Create validate-logstash.sh

Author: tainguyenbp

bash-basic/validate-logstash/validate-logstash.sh

@@ -0,0 +1,20 @@
+```
+#!/bin/bash
+
+NAME_LOGSTASH='logstash.conf'
+
+PATH_LOGSTASH='/etc/logstash/conf.d'
+
+echo "The check command verifies the syntax of Logstash configuration files:"
+mustache check "${PATH_LOGSTASH}/${NAME_LOGSTASH}"
+
+echo "The lint command checks for problems in Logstash configuration files: "
+mustache lint --auto-fix-id "${PATH_LOGSTASH}/${NAME_LOGSTASH}"
+
+echo "The format command, mustache returns the provided configuration files in a standardized format: "
+#mustache format --write-to-source "${PATH_LOGSTASH}/${NAME_LOGSTASH}"
+```
+
+```
+/usr/share/logstash/bin/logstash --config.test_and_exit -f /etc/logstash/conf.d/logstash.conf
+```