Files
LocalAI/core/cli/backends.go
Ettore Di Giacinto ec206cc67c feat(cli): allow to install backends from OCI tar files (#5816)
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
2025-07-09 18:19:51 +02:00

106 lines
3.1 KiB
Go

package cli
import (
"encoding/json"
"fmt"
cliContext "github.com/mudler/LocalAI/core/cli/context"
"github.com/mudler/LocalAI/core/config"
"github.com/mudler/LocalAI/core/gallery"
"github.com/mudler/LocalAI/pkg/startup"
"github.com/rs/zerolog/log"
"github.com/schollz/progressbar/v3"
)
type BackendsCMDFlags struct {
BackendGalleries string `env:"LOCALAI_BACKEND_GALLERIES,BACKEND_GALLERIES" help:"JSON list of backend galleries" group:"backends" default:"${backends}"`
BackendsPath string `env:"LOCALAI_BACKENDS_PATH,BACKENDS_PATH" type:"path" default:"${basepath}/backends" help:"Path containing backends used for inferencing" group:"storage"`
}
type BackendsList struct {
BackendsCMDFlags `embed:""`
}
type BackendsInstall struct {
BackendArgs []string `arg:"" optional:"" name:"backends" help:"Backend configuration URLs to load"`
BackendsCMDFlags `embed:""`
}
type BackendsUninstall struct {
BackendArgs []string `arg:"" name:"backends" help:"Backend names to uninstall"`
BackendsCMDFlags `embed:""`
}
type BackendsCMD struct {
List BackendsList `cmd:"" help:"List the backends available in your galleries" default:"withargs"`
Install BackendsInstall `cmd:"" help:"Install a backend from the gallery"`
Uninstall BackendsUninstall `cmd:"" help:"Uninstall a backend"`
}
func (bl *BackendsList) Run(ctx *cliContext.Context) error {
var galleries []config.Gallery
if err := json.Unmarshal([]byte(bl.BackendGalleries), &galleries); err != nil {
log.Error().Err(err).Msg("unable to load galleries")
}
backends, err := gallery.AvailableBackends(galleries, bl.BackendsPath)
if err != nil {
return err
}
for _, backend := range backends {
if backend.Installed {
fmt.Printf(" * %s@%s (installed)\n", backend.Gallery.Name, backend.Name)
} else {
fmt.Printf(" - %s@%s\n", backend.Gallery.Name, backend.Name)
}
}
return nil
}
func (bi *BackendsInstall) Run(ctx *cliContext.Context) error {
var galleries []config.Gallery
if err := json.Unmarshal([]byte(bi.BackendGalleries), &galleries); err != nil {
log.Error().Err(err).Msg("unable to load galleries")
}
for _, backendName := range bi.BackendArgs {
progressBar := progressbar.NewOptions(
1000,
progressbar.OptionSetDescription(fmt.Sprintf("downloading backend %s", backendName)),
progressbar.OptionShowBytes(false),
progressbar.OptionClearOnFinish(),
)
progressCallback := func(fileName string, current string, total string, percentage float64) {
v := int(percentage * 10)
err := progressBar.Set(v)
if err != nil {
log.Error().Err(err).Str("filename", fileName).Int("value", v).Msg("error while updating progress bar")
}
}
err := startup.InstallExternalBackends(galleries, bi.BackendsPath, progressCallback, backendName)
if err != nil {
return err
}
}
return nil
}
func (bu *BackendsUninstall) Run(ctx *cliContext.Context) error {
for _, backendName := range bu.BackendArgs {
log.Info().Str("backend", backendName).Msg("uninstalling backend")
err := gallery.DeleteBackendFromSystem(bu.BackendsPath, backendName)
if err != nil {
return err
}
fmt.Printf("Backend %s uninstalled successfully\n", backendName)
}
return nil
}