Before starting using Logsearch-for-cloudfoundry you should get familiar with several base concepts and tools:
The ELK Stack is a collection of three open-source products — Elasticsearch, Logstash, and Kibana — from Elastic. Elasticsearch is a NoSQL database based on the Lucene search engine. Logstash is a pipeline tool that accepts inputs from various sources, performs different transformations, and exports the data to various targets. Kibana is a visualization layer that works on top of Elasticsearch. Together, these three products are known as ELK stack and most commonly used in log analysis. Logstash collects and parses logs, Elasticsearch indexes and stores them and then Kibana presents the data in a useful UI.
Logsearch is an open-source project that can be used to build and operate your own log analysis cluster in the cloud. It provides boshrelease of a scalable ELK cluster for your own BOSH-managed infrastructure. The cluster is built using standard ELK stack with considering cloud specifics. It can be used as a standalone deployment or extended with add-ons that fulfills your goals.
Logsearch-for-cloudfoundry is a BOSH-release add-on for Logsearch. It extends Logsearch with functionality of retrieving, parsing, indexing and visualizing logs from CloudFoundry platform. Read about features it adds to Logsearch in more detail.