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Lab Zero: A First Experiment using GENI

Lab Zero: A First Experiment using GENI. Sarah Edwards, GENI Project Office. Hands On Exercise. Do a Simple Experiment in GENI Reserve two VMs connected at Layer 2. VM. VM. Layer 2. Understand GENI Terminology. project. slice. experimenter. resource. aggregate.

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Lab Zero: A First Experiment using GENI

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  1. Lab Zero:A First Experiment using GENI Sarah Edwards, GENI Project Office

  2. Hands On Exercise Do a Simple Experiment in GENI Reserve two VMs connected at Layer 2 VM VM Layer 2

  3. Understand GENI Terminology project slice experimenter resource aggregate

  4. Use the GENI Portal and Flack

  5. Experiment Workflow • Part I: Design/Setup • Part II: Execute • Part III: Finish

  6. The GENI Portal is… A web-based tool for experimenters to manage experimenters, projects, and slices. Includes simple tools to reserve resources. More to come in the future.

  7. Flack is … A graphical user interface (GUI) for: • designing topologies in GENI • reserving resources in GENI

  8. Experimenter An experimenteris a researcher who uses GENI resources Different types of experimenters have different roles and permissions: • Advisor vs Grad Student • Teacher vs TA vs Student Experimenter

  9. Projects Project Projects organize research in GENI Projects contain both peopleand their experiments A project is led by a single responsible individual: the projectlead Today we will use a project created for Winter Camp Lead Members Slice

  10. Experiment Workflow • Part I: Design/Setup • Part II: Execute • Part III: Finish

  11. Part I: Establish Management Environment 1 Pre-work: Design your experiment 2.1 Pre-work: Create a GENI account 2.2 Pre-work: Project lead (aka professor) adds you to project Project Name: GREEWC14 2.3 Generate and Download SSH Keypair Tutorial instructions: http://groups.geni.net/geni/wiki/GENIEducation/SampleAssignments/LabZero/Procedure

  12. Creating a GENI account • GENI Portal is at: https://portal.geni.net • Instructions for creating an account are: http://groups.geni.net/geni/wiki/SignMeUp

  13. InCommon Leverage InCommonfor single sign-on authentication Experimenters from 304 educational and research institutions have InCommon accounts • For many experimenters: • no new passwords • familiar login screens

  14. Using ssh with a public/private keypair Login to all GENI compute resources using ssh with a private key There are several ways to offer your private key to ssh. Today we will use a tool called an ssh agent. $ ssh-add ~/.ssh/id_geni_ssh_rsa $ sshusername@hostname -p 12345 No password! You should never be prompted for a password to log into a GENI compute node. If you are, something has always gone wrong.

  15. Expiration and renewal slice expiration time ≤ project expiration time each resource expiration time ≤ slice expiration time each resource expiration time ≤ aggregate’s max expiration project slice resource resource (optional) project expiration time resource resource expiration time slice expiration time now In general, to extend the lifetime of your resource reservation, you must renew the slice and allresources

  16. You are here Profile Help Map Projects Slices Tools Log Messages

  17. Generate SSH Keys Login Join Project 2

  18. On your local machine… > mv ~/Downloads/id_geni_ssh_rsa ~/.ssh/. > chmod 600 ~/.ssh/id_geni_ssh_rsa > ssh-add ~/.ssh/id_geni_ssh_rsa 2

  19. Resource A resourceis a piece of infrastructure A resource can be real or virtual. Resource specifications (aka. RSpecs)are used to describe and request resources. Examples: • Compute: computer vs virtual machine (VM) • Wireline Network: VLAN or OpenFlow • Wireless: WiMAX

  20. Aggregate InstaGENI Rack ExoGENI Rack An aggregatemanages a set of reservableresources Aggregates include: GENI racks OpenFlow WiMAX

  21. Slice A sliceis a container of resources used in an experiment. A slice can contain resources from one or more aggregates A slice is in a single project A slice has an expiration Slice names are public, reusable and unique (within a project)

  22. Putting it all together Member: project Lead: Experimenter (aka Professor) slice Experimenter (aka Student) aggregate resource resource Layer 2

  23. Part Icontinued:Obtain Resources slice 3.1 Create a slice 3.2 (optional) Renew your slice 3.3 Reserve two VMs at on aggregate 3.4 Check Whether VMs are Ready to be Used VM VM Layer 2

  24. Create Slice 3.1

  25. Extend slice expiration 3.2

  26. Launch Flack 3.3

  27. username slice name all available aggregates 3.3 Launch Flack

  28. Draw two VMs connected by a link 3.3

  29. Change names of VMs 3.3

  30. Set IP and mask of interfaces 3.3

  31. 3.3 Reserve resources

  32. Resources are READY!!! 3.4

  33. Experiment Workflow • Part I: Design/Setup • Part II: Execute • Part III: Finish

  34. Part II: Execute Experiment Internet ssh 4.1 Login to nodes (two nodes: client & server) 4.2 (optional) Download and compile experiment software 5 Execute experiment 5.1 Send IP Traffic 5.2 (optional) Disable IP and send Layer 2 (non-IP) Traffic 6.1 Logout of nodes Control Interfaces client server Layer 2 Data Interfaces Experimenter

  35. Login 4.1

  36. 4.2 5.1 $ wget …/pingPlus-0.2.tar.gz $ tar xvfz pingPlus-0.2.tar.gz $ sudo apt-get update $ sudo apt-get install build-essential $ cd pingPlus-0.2 $ make $ sudoifconfig client $ wget…/pingPlus-0.2.tar.gz $ tar xvfz pingPlus-0.2.tar.gz $ sudo apt-get update $ sudo apt-get install build-essential $ cd pingPlus-0.2 $ make $ sudoifconfig server

  37. Worksheet 5.1 Project Name: GREEWC14 Slice Name: lab0<your initials> Client Server Control Interface Name eth ___ IP Address __ . __ . __ . __ Data Interface Name eth ___ IP Address 10 . 10 . 0 . 2 Subnet Mask 255 . 255 . 255 . 0 MAC Address __ : __ : __ : __ : __ : __ Control Interface Name eth ___ IP Address __ . __ . __ . __ Data Interface Name eth ___ IP Address 10 . 10 . 0 . 1 Subnet Mask 255 . 255 . 255. 0 EtherType: 10001

  38. # disable IP on your nodes $ sudo service neucastop $ sudoifconfigeth1 0.0.0.0 # start L2 server $ sudopingPlusListener11001 $ exit 5.1 5.2 6.1 # should SUCCEED $ ping 10.10.0.2 –c 5 # disable IP on your nodes $ sudo service neucastop $ sudoifconfigeth1 0.0.0.0 # should FAIL $ ping 10.10.0.2 –c 5 # start L2 client $ sudopingPlus01:02:03:04:05:06 eth1726 19001 $ exit client server

  39. Experiment Workflow • Part I: Design/Setup • Part II: Execute • Part III: Finish

  40. Part III: Finish Experiment When your experiment is done, you should always release your resources. • Normally this is when you would archive your data • Delete your resources at each aggregate project resource experimenter aggregate slice

  41. 7 Delete Resources

  42. Congratulations! You have… • Run your first GENI Experiment! • Exercised your knowledge of GENI terminology • Used the GENI Portal and Flack

  43. Welcome to GENI!

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