", url, bytes.NewBuffer(body))
if err != nil {
return nil, err
}
resp, err := a.httpClient.Do(req)
if err != nil {
return nil, err
}
body, err = io.ReadAll(resp.Body)
defer resp.Body.Close()
if err != nil {
return nil, err
}
var result *models.Txt2ImgResult
if err := json.Unmarshal(body, &result); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln(err.Error())
return nil, err
}
if result == nil {
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskCode: int64(resp.StatusCode),
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskInfo: string(body),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Println(err.Error())
return nil, err
}
return nil, errors.New("predict fail")
}
if result.Parameters != nil {
result.Parameters["alwayson_scripts"] = ""
}
params, err := json.Marshal(result.Parameters)
if err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Println("json:", err.Error())
}
var images []string
var status string
var errMeg error
if resp.StatusCode == requestOk {
count := len(result.Images)
for i := 1; i <= count; i++ {
// upload image to oss
ossPath := fmt.Sprintf("images/%s/%s_%d.png", user, taskId, i)
if err := uploadImages(&ossPath, &result.Images[i-1]); err != nil {
return nil, fmt.Errorf("output image err=%s", err.Error())
}
images = append(images, ossPath)
}
status = config.TASK_FINISH
} else {
status = config.TASK_FAILED
errMeg = errors.New("predict error")
}
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskCode: int64(resp.StatusCode),
datastore.KTaskStatus: status,
datastore.KTaskImage: strings.Join(images, ","),
datastore.KTaskParams: string(params),
datastore.KTaskInfo: result.Info,
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln(err.Error())
return nil, err
}
return images, errMeg
}
func (a *AgentHandler) taskProgress(ctx context.Context, user, taskId string) error {
if config.ConfigGlobal.DisableProgress() {
return nil
}
var isStart bool
notifyDone := false
for {
select {
case <-ctx.Done():
notifyDone = true
default:
// Do nothing, go to the next
}
progressUrl := fmt.Sprintf("%s%s", config.ConfigGlobal.SdUrlPrefix, config.PROGRESS)
req, _ := http.NewRequest("GET", progressUrl, nil)
resp, err := a.httpClient.Do(req)
if err != nil {
return err
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
resp.Body.Close()
var result models.ProgressResult
if err := json.Unmarshal(body, &result); err != nil {
return err
}
// Get progress judge task done
if isStart && result.Progress <= 0 {
return nil
}
if result.Progress > 0 {
// output to oss
if result.CurrentImage != "" && config.ConfigGlobal.EnableProgressImg() {
ossPath := fmt.Sprintf("images/%s/%s_progress.png", user, taskId)
if err := uploadImages(&ossPath, &result.CurrentImage); err != nil {
return fmt.Errorf("output image err=%s", err.Error())
}
result.CurrentImage = ossPath
} else {
result.CurrentImage = ""
}
// write to db, struct to json str
if resultStr, err := json.Marshal(result); err == nil {
// modify key: current_image=>currentImage, eta_relative=>etaRelative
resultByte := strings.Replace(string(resultStr), "current_image", "currentImage", 1)
resultByte = strings.Replace(string(resultByte), "eta_relative", "etaRelative", 1)
// Update the task progress to DB.
if err = a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskProgressColumnName: string(resultByte),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln("err:", err.Error())
}
}
isStart = true
}
// notifyDone means the update-progress is notified by other goroutine to finish,
// either because the task has been aborted or succeed.
if notifyDone {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Infof(
"the task %s is done, either success or failed", taskId)
return nil
}
time.Sleep(config.PROGRESS_INTERVAL * time.Millisecond)
}
}
func (a *AgentHandler) extraImages(user, taskId, path string, body []byte) ([]string, error) {
url := fmt.Sprintf("%s%s", config.ConfigGlobal.SdUrlPrefix, path)
req, err := http.NewRequest("POST", url, bytes.NewBuffer(body))
if err != nil {
return nil, err
}
resp, err := a.httpClient.Do(req)
if err != nil {
return nil, err
}
body, err = io.ReadAll(resp.Body)
defer resp.Body.Close()
if err != nil {
return nil, err
}
var result *models.ExtraImageResult
if err := json.Unmarshal(body, &result); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorln(err.Error())
return nil, err
}
if result == nil || resp.StatusCode != requestOk {
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskCode: int64(resp.StatusCode),
datastore.KTaskStatus: config.TASK_FAILED,
datastore.KTaskInfo: string(body),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Info(err.Error())
return nil, err
}
return nil, errors.New("predict fail")
}
var images []string
if resp.StatusCode == requestOk {
// upload image to oss
ossPath := fmt.Sprintf("images/%s/%s_%d.png", user, taskId, 1)
if err := uploadImages(&ossPath, &result.Image); err != nil {
return nil, fmt.Errorf("output image err=%s", err.Error())
}
images = append(images, ossPath)
}
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskCode: int64(resp.StatusCode),
datastore.KTaskStatus: config.TASK_FINISH,
datastore.KTaskImage: strings.Join(images, ","),
datastore.KTaskParams: "{}",
datastore.KTaskInfo: fmt.Sprintf("{\"html_info\":\"%s\"}", result.HTMLInfo),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Error(err.Error())
return nil, err
}
return images, nil
}
func (a *AgentHandler) updateOverrideSettingsRequest(overrideSettings *map[string]interface{},
username, configVersion, sdModel string, sdVae *string) error {
//if config.ConfigGlobal.GetFlexMode() == config.MultiFunc {
// // remove sd_model_checkpoint and sd_vae
// delete(*overrideSettings, "sd_model_checkpoint")
// (*overrideSettings)["sd_vae"] = sdVae
//} else {
(*overrideSettings)["sd_model_checkpoint"] = sdModel
if sdVae != nil {
(*overrideSettings)["sd_vae"] = sdVae
} else {
(*overrideSettings)["sd_vae"] = "None"
}
//}
// version == -1 use default
if configVersion == "-1" {
return nil
}
// read config from db
key := fmt.Sprintf("%s_%s", username, configVersion)
data, err := a.configStore.Get(key, []string{datastore.KConfigVal})
if err != nil {
return err
}
// no user config, user default
if data == nil || len(data) == 0 {
return nil
}
val := data[datastore.KConfigVal].(string)
var m map[string]interface{}
if err := json.Unmarshal([]byte(val), &m); err != nil {
return nil
}
// priority request > db
for k, v := range m {
if _, ok := (*overrideSettings)[k]; !ok {
(*overrideSettings)[k] = v
}
}
return nil
}
// deal ossImg to base64
func preprocessRequest(req any) error {
switch req.(type) {
case *models.ExtraImagesJSONRequestBody:
request := req.(*models.ExtraImagesJSONRequestBody)
if request.Image != "" {
if isImgPath(request.Image) {
base64, err := module.OssGlobal.DownloadFileToBase64(request.Image)
if err != nil {
return err
}
request.Image = *base64
}
}
case *models.Txt2ImgJSONRequestBody:
request := req.(*models.Txt2ImgJSONRequestBody)
if request.AlwaysonScripts != nil {
return updateControlNet(request.AlwaysonScripts)
}
case *models.Img2ImgJSONRequestBody:
request := req.(*models.Img2ImgJSONRequestBody)
// init images: ossPath to base64Str
for i, str := range *request.InitImages {
if !isImgPath(str) {
continue
}
base64, err := module.OssGlobal.DownloadFileToBase64(str)
if err != nil {
return err
}
(*request.InitImages)[i] = *base64
}
// mask images: ossPath to base64St
if request.Mask != nil && isImgPath(*request.Mask) {
base64, err := module.OssGlobal.DownloadFileToBase64(*request.Mask)
if err != nil {
return err
}
*request.Mask = *base64
}
// controlNet images: ossPath to base64Str
if request.AlwaysonScripts != nil {
return updateControlNet(request.AlwaysonScripts)
}
}
return nil
}
func updateControlNet(alwaysonScripts *map[string]interface{}) error {
*alwaysonScripts = parseMap(*alwaysonScripts, "", "", nil)
//controlNet, ok := (*alwaysonScripts)["controlnet"]
//if !ok {
// return nil
//}
//args, ok := controlNet.(map[string]interface{})["args"]
//if !ok {
// return nil
//}
//for i, item := range args.([]interface{}) {
// if val, ok := item.(map[string]interface{})["image"]; ok && val != nil {
// inputImage := val.(string)
// if !isImgPath(inputImage) {
// continue
// }
// // oss image to base64
// if base64Str, err := module.OssGlobal.DownloadFileToBase64(inputImage); err == nil {
// args.([]interface{})[i].(map[string]interface{})["image"] = *base64Str
// } else {
// return err
// }
// }
// if val, ok := item.(map[string]interface{})["mask"]; ok && val != nil {
// inputImage := val.(string)
// if !isImgPath(inputImage) {
// continue
// }
// // oss image to base64
// if base64Str, err := module.OssGlobal.DownloadFileToBase64(inputImage); err == nil {
// args.([]interface{})[i].(map[string]interface{})["mask"] = *base64Str
// } else {
// return err
// }
// }
//}
//(*alwaysonScripts)["controlnet"] = map[string]interface{}{"args": args}
return nil
}
// ListModels list model, not support
// (GET /models)
func (a *AgentHandler) ListModels(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// RegisterModel register model, not support
// (POST /models)
func (a *AgentHandler) RegisterModel(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// DeleteModel delete model, not support
// (DELETE /models/{model_name})
func (a *AgentHandler) DeleteModel(c *gin.Context, modelName string) {
c.String(http.StatusNotFound, "api not support")
}
// GetModel get model info, not support
// (GET /models/{model_name})
func (a *AgentHandler) GetModel(c *gin.Context, modelName string) {
c.String(http.StatusNotFound, "api not support")
}
// UpdateModel update model, not support
// (PUT /models/{model_name})
func (a *AgentHandler) UpdateModel(c *gin.Context, modelName string) {
c.String(http.StatusNotFound, "api not support")
}
// CancelTask cancel predict task, not support
// (GET /tasks/{taskId}/cancellation)
func (a *AgentHandler) CancelTask(c *gin.Context, taskId string) {
c.String(http.StatusNotFound, "api not support")
}
// GetTaskProgress get predict progress, not support
// (GET /tasks/{taskId}/progress)
func (a *AgentHandler) GetTaskProgress(c *gin.Context, taskId string) {
c.String(http.StatusNotFound, "api not support")
}
// GetTaskResult get predict result, not support
// (GET /tasks/{taskId}/result)
func (a *AgentHandler) GetTaskResult(c *gin.Context, taskId string) {
c.String(http.StatusNotFound, "api not support")
}
// UpdateOptions update config options
// (POST /options)
func (a *AgentHandler) UpdateOptions(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// Login user login
// (POST /login)
func (a *AgentHandler) Login(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// Restart user login
// (POST /restart)
func (a *AgentHandler) Restart(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// BatchUpdateResource update sd function resource by batch, Supports a specified list of functions, or all
// (POST /batch_update_sd_resource)
func (a *AgentHandler) BatchUpdateResource(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// ListSdFunc get sdapi function
// (GET /list/sdapi/functions)
func (a *AgentHandler) ListSdFunc(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
// DelSDFunc delete sd function
// (POST /del/sd/functions)
func (p *AgentHandler) DelSDFunc(c *gin.Context) {
c.String(http.StatusNotFound, "api not support")
}
func ReverseProxy(c *gin.Context) {
target := config.ConfigGlobal.SdUrlPrefix
remote, err := url.Parse(target)
if err != nil {
panic(err)
}
requestId := c.GetHeader(config.FcRequestID)
//requestId := utils.RandStr(10)
log.SDLogInstance.AddRequestId(requestId)
defer log.SDLogInstance.DelRequestId(requestId)
proxy := httputil.NewSingleHostReverseProxy(remote)
originalDirector := proxy.Director
proxy.Director = func(req *http.Request) {
req.Header = c.Request.Header
req.Host = remote.Host
req.URL.Scheme = remote.Scheme
req.URL.Host = remote.Host
//if strings.HasPrefix(req.URL.Path, "/internal/ping") {
// time.Sleep(500 * time.Millisecond)
//}
originalDirector(req)
}
proxy.ErrorHandler = func(resp http.ResponseWriter, req *http.Request, e error) {
if err, ok := e.(*net.OpError); ok && err.Op == "dial" {
// catch "connection refused"
module.SDManageObj.WaitSDRestartFinish()
resp.WriteHeader(http.StatusServiceUnavailable)
}
}
proxy.ModifyResponse = func(resp *http.Response) error {
resp.Header.Del("Access-Control-Allow-Origin")
resp.Header.Del("Access-Control-Expose-Headers")
resp.Header.Del("Access-Control-Max-Age")
resp.Header.Del("Access-Control-Allow-Credentials")
resp.Header.Del("Access-Control-Allow-Methods")
resp.Header.Del("Access-Control-Allow-Headers")
return nil
}
proxy.ServeHTTP(c.Writer, c.Request)
}
func (a *AgentHandler) NoRouterAgentHandler(c *gin.Context) {
username := c.GetHeader(userKey)
// taskId
taskId := c.GetHeader(taskKey)
c.Writer.Header().Set("taskId", taskId)
if taskId != "" {
// update task status
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskStatus: config.TASK_INPROGRESS,
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Errorf("put db err=%s", err.Error())
handleError(c, http.StatusInternalServerError, err.Error())
return
}
}
body, err := io.ReadAll(c.Request.Body)
defer c.Request.Body.Close()
if err != nil {
handleError(c, http.StatusBadRequest, err.Error())
return
}
if c.Request.Method != http.MethodGet && c.Request.Method != http.MethodDelete {
body, err = convertImgToBase64(body)
if err != nil {
handleError(c, http.StatusBadRequest, err.Error())
return
}
}
req, err := http.NewRequest(c.Request.Method,
fmt.Sprintf("%s%s", config.ConfigGlobal.SdUrlPrefix,
c.Request.URL.String()), bytes.NewBuffer(body))
if err != nil {
c.String(http.StatusInternalServerError, err.Error())
return
}
req.Header = c.Request.Header
req.Header.Set("Accept-Encoding", "identity")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
c.String(http.StatusInternalServerError, err.Error())
return
}
defer resp.Body.Close()
body, err = ioutil.ReadAll(resp.Body)
if err != nil {
c.String(http.StatusInternalServerError, err.Error())
return
}
respBody, err := convertBase64ToImg(body, taskId, username)
if err != nil {
c.String(http.StatusInternalServerError, err.Error())
return
}
if taskId != "" {
if err := a.taskStore.Update(taskId, map[string]interface{}{
datastore.KTaskCode: int64(resp.StatusCode),
datastore.KTaskStatus: config.TASK_FINISH,
datastore.KTaskImage: "",
datastore.KTaskParams: "{}",
datastore.KTaskInfo: string(respBody),
datastore.KTaskModifyTime: fmt.Sprintf("%d", utils.TimestampS()),
}); err != nil {
logrus.WithFields(logrus.Fields{"taskId": taskId}).Error(err.Error())
c.String(http.StatusInternalServerError, err.Error())
}
}
c.Data(resp.StatusCode, resp.Header.Get("Content-Type"), respBody)
}
// InitializeHandler init handler
// (POST /initialize)
func InitializeHandler(c *gin.Context) {
if module.PredictProbe() {
c.JSON(200, "initialize success")
} else {
c.JSON(500, "initialize failed")
}
}