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DevOps

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DevOps

  1. DevOps<br />@matthew_jones<br />mjones@itree.com.au<br />
  2. Dev or Ops?<br />6 Days after a successful deployment, the server experiences high load.<br />
  3. Dev or Ops?<br />There is an issue with the build server.<br />Code isn’t building.<br />
  4. Dev or Ops?<br />Software is deployed to the test environment.<br />You can’t login to the application.<br />
  5. Dev vs. Ops<br />
  6. “It works on my machine...”<br />
  7. “It’s not the server, it’s your code.”<br />
  8. What is the role of Dev and Ops?<br />
  9. What are the roles of Devs and Ops?<br />Dev<br />Create change<br />Add or modify features<br />Ops<br />Create stability<br />Create or enhance services<br />
  10. What are the roles of Devs and Ops?<br />Dev<br />Create change<br />Add or modify features<br />Ops<br />Create stability<br />Create or enhance services<br />
  11. We Have A Problem...<br />
  12. The Problem<br /><ul><li>Disconnect between the groups
  13. Results in conflict and inefficiencies
  14. Devs don’t deploy consistent software
  15. Ops are motivated to resist change
  16. Development process is Agile
  17. Operations process is Static</li></li></ul><li>And we are missing the point of it all...<br />
  18. We are all here to ENABLE business<br />
  19. So What’s All This Change?<br />
  20. Change<br />Is required for business<br />Doesn’t mean outages<br />Should be exploited and not feared<br />
  21. Change shouldn’t mean fire fighting<br />
  22. DevOps To The Rescue!<br />
  23. What is DevOps?<br />“DevOps is an approach to bridge the gap between agile software development and operations” – agileweboperations.com<br />Collaborative Mindset of Devs and Ops<br />It’s what Agile is to software development<br />C.A.M.S.<br />
  24. Culture<br />
  25. Culture<br />Relationships<br />Engage early, engage often<br />Bust Silos TM<br />Be open<br />Stop finger pointing<br />Eradicate “last-mile syndrome”<br />
  26. Culture<br />Communication<br />Talk is cheap (get out of your chair)<br />Involve each other in core processes and decisions<br />Ask Questions<br />Don’t say “no”<br />Invite everyone to stand-ups and retrospectives<br />
  27. Automation<br />
  28. Automation<br />Machines are really good at doing the same task over and over<br />Consistent and Known State<br />Fast and Efficient<br />5 mins/day = 2.6 days/year<br />
  29. Automation<br />What can be automated?<br />Builds<br />Deployments<br />Testings<br />Monitoring<br />Self-healing<br />System rollouts<br />System configuration<br />
  30. Metrics<br />
  31. Metrics<br />Capture, learn, improve.  <br />Assists in:<br />Capacity Planning<br />Trend Analysis<br />Fault Finding<br />Simple as saving Tomcat access info<br />Plotted on a graph over time<br />
  32. Metrics<br />
  33. Sharing<br />
  34. Sharing<br />Share Ideas<br />Share Metrics<br />Ops: Give devs shell access<br />Devs: See what technology can be leveraged<br />
  35. DevOps Lifecycle<br />
  36. Before<br /><ul><li>Talk about functional requirements
  37. Talk about non-functional requirements
  38. Security
  39. Backups
  40. Availability
  41. Upgradeability
  42. Configuration Mgmt
  43. Monitoring
  44. Logging
  45. Metrics</li></li></ul><li>During<br />Communication<br />Source Control<br />Automate Builds<br />Automate Tests<br />Automate Deployments (Dev, Test and Prod)<br />Collate App and System Metrics<br />
  46. After<br />Release<br />Retrospective Meetings<br />Continue to Run Tests<br />Monitor Applications and Systems<br />Issues (Yes, they do happen)<br />Post Mortem Meetings<br />
  47. What are we doing?<br />
  48. Puppet<br />
  49. Automated System Admin 101<br />
  50. Automated System Admin 101<br />Puppet Lives Here<br />
  51. Configuration Management Tool<br />Open Source (FTW!)<br />Infrastructure Is Code<br />Confidence of System State<br />Lather, Rinse, Repeat...<br />Puppet<br />
  52. nodedefault {<br />includesudo<br />includentp<br />includessh<br />}<br />nodeproject-dev01inheritsdefault {<br />include jdk6<br />include tomcat55<br />include fonts<br />}<br />nodeproject-test01inheritsdefault {<br />include jdk6<br />include tomcat6<br />include fonts<br />}<br />
  53. classsudo {<br />package { ["sudo"]:<br />ensure => latest,<br /> }<br />file { "/etc/sudoers":<br />owner => root,<br />group => root,<br />mode => 440,<br />source => "puppet:///files/sudo/sudoers",<br />require => Package["sudo"];<br /> }<br />}<br />
  54. Autobahn<br />
  55. Autobahn<br />Continuous Deployment Tool<br />Developed In-House<br />Automates Deployment Process<br />Grabs Builds from Hudson<br />Deploys to App Server<br />
  56. Autobahn<br />
  57. Summary<br /><ul><li>Bust Silos TM
  58. Culture
  59. Automation
  60. Metrics
  61. Sharing
  62. Ask yourself “Is my work creating business value?”</li></li></ul><li>More Info?<br /><ul><li>Podcasts
  63. DevOps Cafe
  64. Agile Executive
  65. Presentations
  66. Velocity
  67. DevOps Days
  68. Other
  69. Twitter: #devops
  70. Google Groups: agile-system-administration, devops</li></li></ul><li>Question Time<br />

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