zgdkik / elk-example

Log Management for Spring Boot Applications with Logstash, Elasticsearch and Kibana

For further informations and detailed installation instructions please refer to my blog post on the codecentric Blog. The following instructions give you only a quick overview.

Clone the repository

git clone http://github.com/denschu/elk-example
cd elk-example

Build the Example Application

cd loggging-example-batch
mvn clean install

Run the ELK Stack with Docker (Compose)

docker-compose up

Open Kibana

http://<boot2docker-ip>:5601

Logback configuration

<property name="FILE_LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} %5p ${PID:- } [%t] --- %-40.40logger{39} : %m%n%wex"/>

Example log statement

2014-10-10 16:34:07.089  INFO 11322 [main] --- s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8090/http

Grok Pattern

Logstash Grok Pattern

%{TIMESTAMP_ISO8601:logtime}%{SPACE}%{LOGLEVEL:loglevel} %{SPACE}%{NUMBER:pid}%{SPACE}---%{SPACE}%{SYSLOG5424SD:threadname}%{SPACE}%{JAVACLASSSHORT:classname}%{SPACE}:%{SPACE}%{GREEDYDATA:logmessage}

Tested with Spring Boot 1.2.6.RELEASE

JAVACLASSSHORT (?:[\.]?[a-zA-Z0-9-]+\.)*[A-Za-z0-9$]+

Open the preconfigured Logstash Dashboard in Kibana again and you will see upcoming logstatements

http://<docker-host-ip>:5601

See also

http://logstash.net/docs/1.4.2/tutorials/getting-started-with-logstash http://www.elasticsearch.org/overview/kibana/installation/ https://github.com/elasticsearch/logstash-forwarder

Generate SSL Certs for Logstash Forwarder

openssl req -x509  -batch -nodes -newkey rsa:2048 -days 3065 -keyout logstash-forwarder.key -out logstash-forwarder.crt -subj /CN=logstash