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Designing CloudStack Clouds
- 1. Designing CloudStack Clouds Geoff Higginbottom CTO ShapeBlue geoff.higginbottom@shapeblue.com Twitter: @CloudStackGuru
- 2. Cloud Architect& ShapeBlue CTO @shapeblue #ccceu14 Specialise in…. Designing & Building Clouds based on Apache CloudStack / Citrix CloudPlatform Developing CloudStack training Blogging and sharing CloudStack knowledge Involved with CloudStack before donation to Apache Designed Clouds for Cloudera, SunGard, Ascenty, BskyB, Trader Media, M5 Hosting, Team Cymru, Interoute, University of Pennsylvania and many many more… CloudStack Committer About Me
- 3. About ShapeBlue “ShapeBlueare expert builders of public & private clouds. They are the leading global Apache CloudStack integrator & consultancy” @shapeblue #ccceu14
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- 6. Type of Cloud Public Enterprise Test & Dev @shapeblue #ccceu14
- 7. Requirements Integration Security Type Scale Workloads Monitoring SLAs Preferred Technologies User Experience Templates Portal Logging Managed Services Bursting Existing Skills Storage Time Scales @shapeblue #ccceu14
- 8. Design Team Billing CloudStack ‘Expert’ Storage @shapeblue #ccceu14 Marketing QA / Testing Networking Compute Product Development Support Decision Makers
- 9. Training Design Teamneed to understand CloudStack, so train them first @shapeblue #ccceu14
- 10. Design Cycle @shapeblue#ccceu14 Design is a reiterative process, with some design decisions impacting on others
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- 12. Workloads EnterpriseWorkloads should be a known quantity Public Cloud Workloads are unknown @shapeblue #ccceu14
- 13. Capacity Calculations @shapeblue#ccceu14 VM Profiles Memory CPU Storage Capacity Storage IOPS Hypervisor Overhead Storage Performance Network Performance
- 14. Hypervisor Choice Hypervisor Selection and Decisions in CloudStack by Tim Mackey http://open.citrix.com/cloud-computing-vids/video/latest/hypervisor-selection- and-decisions-in-cloudstack-by-tim-mackey.html @shapeblue #ccceu14 Existing Skills Feature Comparison Zone Type, Snapshots, VXLAN, IPv6, SDN, VPC, PVLAN, Storage Licensing Costs Supportability Traditional Server vs Blades More than one – Hypervisor Agnostic
- 15. Heavily influencedby Requirements, @shapeblue #ccceu14 Scale, and Zone modes Is often the driver for other technology choices Avoid single points of failure Keep it simple Networking
- 16. Zone Networking Modes ‘One size sits fits all’ may not be the best approach Each Zone can be a different Network Type @shapeblue #ccceu14 Basic Basic + Security Groups Basic + Security Groups + EIP / ELB Advanced Advanced + Security Groups
- 17. Hypervisor Networking @shapeblue#ccceu14 How many NICs 10GB / 1GB Bonding / Multipath Converged Traffic Allocations Management Guest Public Storage High Bandwidth Services
- 18. Storage PrimaryStorage Local Lack of HA Shared NFS iSCSI Fibre Channel Performance is critical, IOPS are king @shapeblue #ccceu14
- 19. Storage SecondaryStorage NFS S3 Swift @shapeblue #ccceu14
- 20. @shapeblue #ccceu14 Resource Allocation All Public Some Public, Some Dedicated All Dedicated Reseller Model Account/Domain Relationship 1-to-1 1-to-many Domains and Accounts
- 21. @shapeblue #ccceu14 Allocate resources to VMs CPU RAM Storage Performance Tagging Cost associated with them Public or Private (linked to Domains) Keep them realistic Service Offerings
- 22. Templates & ISOs @shapeblue #ccceu14 Pre-Defined VM images Base OS, or fully installed Apps Licensing (RHEL, Windows) Self Build via ISOs Allow user generated Public? Allow user upload / download? Lifecycle Management
- 23. Testing Definetest and acceptance criteria Develop test plans (manual UI and scripted API) Run tests to confirm initial build is good Use tests for testing future upgrades and expansions @shapeblue #ccceu14
- 24. Add on Services Managed Services @shapeblue #ccceu14 Billing Object Storage VM Monitoring Backup Anti Virus
- 25. Management Farm CloudStackManagement @shapeblue #ccceu14 SQL DB LDAP DNS Load Balancers Portal Billing Monitoring 3rd Party Services Automation Admin vCenter
- 26. DC2 Software ManagementFarm Primary Storage Network (iSCSI or NFS) Secondary Storage Network (NFS) Example Logical Network Diagram Dual Zone Ver Date Description Issuer/ Reviewer @shapeblue #ccceu14 DC1 Software Management Farm CS Management Servers CS MySql Servers NetScaler VPXs CM Automation Server Deployment Server Amysta App Server Amysta MySQL Server Management Network Management Hosts Compute Hosts Guest Networks (Multiple VLANs) Public Networks (Multiple VLANs) Secondary Storage Network (NFS) Primary Storage Network (iSCSI or NFS) Secondary Primary DC1 Compute Management VMs Storage Network CS Management Servers CS MySql Servers NetScaler VPXs CM Automation Server Deployment Server Amysta App Server Amysta MySQL Server Core Network Management Hosts Management VMs Storage Network Guest Networks Compute Hosts (Multiple VLANs) Public Networks (Multiple VLANs) Primary Secondary Users Portal Access WWW WWW WWW Tennant 1 Tennant 2 Tennant 3 Tennant 1 Tennant 2 Tennant 3 Private Cloud Tennant VMs on Compute in either DC1 or DC2 Each Network is isolated via VLANs or SDN technologies. Public Cloud Tennant VMs on Compute in either DC1 or DC2 Each Tennant has an Isolated Network protected by Virtual Router/Firewall. Each Network is isolated via VLANs or SDN technologies. Virtual Routers Public Networks are connected directly to the Internet enabling users to have full control of Firewall & Load Balancing features. DC2 Compute Public Network(s) Virtual Routers Guest Networks Guest VMs Management Network Client access to Portal is Global Load Balanced by Citrix NetScaler VPXs running on Management Farm using One-Arm Configurations Firewall functionality should be provided by existing Firewalls running in HA Pair Direct Access to Virtual Routers 1.0 15/08/13 1st releas e G Higginbottom / G Sirett Network Diagram
- 27. Just the oneCloud? @shapeblue #ccceu14 Production Very Strict Configuration Management Pre-Production Same design as Production Smaller, but with all key components Strict Configuration Management Testing Probably gets rebuilt every few months
- 28. “Build it andthey will come” is the motto of a fool. “Build it, take it to them, ask them to buy and serve them well” is the motto of a successful person. © Larry Winget @shapeblue #ccceu14
- 29. “Design for tomorrow, build for today” © Geoff Higginbottom 2013 @shapeblue #ccceu14
- 30. Designing CloudStack Clouds Geoff Higginbottom CTO ShapeBlue geoff.higginbottom@shapeblue.com Twitter: @CloudStackGuru