@suresh krish What do you mean by handle clear text passwords ? If you want to protect passwords in configuration files and don't let them clear text on disque then you can use the credential provider api https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/CredentialProviderAPI.html You can create a jckes key and store your passwords on it and reference them in your conf file. The keystore can be stored on hdfs to be accessible for all nodes or local (to avoid closed loops) Is this what you are looking for? ... View more

@xav webmaster You need to generate flow file attributes based on the content of your data. These attrbutes will be used for routing in RouteOnAttribute. To construct these attributes you can use UpdateAttribute/ExtractText with Expression Langage. If you just want to check if the line contains Allow or Deny you can use contains : https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#contains If you want to verify a particular field then you need to parse the line. There are several methods to do it. For instance, you can use the function getDelimitedField since it's a CSV. Look also to record based processor. They have a ton of optimisation that can help you. https://community.hortonworks.com/articles/102183/record-based-processors-in-apache-nifi-12.html https://blogs.apache.org/nifi/entry/record-oriented-data-with-nifi ... View more

@Simon Jespersen You can use UpdateAttribute and create a new attribute with the following EL : ${filename:getDelimitedField(3,'_')} ... View more