From e27aa3e21d35830dfac42edf1ba9ab09f563eda9 Mon Sep 17 00:00:00 2001
From: Armon Dadgar <armon.dadgar@gmail.com>
Date: Fri, 7 Feb 2014 12:03:14 -0800
Subject: [PATCH] agent: Adding some primitive config reloading

---
 command/agent/command.go | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/command/agent/command.go b/command/agent/command.go
index ac8409a03f..9052c8a92b 100644
--- a/command/agent/command.go
+++ b/command/agent/command.go
@@ -304,8 +304,28 @@ WAIT:
 // handleReload is invoked when we should reload our configs, e.g. SIGHUP
 func (c *Command) handleReload(config *Config) *Config {
 	c.Ui.Output("Reloading configuration...")
-	// TODO : handle reload
-	return config
+	newConf := c.readConfig()
+	if newConf == nil {
+		c.Ui.Error(fmt.Sprintf("Failed to reload configs"))
+		return config
+	}
+
+	// Change the log level
+	minLevel := logutils.LogLevel(strings.ToUpper(newConf.LogLevel))
+	if ValidateLevelFilter(minLevel, c.logFilter) {
+		c.logFilter.SetMinLevel(minLevel)
+	} else {
+		c.Ui.Error(fmt.Sprintf(
+			"Invalid log level: %s. Valid log levels are: %v",
+			minLevel, c.logFilter.Levels))
+
+		// Keep the current log level
+		newConf.LogLevel = config.LogLevel
+	}
+
+	// TODO: Update the services and checks
+
+	return newConf
 }
 
 func (c *Command) Synopsis() string {