add optional flag to pass the complete path to platform.json

Author: iljarotar

cmd/generate.go

@@ -21,6 +21,7 @@ var generateCmd = &cobra.Command{
 		deviceDir, _ := cmd.Flags().GetString("device-dir")
 		sonicEnvFile, _ := cmd.Flags().GetString("env-file")
 		sonicVersionFile, _ := cmd.Flags().GetString("version-file")
+		platformFile, _ := cmd.Flags().GetString("platform-file")
 
 		env, err := p.GetEnvironment(sonicEnvFile)
 		if err != nil {
@@ -39,7 +40,9 @@ var generateCmd = &cobra.Command{
 			os.Exit(1)
 		}
 
-		platformFile := fmt.Sprintf("%s/%s/platform.json", deviceDir, env.Platform)
+		if platformFile == "" {
+			platformFile = fmt.Sprintf("%s/%s/platform.json", deviceDir, env.Platform)
+		}
 		platformBytes, err := os.ReadFile(platformFile)
 		if err != nil {
 			return fmt.Errorf("failed to read platform.json file:%w", err)
@@ -86,5 +89,6 @@ func init() {
 	generateCmd.Flags().StringP("output-file", "o", "config_db.json", "path to output file")
 	generateCmd.Flags().String("device-dir", "/usr/share/sonic/device", "directory which holds all device-specific files")
 	generateCmd.Flags().StringP("env-file", "e", "/etc/sonic/sonic-environment", "sonic-environment file holding platform information")
+	generateCmd.Flags().StringP("platform-file", "p", "", "path to platform.json")
 	generateCmd.Flags().StringP("version-file", "v", "/etc/sonic/sonic_version.yml", "sonic version file")
 }