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diff --git a/presentations/2016-11-30-Profitbricks/index.html b/presentations/2016-11-30-Profitbricks/index.html deleted file mode 100644 index b8c1ddea..00000000 --- a/presentations/2016-11-30-Profitbricks/index.html +++ /dev/null @@ -1,557 +0,0 @@ -<!doctype html> -<html lang="en"> - -<head> - <meta charset="utf-8"> - <title>jenkins.debian.net or what is Debian doing with all these resources</title> - <meta name="apple-mobile-web-app-capable" content="yes"> - <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"> - - <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, minimal-ui"> - - <link rel="stylesheet" href="css/reveal.css"> - <link rel="stylesheet" href="css/theme/black.css" id="theme"> - - <style type="text/css"> - li { - margin-top: 28px !important; - } - ul ul li { - margin-top: 16px !important; - } - * { - text-transform: none !important; - } - a { - color: inherit !important; - } - code { - font-size: 90% !important; - } - table { - width: 100%; - } - .reveal table td { - border-bottom: none; - } - .reveal section img { - border: none; - box-shadow: none; - } - </style> - - <!--[if lt IE 9]> - <script src="lib/js/html5shiv.js"></script> - <![endif]--> - - <script> - var link = document.createElement('link'); - link.rel = 'stylesheet'; - link.type = 'text/css'; - link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css'; - document.getElementsByTagName('head')[0].appendChild( link ); -</script> -</head> - -<!-- - -42min :) - -who are you? - who knows about Debian? ;-) - who knows about jenkins.debian.net? - -torbrowser-launcher - - ---> - - -<body> - <div class="reveal"> - <div class="slides" style="text-align: left;"> - <section data-background="images/debian_logo.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - about <code>jenkins.debian.net</code> - or what Holger / Debian is doing with all these resources - </h2> - <p>(Automating all the tests!)</p> - <h4> - <br> - Holger Levsen <holger@debian.org> - </h4> - <p><small>Profitbricks Office, 2016-11-30, Berlin, Germany</small></p> - </section> - - <section data-background="images/h01ger.png" data-background-size="15%" data-background-color="black"> - <h2>about me</h2> - <ul class="fragment"> - <li>Debian user since 1995, contributing since 2001</li> - <li>Debian-Edu (Debian for Education), since 2003</li> - <li>DebConf organizer, founded the DebConf video team in 2005</li> - <li>Debian developer since 2007, <code>holger@debian.og</code></li> - <li>Freelancer since 2004, <code>holgerlevsen.de</code></li> - <li>Freelancer at Profitbricks from 2011-2013 and 2015</li> - </ul> - </section> - - <section data-background="images/h01ger.png" data-background-size="15%" data-background-color="black"> - <h2>more about Debian QA and me</h2> - <ul class="fragment"> - <li class="fragment"><code>https://piuparts.debian.org</code> since 2009 - today juggling with 648988 logs from 53158 packages in 28 suites with Andreas Beckmann</li> - <li class="fragment"><code>https://jenkins.debian.net</code> since 2012</li> - <li class="fragment"><code>https://reproducible.debian.net</code> since 2014</li> - <li class="fragment">since 2015 funded by the Linux Foundation for working on <code>https://reproducible-builds.org</code></li> - </ul> - </section> - - <section data-background="images/debian.jpg" data-background-color="black"> - <h2>other Debian QA efforts elsewhere</h2> - <ul> - <li><code>lintian.debian.org</code></li> - <li><code>ci.debian.net</code></li> - <li>periodic full archive rebuilds (amd64 only)</li> - </ul> - </section> - - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - about jenkins.debian.net - </h2> - <ul> - <li>resources sponsored by Profitbricks since 2012</li> - <li>first request on August 2nd 2012: 2-4 cores, 2GB RAM, 1 TB storage</li> - </ul> - </section> - - <section data-background="images/jenkins_jobs-year.png" data-background-size="65%"> - - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - Profitbricks resources used by jenkins.debian.net - </h2> - <ul> - <li>17 machines (16*Debian, 1*FreeBSD, 13*64bit, 4*32bit)<br /> - in 2 datacenters (FKB + FRA)</li> - <li>168 cores (148 AMD, 20 Intel) with 498/503 GB RAM</li> - <li>2.9/3.1 TB HDD and 1.9/2 TB SDD storage</li> - <li>no static IP addresses, no idea about traffic (500gb/month?)</li> - <li class="fragment">2 DCD users: Mattia Rizzolo and me</li> - </ul> - </section> - - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - jenkins.debian.net contributors: - </h2> - <ul> - <li>Mattia Rizzolo, Valerie Young and others: reproducible Debian</li> - <li>Helmut Grohne: rebootstrap</li> - <li>Samuel Thibault: hurd + accessibility</li> - <li>Steven Chamberlain: kfreebsd</li> - <li>Phil Hands: lvc</li> - <li>Tomasz Nitecki: jenkins java support</li> - <li class="fragment">36 contributors to <code>jenkins.debian.net.git</code> in total</li> - </ul> - </section> - - - <section data-background="images/debian.jpg" data-background-color="black"> - <h2> - A quick detour about Debian release names - </h2> - <ul class="fragment"> - <li>wheezy (Debian 7) = oldstable</li> - <li>jessie (8) = stable</li> - <li>stretch (9 = testing</li> - <li>sid = unstable</li> - <li>experimental</li> - </ul> - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - Benefits for debian - </h2> - <ul class="fragment"> - <li> - IRC / mail notifications, #debian-qa IRC channel and 11 other channels, more mailinglists - </li> - <li> - Early notifications of problems - though bugs still need to be filed manually - </li> - <li> - Countless bug reports, ie 2670 done ftbfs via reproducible… (and 500 open…) - </li> - <li> - <code>jenkins.debian.net</code> will become an offical service, <code>jenkins.debian.org</code> - </li> - </ul> - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - chroot-installation tests - </h2> - <ul> - <li>338 jobs basically running <code>apt install $metapackages</code><br /> - (gnome, kde, cinnamon, lxde, xfce, qt4, qt5, haskell, developer, debconf-video, debian-edu)</li> - <li>new installations and upgrades tested in <br /> - wheezy (98), jessie (147), stretch (153), sid (98)</li> - <li>wheezy monthly, jessie weekly, stretch every other day, sid daily</li> - </ul> - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - g-i-installation tests - </h2> - <ul> - <li>tests Debian Installer (d-i) in graphical mode ("g-i") and text mode</li> - <li>creates videos and screenshots</li> - <li>plain Debian (installations and rescue mode) and Debian Edu</li> - <li>jessie, stretch and sid</li> - <li>linux, kfreebsd and hurd</li> - <li>finally almost deprecated today, will be replaced by lvc tests (libvirt-cucumber) maintained by Phil Hands</li> - </ul> - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - more debian-installer related jobs: - </h2> - <ul> - <li>97 packages (building udebs) triggered by commits to their git master branches</li> - <li>manual in 24 languages, also git triggered</li> - <li>lvc and d-i from proposed branches planned</li> - </ul> - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - 37 debian-edu jobs: - </h2> - <ul> - <li> - 28 g-i tests for jessie and stretch - </li> - <li> - 8 debian-edu packages build triggerd by commits on their git master branches - </li> - <li> - very useful for debian-edu-doc which is published for 7 languages in HTML, PDF & EPUB format. - </li> - </ul> - </section> - - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - rebootstrap: - </h2> - <ul> - <li>Cross bootstrap Debian from scratch… </li> - <li> alpha arm64 arm64ilp32 armel armhf hppa hurd-amd64 hurd-i386 i386 kfreebsd-amd64 kfreebsd-armhf kfreebsd-i386 m68k mips mips64el mips64r6el mipsel mipsr6el musl-linux-arm64 musl-linux-armhf musl-linux-i386 musl-linux-mips musl-linux-mipsel nios2 powerpc powerpcel powerpcspe ppc64 ppc64el s390x sh4 sparc sparc64 tilegx x32</li> - <li> Helmut Grohne files lots of cross-building and bootstrapping bugs.</li> - </ul> - </section> - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - more debian-qa related jobs: - </h2> - <li>orphaned packages without bug</li> - <li>dpkg trigger cycles</li> - <li>lintian, debhelper and piuparts are build on git commits in jessie, stretch and unstable</li> - <li> - reproducible-builds.org - "btw": over 2600 'FTBFS' bugs found and fixed so far, ~400 open… - </li> - </ul> - </section> - - - <section data-background="images/debian-jenkins.png" data-background-size="10%" data-background-position="90% 10%"> - <h2> - reproducible.debian.net / tests.reproducible-builds.org/debian/ - </h2> - <ul> - <li>created by 379 / ~350 jobs on jenkins.debian.net</li> - <li class="fragment">it's not only about Debian anymore…</li> - </ul> - </section> - - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>The problem: Can we trust the build process?</h2> - <ul> - <li class="fragment">One can inspect the source code of free software for flaws</li> - <li class="fragment">But distributions provide binary/compiled packages</li> - </ul> - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>The problem: nobody can trust any binary built anywhere anymore</h2> - - <ul> - <li class="fragment">To get users, go after the developers</li> - <li class="fragment">Financial incentives to crack developer machines / build infrastructure</li> - <li class="fragment"><code>CVE-2002-0083</code>: Remote root exploit in OpenSSH (single bit difference in binary)</li> - <li class="fragment">Kernel module modifying source code when "viewed" by GCC only (see <code>media.ccc.de</code>)</li> - <li class="fragment">Compromised Apple iOS SDK, <em>Xcodeghost</em>, etc.</li> - </ul> - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>Our solution</h2> - <ul class="fragment"><small>(we are still at step 1 here)</small> - <li class="fragment">Ensure compilation of the same source always has bit by bit identical results</li> - <li class="fragment">Multiple parties compare compilation results</li> - <li class="fragment">Attacker needs to infect everybody simultaneously (or they are detected)</li> - </ul> - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>We call this <em>Reproducible Builds</em>.</h2> - - <ul class="fragment"> - <li class="fragment">We think this should become the norm for free software.</li> - </ul> - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2 style="line-height: 130%;"> - The motivation behind "reproducible" builds is to allow verification - that no flaws have been introduced during the compilation process. - </h2> - </section> - - - <section data-background="images/debian.jpg" data-background-color="black"> - <h2>Reproducible builds in Debian</h2> - - <p>Continuously build every package twice, varying:</p> - - <ul> - <ul> - <li>Time & date</li> - <li>Hostname & domain name</li> - <li>Filesystem (<code><strike>disorderfs</strike></code>)</li> - <li>Timezone & locale</li> - <li><code>uid</code> & <code>gid</code></li> - <li>GECOS information, the shell & a bunch of environment variables </li> - <li>Kernel & CPU type</li> - <li>and more…</li> - </ul> - </ul> - </section> - - <section data-background="images/diffoscope.png" data-background-size="75%" data-background-position="50% 50%"> - <p><!-- FIXME: this is horrible… --> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - <h2><code>https://try.diffoscope.org</code></h2> - </p> - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>Challenges</h2> - <ul> - <ul> - <li>Timestamps</li> - <li>Timezones & locales</li> - <li>Non-deterministic file ordering</li> - <li>Dictionary/hash key ordering</li> - <li>Users, groups, <code>umask</code>, environment variables</li> - <li>Build paths</li> - <li>Specifying the environment</li> - </ul> - </ul> - </section> - - <section data-background="images/unstable_status.png" data-background-size="100%"> - - </section> - - <section data-background="images/testing_status.png" data-background-size="100%"> - - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>Other technical benefits</h2> - - <ul> - <ul> - <li>Faster to build; saves time, money & the environment</li> - <li>Easier to test changes/revisions</li> - <li>Unsafe behaviour (eg. internet access)</li> - <li>Unreliable / non-deterministic behaviours (eg. timing)</li> - <li>Finds bugs in uncommon timezones or locales</li> - <li>Detect corrupted build environments</li> - <li>Find future build failures (eg. expired certificates)</li> - </ul> - </ul> - </section> - - - <section data-background="images/stats_bugs_sin_ftbfs_state.png" data-background-size="100%"> - - </section> - - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>Future work</h2> - - <ul> - <li><code>.buildinfo</code> files distribution unsolved <small>(step 2)</small></li> - <li>How to make it meaningful for end-users <small>(step 3)</small></li> - <li class="fragment">Source code still vulnerable</li> - </ul> - </section> - - <section> - <h2>Beyond Debian…</h2> - <p> - <img src="images/logos/archlinux.png"> - <!-- img src="images/logos/baserock.png" --> - <img src="images/logos/bitcoin.png"> - <img src="images/logos/coreboot.png"> - <img src="images/logos/debian.png"> - <img src="images/logos/electrobsd.png"> - <img src="images/logos/f-droid.png"> - <img src="images/logos/fedora.png"> - <img src="images/logos/freebsd.png"> - <img src="images/logos/google.png"> - <img src="images/logos/guix.png"> - <img src="images/logos/lede.png"> - <img src="images/logos/netbsd.png"> - <img src="images/logos/nixos.png"> - <img src="images/logos/openSUSE.png"> - <img src="images/logos/openwrt.png"> - <img src="images/logos/tails.png"> - <img src="images/logos/tor.png"> - <img src="images/logos/webconverger.png"> - <div class="fragment">Reproducible Builds summits (Athens 2015, Berlin 2016)</li> - </div> - </p> - </section> - - <section> - <h2>Projects using Profitbricks resources via jenkins.debian.net</h2> - <p>works: - <img src="images/logos/coreboot.png"> - <img src="images/logos/debian.png"> - <img src="images/logos/freebsd.png"> - <img src="images/logos/lede.png"> - <img src="images/logos/netbsd.png"> - <img src="images/logos/openwrt.png"> - </p> - <p>worked: - <img src="images/logos/archlinux.png"> - <img src="images/logos/fedora.png"> - </p> - <p>work in progress: - <img src="images/logos/f-droid.png"> - <img src="images/logos/guix.png"> - </p> - </section> - - <section data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2> - Resources used for reproducibility testing on jenkins.debian.net, by architecture & sponsor - </h2> - <ul> - <li>13 amd64 systems, sponsored by Profitbricks</li> - <li>4 i386 systems, sponsored by Profitbricks</li> - <li>22 armhf systems, sponsored by vagrant@d.o, Debian & other donations</li> - <li>soon: 8 arm64 systems, sponsored by codethink.co.uk</li> - </ul> - </section> - - - <section data-background-color="white" data-background="images/rbo.png" data-background-size="25%" data-background-position="90% 10%"> - <h2>Usually I thank:</h2> - <p style="text-align: center;"> - <img src="images/cii.png"> - <br> - <img src="images/lf.png"> - <br> - <img src="images/profitbricks.jpg"> - <br> - <img src="images/debian_logo.png"> - </p> - </section> - - <section data-background="images/wholeworld.jpg" data-background-size="28%" data-background-position="99% 2%"> - <h2>Todays special thanks:</h2> - <p style="text-align: center;"> - <img src="images/profitbricks.jpg"> - <ul> - <li>from Debian, <code>jenkins.debian.net</code> would not have been possible like this without <em>your support!</em></li> - <li>from many many folks interested in Reproducible Builds!</li><!-- thanks to <em>you</em> <code>reproducible.debian.net</code> - could grow into <code>tests.reproducible-builds.org</code> so smoothly!</li> --> - </ul> - </p> - </section> - - <section data-background="images/debian.jpg" data-background-color="black"> - <h2 style="text-align: center;">Questions?</h2> - - <br /> - <br /> - - <table> - <tr> - <td> - <a href="mailto:holger@debian.org">holger@debian.org</a> - </td> - <td style="text-align: right;"> - <code>B8BF 5413 7B09 D35C F026<br />FE9D 091A B856 069A AA1C</code> - </td> - </tr> - </table> - - <br> - - <p style="text-align: center;"> - <a href="https://jenkins.debian.net/"><code>https://jenkins.debian.net</code></a> - <br> - <a href="https://reproducible-builds.org/"><code>https://reproducible-builds.org</code></a> - <br /> - <br /> - <br /> - <br /> - <br /> - <br /> - </p> - <p style="text-align: center;"> - <small> …and many thanks to Chris Lamb for the nice slide design!</small> - </p> - </section> - </div> - </div> - - <script src="lib/js/head.min.js"></script> - <script src="js/reveal.js"></script> - <script> - Reveal.initialize({ - controls: false, - progress: false, - history: true - }); - </script> -</body> -</html> |