oVirt – open your virtual datacenter
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The document presents an overview of oVirt, an open-source virtualization management platform that offers centralized control for server and desktop virtualization, leveraging KVM technology for enhanced performance and security. It includes information on its features like live migration, high availability, and integration capabilities with other tools such as Foreman and OpenStack. The summary also highlights community involvement, administrative tools, and the project's support for various environments and customization options.
oVirt – open your virtual datacenter
- 1. Linux Day 2016, Bergamo oVirt open your virtual datacenter Simone Tiraboschi Senior Software Engineer Red Hat Inc.
- 2. Linux Day 2016, Bergamo ● What is oVirt? ● Where did it come from? ● Project overview ● What does it do? ● Interesting features ● DEMO Agenda
- 3. Linux Day 2016, Bergamo ● Websites, Repository, Bug Tracking: ● http://www.ovirt.org ● http://www.ovirt.org/project/subprojects/ ● https://gerrit.ovirt.org/ ● https://bugzilla.redhat.com/ Join the community - Find bugs, File Them, Correct Them. - Translate, Write Documentation. - Design Interfaces, Develop new features - Share your experiences. Everyone can make a difference. ● Mailing lists: ● http://lists.ovirt.org/mailman/listinfo ● IRC: ● #ovirt on OFTC How To Contribute
- 4. Linux Day 2016, Bergamo Who is behind it?
- 5. Linux Day 2016, Bergamo ● oVirt-Engine ● VDSM ● oVirt-Node ● oVirt Live ● oVirt Hosted Engine ● oVirt-Engine-SDK ● oVirt-Engine-CLI ● oVirt-Guest-Agent ● oVirt-Image-Uploader ● oVirt-iso-Uploader ● oVirt-Log-Collector ● oVirt-DWH ● oVirt-Reports ● Incubation Projects ● MOM ● moVirt ● Test Projects Current List of Upstream Projects oVirt: Not a Single Project
- 6. Linux Day 2016, Bergamo ● Included in Linux kernel since 2006 ● ● Runs Linux, Windows and other operating system guests ● ● Advanced features ● Live migration ● Memory page sharing ● Thin provisioning ● PCI Pass-through ● KVM architecture provides high “feature-velocity” – leverages the power of Linux Kernel-based Virtual Machine (KVM)
- 7. Linux Day 2016, Bergamo /usr/libexec/qemu-kvm -name vm-f16-buildmachine -S -M rhel6.4.0 -cpu Westmere -enable-kvm -m 2048 -smp 2,sockets=2,cores=1,threads=1 -uuid a8ccdb60-8a42-44f5-9669-d74c3b2eff43 -smbios type=1,manufacturer=Red Hat,product=RHEV Hypervisor,version=6Server-6.4.0.4.el6,serial=30353036-3837-4247-3831-30394635324C_78:e7:d1:22:46:d8,uuid =a8ccdb60-8a42-44f5-9669-d74c3b2eff43 -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/vm-f16-buildmachine.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=2013-10-08T12:16:16,driftfix=slew -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x4 -drive if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw,serial= -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive file=/rhev/data-center/f79b0b28-c82f-11e0-8739-78e7d1e48c4c/5bab6470-8825-4e3a-b408-ebcde93678b6/i mages/4c213cd2-c4d5-441b-a1ac-dfb1a6868699/11b3e132-50a5-481b-b48b-e3b1f2879e69,if=none,id=drive-virt io-disk0,format=qcow2,serial=4c213cd2-c4d5-441b-a1ac-dfb1a6868699,cache=none,werror=stop,rerror=stop,a io=native -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/rhev/data-center/f79b0b28-c82f-11e0-8739-78e7d1e48c4c/5bab6470-8825-4e3a-b408-ebcde93678b6/i mages/02330fa2-d1ff-48e0-a843-842c2376756f/5a283126-4d27-4eef-86dd-fb538d8d08e4,if=none,id=drive-vi rtio-disk1,format=qcow2,serial=02330fa2-d1ff-48e0-a843-842c2376756f,cache=none,werror=stop,rerror=stop ,aio=native -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk1,id=virtio-disk1 -netdev tap,fd=31,id=hostnet0,vhost=on,vhostfd=32 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=00:1a:4a:23:12:13,bus=pci.0,addr=0x3,bootindex=2 -chardev socket,id=charchannel0,path=/var/lib/libvirt/qemu/channels/vm-f16-buildmachine.com.redhat.rhevm.vdsm,ser ver,nowait -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm -chardev socket,id=charchannel1,path=/var/lib/libvirt/qemu/channels/vm-f16-buildmachine.org.qemu.guest_agent.0,ser ver,nowait -device virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=org.qemu.guest_agent.0 -chardev spicevmc,id=charchannel2,name=vdagent -device virtserialport,bus=virtio-serial0.0,nr=3,chardev=charchannel2,id=channel2,name=com.redhat.spice.0 -spice port=5904,tls-port=5905,addr=10.35.16.4,x509-dir=/etc/pki/vdsm/libvirt-spice,tls-channel=main,tls-channel=di splay,tls-channel=inputs,tls-channel=cursor,tls-channel=playback,tls-channel=record,tls-channel=smartcard, tls-channel=usbredir,seamless-migration=on -k en-us -vga qxl -global qxl-vga.ram_size=67108864 -global qxl-vga.vram_size=67108864 Using KVM
- 8. Linux Day 2016, Bergamo How Does It Look? - oVirt Manager
- 9. Linux Day 2016, Bergamo What Is oVirt? ● Provides large scale, centralized management for server and desktop virtualization ● Based on leading performance, scalability and security infrastructure technologies ● Provide an open source alternative to vCenter/vSphere ● Focus on KVM for best integration/performance ● Focus on ease of use/deployment ● Full featured software targeted to enterprise world
- 10. Linux Day 2016, Bergamo oVirt inherits the security features of Linux SELinux security policy infrastructure Provides protection and isolation for virtual machines and host Compromised virtual machine cannot access other VMs or host sVirt Project Sub-project of NSA's SELinux community. Provides “hardened” hypervisors Multilevel security. Isolate guests Contain any hypervisor breaches Security
- 11. Linux Day 2016, Bergamo How Does It Look? - oVirt Node
- 12. Linux Day 2016, Bergamo One Host Environment
- 13. Linux Day 2016, Bergamo * Now with Hosted Engine, where the engine runs on a VM that is itself hosted by one of the managed host, ensuring high-availability Multiple Hosts
- 14. Linux Day 2016, Bergamo • Dynamically move virtual machines between hosts ● No service interruption ● Applications continue to run • Migrate even I/O intensive workloads such as databases • Perform hardware maintenance without application downtime • Dynamically balance workloads between host systems Live Migration
- 15. Linux Day 2016, Bergamo Multi-Datacenter/Multi-Host
- 16. Linux Day 2016, Bergamo • Build a highly available enterprise infrastructure • Continually monitor host systems and virtual machines • Automatically restart virtual machines in case of host failure ● Restart virtual machine on another node in the cluster • Use live migration to “fail-back” a VM to it's original host when the server is restored High Availability
- 17. Linux Day 2016, Bergamo • Dynamically balance workloads in the data center. • Automatically live migrate virtual machines based on resources • Define custom policies for distribution of virtual machines Maintain consistent resource usage across the enterprise data center System Scheduler
- 18. Linux Day 2016, Bergamo • Define policies to optimize workload on a fewer number of servers during “off-peak” hours • Power Saver
- 19. Linux Day 2016, Bergamo ● Simplicity ● Stability ● Functionality Three Pillars of Management
- 20. Linux Day 2016, Bergamo ● Installation ● sudo yum install -y ovirt-engine ● sudo engine-setup ● Varied user interaction mechanisms ● Intuitive web interface ● Python CLI ● Python/Java SDK ● oVirt Node ● Configuration ● One place, single utility Simplicity
- 21. Linux Day 2016, Bergamo ● Involvement of big companies ● RHEV is based on oVirt ● IBM, Netapp, Cisco etc. ● Open governance model - Merit based ● Regular release schedule ● Well known release schedule ● Stabilization periods ● Community test days ● CI ● Active users community ● Deployed in production, Alter Way Stability
- 22. Linux Day 2016, Bergamo Administrative Portal
- 23. Linux Day 2016, Bergamo User Portal
- 24. Linux Day 2016, Bergamo Centralized management, security and policy enforcement Virtual desktops with user experience of a physical PC Multiple monitors HD-quality video Bi-directional audio/video for VoIP or video-conferencing Smartcard support USB support Industry-leading density of virtual desktops/server Virtual Desktop Infrastructure (VDI)
- 25. Linux Day 2016, Bergamo - Creating the proxy - Listing all collections - Listing collection's methods. - Querying collection with oVirt search engine. - Querying collection by custom constraint. - Querying collection for specific resource. - Accessing resource methods and properties. Python SDK
- 26. Linux Day 2016, Bergamo - Accessing resource properties and sub-collections. - Accessing sub-collection methods. - Retrieving sub-collection resource. - Accessing sub-collection resource properties and methods. - Querying sub-collection by custom constraint. Python SDK (cont.)
- 27. Linux Day 2016, Bergamo oVirt CLI
- 28. Linux Day 2016, Bergamo oVirt Reports
- 29. Linux Day 2016, Bergamo oVirt Reports
- 30. Linux Day 2016, Bergamo ● oVirt allows registration to certain audit events ● The notification service sends emails per audit message to relevant users ● Also monitors engine itself Notification Service
- 31. Linux Day 2016, Bergamo ● “Hook” mechanism for customization ● Allows administrator to define scripts to modify VM operation ● eg. Add extra options such as CPU pinning, watchdog device, direct LUN access, etc ● Allows oVirt to be extended for new KVM features before full integration is done ● An easy way to test a new kvm/libvirt/linux feature ● ● Hooks
- 32. Linux Day 2016, Bergamo ● Hook scripts are called at specific VM lifecycle events ● VDSM (management agent) Start ● Before VM start ● After VM start ● Before VM migration in/out ● After VM migration in/out ● Before and After VM Pause ● Before and After VM Continue ● Before and After VM Hibernate ● Before and After VM resume from hibernate ● On VM stop ● On VDSM Stop ● Hooks can modify a virtual machines XML definition before VM start ● Hooks can run system commands – eg. Apply firewall rule to VM Hooks
- 33. Linux Day 2016, Bergamo ● CPU pinning ● SR/IOV ● Smart card ● Direct LUN ● Hugepages ● Promiscuous mode network interface ● Cisco VN-Link ● Fileinject ● Floppy ● Hostusb ● Isolated private vlan ● Numa ● Qos ● Scratchpad ● smbios Sample Hooks
- 34. Linux Day 2016, Bergamo ● More info at: https://labs.ovido.at/monitoring/wiki/ovirt-monitoring-ui-plugin UI-Plugin: oVirt Monitoring sub-tab
- 35. Linux Day 2016, Bergamo oVirt – Jenkins Some oVirt CI stats: Avg Builds per day: ● Started with 500 ● Today over 1250 (!) ● Highest Builds per day: 9000 oVirt matrix support: ● Fedora: f22,f23 ● Centos: el6, el7 ● JDK7,JDK8 ● Development branches: master, 3.6, 3.6.z
- 36. Linux Day 2016, Bergamo oVirt – Foreman integration With ● Katello ● Foreman ● oVirt You'll have: ● Automatic discovery of new hosts ● Automatic provisioning of new hosts ● Automatic deployment making them hypervisors ● Manage their content and updates The feature pages: ● http://www.ovirt.org/develop/release-management/features/foreman/foremanintegration/ ● http://www.ovirt.org/develop/release-management/features/katellointegration/ ● http://www.ovirt.org/develop/release-management/features/engine/upgrademanager/
- 37. Linux Day 2016, Bergamo What’s Foreman ● Provision ● Configure ● Monitor
- 38. Linux Day 2016, Bergamo Foreman
- 39. Linux Day 2016, Bergamo What’s Katello ● Manage local yum and puppet repositories ● Sync remote repositories ● Create custom Content ● Show Errata updates ● Install Errata updates
- 40. Linux Day 2016, Bergamo oVirt – IAAC support Unofficial plugin exists for puppet https://forge.puppetlabs.com/jcannon/ovirt Official plugin exists for Ansible http://docs.ansible.com/ansible/ovirt_module.html Sample Ansible code for starting a VM: ovirt: instance_name: jenkins_vm01 state: started user: admin@internal password: secret url: https://ovirt.example.com
- 41. Linux Day 2016, Bergamo OpenStack Integration ● OpenStack Neutron External Network Provider http://bit.ly/22jVfE5 ● OpenStack Glance External Images Provider http://bit.ly/1R2Gc71 ● OpenStack Cinder External Volume Provider http://bit.ly/1Lqh79d
- 42. Linux Day 2016, Bergamo ManageIQ Integration oVirt Engine oVirt Node VM VM Controller Nodes Compute Nodes Instance Instance Identity Management capacity, utilization, events collection, state and config Virtual Machine Database Management Interface reporting, policy enforcement, event monitor Storage Management Network
- 43. Linux Day 2016, Bergamo ManageIQ Integration
- 44. Linux Day 2016, Bergamo Questions? Stefan Baudy- CC BY 2.0 - No modification made
- 45. Linux Day 2016, Bergamo THANK YOU! http://www.ovirt.org stirabos@redhat.com