mirror of https://github.com/mudler/LocalAI.git
101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
package startup
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import (
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"encoding/json"
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"fmt"
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"os"
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"path"
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"github.com/fsnotify/fsnotify"
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"github.com/go-skynet/LocalAI/core/config"
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"github.com/imdario/mergo"
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"github.com/rs/zerolog/log"
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)
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type WatchConfigDirectoryCloser func() error
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func ReadApiKeysJson(configDir string, appConfig *config.ApplicationConfig) error {
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fileContent, err := os.ReadFile(path.Join(configDir, "api_keys.json"))
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if err == nil {
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// Parse JSON content from the file
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var fileKeys []string
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err := json.Unmarshal(fileContent, &fileKeys)
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if err == nil {
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appConfig.ApiKeys = append(appConfig.ApiKeys, fileKeys...)
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return nil
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}
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return err
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}
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return err
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}
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func ReadExternalBackendsJson(configDir string, appConfig *config.ApplicationConfig) error {
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fileContent, err := os.ReadFile(path.Join(configDir, "external_backends.json"))
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if err != nil {
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return err
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}
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// Parse JSON content from the file
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var fileBackends map[string]string
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err = json.Unmarshal(fileContent, &fileBackends)
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if err != nil {
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return err
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}
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err = mergo.Merge(&appConfig.ExternalGRPCBackends, fileBackends)
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if err != nil {
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return err
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}
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return nil
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}
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var CONFIG_FILE_UPDATES = map[string]func(configDir string, appConfig *config.ApplicationConfig) error{
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"api_keys.json": ReadApiKeysJson,
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"external_backends.json": ReadExternalBackendsJson,
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}
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func WatchConfigDirectory(configDir string, appConfig *config.ApplicationConfig) (WatchConfigDirectoryCloser, error) {
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if len(configDir) == 0 {
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return nil, fmt.Errorf("configDir blank")
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}
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configWatcher, err := fsnotify.NewWatcher()
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if err != nil {
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log.Fatal().Msgf("Unable to create a watcher for the LocalAI Configuration Directory: %+v", err)
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}
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ret := func() error {
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configWatcher.Close()
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return nil
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}
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// Start listening for events.
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go func() {
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for {
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select {
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case event, ok := <-configWatcher.Events:
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if !ok {
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return
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}
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if event.Has(fsnotify.Write) {
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for targetName, watchFn := range CONFIG_FILE_UPDATES {
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if event.Name == targetName {
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err := watchFn(configDir, appConfig)
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log.Warn().Msgf("WatchConfigDirectory goroutine for %s: failed to update options: %+v", targetName, err)
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}
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}
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}
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case _, ok := <-configWatcher.Errors:
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if !ok {
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return
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}
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log.Error().Msgf("WatchConfigDirectory goroutine error: %+v", err)
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}
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}
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}()
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// Add a path.
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err = configWatcher.Add(configDir)
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if err != nil {
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return ret, fmt.Errorf("unable to establish watch on the LocalAI Configuration Directory: %+v", err)
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}
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return ret, nil
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}
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