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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Ironic - Managing and provisioning bare metal machines</title>
<meta name="description" content="OpenStack Ironic - project summary and overview">
<meta name="author" content="Imre Farkas, Lucas Gomes and Matt Wagner">
<meta name="apple-mobile-web-app-capable" content="yes" />
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<link rel="stylesheet" href="css/reveal.min.css">
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</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<h1>Ironic</h1>
<h3>Managing and provisioning bare metal machines</h3>
<p>
<small>Imre Farkas, Lucas Gomes and Matt Wagner</small>
</p>
</section>
<section>
<h2>Agenda</h2>
<p>
<ul>
<li>Overview</li>
<li>Current</li>
<li>Future</li>
</ul>
</p>
</section>
<section>
<h2>Overview</h2>
<p>
<ul>
<li>provides an API for managing and provisioning of physical machines</li>
<li>replaces the Nova baremetal driver</li>
</ul>
</p>
</section>
<section>
<h2>Baremetal</h2>
<p>
<ul>
<li>hardware is not virtualized</li>
<li>the tenant has full access to the hardware</li>
<li>hypervisor API gluing together multiple pluggable drivers</li>
<li>pluggable drivers to allow vendor-specific functionality to be added</li>
</ul>
</p>
</section>
<section>
<h2>Why is baremetal important?</h2>
<p>
<ul>
<li>HPC</li>
<li>devices which can't be virtualized</li>
<li>database hosting</li>
<li>deploying a cloud infrastructure</li>
</ul>
</p>
</section>
<section>
<h2>Why ALL other tools (MAAS, Crowbar, Foreman) SUCK?</h2>
</section>
<section>
<h2>Nova Baremetal vs Ironic split</h2>
<p>
<ul>
<li>separate database</li>
<li>requires a considerable amount of information which is unrelated to virtualized deployment</li>
<li>tasks on hardware which do not apply to virtual machines</li>
<li>interactions with other projects (eg. Neutron) which do not apply to virtual environments</li>
</ul>
</p>
</section>
<section>
<h2>Current</h2>
<p>
</p>
</section>
<section>
<h2>Ironic Components</h2>
<p>
<ul>
<li><font color="#4180ac">Ironic API:</font> The component which operators and other services may interact with to manage the bare metal servers.</li>
<li><font color="#4180ac">Ironic Conductor:</font> The component which does the bulk of the work. Functionality is exposed via the API service. The Conductor and API services communicate via RPC.</li>
<li><font color="#4180ac">Database:</font> A Database for registering resources and storing the state of the Conductor and its drivers.</li>
<li><font color="#4180ac">Deploy Ramdisk:</font> A Deployment Ramdisk which does the work over the hardware which is not available remotely to the Conductor.</li>
</ul>
</p>
</section>
<section>
<h2>Ironic Flow</h2>
<p>
<img height="500px" src="images/IronicFlow.png"/>
</p>
</section>
<section>
<h2>Driver Interfaces</h2>
<p>
<ul>
<li><font color="#4180ac">Core</font></li>
<ul>
<li>Power ({set, get}_power_state(); ...)</li>
<li>Provision (deploy(); tear_down(); prepare(); ...)</li>
</ul>
<li><font color="#4180ac">Standard</font></li>
<ul>
<li>Console ({start, stop, get}_console(); ...)</li>
<li>Rescue (rescue(); unresue(); ...)</li>
</ul>
<li><font color="#4180ac">Vendor</font> (validate(); vendor_passhtru();)</li>
</ul>
</p>
</section>
<section>
<h2>Example of a Driver</h2>
<pre><code data-trim contenteditable>
class PXEAndIPMIToolDriver(base.BaseDriver):
def __init__(self):
self.power = ipmitool.IPMIPower()
self.deploy = pxe.PXEDeploy()
pxe_vendor = pxe.VendorPassthru()
ipmi_vendor = ipmitool.VendorPassthru()
mapping = {'pass_deploy_info': pxe_vendor,
'set_boot_device': ipmi_vendor}
self.vendor = utils.MixinVendorInterface(mapping)
</code></pre>
<pre><code data-trim contenteditable>
class IPMIPower(base.PowerInterface):
def validate(self, task, node):
...
def get_power_state(self, task, node):
...
def set_power_state(self, task, node, pstate):
...
def reboot(self, task, node):
...
</code></pre>
</section>
<section>
<h2>The Vendor Interface</h2>
<p>
<ul>
<li>set_boot_device() (is probably going to be promoted)</li>
<li>update_firmware() ???</li>
<li>boot_from_network_volume() ???</li>
<li>???</li>
</ul>
</p>
</section>
<section>
<h2>PXE and IPMI Driver Deploy Flow</h2>
<p>
<img height="500px" src="images/PXEandIPMIFlow.png"/>
</p>
</section>
<section>
<h2>Fault Tolerance</h2>
<h4>(Not complete there yet...)</h2>
<p>
<img height="500px" src="images/FaultTolerance.png"/>
</p>
</section>
<section>
<h2>Sunnyvale Overview</h2>
<ul>
<li>Mid-cycle meetup week of March 3rd in Sunnyvale, CA.</li>
<li>TripleO and Ironic upstream meeting.</li>
<li>HP, Red Hat, Yahoo!, Rackspace, Mirantis sent developers.</li>
</ul>
</section>
<!-- A picture to build interest! Photo is of the Yahoo! campus in Sunnyvale,
taken by Matt Wagner, from http://www.flickr.com/photos/n1zyy/13048634305/ -->
<section>
<img src="images/yahoo_mawagner.jpg" />
</section>
<section>
<h2>So what happened?</h2>
<ul>
<li>Feature freeze (Feb. 3); -2'd several patches</li>
<ul>
<li>Serial console support</li>
<li>Nova Baremetal migration</li>
<li>Windows image deploy</li>
<li>iLo power and virtual media support</li>
</ul>
<li><em>(Continued)</em></li>
</ul>
</section>
<section>
<h2>So what else happened?</h2>
<ul>
<li>Ironic driver for Nova temporarily moved in-tree</li>
<li>Continuous Integration work done</li>
<li>User documentation focus</li>
<li>Discussion re: managing network/storage hardware</li>
<li>Ramdisk agent discussions for robust provisioning</li>
</ul>
</section>
<section>
<h2>Future</h2>
<p>
</p>
</section>
<section>
<h2>Questions / Topics to discuss</h2>
<p>
</p>
</section>
</div>
</div>
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