Add AI Plugins

.golangci.yml

@@ -204,6 +204,7 @@ issues:
         - funlen
         - forbidigo
         - gochecknoinits
+        - dupl
     - path: ".generated.go"
       linters:
         - typecheck

cmd/handler/broker.go

@@ -12,6 +12,12 @@ var broker = &cobra.Command{
 	Use:   "broker",
 	Short: "Run the Unchained client in broker mode",
 	Long:  `Run the Unchained client in broker mode`,
+
+	PreRun: func(cmd *cobra.Command, _ []string) {
+		config.App.Network.CertFile = cmd.Flags().Lookup("cert-file").Value.String()
+		config.App.Network.KeyFile = cmd.Flags().Lookup("key-file").Value.String()
+	},
+
 	Run: func(_ *cobra.Command, _ []string) {
 		err := config.Load(config.App.System.ConfigPath, config.App.System.SecretsPath)
 		if err != nil {
@@ -30,9 +36,16 @@ func WithBrokerCmd(cmd *cobra.Command) {
 
 func init() {
 	broker.Flags().StringP(
-		"broker",
-		"b",
-		"wss://shinobi.brokers.kenshi.io",
-		"Unchained broker to connect to",
+		"cert-file",
+		"C",
+		"",
+		"TLS certificate file",
+	)
+
+	broker.Flags().StringP(
+		"key-file",
+		"k",
+		"",
+		"TLS key file",
 	)
 }

cmd/handler/plugin.go

@@ -0,0 +1,50 @@
+package handler
+
+import (
+	"os"
+
+	"github.com/TimeleapLabs/unchained/cmd/handler/plugins"
+	"github.com/gorilla/websocket"
+	"github.com/spf13/cobra"
+)
+
+var conn *websocket.Conn
+
+func Read() <-chan []byte {
+	out := make(chan []byte)
+
+	go func() {
+		for {
+			_, payload, err := conn.ReadMessage()
+			if err != nil {
+				panic(err)
+			}
+
+			out <- payload
+		}
+	}()
+
+	return out
+}
+
+// plugin represents the plugin command.
+var plugin = &cobra.Command{
+	Use:   "plugin",
+	Short: "Run an Unchained plugin locally",
+	Long:  `Run an Unchained plugin locally`,
+
+	Run: func(cmd *cobra.Command, _ []string) {
+		os.Exit(1)
+	},
+}
+
+// WithPluginCmd appends the plugin command to the root command.
+func WithPluginCmd(cmd *cobra.Command) {
+	cmd.AddCommand(plugin)
+}
+
+func init() {
+	plugins.WithAIPluginCmd(plugin)
+	plugins.WithTextToImagePluginCmd(plugin)
+	plugins.WithTranslatePluginCmd(plugin)
+}

cmd/handler/plugins/ai.go

@@ -0,0 +1,41 @@
+package plugins
+
+import (
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+
+	"github.com/TimeleapLabs/unchained/internal/service/ai"
+	"github.com/spf13/cobra"
+)
+
+// worker represents the worker command.
+var aiPlugin = &cobra.Command{
+	Use:   "ai",
+	Short: "Start the Unchained ai server for local invocation",
+	Long:  `Start the Unchained ai server for local invocation`,
+
+	Run: func(cmd *cobra.Command, _ []string) {
+		wg, cancel := ai.StartServer(cmd.Context())
+
+		// Set up signal handling
+		sigChan := make(chan os.Signal, 1)
+		signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
+
+		go func() {
+			sig := <-sigChan
+			log.Printf("Received signal: %v. Shutting down gracefully...", sig)
+			cancel() // Cancel the context to stop all managed processes
+		}()
+
+		// Wait for all processes to finish
+		wg.Wait()
+		log.Println("All processes have been stopped.")
+	},
+}
+
+// WithRunCmd appends the run command to the root command.
+func WithAIPluginCmd(cmd *cobra.Command) {
+	cmd.AddCommand(aiPlugin)
+}

cmd/handler/plugins/common.go

@@ -0,0 +1,41 @@
+package plugins
+
+import "github.com/gorilla/websocket"
+
+var conn *websocket.Conn
+var closed = false
+
+func Read() <-chan []byte {
+	out := make(chan []byte)
+
+	go func() {
+		for {
+			_, payload, err := conn.ReadMessage()
+			if err != nil {
+				if !closed {
+					panic(err)
+				}
+			}
+
+			out <- payload
+		}
+	}()
+
+	return out
+}
+
+func CloseSocket() {
+	if conn != nil {
+		closed = true
+		err := conn.WriteMessage(
+			websocket.CloseMessage,
+			websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
+		if err != nil {
+			return
+		}
+		err = conn.Close()
+		if err != nil {
+			return
+		}
+	}
+}

cmd/handler/plugins/text_to_image.go

@@ -0,0 +1,93 @@
+package plugins
+
+import (
+	"os"
+
+	"github.com/TimeleapLabs/unchained/internal/service/ai"
+	"github.com/spf13/cobra"
+)
+
+// worker represents the worker command.
+var textToImagePlugin = &cobra.Command{
+	Use:   "text-to-image",
+	Short: "Run the text-to-image plugin locally",
+	Long:  `Run the text-to-image plugin locally`,
+
+	Run: func(cmd *cobra.Command, _ []string) {
+
+		prompt := cmd.Flags().Lookup("prompt").Value.String()
+		negativePrompt := cmd.Flags().Lookup("negative-prompt").Value.String()
+		output := cmd.Flags().Lookup("output").Value.String()
+		model := cmd.Flags().Lookup("model").Value.String()
+		loraWeights := cmd.Flags().Lookup("lora-weights").Value.String()
+		steps, err := cmd.Flags().GetUint8("inference")
+
+		if err != nil {
+			panic(err)
+		}
+
+		outputBytes := ai.TextToImage(prompt, negativePrompt, model, loraWeights, steps)
+
+		// write outputBytes as png to output file path of output flag
+		err = os.WriteFile(output, outputBytes, 0644) //nolint: gosec // Other users may need to read these files.
+		if err != nil {
+			panic(err)
+		}
+
+		CloseSocket()
+		os.Exit(0)
+	},
+}
+
+// WithRunCmd appends the run command to the root command.
+func WithTextToImagePluginCmd(cmd *cobra.Command) {
+	cmd.AddCommand(textToImagePlugin)
+}
+
+func init() {
+	textToImagePlugin.Flags().StringP(
+		"prompt",
+		"p",
+		"",
+		"Prompt data to process",
+	)
+	textToImagePlugin.Flags().StringP(
+		"negative-prompt",
+		"n",
+		"",
+		"Negative prompt data to process",
+	)
+	textToImagePlugin.Flags().Uint8P(
+		"inference",
+		"i",
+		16,
+		"Number of inference steps",
+	)
+	textToImagePlugin.Flags().StringP(
+		"model",
+		"m",
+		"OEvortex/PixelGen",
+		"Model to use for inference",
+	)
+	textToImagePlugin.Flags().StringP(
+		"lora-weights",
+		"w",
+		"",
+		"Lora weights model name (if applicable)",
+	)
+	textToImagePlugin.Flags().StringP(
+		"output",
+		"o",
+		"",
+		"Output file path",
+	)
+
+	err := textToImagePlugin.MarkFlagRequired("prompt")
+	if err != nil {
+		panic(err)
+	}
+	err = textToImagePlugin.MarkFlagRequired("output")
+	if err != nil {
+		panic(err)
+	}
+}

cmd/handler/plugins/translate.go

@@ -0,0 +1,123 @@
+package plugins
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/gorilla/websocket"
+	sia "github.com/pouya-eghbali/go-sia/v2/pkg"
+	"github.com/spf13/cobra"
+)
+
+// worker represents the worker command.
+var translatePlugin = &cobra.Command{
+	Use:   "translate",
+	Short: "Run the translate plugin locally",
+	Long:  `Run the translate plugin locally`,
+
+	Run: func(cmd *cobra.Command, _ []string) {
+
+		input := cmd.Flags().Lookup("input").Value.String()
+		from := cmd.Flags().Lookup("from").Value.String()
+		to := cmd.Flags().Lookup("to").Value.String()
+
+		var err error
+		conn, _, err = websocket.DefaultDialer.Dial(
+			"ws://localhost:8765", nil,
+		)
+
+		if err != nil {
+			panic(err)
+		}
+
+		incoming := Read()
+
+		requestUUID, err := uuid.NewV7()
+		if err != nil {
+			panic(err)
+		}
+
+		uuidBytes, err := requestUUID.MarshalBinary()
+		if err != nil {
+			panic(err)
+		}
+
+		payload := sia.New().
+			AddUInt16(1).
+			AddByteArrayN(uuidBytes).
+			AddStringN(from).
+			AddStringN(to).
+			AddString16(input).
+			Bytes()
+
+		err = conn.WriteMessage(websocket.BinaryMessage, payload)
+		if err != nil {
+			panic(err)
+		}
+
+		// Start a goroutine to print dots every 3 seconds
+		stopDots := make(chan struct{})
+		go func() {
+			for {
+				select {
+				case <-stopDots:
+					return
+				case <-time.After(1 * time.Second):
+					fmt.Print(".")
+				}
+			}
+		}()
+
+		data := <-incoming
+
+		// Stop the dot-printing goroutine
+		close(stopDots)
+		fmt.Println()
+
+		// process data
+		s := sia.NewFromBytes(data)
+		uuidBytesFromResponse := s.ReadByteArrayN(16)
+		responseUUID, err := uuid.FromBytes(uuidBytesFromResponse)
+		if err != nil {
+			panic(err)
+		}
+
+		if requestUUID != responseUUID {
+			panic("UUID mismatch")
+		}
+
+		translated := s.ReadString16()
+		fmt.Println(translated)
+
+		CloseSocket()
+		os.Exit(0)
+	},
+}
+
+// WithRunCmd appends the run command to the root command.
+func WithTranslatePluginCmd(cmd *cobra.Command) {
+	cmd.AddCommand(translatePlugin)
+}
+
+func init() {
+	translatePlugin.Flags().StringP(
+		"input",
+		"i",
+		"",
+		"Input text to translate",
+	)
+	translatePlugin.Flags().StringP(
+		"from",
+		"f",
+		"en",
+		"From language",
+	)
+	translatePlugin.Flags().StringP(
+		"to",
+		"t",
+		"fr",
+		"To language",
+	)
+}