Can now set custom config path flag when starting daemon

instance_config.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"net/http"
 	"os"
 	"path/filepath"
 	"strings"
@@ -28,6 +29,10 @@ func PrepareInstanceConfig(templateVersion string, instanceConfigPath string, op
 func SyncInstanceConfig(templateVersion string, instanceConfigPath string, options VsServerConfigOptions, cfg *AppConfig) error {
 	templatePath := filepath.Join(cfg.Storage.ConfigTemplatesDir, templateVersion, "serverconfig.json")
 
+	if err := ensureTemplateExists(templateVersion, templatePath, cfg); err != nil {
+		return fmt.Errorf("failed ensuring configuration template availability: %w", err)
+	}
+
 	if _, err := os.Stat(instanceConfigPath); os.IsNotExist(err) {
 		if err := os.MkdirAll(filepath.Dir(instanceConfigPath), 0755); err != nil {
 			return fmt.Errorf("failed creating instance directory tree: %w", err)
@@ -91,3 +96,43 @@ func SyncInstanceConfig(templateVersion string, instanceConfigPath string, optio
 
 	return os.WriteFile(instanceConfigPath, updatedData, 0644)
 }
+
+func ensureTemplateExists(version string, targetPath string, cfg *AppConfig) error {
+	if _, err := os.Stat(targetPath); err == nil {
+		return nil
+	}
+
+	fmt.Printf("Template for version %s not found locally. Fetching remote layout from git server...\n", version)
+
+	if err := os.MkdirAll(filepath.Dir(targetPath), 0755); err != nil {
+		return fmt.Errorf("failed to create local template cache directory: %w", err)
+	}
+
+	remoteURL := fmt.Sprintf("https://git.bellsworne.tech/chrisbell/vssm_config_templates/raw/branch/main/%s/serverconfig.json", version)
+
+	resp, err := http.Get(remoteURL)
+	if err != nil {
+		return fmt.Errorf("network error attempting to pull config template: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusNotFound {
+		return fmt.Errorf("version template '%s' does not exist in the remote git repository asset tree", version)
+	} else if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("remote git mirror returned unexpected HTTP status: %s", resp.Status)
+	}
+
+	out, err := os.Create(targetPath)
+	if err != nil {
+		return fmt.Errorf("failed creating cache file hook on system storage: %w", err)
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, resp.Body)
+	if err != nil {
+		return fmt.Errorf("failed stream-writing network payload cache frame to disk: %w", err)
+	}
+
+	fmt.Printf("Successfully cached configuration layout template for version %s\n", version)
+	return nil
+}