I am using elasticsearch and kibana for IoT platform to collect data from sensors I use seperate plugin of mine to calculate signal quality of each sensor and to collect data from sensor and push it to elasticsearch i did everything using nodejs now need to know it is possible to do the calculation of signal quality can be done using logstash please let me know whether it is posszible by logstash.

thank you in advance for your reply

Since you can write any code you want in a ruby filter pretty much anything is possible in logstash.

On a general note, please make sure you use a more descriptive topic tile in future.