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case study
               IaaS using XCP and XAPI




                                                marco sinhoreli
                                         virtualization project leader




Monday, May 17, 2010
about globo.com
   •      Internet branch of Globo organizations

                  •    Biggest media conglomerate in Latin America and 4th around the world

   •      Largest vertical web portals in Brazil

                  •    More than 150 million page views per day

                  •    Average of 27 million unique visitors in February 2010

                  •    More than 1500 physical servers in the production datacenter

                  •    More than 60 Gbps internet link

                  •    Considered benchmark for high-volume web distribution

                  •    Responsible for the largest simultaneous video streaming audiences in the country

Monday, May 17, 2010
making decisions

                •      Automate existing manual workflow between teams’ processes

                •      Keep existing automated systems used for infrastructure setup

                •      Identify new infrastructure processes to be automated

                •      The IaaS needs to fit the company and not the reverse



Monday, May 17, 2010
new infrastructure processes

                                Load
           Switches
                              Balancers
                                                             NetworkAPI            All infrastructure processes
                                                                core
                                                                                   are integrated in a single
                                                  R EST
                                                                                   core application responsible
                                                          REST
                                                                                   for the flux organization.
                                                                                   Each process has an API
                          I                                           Monitoring
                       XAP    Core application                                     controlling its physical/
                                                                                   logical/virtual resources.


    Physical Servers           Virtual Machines                  Deploy
Monday, May 17, 2010
networkAPI
     •      Relationship between server and switch ports

                       •   needed for adding tagged vlan into switch port trunk when a VM is installed or started

     •      Switch communication by SNMP or SSH

                       •   check/add/remove/list vlans in switch ports

     •      Load-balancer communication by API or SNMP or SSH

                       •   management of virtual IPs

     •      Users profiles

                       •   implement policies for human or system users


Monday, May 17, 2010
monitoring
                •      The monitoring is a part of the VM life-cycle

                          •   when the VM is started all information about the VM is included
                              in the monitoring system and then enabled

                          •   when the VM is stopped or is tagged as “maintenance”, the
                              monitoring is disabled

                          •   if the VM is removed, the VM monitoring is removed as well


Monday, May 17, 2010
deployment
                •      Used for internal application deployment

                •      Install all dependencies needed in OS

                •      Setup the virtual machine for applications

                •      Policies for users and groups

                            •   Dev/QA/Staging/Production environment



Monday, May 17, 2010
motivation to use XCP
          •     Pooling
                       •   One place to get status and setup all pool virtual resources

          •     Easy API

                       •   Fast to program and maintain

                       •   Many client bindings for many flavors

          •     Paravirtualization

          •     Large and devoted community

Monday, May 17, 2010
IaaS front-end component

                       •   Django application running on Apache

                       •   Users access front-end and authentication

                       •   Unifies all others IaaS components

                       •   Defines all workflow and system interactions



Monday, May 17, 2010
IaaS xapi integration component

                •      Django application running on Apache

                •      VNC console proxy encapsulated with token to identify client

                •      Translates REST calls from front-end application to native xapi calls

                •      All calls to XCP pools are only natively accessible from the integration
                       component



Monday, May 17, 2010
host and VM installation
      •     Hosts

                       •   PXE boot
                       •   answerfile for unattended installation

                       •   rewrite /etc/firstboot.d files to not change the static IPs
      •     VM

                       •   kickstart for unattended installation integrated into system
                       •   static IP configured by system inserting information on Linux kernel cmdline



Monday, May 17, 2010
system view (traditional)




Monday, May 17, 2010
system view (logical)




Monday, May 17, 2010
benefits of this new approach




Monday, May 17, 2010
workflow

                •      Defines the workflow between teams

                •      Integrated with ticket system to request an human action

                •      Keeps the same flux previously used when the actions weren’t
                       automated

                •      Checklist of each item to release the resources



Monday, May 17, 2010
user profile



                       •   Each profile has a group of actions in the system

                       •   Some profiles inherit group actions of others



Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile



                          Project
                        administrator




Monday, May 17, 2010
user profile



                          Project
                        administrator




Monday, May 17, 2010
user profile



                          Project
                        administrator




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
user profile




Monday, May 17, 2010
roadmap
    •      Deployment (Integrate with the IaaS core to tag the deployment in projects)
    •      DNS (Manage the DNS using an API)
    •      Monitoring (rich details)
    •      XCP
                  •    Permit many VMs to use the same shared storage block in web farms
                  •    Master recovery
                  •    Virtual Machine HA


Monday, May 17, 2010
thanks


                       Questions?




Monday, May 17, 2010

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Xen summit2010 globocom

  • 1. case study IaaS using XCP and XAPI marco sinhoreli virtualization project leader Monday, May 17, 2010
  • 2. about globo.com • Internet branch of Globo organizations • Biggest media conglomerate in Latin America and 4th around the world • Largest vertical web portals in Brazil • More than 150 million page views per day • Average of 27 million unique visitors in February 2010 • More than 1500 physical servers in the production datacenter • More than 60 Gbps internet link • Considered benchmark for high-volume web distribution • Responsible for the largest simultaneous video streaming audiences in the country Monday, May 17, 2010
  • 3. making decisions • Automate existing manual workflow between teams’ processes • Keep existing automated systems used for infrastructure setup • Identify new infrastructure processes to be automated • The IaaS needs to fit the company and not the reverse Monday, May 17, 2010
  • 4. new infrastructure processes Load Switches Balancers NetworkAPI All infrastructure processes core are integrated in a single R EST core application responsible REST for the flux organization. Each process has an API I Monitoring XAP Core application controlling its physical/ logical/virtual resources. Physical Servers Virtual Machines Deploy Monday, May 17, 2010
  • 5. networkAPI • Relationship between server and switch ports • needed for adding tagged vlan into switch port trunk when a VM is installed or started • Switch communication by SNMP or SSH • check/add/remove/list vlans in switch ports • Load-balancer communication by API or SNMP or SSH • management of virtual IPs • Users profiles • implement policies for human or system users Monday, May 17, 2010
  • 6. monitoring • The monitoring is a part of the VM life-cycle • when the VM is started all information about the VM is included in the monitoring system and then enabled • when the VM is stopped or is tagged as “maintenance”, the monitoring is disabled • if the VM is removed, the VM monitoring is removed as well Monday, May 17, 2010
  • 7. deployment • Used for internal application deployment • Install all dependencies needed in OS • Setup the virtual machine for applications • Policies for users and groups • Dev/QA/Staging/Production environment Monday, May 17, 2010
  • 8. motivation to use XCP • Pooling • One place to get status and setup all pool virtual resources • Easy API • Fast to program and maintain • Many client bindings for many flavors • Paravirtualization • Large and devoted community Monday, May 17, 2010
  • 9. IaaS front-end component • Django application running on Apache • Users access front-end and authentication • Unifies all others IaaS components • Defines all workflow and system interactions Monday, May 17, 2010
  • 10. IaaS xapi integration component • Django application running on Apache • VNC console proxy encapsulated with token to identify client • Translates REST calls from front-end application to native xapi calls • All calls to XCP pools are only natively accessible from the integration component Monday, May 17, 2010
  • 11. host and VM installation • Hosts • PXE boot • answerfile for unattended installation • rewrite /etc/firstboot.d files to not change the static IPs • VM • kickstart for unattended installation integrated into system • static IP configured by system inserting information on Linux kernel cmdline Monday, May 17, 2010
  • 14. benefits of this new approach Monday, May 17, 2010
  • 15. workflow • Defines the workflow between teams • Integrated with ticket system to request an human action • Keeps the same flux previously used when the actions weren’t automated • Checklist of each item to release the resources Monday, May 17, 2010
  • 16. user profile • Each profile has a group of actions in the system • Some profiles inherit group actions of others Monday, May 17, 2010
  • 21. user profile Project administrator Monday, May 17, 2010
  • 22. user profile Project administrator Monday, May 17, 2010
  • 23. user profile Project administrator Monday, May 17, 2010
  • 29. roadmap • Deployment (Integrate with the IaaS core to tag the deployment in projects) • DNS (Manage the DNS using an API) • Monitoring (rich details) • XCP • Permit many VMs to use the same shared storage block in web farms • Master recovery • Virtual Machine HA Monday, May 17, 2010
  • 30. thanks Questions? Monday, May 17, 2010