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Why It Makes Sense to Build Your Own Cloud Images

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Why It Makes Sense to Build Your Own Cloud Images Image BUILD aS-a- SeRVIce Why it makes sense to build your own cloud images OpenStack Summit Boston 2017 aBoUt US Kurt garloff .Studied physics open teLekom Cloud ArchItekt .Built up SUSE Labs, where he was leading the development [email protected] of the Linux kernel, the gcc Compiler and X11 .Since 2011, he has mainly been leading engineering and operations of OpenStack based cloud environments SeBaStIan wenneR .Studied Information Technology open teLekom Cloud ArchItekt .Since 2000, in various roles covering Linux, virtualisation, [email protected] outsourcing and infrastructure .After 10 years at IBM, he joined T-Systems in 2012 focussing on cloud DanIeLa EbeRt .Studied Information Technology open teLekom Cloud engIneeR .With T-Systems since 2003 [email protected] .Spent many years as an AIX Engineer before joining the OTC team Image Factory@Open Telekom Cloud May 2017 2 agenDa I. Intro II. Reasons III. Requirements IV. Setup V. Workflow VI. Output VII. Outlook VIII. Q&A Image Factory@Open Telekom Cloud May 2017 3 IntRo Image Factory@Open Telekom Cloud May 2017 4 open teLekom cLoud public iaas for european enterprises Data protection in compliance maRket anD Secure with German legislation An open technology customeR Meeting enterprise needs platform with built-in expectatIonS compliance, ease-of-use, Rapid access aRe changIng: and best pricing for SImpLe Support/help getting started Easy to use businesses of any size, Demand for scalable, in any industry dynamic IT resources is growing. Great pricing affordaBLe Moving from capex to opex Public IaaS is the answer for IT infrastructures open (compute, storage, network, management) teLekom OpenStack API open No vendor lock-in cLoud Simple to integrate Image Factory@Open Telekom Cloud May 2017 5 OTC at a Glance Open Telekom Cloud is a cloud offered by Deutsche Telekom Open Telekom Cloud is a public-cloud service based on OpenStack Open Telekom Cloud is operated by T-Systems in Germany, and its functionality continues to be enhanced Open Telekom Cloud meets German and European legal requirements on data protection/privacy Open Telekom Cloud offers 99.95% availability For users who need robust data protection/security For cost-conscious enterprises of all sizes, in all industries For users looking for simple, secure and affordable cloud services Image Factory@Open Telekom Cloud May 2017 6 ReaSonS Image Factory@Open Telekom Cloud May 2017 7 ReaSonS foR BUILDIng OWN ImageS Security pLATFORm USeR experience Hardening of images XEN drivers Up-to-date images Patched images High-performance drivers Uniform images Transparent process of image Huawei tools (uvp-monitor) Standard user for login creation cloud-init optimization Include OpenStack tools • Preconfiguration (NTP, update mirrors etc.) Image Factory@Open Telekom Cloud May 2017 8 RequirementS Image Factory@Open Telekom Cloud May 2017 9 IMAGE RequirementS Supportable and maintainable Regular updates Small images, fast to build, deploy, discard, and cheap to run Security hardening Modern (latest stable community and enterprise Linux distros) Check authenticity of packages Configuration/Customization via cloud-init & vendor/user-data SecURe SImpLe affordable Reproducible, template-based Tested OPEN Continuous integration Transparent process of image creation License compliancy Provide community images to public Image Factory@Open Telekom Cloud May 2017 10 SetUp Image Factory@Open Telekom Cloud May 2017 11 TOOLS openSUSE KIWI is a Perl-based tool building customized OS images Pulls packages from repositories, and installs them in chroot environment Builds for us: openSUSE, SLES, CentOS, OracleLinux, RHEL Not supported: Debian-based images diskimage-builder is a Python-based tool for building customized OS images Pulls packages from repositories, and installs them in chroot environment Builds for us: Debian, Fedora Not supported: SUSE-based images GIT repository: Holds template files and scripts Bash scripts to automate the whole workflow OpenStack tools: Upload and register images Apache: Publish image files and documentation Image Factory@Open Telekom Cloud May 2017 12 BUILD environment architecture Normal tenant in OTC production environment Internet Image Factory Tenant Support systems All servers are redundant in SSh Jump KIWI HTTPS SMT az1 and az2 RHUI Host Build Host APT-cacher Security groups to contol SSH the traffic Admin NFS Server NFS Object REST storage Jump Hosts: Gateway for all outgoing traffic (SNAT) Web DIB Server Build Host NFS server for GIT and Glance NFS image data HTTPS REST User Image Factory@Open Telekom Cloud May 2017 13 woRkfLow Image Factory@Open Telekom Cloud May 2017 14 IMAGE BUILD WORKFLow Config files from GIT Webserver: qcow2 files Keys Glance: Script to register image RPMs from repo servers Calls KIWI or diskimage-builder Boot VM Compares config and package list to Start testsuite previous build Save test results Collects logfiles Signs the images Upload image to tenant OBS Register as private image Image Factory@Open Telekom Cloud May 2017 15 InpUt exampLe (confIg.xmL) Image Factory@Open Telekom Cloud May 2017 16 Image BUILD exampLe 1/2 Call KIWI Get repos Setup chroot Image Factory@Open Telekom Cloud May 2017 17 Image BUILD exampLe 2/2 Convert qcow2 KIWI success Image Factory@Open Telekom Cloud May 2017 18 UpLoaD & RegisteR OBSUpload Register Image Factory@Open Telekom Cloud May 2017 19 teSTsuite exampLe SSH checks Update test Reboot test Image Factory@Open Telekom Cloud May 2017 20 oUtpUt Image Factory@Open Telekom Cloud May 2017 21 Image VeRsionS V1 Latest stable community and enterprise Linux distros , e.g.: openSUSE 42, SLES 12SP2 CentOS, OEL, RHEL 6.8 + 7.3 Debian 8.7, Fedora 25 Also available, but provided by Canonical: Ubuntu 14.04 (trusty), Ubuntu 16.04 (xenial) Image Factory@Open Telekom Cloud May 2017 22 Image VeRsionS V2 Latest stable community (Standard_ prefix) and enterprise (Enterprise_) Linux distros , e.g.: openSUSE 42.x, SLES 12SPx CentOS, OEL, RHEL 7.x EulerOS 2.x Debian 8.x, Fedora 25 Also available, but provided by Canonical (Community_): Ubuntu 14.04 (trusty) Ubuntu 16.04 (xenial) May 17, 2017 23 Image Factory@Open Telekom Cloud May 2017 23 pUBLIc Image LISt https://console.otc.t-systems.com/ Image Factory@Open Telekom Cloud May 2017 24 oUtLook Image Factory@Open Telekom Cloud May 2017 25 what is next Paas Images Marketplace IFaaS CoreOS Windows Integration Jenkins ? Infrastructure GPU based improvements Linux comIng Soon Image Factory@Open Telekom Cloud May 2017 26 qUeStIONS? Image Factory@Open Telekom Cloud May 2017 27 LInkS Image Factory: https://imagefactory.otc.t-systems.com/ Image Factory related blogs: https://cloud.telekom.de/en/blog/open-telekom-cloud-image-factory-introduction/ https://cloud.telekom.de/en/blog/open-telekom-cloud-image-factory-get-in-touch-with-an-open- telekom-image/ https://cloud.telekom.de/en/blog/open-telekom-cloud-available-images-naming-conventions- planned-roadmap/ https://cloud.telekom.de/en/blog/image-factory-image-modifications/ Helpcenter: https://docs.otc.t-systems.com/ims_dld/index.html Image Factory@Open Telekom Cloud May 2017 28 THANK YOU! Image Factory@Open Telekom Cloud May 2017 29 .
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