feat: use latest image factory version

Grabs the latest Talos version from the Image Factory API

Signed-off-by: Steven Kreitzer <[email protected]>
Signed-off-by: Utku Ozdemir <[email protected]>

Author: buroa

cmd/booter/main.go

@@ -147,7 +147,8 @@ func init() {
 			"The arguments will be used to generate schematic ID from the image factory. "+
 			"These extra args can also be set via the %q environment variable or via command line arguments.", extraKernelArgsEnvVar))
 
-	rootCmd.Flags().StringVar(&serverOptions.TalosVersion, "talos-version", serverOptions.TalosVersion, "The Talos version to use.")
+	rootCmd.Flags().StringVar(&serverOptions.TalosVersion, "talos-version", serverOptions.TalosVersion, "The Talos version to use. If it is not specified, "+
+		"the latest stable Talos version from the image factory will be detected and used.")
 
 	// Omni options
 	// todo: disabled for now, we can re-enable it after https://github.com/siderolabs/omni/issues/1375 for better UX

internal/server/imagefactory/client.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/blang/semver/v4"
 	"github.com/siderolabs/image-factory/pkg/client"
 	"github.com/siderolabs/image-factory/pkg/schematic"
 	"go.uber.org/zap"
@@ -92,3 +93,36 @@ func (c *Client) GetIPXEURL(schematicID, talosVersion, arch string) (string, err
 
 	return ipxeURL, nil
 }
+
+// GetLatestStableVersion returns the latest stable Talos version from the image factory.
+func (c *Client) GetLatestStableVersion(ctx context.Context) (string, error) {
+	versions, err := c.factoryClient.Versions(ctx)
+	if err != nil {
+		return "", err
+	}
+
+	var latestStable *semver.Version
+	for _, v := range versions {
+		sv, err := semver.ParseTolerant(v)
+		if err != nil {
+			c.logger.Warn("failed to parse version", zap.String("version", v), zap.Error(err))
+
+			continue
+		}
+
+		// Skip pre-releases
+		if len(sv.Pre) > 0 {
+			continue
+		}
+
+		if latestStable == nil || sv.GT(*latestStable) {
+			latestStable = &sv
+		}
+	}
+
+	if latestStable == nil {
+		return "", fmt.Errorf("no stable versions found")
+	}
+
+	return latestStable.String(), nil
+}

internal/server/options.go

@@ -29,7 +29,5 @@ func DefaultOptions() Options {
 		ImageFactoryBaseURL:    "https://factory.talos.dev",
 		ImageFactoryPXEBaseURL: "https://pxe.factory.talos.dev",
 		APIPort:                50084,
-		Extensions:             []string{"siderolabs/hello-world-service"},
-		TalosVersion:           "v1.10.6",
 	}
 }

internal/server/server.go

@@ -92,6 +92,15 @@ func (s *Server) Run(ctx context.Context) error {
 		return fmt.Errorf("failed to create image factory client: %w", err)
 	}
 
+	if s.options.TalosVersion == "" {
+		if s.options.TalosVersion, err = imageFactoryClient.GetLatestStableVersion(ctx); err != nil {
+			return fmt.Errorf("failed to get the latest stable Talos version from the image factory: %w", err)
+		}
+
+		s.logger.Info("Talos version is not explicitly defined, the latest stable Talos version from the image factory will be used",
+			zap.String("version", s.options.TalosVersion))
+	}
+
 	ipxeHandler, err := ipxe.NewHandler(ctx, configServerEnabled, imageFactoryClient, ipxe.HandlerOptions{
 		APIAdvertiseAddress: s.options.APIAdvertiseAddress,
 		APIPort:             s.options.APIPort,

internal/version/data/tag

@@ -1 +1 @@
-v0.1.0
+v0.2.0