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Metron on CentOS 6

This project fully automates the provisioning and deployment of Apache Metron and all necessary prerequisites on a single, virtualized host running CentOS 6.

Metron is composed of many components and installing all of these on a single host, especially a virtualized one, will greatly stress the resources of the host. The host will require at least 8 GB of RAM and a fair amount of patience. It is highly recommended that you shut down all unnecessary services.

Getting Started

Prerequisites

The computer used to deploy Apache Metron will need to have the following components installed.

Running the following script can help validate whether you have all the prerequisites installed and running correctly.

metron-deployment/scripts/platform-info.sh

How do I install these on MacOS?

Any platform that supports these tools is suitable, but the following instructions cover installation on macOS. The easiest means of installing these tools on a Mac is to use the excellent Homebrew project.

  1. Install Homebrew by following the instructions at Homebrew.

  2. Run the following command in a terminal to install all of the required tools.

    brew cask install vagrant virtualbox docker ansible
brew cask install caskroom/versions/java8
brew install [email protected] git
vagrant plugin install vagrant-hostmanager
open /Applications/Docker.app

Deploy Metron

  1. Ensure that the Docker service is running.

  2. Deploy Metron

    cd metron-deployment/development/centos6
vagrant up

    Should the process fail before completing the deployment, the following command will continue the deployment process without re-instantiating the host.

    vagrant provision

Explore Metron

Navigate to the following resources to explore your newly minted Apache Metron environment.

Connecting to the host through SSH is as simple as running the following command.

vagrant ssh

Working with Metron

In addition to re-running the entire provisioning play book, you may now re-run an individual Ansible tag or a collection of tags in the following ways. The following commands will re-run the sensor-stubs role on the Vagrant image. This will install and start the sensor stub components.

vagrant --ansible-tags="sensor-stubs" provision

Tags are listed in the playbooks. Here are some frequently used tags:

  • hdp-install - Install HDP
  • hdp-deploy - Deploy and Start HDP Services (will start all Hadoop Services)
  • sensors - Deploy the sensors (see Sensors for more details regarding this tag)
  • sensor-stubs - Deploy and start the sensor stubs.

Sensors

By default, the Metron development environment uses sensor stubs to mimic the behavior of the full sensors. This is done because the full sensors take a significant amount of time and CPU to build, install, and run.

From time to time you may want to install the full sensors for testing (see the specifics of what that means here). This can be done by running the following command:

vagrant --ansible-skip-tags="sensor-stubs" up

This will skip only the sensor-stubs tag, allowing the ansible roles with the sensors tag to be run. This provisions the full sensors in a 'testing mode' so that they are more active, and thus more useful for testing (more details on that here). However, when vagrant completes the sensors will NOT be running. In order to start the sensors and simulate traffic through them (which will create a fair amount of load on your test system), complete the below steps:

vagrant ssh
sudo su -
service pcap-replay restart
service yaf restart
service snortd restart
service snort-producer restart