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| <h5 class="page-header text-uppercase">Documentation |
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| <h1 id="containers">Containers</h1> |
| |
| <h2 id="docker">Docker</h2> |
| |
| <p>Aurora has optional support for launching Docker containers, if correctly <a href="../../operations/configuration/#docker-containers">configured by an Operator</a>.</p> |
| |
| <p>Example (available in the <a href="../../getting-started/vagrant/">Vagrant environment</a>):</p> |
| <pre class="highlight plaintext"><code>$ cat /vagrant/examples/jobs/docker/hello_docker.aurora |
| hello_world_proc = Process( |
| name = 'hello', |
| cmdline = """ |
| while true; do |
| echo hello world |
| sleep 10 |
| done |
| """) |
| |
| hello_world_docker = Task( |
| name = 'hello docker', |
| processes = [hello_world_proc], |
| resources = Resources(cpu = 1, ram = 1*MB, disk=8*MB) |
| ) |
| |
| jobs = [ |
| Service( |
| cluster = 'devcluster', |
| environment = 'devel', |
| role = 'docker-test', |
| name = 'hello_docker', |
| task = hello_world_docker, |
| container = Container(docker = Docker(image = 'python:2.7')) |
| ) |
| ] |
| </code></pre> |
| |
| <p>In order to correctly execute processes inside a job, the docker container must have Python 2.7 |
| installed. Further details of how to use Docker can be found in the |
| <a href="../../reference/configuration/#docker-object">Reference Documentation</a>.</p> |
| |
| <h2 id="mesos">Mesos</h2> |
| |
| <p><em>Note: In order to use filesystem images with Aurora, you must be running at least Mesos 0.28.x</em></p> |
| |
| <p>Aurora supports specifying a task filesystem image to use with the <a href="http://mesos.apache.org/documentation/latest/container-image/">Mesos containerizer</a>. |
| This is done by setting the <code>container</code> property of the Job to a <code>Mesos</code> container object |
| that includes the image to use. Both <a href="https://github.com/appc/spec/blob/master/SPEC.md">AppC</a> and |
| <a href="https://github.com/docker/docker/blob/master/image/spec/v1.md">Docker</a> images are supported.</p> |
| <pre class="highlight plaintext"><code>job = Job( |
| ... |
| container = Mesos(image=DockerImage(name='my-image', tag='my-tag')) |
| ... |
| ) |
| </code></pre> |
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