Standalone fluentd (http://fluentd.org) server for Java and Scala.

This library launches a new fluentd server using a random port when fluentd is not started in the node.

Use cases:

• Running test codes that use fluentd (logger) in a build server (e.g., Travis CI, Jenkins, etc.), in which fluentd is not running.

fluentd depends on some ruby modules. You need to install these dependencies first.

The simplest way is just install fluentd.

$ gem install fluentd -v 1.6.2

See also http://docs.fluentd.org/articles/quickstart.

<dependencies>
  ...
  <dependency>
    <groupId>org.xerial</groupId>
    <artifactId>fluentd-standalone_2.12</artifactId>
    <version>1.2.6</version>
  </dependency>
  ...
</dependencies>

libraryDependencies += "org.xerial" %% "fluentd-standalone" % "1.6.2"

import xerial.fluentd.FluentdStandalone;

FluentdStandalone s = new FluentdStandalone();
// Start new fluentd server
s.start();

// Send log messsages to fluentd
int port = s.port(); // fluentd port

// Terminate the fluentd
s.stop();

$ git clone https://github.com/xerial/fluentd-standalone.git
$ cd fluentd-standalone
$ git submodule init          # Only for the first time
$ git submodule update        # Fetch fluentd 

# Run tests
$ ./sbt test