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feat: add external grpc and model autoloading

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This commit is contained in:
Ettore Di Giacinto 2023-07-20 22:10:12 +02:00
parent 1d2ae46ddc
commit 94916749c5
15 changed files with 429 additions and 192 deletions
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4
api/backend/embeddings.go
View file

@ -30,6 +30,10 @@ func ModelEmbedding(s string, tokens []int, loader *model.ModelLoader, c config.
model.WithContext(o.Context),
}
for k, v := range o.ExternalGRPCBackends {
opts = append(opts, model.WithExternalBackend(k, v))
}
if c.Backend == "" {
inferenceModel, err = loader.GreedyLoader(opts...)
} else {

10
api/backend/image.go
View file

@ -15,12 +15,20 @@ func ImageGeneration(height, width, mode, step, seed int, positive_prompt, negat
return nil, fmt.Errorf("endpoint only working with stablediffusion models")
}
inferenceModel, err := loader.BackendLoader(
opts := []model.Option{
model.WithBackendString(c.Backend),
model.WithAssetDir(o.AssetsDestination),
model.WithThreads(uint32(c.Threads)),
model.WithContext(o.Context),
model.WithModelFile(c.ImageGenerationAssets),
}
for k, v := range o.ExternalGRPCBackends {
opts = append(opts, model.WithExternalBackend(k, v))
}
inferenceModel, err := loader.BackendLoader(
opts...,
)
if err != nil {
return nil, err

25
api/backend/llm.go
View file

@ -1,14 +1,17 @@
package backend
import (
"os"
"regexp"
"strings"
"sync"
config "github.com/go-skynet/LocalAI/api/config"
"github.com/go-skynet/LocalAI/api/options"
"github.com/go-skynet/LocalAI/pkg/gallery"
"github.com/go-skynet/LocalAI/pkg/grpc"
model "github.com/go-skynet/LocalAI/pkg/model"
"github.com/go-skynet/LocalAI/pkg/utils"
)
func ModelInference(s string, loader *model.ModelLoader, c config.Config, o *options.Option, tokenCallback func(string) bool) (func() (string, error), error) {
@ -27,12 +30,32 @@ func ModelInference(s string, loader *model.ModelLoader, c config.Config, o *opt
model.WithContext(o.Context),
}
for k, v := range o.ExternalGRPCBackends {
opts = append(opts, model.WithExternalBackend(k, v))
}
if c.Backend != "" {
opts = append(opts, model.WithBackendString(c.Backend))
}
// Check if the modelFile exists, if it doesn't try to load it from the gallery
if o.AutoloadGalleries { // experimental
if _, err := os.Stat(modelFile); os.IsNotExist(err) {
utils.ResetDownloadTimers()
// if we failed to load the model, we try to download it
err := gallery.InstallModelFromGalleryByName(o.Galleries, modelFile, loader.ModelPath, gallery.GalleryModel{}, utils.DisplayDownloadFunction)
if err != nil {
return nil, err
}
}
}
if c.Backend == "" {
inferenceModel, err = loader.GreedyLoader(opts...)
} else {
opts = append(opts, model.WithBackendString(c.Backend))
inferenceModel, err = loader.BackendLoader(opts...)
}
if err != nil {
return nil, err
}

42
api/backend/transcript.go Normal file
View file

@ -0,0 +1,42 @@
package backend
import (
"context"
"fmt"
config "github.com/go-skynet/LocalAI/api/config"
"github.com/go-skynet/LocalAI/api/options"
"github.com/go-skynet/LocalAI/pkg/grpc/proto"
"github.com/go-skynet/LocalAI/pkg/grpc/whisper/api"
model "github.com/go-skynet/LocalAI/pkg/model"
)
func ModelTranscription(audio, language string, loader *model.ModelLoader, c config.Config, o *options.Option) (*api.Result, error) {
opts := []model.Option{
model.WithBackendString(model.WhisperBackend),
model.WithModelFile(c.Model),
model.WithContext(o.Context),
model.WithThreads(uint32(c.Threads)),
model.WithAssetDir(o.AssetsDestination),
}
for k, v := range o.ExternalGRPCBackends {
opts = append(opts, model.WithExternalBackend(k, v))
}
whisperModel, err := o.Loader.BackendLoader(opts...)
if err != nil {
return nil, err
}
if whisperModel == nil {
return nil, fmt.Errorf("could not load whisper model")
}
return whisperModel.AudioTranscription(context.Background(), &proto.TranscriptRequest{
Dst: audio,
Language: language,
Threads: uint32(c.Threads),
})
}

72
api/backend/tts.go Normal file
View file

@ -0,0 +1,72 @@
package backend
import (
"context"
"fmt"
"os"
"path/filepath"
"github.com/go-skynet/LocalAI/api/options"
"github.com/go-skynet/LocalAI/pkg/grpc/proto"
model "github.com/go-skynet/LocalAI/pkg/model"
"github.com/go-skynet/LocalAI/pkg/utils"
)
func generateUniqueFileName(dir, baseName, ext string) string {
counter := 1
fileName := baseName + ext
for {
filePath := filepath.Join(dir, fileName)
_, err := os.Stat(filePath)
if os.IsNotExist(err) {
return fileName
}
counter++
fileName = fmt.Sprintf("%s_%d%s", baseName, counter, ext)
}
}
func ModelTTS(text, modelFile string, loader *model.ModelLoader, o *options.Option) (string, *proto.Result, error) {
opts := []model.Option{
model.WithBackendString(model.PiperBackend),
model.WithModelFile(modelFile),
model.WithContext(o.Context),
model.WithAssetDir(o.AssetsDestination),
}
for k, v := range o.ExternalGRPCBackends {
opts = append(opts, model.WithExternalBackend(k, v))
}
piperModel, err := o.Loader.BackendLoader(opts...)
if err != nil {
return "", nil, err
}
if piperModel == nil {
return "", nil, fmt.Errorf("could not load piper model")
}
if err := os.MkdirAll(o.AudioDir, 0755); err != nil {
return "", nil, fmt.Errorf("failed creating audio directory: %s", err)
}
fileName := generateUniqueFileName(o.AudioDir, "piper", ".wav")
filePath := filepath.Join(o.AudioDir, fileName)
modelPath := filepath.Join(o.Loader.ModelPath, modelFile)
if err := utils.VerifyPath(modelPath, o.Loader.ModelPath); err != nil {
return "", nil, err
}
res, err := piperModel.TTS(context.Background(), &proto.TTSRequest{
Text: text,
Model: modelPath,
Dst: filePath,
})
return filePath, res, err
}

44
api/localai/gallery.go
View file

@ -4,13 +4,15 @@ import (
"context"
"fmt"
"os"
"strings"
"sync"
"time"
json "github.com/json-iterator/go"
config "github.com/go-skynet/LocalAI/api/config"
"github.com/go-skynet/LocalAI/pkg/gallery"
"github.com/go-skynet/LocalAI/pkg/utils"
"github.com/gofiber/fiber/v2"
"github.com/google/uuid"
"github.com/rs/zerolog/log"
@ -80,6 +82,8 @@ func (g *galleryApplier) Start(c context.Context, cm *config.ConfigLoader) {
case <-c.Done():
return
case op := <-g.C:
utils.ResetDownloadTimers()
g.updateStatus(op.id, &galleryOpStatus{Message: "processing", Progress: 0})
// updates the status with an error
@ -90,13 +94,17 @@ func (g *galleryApplier) Start(c context.Context, cm *config.ConfigLoader) {
// displayDownload displays the download progress
progressCallback := func(fileName string, current string, total string, percentage float64) {
g.updateStatus(op.id, &galleryOpStatus{Message: "processing", Progress: percentage, TotalFileSize: total, DownloadedFileSize: current})
displayDownload(fileName, current, total, percentage)
utils.DisplayDownloadFunction(fileName, current, total, percentage)
}
var err error
// if the request contains a gallery name, we apply the gallery from the gallery list
if op.galleryName != "" {
err = gallery.InstallModelFromGallery(op.galleries, op.galleryName, g.modelPath, op.req, progressCallback)
if strings.Contains(op.galleryName, "@") {
err = gallery.InstallModelFromGallery(op.galleries, op.galleryName, g.modelPath, op.req, progressCallback)
} else {
err = gallery.InstallModelFromGalleryByName(op.galleries, op.galleryName, g.modelPath, op.req, progressCallback)
}
} else {
err = prepareModel(g.modelPath, op.req, cm, progressCallback)
}
@ -119,31 +127,6 @@ func (g *galleryApplier) Start(c context.Context, cm *config.ConfigLoader) {
}()
}
var lastProgress time.Time = time.Now()
var startTime time.Time = time.Now()
func displayDownload(fileName string, current string, total string, percentage float64) {
currentTime := time.Now()
if currentTime.Sub(lastProgress) >= 5*time.Second {
lastProgress = currentTime
// calculate ETA based on percentage and elapsed time
var eta time.Duration
if percentage > 0 {
elapsed := currentTime.Sub(startTime)
eta = time.Duration(float64(elapsed)*(100/percentage) - float64(elapsed))
}
if total != "" {
log.Debug().Msgf("Downloading %s: %s/%s (%.2f%%) ETA: %s", fileName, current, total, percentage, eta)
} else {
log.Debug().Msgf("Downloading: %s", current)
}
}
}
type galleryModel struct {
gallery.GalleryModel
ID string `json:"id"`
@ -165,10 +148,11 @@ func ApplyGalleryFromString(modelPath, s string, cm *config.ConfigLoader, galler
}
for _, r := range requests {
utils.ResetDownloadTimers()
if r.ID == "" {
err = prepareModel(modelPath, r.GalleryModel, cm, displayDownload)
err = prepareModel(modelPath, r.GalleryModel, cm, utils.DisplayDownloadFunction)
} else {
err = gallery.InstallModelFromGallery(galleries, r.ID, modelPath, r.GalleryModel, displayDownload)
err = gallery.InstallModelFromGallery(galleries, r.ID, modelPath, r.GalleryModel, utils.DisplayDownloadFunction)
}
}

57
api/localai/localai.go
View file

@ -1,17 +1,10 @@
package localai
import (
"context"
"fmt"
"os"
"path/filepath"
"github.com/go-skynet/LocalAI/api/backend"
config "github.com/go-skynet/LocalAI/api/config"
"github.com/go-skynet/LocalAI/api/options"
"github.com/go-skynet/LocalAI/pkg/grpc/proto"
model "github.com/go-skynet/LocalAI/pkg/model"
"github.com/go-skynet/LocalAI/pkg/utils"
"github.com/gofiber/fiber/v2"
)
@ -20,22 +13,6 @@ type TTSRequest struct {
Input string `json:"input" yaml:"input"`
}
func generateUniqueFileName(dir, baseName, ext string) string {
counter := 1
fileName := baseName + ext
for {
filePath := filepath.Join(dir, fileName)
_, err := os.Stat(filePath)
if os.IsNotExist(err) {
return fileName
}
counter++
fileName = fmt.Sprintf("%s_%d%s", baseName, counter, ext)
}
}
func TTSEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
@ -45,40 +22,10 @@ func TTSEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx)
return err
}
piperModel, err := o.Loader.BackendLoader(
model.WithBackendString(model.PiperBackend),
model.WithModelFile(input.Model),
model.WithContext(o.Context),
model.WithAssetDir(o.AssetsDestination))
filePath, _, err := backend.ModelTTS(input.Input, input.Model, o.Loader, o)
if err != nil {
return err
}
if piperModel == nil {
return fmt.Errorf("could not load piper model")
}
if err := os.MkdirAll(o.AudioDir, 0755); err != nil {
return fmt.Errorf("failed creating audio directory: %s", err)
}
fileName := generateUniqueFileName(o.AudioDir, "piper", ".wav")
filePath := filepath.Join(o.AudioDir, fileName)
modelPath := filepath.Join(o.Loader.ModelPath, input.Model)
if err := utils.VerifyPath(modelPath, o.Loader.ModelPath); err != nil {
return err
}
if _, err := piperModel.TTS(context.Background(), &proto.TTSRequest{
Text: input.Input,
Model: modelPath,
Dst: filePath,
}); err != nil {
return err
}
return c.Download(filePath)
}
}

24
api/openai/transcription.go
View file

@ -1,7 +1,6 @@
package openai
import (
"context"
"fmt"
"io"
"net/http"
@ -9,10 +8,9 @@ import (
"path"
"path/filepath"
"github.com/go-skynet/LocalAI/api/backend"
config "github.com/go-skynet/LocalAI/api/config"
"github.com/go-skynet/LocalAI/api/options"
"github.com/go-skynet/LocalAI/pkg/grpc/proto"
model "github.com/go-skynet/LocalAI/pkg/model"
"github.com/gofiber/fiber/v2"
"github.com/rs/zerolog/log"
@ -61,25 +59,7 @@ func TranscriptEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fibe
log.Debug().Msgf("Audio file copied to: %+v", dst)
whisperModel, err := o.Loader.BackendLoader(
model.WithBackendString(model.WhisperBackend),
model.WithModelFile(config.Model),
model.WithContext(o.Context),
model.WithThreads(uint32(config.Threads)),
model.WithAssetDir(o.AssetsDestination))
if err != nil {
return err
}
if whisperModel == nil {
return fmt.Errorf("could not load whisper model")
}
tr, err := whisperModel.AudioTranscription(context.Background(), &proto.TranscriptRequest{
Dst: dst,
Language: input.Language,
Threads: uint32(config.Threads),
})
tr, err := backend.ModelTranscription(dst, input.Language, o.Loader, *config, o)
if err != nil {
return err
}

17
api/options/options.go
View file

@ -28,6 +28,10 @@ type Option struct {
BackendAssets embed.FS
AssetsDestination string
ExternalGRPCBackends map[string]string
AutoloadGalleries bool
}
type AppOption func(*Option)
@ -53,6 +57,19 @@ func WithCors(b bool) AppOption {
}
}
var EnableGalleriesAutoload = func(o *Option) {
o.AutoloadGalleries = true
}
func WithExternalBackend(name string, uri string) AppOption {
return func(o *Option) {
if o.ExternalGRPCBackends == nil {
o.ExternalGRPCBackends = make(map[string]string)
}
o.ExternalGRPCBackends[name] = uri
}
}
func WithCorsAllowOrigins(b string) AppOption {
return func(o *Option) {
o.CORSAllowOrigins = b