fix: Auto clean gluon-bench folder

Cleanup generated benchmark data on exit. Use `-skip-cleanup` to keep
the generated data.

benchmarks/gluon_bench/benchmark/run.go

@@ -139,5 +139,13 @@ func measureBenchmark(dirConfig BenchDirConfig, iteration uint, bench Benchmark)
 		panic(fmt.Sprintf("Failed to teardown benchmark %v: %v", bench.Name(), err))
 	}
 
+	if !*flags.SkipClean {
+		fmt.Printf("Cleaning benchmark dir: %v\n", benchPath)
+
+		if err := os.RemoveAll(benchPath); err != nil {
+			fmt.Fprintf(os.Stderr, "Failed to remote benchmark data dir '%v': %v\n", benchPath, err)
+		}
+	}
+
 	return reporter.NewBenchmarkStatistics(benchRun.Extra, benchRun.Durations...)
 }

benchmarks/gluon_bench/flags/general.go

@@ -10,4 +10,5 @@ var (
 	Connector     = flag.String("connector", "dummy", "Key of the connector implementation registered with ConnectorFactory.")
 	UserName      = flag.String("user-name", "user", "Username for the connector user, defaults to 'user'.")
 	UserPassword  = flag.String("user-pwd", "password", "Password for the connector user, defaults to 'password'.")
+	SkipClean     = flag.Bool("skip-clean", false, "Do not cleanup benchmark data directory.")
 )