286 lines
7.0 KiB
HTML
286 lines
7.0 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en-US">
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<head>
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<meta name="generator" content=
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"HTML Tidy for Linux/x86 (vers 1st November 2003), see www.w3.org" />
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<title>OpenStack and Linux Distros</title>
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"Copyright © 2005-2010 W3C (MIT, ERCIM, Keio)" />
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<style>
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div.slide ul {
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font-size: 120%
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}
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</style>
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</head>
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<body>
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<div class="background"><img alt="" id="head-icon"
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src="graphics/open-stack-cloud-computing-logo-2.png" /></div>
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<div class="slide cover title">
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<img src="graphics/openstack-cloud-software-vertical-large.png" alt="OpenStack logo"
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class="cover" /><br clear="all" />
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<h1>OpenStack and Linux Distros</h1>
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<p>
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Monty Taylor
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<<a href="mailto:mordred@inaugust.com">mordred@inaugust.com</a>><br />
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</div>
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<div class="slide">
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<h1>Whoami</h1>
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<ul>
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<li>OpenStack Infrastructure Team Founder</li>
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<li>Foundation Board Member</li>
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<li>Technical Committee Member</li>
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<li>HP Cloud Services</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Disclaimer</h1>
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<ul>
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<li>Any views expressed in this talk are my own</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Overview</h1>
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<ul>
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<li>History</li>
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<li>Lessons Learned</li>
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<li>Upstreams</li>
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</ul>
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</div>
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<div class="slide">
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<h1>OpenStack is cloud Software</h1>
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<ul>
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<li>Rackspace and NASA</li>
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<li>ex-Ubuntu and ex-Drizzle</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Modeled after Ubuntu</h1>
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<ul>
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<li>6 month cadence</li>
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<li>tied to ubuntu release cadence</li>
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<li>Design Summits</li>
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<li>versioning scheme</li>
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<li>bzr/launchpad</li>
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<li>Gated Trunk from Drizzle</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Gating on Packaged Depends</h1>
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<ul>
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<li>"All project depends must be in Ubuntu"</li>
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<li>Carried a depends PPA in Launchpad</li>
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<li>Build slave ran "apt-get build-dep nova"</li>
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<li>Ensured we wouldn't screw up Ubuntu</li>
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<li>PPA for Nova and Swift</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Pain Points</h1>
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<ul>
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<li>Adding new depends == editing debian packaging</li>
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<li>Duplication - depends already in tree</li>
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<li>Carry backport patched depends (libvirt, eventlet)</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Time Passes</h1>
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<ul>
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<li>This lasted for a year</li>
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<li>Ubuntu Dropped Eucalyptus for OpenStack</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Foreshaddowing</h1>
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<ul>
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<li>Stopped using packages on jenkins slaves</li>
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<li>Depends use PyPI and virtualenv</li>
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</ul>
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</div>
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<div class="slide">
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<h1>distro/upstream disconnect</h1>
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<ul>
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<li>Upstream cares about latest upstream on all stable OS releases</li>
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<li>Distro cares about stable upstream on latest/pre-release OS</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Inciting Incident</h1>
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<ul>
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<li>Project moved to git</li>
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<li>Started adding install-based integration testing</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Integration testing</h1>
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<ul>
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<li>Create package(s)</li>
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<li>Spin up new machine</li>
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<li>apt-get install packages</li>
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<li>Test results</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Barriers</h1>
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<ul>
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<li>Using PPA - async</li>
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<li>Packaging branches in bzr</li>
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<li>Multi-release packaging patches</li>
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</ul>
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</div>
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<div class="slide">
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<h1>The pitch</h1>
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<ul>
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<li>Move packaging branches to gerrit</li>
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<li>Spin up our own apt repo</li>
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<li>Build packages synchronously</li>
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<li>Support multi-version releases</li>
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</ul>
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</div>
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<div class="slide">
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<h1>A Phone Call</h1>
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<ul>
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<li>"Ubuntu just called us and screamed for an hour"</li>
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</ul>
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</div>
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<div class="slide">
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<h1>UDS Essex</h1>
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<ul>
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<li>Ubuntu and Redhat requested we stop making packages</li>
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<li>Rackspace released devstack</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Lessons Learned</h1>
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<ul>
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<li>Be The Best Upstream First</li>
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<li>Make actual releases</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Interesting developments</h1>
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<ul>
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<li>RedHat has shown up with tons of devs</li>
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<li>Ubuntu does CI testing of OpenStack on their own</li>
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<li>We've dropped debian-based pre-versioning</li>
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<li>We're adding RHEL testing support with RedHat's help</li>
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<li>Talk to lifeless about diskimage-builder and TripleO</li>
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</ul>
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</div>
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<div class="slide">
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<h1>The Upstream Viewpoint</h1>
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<ul>
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<li>Upstreams care about latest upstream version on stable distro</li>
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<li>So do users</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Ubuntu Cloud Archive</h1>
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<ul>
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<li>Canonical/Ubuntu providing an APT repo that has backported OpenStack</li>
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<li>Those pesky matrixes of support really are hard!</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Each App is a Distro</h1>
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<ul>
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<li>OpenStack release are de facto distros</li>
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<li>Each depenednet library is a part of OpenStack</li>
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<li>Upstream releases of libraries also need testing</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Language packaging centric views</h1>
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<ul>
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<li>Python - PyPI/pip</li>
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<li>Java - maven</li>
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<li>Ruby - gem</li>
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<li>Perl - CPAN</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Images</h1>
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<ul>
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<li>TripleO team is investigating images-as-app-delivery</li>
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<li>EC2 VAR ecosystem has been doing this for years</li>
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<li>What does this mean for distros?</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Distro as core</h1>
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<ul>
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<li>What if the Distro was only there for core things?</li>
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<li>What if Distro packaging focused on C/C++?</li>
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<li>What if Distro packaging played nice with python/perl/java/ruby?</li>
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<li>What if apps on distros ran in their own container/VM?</li>
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</ul>
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</div>
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<div class="slide">
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<h1>Thanks!</h1>
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<p>All repos are at: <a href="https://github.com/openstack-infra">https://github.com/openstack-infra</a></p>
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<p>
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These slides available at: <a href="https://openstack-ci.github.com/publications">https://openstack-ci.github.com/publications</a>
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</p>
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</div>
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</body>
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</html>
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