Fix post config verification without flags.

- Set the daemon log level to what's set in the configuration.
- Enable TLS when TLSVerify is enabled.

Signed-off-by: David Calavera <david.calavera@gmail.com>

docker/common.go

@@ -55,16 +55,7 @@ func init() {
 func postParseCommon() {
 	cmd := commonFlags.FlagSet
 
-	if commonFlags.LogLevel != "" {
-		lvl, err := logrus.ParseLevel(commonFlags.LogLevel)
-		if err != nil {
-			fmt.Fprintf(os.Stderr, "Unable to parse logging level: %s\n", commonFlags.LogLevel)
-			os.Exit(1)
-		}
-		logrus.SetLevel(lvl)
-	} else {
-		logrus.SetLevel(logrus.InfoLevel)
-	}
+	setDaemonLogLevel(commonFlags.LogLevel)
 
 	// Regardless of whether the user sets it to true or false, if they
 	// specify --tlsverify at all then we need to turn on tls
@@ -93,3 +84,16 @@ func postParseCommon() {
 		}
 	}
 }
+
+func setDaemonLogLevel(logLevel string) {
+	if logLevel != "" {
+		lvl, err := logrus.ParseLevel(logLevel)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Unable to parse logging level: %s\n", logLevel)
+			os.Exit(1)
+		}
+		logrus.SetLevel(lvl)
+	} else {
+		logrus.SetLevel(logrus.InfoLevel)
+	}
+}