From bedf262d644f5fa35f29a67b5b772c86ccd15e66 Mon Sep 17 00:00:00 2001
From: Dmitriy Lukyanchikov
 <31628587+dmitriy-lukyanchikov@users.noreply.github.com>
Date: Sun, 1 Apr 2018 12:20:41 +0300
Subject: [PATCH] Add config validation option (#306)

---
 main.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/main.go b/main.go
index e0d586f..3520301 100644
--- a/main.go
+++ b/main.go
@@ -49,6 +49,7 @@ var (
 	configFile    = kingpin.Flag("config.file", "Blackbox exporter configuration file.").Default("blackbox.yml").String()
 	listenAddress = kingpin.Flag("web.listen-address", "The address to listen on for HTTP requests.").Default(":9115").String()
 	timeoutOffset = kingpin.Flag("timeout-offset", "Offset to subtract from timeout in seconds.").Default("0.5").Float64()
+	configCheck   = kingpin.Flag("config.check", "If true validate the config file and then exit.").Default().Bool()
 
 	Probers = map[string]prober.ProbeFn{
 		"http": prober.ProbeHTTP,
@@ -217,6 +218,12 @@ func main() {
 		level.Error(logger).Log("msg", "Error loading config", "err", err)
 		os.Exit(1)
 	}
+
+	if *configCheck {
+		level.Info(logger).Log("msg", "Config file is ok exiting...")
+		os.Exit(0)
+	}
+
 	level.Info(logger).Log("msg", "Loaded config file")
 
 	hup := make(chan os.Signal)
-- 
2.25.1