# Docker log centralizer - Febbweiss

# Docker log centralizer

This a end-to-end log centralizer powered by the ELK stask.

## Embedded containers

- Filebeat - An agent to poll logs
- Logstash-Forwarder - An other agent to poll logs
- rsyslog - A standard Linux log manager
- Logstash - The collector / analyzer / parser solution
- Kafka - The queueing solution for logs
- ZooKeeper - The cluster on which Kafka is running
- ElasticSearch - The indexing engine
- Kibana - The visualization / dashboard tool for ElasticSearch
- Kafka Manager - The Kafka cluster web manager
- Apache log generator - A container generating fake apache logs
- Random log generator - A container generating text logs (Star Wars quotes)
- Java log generator - A container generating Java logs (with exception stack trace)

## How it works

There are 3 agent types :

- Filebeat
- Logstash-Forward
- rsyslog

These agents push logs (from the apache and random generators) to a Logstasth shipper filling a Kafka queue (one type of log for one topic). A Logstash indexer polls the Kafka topics indexing logs into a ElasticSearch.

A short schema :

    Agent -> Logstach shipper -> Kafka <- Logstash indexer -> ElasticSearch

## Tools access

Kibana is available at http://localhost:5601. Kafka Manager is available at http://localhost:9000

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