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Groovy DevOps in the Cloud

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This presentation focuses on a set of tools used to automate the provisioning of (cloud) servers, using Groovy libraries and Gradle plugins. We will explore how to leverage these to create an infrastructure for building, configuring and testing the provisioning of boxes in the cloud – elegant and groovy.

Java/Groovy developers interested in reusing their existing skills for infrastructure provisioning and learning more about problems encountered during system operations should come to this presentation.

Published in: Technology
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Groovy DevOps in the Cloud

  1. 1. Groovy DevOps in the Cloud 01
  2. 2. About us 02
  3. 3. Luciano Fiandesio • • • • Bio: Developer, speaker, author, kitchen hacker Company: Aestas/IT (http://aestasit.com) E-mail: luciano@aestasit.com Linkedin: http://www.linkedin.com/in/lucianofiandesio 03
  4. 4. Andrey Adamovich • • • • Bio: Developer, coach, speaker, author Company: Aestas/IT (http://aestasit.com) E-mail: andrey@aestasit.com Linkedin: http://www.linkedin.com/in/andreyadamovich 04
  5. 5. What's this presentation about? Our take on: • • • • DevOps Software Provisioning Continuous Integration Continuous Delivery 05
  6. 6. Technologies • • • • • AWS - http://aws.amazon.com Groovy - http://groovy.codehaus.org Gradle - http://gradle.org Jenkins - http://jenkins-ci.org Puppet - http://puppetlabs.com 06
  7. 7. Developers + Operations = ? 07
  8. 8. Silos 08
  9. 9. Conflicts 09
  10. 10. Risk 10
  11. 11. Agile 11
  12. 12. What is DevOps? 12
  13. 13. Infrastructure as Code Automate the provisioning and maintenance of servers: • • • Build from source control Utilize Open Source tools Ensure testability 13
  14. 14. Configuration propagation 14
  15. 15. Changes No Manual Changes! 15
  16. 16. Building a DevOps toolkit • • • • Automation is key We are JVM hackers Fragmented ecosystem Full-stack approach 16
  17. 17. Sshoogr 17
  18. 18. Sshoogr Features • • • Remote command execution File uploading/downloading Tunneling 18
  19. 19. Sshoogr Example I 0 .r m t S s i n { 1 eoeeso 0. 2 ul='sr:531lclot22' r ue2642@oahs:22 0. 3 ee 'm-f/m/' xc r r tp* 0. 4 ee 'oc /a/okm.i' xc tuh vrlc/ypd 0. 5 rmtFl(/a/ycn'.et="nbe=re eoeie'vrm.of)tx ealdtu" 0 .} 6 19
  20. 20. Sshoogr Example II 0 .r m t S s i n { 1 eoeeso 0. 2 sp{ c 0. 3 fo {lcli "bidi/plcto"} rm oaDr $ulDrapiain 0. 4 it {rmtDr'vrbadmi/plcto'} no eoei /a/e/oanapiain 0. 5 } 0 .} 6 20
  21. 21. Sshoogr Example III 0 .d f r s l = e e ( o m n : ' u r b n m c d , 1 e eut xccmad /s/i/ym' 0. 2 fiOErr fle soOtu:fle alnro: as, hwupt as) 0 .i ( e u t e i S a u = 1 { 3 f rsl.xttts = ) 0. 4 rsl.uptecLn {ln eutotu.ahie ie > 0. 5 i (iecnan(WRIG) { f ln.otis'ANN') 0. 6 trwnwRniexeto(Wrig!" ho e utmEcpin"ann!!) 0. 7 0. 8 0 .} 9 21 } }
  22. 22. Why Groovy? • • • • Groovy is perfect choice for scripting Very mature, concise syntax Extremely easy to produce DSL We wrote a book about it! 22
  23. 23. Shameless plug 23
  24. 24. Puppet 24
  25. 25. What is Puppet? • • Puppet Labs https://puppetlabs.com 25
  26. 26. Why Puppet? • • • • More mature than competition Large community Ruby-based DSL No need to learn Ruby ;) 26
  27. 27. Puppet example 27
  28. 28. Puppet provisioning 28
  29. 29. Puppet provisioning 29
  30. 30. Puppet provisioning 30
  31. 31. Puppet provisioning 31
  32. 32. Puppet state management 32
  33. 33. Puppet state management 33
  34. 34. Puppet state management 34
  35. 35. Puppet modules 35
  36. 36. Puppet modules 36
  37. 37. Puppet modules 37
  38. 38. Continuous Integration 38
  39. 39. Why Jenkins? • • • De-facto standard Stable There is a plugin for that! 39
  40. 40. Services Partner 40
  41. 41. Gradle Example I 0 .t s u l a M d l s < { 1 ak podoue < 0. 2 rmtSsin{ eoeeso 0. 3 ee 'm-f/m/eozp xc r r tprp.i' 0. 4 sp{ c 0. 5 fo {lclie"{ulDr/eozp } rm oaFl $bidi}rp.i" 0. 6 it {rmtDr"ro"} no eoei /ot 0. 7 } 0. 8 .. . 41
  42. 42. Gradle Example I 0. 1 .. . 0. 2 ee 'm-f/t/uptmdls xc r r ecppe/oue' 0. 3 ee 'ni /m/eozp- /t/uptmdls xc uzp tprp.i d ecppe/oue' 0. 4 } 0 .} 5 42
  43. 43. Gradle Example II 0 .t s p p e A p y d p n s n u l a M d l s < { 1 ak uptpl(eedO: podoue) < 0. 2 rmtSsin{ eoeeso 0. 3 sp{ c 0. 4 fo {lclie"{ulDr/eu.p } rm oaFl $bidi}stpp" 0. 5 it {rmtDr"tp } no eoei /m" 0. 6 } 0. 7 ee 'uptapy/m/eu.p xc ppe pl tpstpp' 0. 8 0 .} 9 43 }
  44. 44. Jenkins example 44
  45. 45. In the meanwhile... • • • We started developing complex Puppet modules Modules needs proper testing ...on different platforms 45
  46. 46. Do you test, right? • • • How to test this stuff? How to reuse a JUnit approach to testing? We wanted things to be SIMPLE! 46
  47. 47. PuppetUnit 47
  48. 48. PUnit • • • • Simple testing tool for verifying remote server state Uses sshoogr and JUnit Reuse reporting features of JUnit and Jenkins As simple as ... 48
  49. 49. PUnit Example I 0 .c a s D r y n t l T s 1 ls ebIsalet 0. 2 etnsBsPpeItgainet{ xed aeuptnertoTs 0. 3 @eoe Bfr 0. 4 vi isaleb( { od ntlDry) 0. 5 apy"nld dry) pl(icue eb" 0. 6 } 0. 7 .. . 0 .} 8 49
  50. 50. PUnit Example II 0 .@ e t 1 Ts 0 .d f v i e s r D r y u n n ( { 2 e od nueebRnig) 0. 3 cmad'evc drysau >dryttslg) omn(srie eb tts ebsau.o' 0. 4 asrTu flTx(/otdryttslg) setre ieet"ro/ebsau.o" 0. 5 .otis'eb' cnan(Dry) 0. 6 asrTu flTx(/otdryttslg) setre ieet"ro/ebsau.o" 0. 7 .otis'srnig' cnan(i unn.) 0 .} 8 50
  51. 51. PUnit Example III 0 .@ e t 1 Ts 0 .d f v i e s r C n o n c ( { 2 e od nueaCnet) 0. 3 Tra.le(00) hedsep100 0. 4 ulaSrp( podcit) 0. 5 cmad'otdryd-eb-0910bnbni '+ omn(/p/eb/bdry1...-i/i/j 0. 6 'etaacitsl>dryetlg) tsDtSrp.q ebts.o' 0. 7 .. . 51
  52. 52. PUnit Example III 0. 1 .. . 0. 2 / Ceki telgo teisr / hc f h o f h net 0. 3 / oeaincnan tewr ERR / prto otis h od RO. 0. 4 asrFle setas( 0. 5 "h srp sol rtrea latoeerr, Te cit hud eun t es n ro" 0. 6 flTx(/otdryetlg) ieet"ro/ebts.o" 0. 7 .otis'RO' cnan(ERR) 0. 8 ) 0. 9 .. . 52
  53. 53. PUnit Example III 0. 1 .. . 0. 2 / Ceko dt ta wsisre it atbe / hc n aa ht a netd no al. 0. 3 asrTu( setre 0. 4 "h lgsol cnanaSLC rsl" Te o hud oti EET eut, 0. 5 flTx(/otdryetlg) ieet"ro/ebts.o" 0. 6 .otis'rn Ae' cnan(Gad v.) 0. 7 ) 0 .} 8 53
  54. 54. PUnit 54
  55. 55. Next problem? 55
  56. 56. Scalability • • • How do we test on different OS? How do we run parallel tests on multiple architectures? How do we avoid selling our houses? 56
  57. 57. Amazon Web Services 57
  58. 58. Elastic Compute Cloud • • • • Mature Great API Virtual hardware variety OS variety 58
  59. 59. EC2 Console 59
  60. 60. Gramazon 60
  61. 61. Gramazon • • Groovy based API for interacting with EC2 Integrates with the rest of the stack 61
  62. 62. Gramazon Example I 0 .t s s a t n t n e t p : S a t n t n e { 1 ak trIsac(ye trIsac) 0. 2 kyae eNm 0. 3 scrtGop'lu-o euiyru codd' 0. 4 isacNm 'rmzncodd' ntneae gaao/lu-o 0. 5 saeieae'lu-ojo' ttFlNm codd.sn 0. 6 ai m 0. 7 isacTp '1mco ntneye t.ir' 0. 8 wiFrtr tu atoSat re 0 .} 9 62 'lu-o codd' 'm-f748 ai60e1'
  63. 63. Gramazon Example II 0 .t s t r i a e n t n e t p : T r i a e n t n e { 1 ak emntIsac(ye emntIsac) 0. 2 saeieae'lu-ojo' ttFlNm codd.sn 0 .} 3 63
  64. 64. Costs considerations Name Compute Units Memory Hourly Cost t1.micro 2 0.60 GB $0.02 m1.small 1 1.70 GB $0.06 c1.medium 5 1.70 GB $0.14 m1.medium 2 3.75 GB $0.12 m1.large 4 7.50 GB $0.24 c1.xlarge 20 7.00 GB $0.58 m3.xlarge 13 15.00 GB $0.50 64
  65. 65. Free tier • 750 hours of Amazon EC2 Linux Micro Instance usage (613 MB of memory and 32-bit and 64-bit platform support) • Enough hours to run continuously each month 65
  66. 66. Security considerations • Host operating system • • • • All accesses logged and audited Customer-generated keypairs Stateful firewall • • Individual SSH keyed logins Mandatory inbound firewall, default deny mode Signed API Calls • 66 Require X.509 certificate or secret AWS key
  67. 67. Imgr 67
  68. 68. Imgr • • A tool for building images Inspired by Packer 68
  69. 69. Images? 69
  70. 70. Supports • • Shell Puppet 70
  71. 71. Configuration Example 71
  72. 72. The big picture 72
  73. 73. Aetomation 73
  74. 74. Conclusions • • • • • Reuse your existing Java knowledge ...to build a bridge between DEVs and OPs Reuse development best practices for OPs Don't be afraid to try new technologies Automate! 74
  75. 75. Reading material 75
  76. 76. Groovy 2 Cookbook 76
  77. 77. The Phoenix Project 77
  78. 78. Continuous Delivery 78
  79. 79. Programming Amazon EC2 79
  80. 80. Gradle in Action 80
  81. 81. Technologies to follow • • • • • • Vagrant - http://www.vagrantup.com/ Docker - https://www.docker.io/ Packer - http://www.packer.io/ Qemu - http://wiki.qemu.org/Main_Page jclouds - http://jclouds.apache.org/ Cloudbees - http://www.cloudbees.com/ 81
  82. 82. One more thing... 82
  83. 83. It's all Open Source! 83
  84. 84. Source code • • • • • Sshoogr: https://github.com/aestasit/sshoogr Sshoogr Gradle: https://github.com/aestasit/sshoogr-gradle PUnit: https://github.com/aestasit/puppet-unit Gramazon: https://github.com/aestasit/gramazon Imgr: https://github.com/aestasit/imgr 84
  85. 85. Seeking contributors! 85
  86. 86. Questions? 86
  87. 87. Paldies! Thank you! 87

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