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CloudStack Overview

Session on CloudStack, intended for new users to CloudStack, provides an overview to varied audience levels information on usages, use cases, deployment and its architecture.

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CloudStack Overview

  1. 1. Apache CloudStack Santhosh Kumar Edukulla
  2. 2. Agenda • Overviewof CloudStack • Few numbers, Users, Introduction etc. • CloudStack Overview andArchitecture. • Demo of CloudStack • CloudStack Use Cases, Community and Getting Involved • Q&A
  3. 3. What is Apache CloudStack? Apache CloudStack is a scalable, multi-tenant, open source, purpose- built, cloud orchestration platform for delivering turnkey Infrastructure- as-a-Service clouds. the most mature, most scalable, most proven IaaS platform available today.
  4. 4. Characteristics of Clouds • On-Demand Self-Service • Broad Network Access • Resource Pooling • Rapid Elasticity • Measured Service • API Access CLOUD VIRTUALIZATION
  5. 5. Cloud Service Models USER CLOUD a.k.a. SOFTWARE AS A SERVICE Single application, multi-tenancy, network-based, one-to-many delivery of applications, all users have same access to features. Examples: Salesforce.com, Google Docs DEVELOPMENT CLOUD a.k.a. PLATFORM-AS-A-SERVICE Application developer model, Application deployed to an elastic service that autoscales, low administrative overhead. No concept of virtual machines or operating system. Code it and deploy it. Examples: VMware CloudFoundry, Google AppEngine, Windows Azure, Rackspace Sites, Red Hat OpenShift, Active State Stackato, Appfog SYSTEMS CLOUD a.k.a INFRASTRUCTURE-AS-A-SERVICE Servers and storage are made available in a scalable way over a network. Examples: EC2,Rackspace CloudFiles, OpenStack, CloudStack, Eucalyptus, OpenNebula
  6. 6. Deployment Models
  7. 7. CloudStack History • 2008 – Vmops launches (rebrands Cloud.com) • April 2010 – Cloud.com Releases CloudStack under GPLv3 • July 2011 - Citrix acquires CloudStack • April 2012 - CloudStack donated to Apache Software Foundation • November 2012 – First Apache CloudStack Release (4.0) • March 2013 - CloudStack becomes a top-level Apache project • 2014 – Majority of committers are not from Citrix
  8. 8. CloudStack Users (Education/Enterprises/Governments)
  9. 9. 9 CloudStack Users
  10. 10. Few Salient notes: • Open Source (Apache-Licensed) IaaS • Vast Community of Users and Providers • Written in Java* • Hypervisor Agnostic • Time-Based Releases • Proven product • Strong Apache governance model • 26 k commits • Peaked at 2.5 Million lines of code • 24k unique IP’s download our packages in last 12 months • 200 active code contributors • 81 project committers • 32 PMC members (20 organizations) • Over 100 people working on translation • 2500 mailing list msgs per month
  11. 11. CloudStack Architecture
  12. 12. CloudStack Layered view Commodity compute StorageNetworking Hypervisor CMP - Orchestration layer orchestration API eCommerce Platform Choice of Hypervisor (KVM, VMWare, Xen, hyper-V) Apache CloudStack Ecommerce platform CloudStack API Billing Config Management Networking compute Storage PaaS Developer tooling Multi-cloud management
  13. 13. CloudStack Deployment View
  14. 14. Pod 1 …. Cluster N Access Layer Host 2 Cluster 1 Simple view of CloudStack Architecture Host 1  Hypervisor is the basic unit of scale.  Cluster consists of one ore more hosts of same hypervisor  All hosts in cluster have access to shared (primary) storage  Pod is one or more clusters, usually with L2 switches.  Availability Zone has one or more pods, has access to secondary storage.  One or more zones represent cloud Primary Storage Zone 1 …. L3 core Secondary Storage Pod N CloudStack Management Server Internet
  15. 15. What CloudStack Provides
  16. 16. Feature Highlights •Easy Installation •Simple to configure and use in minutes. •Broad Hypervisor support(KVM, XenServer, Xen Cloud Platform, VMware via vCenter, Bare Metal via IPMI) •Easy plugin model •AWS API fidelity •Scalability, High Availability, Load Balancing •Broad vendor hardware for networking, storage support •Choice of interfaces — Web UI, command line, REST-based API • Developer friendly, easy to get started, add, refactor, contribute..(We will see in demo..)
  17. 17. • It’s the heart of the CloudStack system. • Manages the assignmentof guest VMs to particularhosts. Uses algorithms like First fit, Disperse, Fill first etc, supports overprovisioning. • Manages the assignmentof public and privateIP addressesto particularaccounts • Manages the allocationof storageto guestsas virtual disks.Managessnapshots, templates,and ISO images, possibly replicating them acrossdata centers The Management Server
  18. 18. Compute CloudStack Provides On-demand Access to Infrastructure Through a Self-Service Portal Citrix Confidential - Do Not Distribute Network Storage Admin Users Org A Admin Users Org B Users End User Admin
  19. 19. • CloudStack provides anAPI that gives programmaticaccessto all the management featuresavailable in the UI • The API enables the creation of command line tools and new user interfaces to suit particular needs • Authenticated on 8080 w/Keys • Unauthenticated on 8096 (off by default) • Python + Ruby clients available • Responses in XML or JSON API and Extensibility
  20. 20. Virtual Machine Management Users Start Stop Restart Destroy VM Operations Console Access • CPU Utilized • Network Read • Network Writes VM Status Change Service Offering 2 CPUs 1 GB RAM 20 GB 20 Mbps 4 CPUs 4 GB RAM 200 GB 100 Mbps
  21. 21. Volume & Snapshot Management Volume VM 1Add / Delete Volumes Schedule Snapshots Hourly Daily Weekly Monthly Now Create Templates from Volumes Volume Template View Snapshot History …. 12/2/2012 7.30 am 2/2/2012 7.30 am
  22. 22. Open Platform to Suit Customer Needs Compute XenServer VMware KVMOracle VM Bare metal Hypervisor Storage NFS Fiber Channel Swift Block & Object Local Disk iSCSI Network Network Type Load balancer Isolation Firewall VPN Network & Network Services
  23. 23. Multi-tenancy & Account Management • Domain is a unit of isolation that represents a customer org, business unit or a reseller • Domain can have arbitrary levels of sub- domains • A Domain can have one or more accounts • An Account represents one or more users and is the basic unit of isolation • Admin can limit resources at the Account or Domain Admin Cloud Domain Org A Admin Domain ResellerA Sub-Domain Org C Admin User 1 User 2 Account Group B GroupA Account Resources VMs, IPs, Snapshots… Resources VMs, IPs, Snapshots…
  24. 24. Primary: • Primarystorageis associatedwith a cluster • Storesthe disk volumes for all the VMs running on hosts in a cluster Secondary: • Secondary storage is associated with a zone and is available to all hosts in that zone. • Stores Templates - OS images used to createVMs, ISO,Disk volume snapshots(saved copies of VM data) Cloud Infrastructure – Storage
  25. 25. • One or more hosts grouped into a cluster • One or more clusters groupedinto a pod • One or more pods grouped into a zone • One or more zones controlledby one managementserver Cloud Infrastructure - Summary Pod Zone Second ary Storag e CloudStack Management Server
  26. 26. CloudStack Networking • Network Services: CloudStack manages various network services viz., DHCP, VLAN allocation, Firewall, NAT/Port forwarding, routing, VPN, Load Balancing, supported by various network hardware vendors. • Traffic Types: Management network, guest network, private network, public network, link local network. • Network Modes: Basic and Advanced
  27. 27. Basic Networking: Customer 1 Customer 2 192.168.1.55192.168.1.56192.168.1.57 192.168.1.58192.168.1.59192.168.1.60 Intern et Physica l Router CS Virtual Router VM 1 VM 2 VM 3 VM 1 VM 2 VM 3 • All zone tenants share a single flat public network • Tenant isolation provided by Security Groups • Hypervisor level firewall IP Address filtering • Layer 3 Isolation • Scales much better than VLANs • CloudStack virtual system provides dhcp, dns services etc.
  28. 28. • Multiple VLANs for isolation • L2TP-based VPN • Virtual routeris gateway • Load balancer available • 1:1 NAT • Meteringdata • One virtual router per account • Does not scale as well Advanced Networking: Intern et Physica l Router CS Virtual Router 1 VM VM VM CS Virtual Router 1 VM VM VM Public Network Customer Private Networks 2 3 Customer 1 2 3 Customer 2 VLAN 100 VLAN 200
  29. 29. Cloud Infrastructure – Large-Scale Redundant Network Secondary Storage Servers Primary Storage NFS Secondary Storage Pod1 Pod2 Layer-3 switches with firewall modules Layer-2 switches Internet Pyrimar Storage Primary Storage Primary Storage NFS Secondary Storage Internet Computing Nodes Managemen t Server Cluster Primary Storage Servers
  30. 30. Let’s Build Our Cloud  Requirements and configuration… Demo….
  31. 31. CloudStack Collaboration Conferences
  32. 32. Tooling and Support System • Marvin • CloudMonkey • Simulator • DevCloud • Ansible Recipes • Vagrant Support • Dockerized CS
  33. 33. Use Cases(Many…) • Private Cloud • Dual-Workload Private Cloud • Public Cloud (ISP/Providers) • Hybrid Cloud • Small to Very, Very Large • DevOps • AWS “insourcing”
  34. 34. Getting Involved… • website : http://cloudstack.apache.org/ • Mailing lists : • users-subscribe@cloudstack.apache.org • dev-subscribe@cloudstack.apache.org • Twitter: #cloudstack • Presentations: http://slideshare.net/cloudstack • IRC: #CloudStackon irc.freenode.net • GitHub : https://github.com/apache/cloudstack
  35. 35. Q && A Thanks! Questions: ? if “I KNOW”: return AnswerFactory.get_answer (“AnswerType”) else: “will find out and let you know” Santhosh Kumar Edukulla santhoshedukulla@apache.org Santhosh.edukulla@gmail.com

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Session on CloudStack, intended for new users to CloudStack, provides an overview to varied audience levels information on usages, use cases, deployment and its architecture.

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