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https://github.com/crate/crate-mesos-framework

An integration framework that allows you to run and manage CrateDB via Apache Mesos.
https://github.com/crate/crate-mesos-framework

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An integration framework that allows you to run and manage CrateDB via Apache Mesos.

Lists

README 

        
=======================

CrateDB Mesos Framework

=======================



.. image:: https://travis-ci.org/crate/crate-mesos-framework.svg?branch=master

    :target: https://travis-ci.org/crate/crate-mesos-framework



.. image:: https://img.shields.io/badge/license-Apache%202-blue.svg

    :target: https://raw.githubusercontent.com/crate/crate-mesos-framework/master/LICENSE



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An integration framework that allows you to run and manage CrateDB_ via `Apache

Mesos`_.



**This project is currently unmaintained. Contributions welcome. See below.**



*Note: this framework is experimental and not suitable for production use.

Future changes in the API might break older installations!*



Prerequisites

=============



A JDK needs to be installed.



On OS X, we recommend using `Oracle's Java`_. If you're using Linux, we

recommend OpenJDK_.



We recommend you use a recent Java 8 version.



Vagrant_ is also used.



Setup and Building

==================



Clone the repository::



    $ git clone https://github.com/crate/crate-mesos-framework.git



Build the JAR file::



    $ ./gradlew fatJar



The JAR file can then be found in the ``build/libs/`` directory.



This JAR file cannot be run directly as it requires a Mesos master instance and

the Mesos native libraries.



Launching

=========



This project ships with a Vagrantfile that can be used with Vagrant to launch

*virtual machines* (VM) with Mesos installed.



Launch the VMs like so::



    $ vagrant up



This will create and provision four VMs:



- ``mesos-master``

    The Mesos master instance along with Zookeeper

- ``mesos-slave-{1..3}``

    The Mesos slaves



If you have run ``vagrant up`` before, Vagrant boots the existing VMs.



Once the VMs are up-and-running, the CrateDB Mesos framework can be started

inside the master VM. You can do that like so::



    $ vagrant ssh -c "java -Djava.library.path=/usr/local/lib -jar /vagrant/build/libs/crate-mesos-*.jar --crate-version 0.54.9 --zookeeper 192.168.10.100:2181"



Inside the VM, ``/vagrant`` is mapped to the project root. This way, the JAR

file can be accessed.



Hosts Entries

-------------



The static IPs of the Vagrant VMs are ``192.168.10.100`` for the master and

``192.168.10.{101..103}`` for the slaves.



You can add them to your ``/etc/hosts`` file, like so::



    192.168.10.100 mesos-master

    192.168.10.101 mesos-slave-1

    192.168.10.102 mesos-slave-2

    192.168.10.103 mesos-slave-3



The Mesos WebUI should be available under http://mesos-master:5050 immediately

after ``vagrant up`` is finished.



Once the CrateDB Mesos framework has been launched, the framework API becomes

available at http://mesos-master:4040/cluster (if an API port is not otherwise

specified).



Shortcut

--------



You can re-build the JAR file and re-start the framework with this shortcut

command::



    $ bin/deploy --crate-version 0.47.7 --zookeeper 192.168.10.100:2181



Running via Marathon

====================



One of the easiest ways to run CrateDB Mesos framework is via Marathon_, on

something like a DCOS_ cluster.



For installing Marathon, please refer to `Mesosphere install guide`_. The

Marathon WebUI should be available under http://mesos-master:8080 after setting

things up.



Modify the template `marathon/local.json`_ file to suit your purposes and then

submit the file to Marathon, like so::



    $ curl -s -XPOST http://mesos-master:8080/v2/apps -d@marathon/local.json -H "Content-Type: application/json"



Once deployed, you can use the framework API_ to launch a CrateDB cluster. To do

so, execute the ``resize`` command::



    $ curl -sXPOST -H "Content-Type: application/json" :4040/cluster/resize -d '{"instances": }'



Here, ```` is the hostname or IP of the host the framework is

scheduled on, and ```` is the desired number of CrateDB nodes.



Contributing

============



This project is primarily maintained by Crate.io_, but we welcome community

contributions!



See the `developer docs`_ and the `contribution docs`_ for more information.



Help

====



Looking for more help?



- Read the `project docs`_

- Check out our `support channels`_



.. _`Mesosphere install guide`: http://mesosphere.com/docs/getting-started/datacenter/install/

.. _Apache Mesos: http://mesos.apache.org

.. _API: https://crate.io/docs/reference/mesos-framework/en/latest/api.html

.. _contribution docs: CONTRIBUTING.rst

.. _Crate.io: http://crate.io/

.. _CrateDB: https://crate.io

.. _DCOS: https://dcos.io

.. _developer docs: DEVELOP.rst

.. _Gradle: http://www.gradle.org/

.. _Marathon: https://mesosphere.github.io/marathon/

.. _marathon/local.json: marathon/local.json

.. _OpenJDK: http://openjdk.java.net/projects/jdk8/

.. _Oracle's Java: http://www.java.com/en/download/help/mac_install.xml

.. _project doc: https://github.com/crate/crate-mesos-framework/tree/master/docs

.. _support channels: https://crate.io/support/

.. _Vagrant: https://www.vagrantup.com/