Continuous Deployment at Etsy

•

3 likes•4,665 views

At Etsy our approach to development is to make small, incremental, continuous changes to the site. Deploying code to production anywhere between 20 to 40 times a day requires not only technical tooling, but also a culture that allows for and encourages innovation, confidence backed by actual data and comprehensive tests, and blameless post-mortems that allow for a feedback loop we can learn from and improve.

Technology

Etsy
Deployment
continuous
at
@premshreewebcamp zagreb 2015

1.5 million active sellers
21.7 million active buyers
$1.93 billion GMS (2014)
757 employees

enable innovation
(you are creating products, not code)

quick iteration
(improving products/features)

quick iteration
(fail fast > stagnant code)

continuous deployment
continuous delivery
/

$server_config['my_feature'] = [
'enabled' => 'on'
];

$server_config['my_feature'] = [
'enabled' => 'off'
];

$server_config['my_feature'] = [
'enabled' => 1
];

$server_config['my_feature'] = [
'enabled' => 1,
'bucketing' => 'user'
];

$if (Feature::isEnabled('my_feature') { ! }$

$if (Feature::isEnabledFor('my_feature', $user) { ! }$

$server_config['my_feature'] = [
'enabled' => [
'layout1' => 1,
'layout2' => 3,
'layout3' => 3
]
];

$if (Feature::isEnabled('my_feature')) { switch (Feature::variant('my_feature')) { case 'layout1': // layout1 code break; case 'layout2': // layout2 code break; } }$

continuous integration
(and automated tests)

commit build tests user tests release
try

commit build tests user tests release
try deployinator

Deployinator
github.com/etsy/deployinator

commit build tests user tests release
try deployinator ci/jenkins

commit build tests user tests release
try deployinator ci/jenkins manual tests

commit build tests user tests release
try deployinator ci/jenkins manual tests deploy

http://www.ﬂickr.com/photos/zsqr0000/5269002895

template changes
css tweaks
unreferenced code

$server_config['my_feature'] = [
'enabled' => 50,
'bucketing' => 'user'
];

commit build tests user tests princess prod

StatsD + Graphite
github.com/etsy/statsd

pre-flight check
ready to push
ready to deploy
testing/verification
confidence

pre-flight check
ready to push
ready to deploy
testing/verification
confidence
try/git hooks
push train/irc
deployinator
user testing
supergrep/dashboards

https://www.ﬂickr.com/photos/saschaaa/152502539/

culture + tooling
deploy
fail ok
post-mortem
remediation
stimulii

questions?
https://joind.in/15234 @premshree

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Continuous Deployment at Etsy

1. Etsy Deployment continuous at @premshreewebcamp zagreb 2015

3. 1.5 million active sellers 21.7 million active buyers $1.93 billion GMS (2014) 757 employees

4. Premshree Pillai Sr. Engineer, Etsy

5. bok

6. principles q & a tooling + culture

7. principles

8. just ship

9. enable innovation

10. enable innovation (you are creating products, not code)

11. optimize for purpose

12. optimize for purpose

13. optimize for autonomy

14. optimize for mastery

15. experimentation

16. experimentation A/B testing

17. quick iteration

18. quick iteration (improving products/features)

19. quick iteration (fail fast > stagnant code)

20. continuous improvement

21. low MTTR

22. tooling

23. continuous deployment continuous delivery /

24. commit

25. commit build

26. commit build tests

27. commit build tests user tests

28. commit build tests user tests release

29. commit build tests user tests release

30. commit build tests user tests release

31. frequent check-ins

32. frequent check-ins (to master!)

33. frequent check-ins branching in code

34. Feature

35. Feature github.com/etsy/feature

36. $server_config['my_feature'] = [ 'enabled' => 'on' ];

37. $server_config['my_feature'] = [ 'enabled' => 'off' ];

38. $server_config['my_feature'] = [ 'enabled' => 1 ];

39. $server_config['my_feature'] = [ 'enabled' => 1, 'bucketing' => 'user' ];

40. if (Feature::isEnabled('my_feature') { ! }

41. if (Feature::isEnabledFor('my_feature', $user) { ! }

42. Experimentation

43. Experimentation A/B testing

44. $server_config['my_feature'] = [ 'enabled' => 'on' ];

45. $server_config['my_feature'] = [ 'enabled' => [ 'layout1' => 1, 'layout2' => 3, 'layout3' => 3 ] ];

46. if (Feature::isEnabled('my_feature')) { switch (Feature::variant('my_feature')) { case 'layout1': // layout1 code break; case 'layout2': // layout2 code break; } }

47. continuous integration

48. continuous integration (and automated tests)

49. keep the build green

50.

51. ready to release

52. ready to release anytime

53. commit build tests user tests release try

54. Try

55. Try (before you commit)

56. TryLib

57. TryLib github.com/etsy/TryLib

58.

59. commit build tests user tests release try deployinator

60. Deployinator

61. Deployinator github.com/etsy/deployinator

62.

63. commit build tests user tests release try deployinator ci/jenkins

64.

65. commit build tests user tests release try deployinator ci/jenkins manual tests

66. commit build tests user tests release try deployinator ci/jenkins manual tests deploy

67.

68.

69. anybody can push

70. http://www.ﬂickr.com/photos/zsqr0000/5269002895

71. be anxious

72. … but do not fear

73. dev / ops

74. ♥dev / ops

75. dark changes

76. template changes css tweaks unreferenced code

77.

78. config pushes

79. $server_config['my_feature'] = [ 'enabled' => 1, 'bucketing' => 'user' ];

80. $server_config['my_feature'] = [ 'enabled' => 50, 'bucketing' => 'user' ];

81. push train

82.

83.

84. premshree> .join john

85. john + premshree premshree>

86. john + premshree premshree> .good

87. john + premshree premshree> .bueno

88. john + premshree* premshree>

89. john + premshree* sally> .join

90. john + premshree* | sally sally>

91. push train (with PushBot)

92. push train github.com/etsy/pushbot

93. commit build tests user tests release

94. commit build tests user tests princess prod

95. post-deploy

96. post-deploy (gaining confidence)

97. supergrep

98. supergrep github.com/etsy/supergrep

99.

100.

101. dashboards

102. dashboards (deploy)

103.

104.

105. push

106. dashboards (app)

107.

108. StatsD + Graphite

109. StatsD + Graphite github.com/etsy/statsd

110. summary

111. pre-flight check ready to push ready to deploy testing/verification confidence

112. pre-flight check ready to push ready to deploy testing/verification confidence try/git hooks push train/irc deployinator user testing supergrep/dashboards

113. https://www.ﬂickr.com/photos/saschaaa/152502539/

114. poka-yoke ポカヨケ

115. culture

116.

117. assume best intentions

118. cultivate empathy

119. open

120. failure is an option

121. failure is an opportunity

122. post-mortems

123. blameless post-mortems

124. + remediation