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Infrastructure in the
             Cloud Era
        Adam Jacob - Co-Founder & CTO, Opscode
Ezra Zygmuntowicz - Co-Founder...
Please Join our Ad-Hoc
            Cloud
If you have a Mac with Developer Tools
              installed...
curl -O http://...
What are you guys
 talking about?




 curl -O http://brainspl.at/velocity.sh && sh velocity.sh
What are you guys
     talking about?

•   Bootstrapping




      curl -O http://brainspl.at/velocity.sh && sh velocity.sh
What are you guys
   talking about?

•Bootstrapping
• Configuration


   curl -O http://brainspl.at/velocity.sh && sh veloc...
What are you guys
   talking about?

•Bootstrapping
• Configuration
• Command and Control

   curl -O http://brainspl.at/ve...
Many
Different
 Tools
curl -O http://brainspl.at/velocity.sh && sh velocity.sh
Bootstrapping


curl -O http://brainspl.at/velocity.sh && sh velocity.sh
Bootstrapping Approaches
                          Good                          Bad               Time

                 ...
Why Time Matters
Total Bootstrapping Time in Weeks
                      Corp Approvals
                      Agile Approv...
Tools for Bootstrapping
  PXE Boot
     FAI
System Imager
  Kickstart
  Cobbler




              curl -O http://brainspl....
Bootstrapping Demo
                      Engine Yard Solo




Now would be a totally sweet time to pull out your Mac and r...
Configuration



curl -O http://brainspl.at/velocity.sh && sh velocity.sh
Manage
Complexity
 curl -O http://brainspl.at/velocity.sh && sh velocity.sh
java            logrotate bind postgresql
     rubygems                                    redmine
                 iptabl...
Configuration Approaches
                                Good                               Bad

                          ...
Tools for Configuration
    Chef, Puppet, Cfengine, Bcfg2, AutomateIT



       Shell Scripts, Perl, Python, Ruby, etc.



...
Infrastructure as Code



Manage configuration as idempotent Resources.
        Put them together in Recipes.
          Tra...
You need an API


You can learn more about Chef at http://wiki.opscode.com/display/chef/Home
           curl -O http://bra...
Command and Control



  You are running out of time to join the Ad-Hoc Cloud Party!
     curl -O http://brainspl.at/veloc...
Command and Control
                                   Good                             Bad

                             ...
Tools for Command
   and Control
              Nanite, Capistrano, Control Tier



           Shell Scripts, Perl, Python,...
Command and Control
     Demo


You can learn more about Nanite at http://github.com/ezmobius/nanite/tree/master
What else can you do?

• Application Deployment
• Starting and stopping services
• Maintenance
• You name it.
In Practice
Typical Peak Load


1.       Bring on capacity as traffic ramps up
2.       Take down capacity as it ramps down
3.         ...
Atypical Load
No way                                                                  However,
around                     ...
Lightning Strikes!
            DOOM


    Webservers




                 Database Servers




    Webservers
Lightning Strikes!
            DOOM

      X
    Webservers    XX
                 Database Servers




    Webservers
Lightning Strikes!
                         DOOM

                 X   1
                     1              2
           ...
1. Signal Command and
        Control
2. Analyze Responses
3. Rinse and Repeat
4.         Profit
1. Your infrastructure
      is disposable.
2. Make sure you can
  turn each layer off.
3. New efficiencies
   often lead t...
Q &A
                      Brought to you by...




  You can learn more about Chef at http://wiki.opscode.com/display/che...
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Infrastructure in the Cloud Era - Velocity 2009

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Infrastructure in the Cloud Era - Velocity 2009

  1. 1. Infrastructure in the Cloud Era Adam Jacob - Co-Founder & CTO, Opscode Ezra Zygmuntowicz - Co-Founder & Mad Scientist Engine Yard
  2. 2. Please Join our Ad-Hoc Cloud If you have a Mac with Developer Tools installed... curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  3. 3. What are you guys talking about? curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  4. 4. What are you guys talking about? • Bootstrapping curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  5. 5. What are you guys talking about? •Bootstrapping • Configuration curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  6. 6. What are you guys talking about? •Bootstrapping • Configuration • Command and Control curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  7. 7. Many Different Tools curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  8. 8. Bootstrapping curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  9. 9. Bootstrapping Approaches Good Bad Time Known Costs, No High Waste (Hoarding) Variation. Red Tape Corp Approvals Anything you want, as long Expensive ($/Time) 6-8w as IT pre-approved it. Long lead time Lower Waste Agile Corp Known Costs. Less Red Tape Total Hardware Control. Still slow 2-4w Approvals Trivial Approvals. Expensive ($/Time) Shorter lead time Variable Costs. Highly Adaptable. Variable Costs. Cloud Minimal lead time. Trivial approvals. No control over hardware. Must re-train. 5-10m No humans needed. curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  10. 10. Why Time Matters Total Bootstrapping Time in Weeks Corp Approvals Agile Approvals Cloud 8 6 4 2 0 Best Time 0 Worst Time curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  11. 11. Tools for Bootstrapping PXE Boot FAI System Imager Kickstart Cobbler curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  12. 12. Bootstrapping Demo Engine Yard Solo Now would be a totally sweet time to pull out your Mac and run... curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  13. 13. Configuration curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  14. 14. Manage Complexity curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  15. 15. java logrotate bind postgresql rubygems redmine iptables mongrel rails Manage perlbal memcached munin resolver nginx php logwatch ports ebuilds maradns erlang apt-proxy nagios openssh Complexity nscd sudo apache keepalived mysql trac dpkgs ntp openldap rpms ipvsadm jira rsync subversion couchdb curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  16. 16. Configuration Approaches Good Bad Slow. You can do anything. Error Prone (Bus Error!) Manual Results in an intimate knowledge of the details. Non-repeatable. Difficult knowledge transfer. Rarely idempotent. More repeatable. Hard to collaborate. Ad-Hoc Knowledge is dispersed. Built your way, with your model. Brittle. No API. Repeatable. Infrastructure as Idempotent. Agile. Have to learn how to use it. Hard things remain hard. Code Sharable. Self documenting. Not magic. (Yet!) curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  17. 17. Tools for Configuration Chef, Puppet, Cfengine, Bcfg2, AutomateIT Shell Scripts, Perl, Python, Ruby, etc. Operating System tools Your favorite text editor curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  18. 18. Infrastructure as Code Manage configuration as idempotent Resources. Put them together in Recipes. Track it like source code. Configure your servers. You can learn more about Chef at http://wiki.opscode.com/display/chef/Home curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  19. 19. You need an API You can learn more about Chef at http://wiki.opscode.com/display/chef/Home curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  20. 20. Command and Control You are running out of time to join the Ad-Hoc Cloud Party! curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  21. 21. Command and Control Good Bad Super flexible. Error Prone. Can do almost anything. Slow. Meatcloud* Always easy to find someone to blame. Expensive to Scale. Not repeatable. Free will. Free will. One-off by neccessity. More repeatable. Tooling sprawl. Ad-Hoc Easier to scale. Less error prone (hopefully!) Hard to share solutions. Much higher learning curve. One system to learn. Scales well. Not everything maps cleanly. Framework Paint by numbers. Repeatable. Trades depth of knowledge for ease of use. Two-Way. *Meatcloud appears in this presentation courtesy of Andrew Shafer - http://is.gd/Ega Last Chance! - curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  22. 22. Tools for Command and Control Nanite, Capistrano, Control Tier Shell Scripts, Perl, Python, Ruby, etc. You Your co-workers Last Chance! - curl -O http://brainspl.at/velocity.sh && sh velocity.sh
  23. 23. Command and Control Demo You can learn more about Nanite at http://github.com/ezmobius/nanite/tree/master
  24. 24. What else can you do? • Application Deployment • Starting and stopping services • Maintenance • You name it.
  25. 25. In Practice
  26. 26. Typical Peak Load 1. Bring on capacity as traffic ramps up 2. Take down capacity as it ramps down 3. 10-15 Minutes on either side, fully unattended Graphs in this portion of the presentation taken from Theo Schlossnagle http://omniti.com/seeds/dissecting-todays-internet-traffic-spikes
  27. 27. Atypical Load No way However, around you are Capacity still better Planning off! 1. Hope you know it is coming. 2. Increase capacity in advance. 3. Take down capacity as it ramps down. Graphs in this portion of the presentation taken from Theo Schlossnagle http://omniti.com/seeds/dissecting-todays-internet-traffic-spikes
  28. 28. Lightning Strikes! DOOM Webservers Database Servers Webservers
  29. 29. Lightning Strikes! DOOM X Webservers XX Database Servers Webservers
  30. 30. Lightning Strikes! DOOM X 1 1 2 1 Signals Moar! Monitoring System Updates 5 2 1 Command & Webservers Control XX 3 1 Bootstrapping Provisions 1 3 1 Database Servers 4 1 4 1 Configuration Webservers
  31. 31. 1. Signal Command and Control 2. Analyze Responses 3. Rinse and Repeat 4. Profit
  32. 32. 1. Your infrastructure is disposable. 2. Make sure you can turn each layer off. 3. New efficiencies often lead to new hard problems.
  33. 33. Q &A Brought to you by... You can learn more about Chef at http://wiki.opscode.com/display/chef/Home You can learn more about Nanite at http://github.com/ezmobius/nanite/tree/master Chef BoF, tonight at 7:30 PM

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