How to make easy and casual CI management in COOKPAD

Transcript

1. How to make easy and
   casual CI management
   in COOKPAD
   Kenta Murata
   2013.07.24
   Testing Casual Talks #1 at :DeNA
   Friday, July 26, 13
   

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2. Kenta Murata
   CRuby committer
   DevInfra Engineer at COOKPAD
   Friday, July 26, 13
   

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3. Friday, July 26, 13
   

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4. Friday, July 26, 13
   

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5. Friday, July 26, 13
   

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6. bit.ly/cookpad_jobs
   Friday, July 26, 13
   

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7. Background
   Friday, July 26, 13
   

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8. About 1 year ago...
   Friday, July 26, 13
   

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9. $ ree_be rake stats
   +----------------------+-------+-------+---------+---------+-----+-------+
   | Name | Lines | LOC | Classes | Methods | M/C | LOC/M |
   +----------------------+-------+-------+---------+---------+-----+-------+
   | Controllers | 16708 | 13381 | 154 | 1153 | 7 | 9 |
   | Helpers | 6228 | 5179 | 0 | 508 | 0 | 8 |
   | Models | 38665 | 30777 | 861 | 3248 | 3 | 7 |
   | Libraries | 29363 | 23740 | 238 | 2189 | 9 | 8 |
   | Functional tests | 9 | 7 | 1 | 0 | 0 | 0 |
   | Unit tests | 72 | 54 | 10 | 0 | 0 | 0 |
   | Integration specs | 21207 | 17381 | 2 | 83 | 41 | 207 |
   | Chanko specs | 15700 | 13030 | 1 | 103 | 103 | 124 |
   | Model specs | 22247 | 18297 | 3 | 35 | 11 | 520 |
   | Controller specs | 17061 | 14080 | 6 | 49 | 8 | 285 |
   | Helper specs | 588 | 507 | 0 | 0 | 0 | 0 |
   | Routing specs | 128 | 102 | 1 | 1 | 1 | 100 |
   +----------------------+-------+-------+---------+---------+-----+-------+
   | Total | 167976 | 136535 | 1277 | 7369 | 5 | 16 |
   +----------------------+-------+-------+---------+---------+-----+-------+
   Code LOC: 73077 Test LOC: 63458 Code to Test Ratio: 1:0.9
   Sunday, September 16, 12
   in Sapporo RubyKaigi 2012
   Friday, July 26, 13
   

   View Slide

10. $ ree_be rake stats
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Name | Lines | LOC | Classes | Methods | M/C | LOC/M |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Controllers | 16708 | 13381 | 154 | 1153 | 7 | 9 |
    | Helpers | 6228 | 5179 | 0 | 508 | 0 | 8 |
    | Models | 38665 | 30777 | 861 | 3248 | 3 | 7 |
    | Libraries | 29363 | 23740 | 238 | 2189 | 9 | 8 |
    | Functional tests | 9 | 7 | 1 | 0 | 0 | 0 |
    | Unit tests | 72 | 54 | 10 | 0 | 0 | 0 |
    | Integration specs | 21207 | 17381 | 2 | 83 | 41 | 207 |
    | Chanko specs | 15700 | 13030 | 1 | 103 | 103 | 124 |
    | Model specs | 22247 | 18297 | 3 | 35 | 11 | 520 |
    | Controller specs | 17061 | 14080 | 6 | 49 | 8 | 285 |
    | Helper specs | 588 | 507 | 0 | 0 | 0 | 0 |
    | Routing specs | 128 | 102 | 1 | 1 | 1 | 100 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Total | 167976 | 136535 | 1277 | 7369 | 5 | 16 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    Code LOC: 73077 Test LOC: 63458 Code to Test Ratio: 1:0.9
    861 Models
    Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

    View Slide

11. $ ree_be rake stats
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Name | Lines | LOC | Classes | Methods | M/C | LOC/M |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Controllers | 16708 | 13381 | 154 | 1153 | 7 | 9 |
    | Helpers | 6228 | 5179 | 0 | 508 | 0 | 8 |
    | Models | 38665 | 30777 | 861 | 3248 | 3 | 7 |
    | Libraries | 29363 | 23740 | 238 | 2189 | 9 | 8 |
    | Functional tests | 9 | 7 | 1 | 0 | 0 | 0 |
    | Unit tests | 72 | 54 | 10 | 0 | 0 | 0 |
    | Integration specs | 21207 | 17381 | 2 | 83 | 41 | 207 |
    | Chanko specs | 15700 | 13030 | 1 | 103 | 103 | 124 |
    | Model specs | 22247 | 18297 | 3 | 35 | 11 | 520 |
    | Controller specs | 17061 | 14080 | 6 | 49 | 8 | 285 |
    | Helper specs | 588 | 507 | 0 | 0 | 0 | 0 |
    | Routing specs | 128 | 102 | 1 | 1 | 1 | 100 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Total | 167976 | 136535 | 1277 | 7369 | 5 | 16 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    Code LOC: 73077 Test LOC: 63458 Code to Test Ratio: 1:0.9
    17381 Integration spec LOC
    Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

    View Slide

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    05/01 06/01 07/01
    Timestamp
    Examples count
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    05/01 06/01 07/01
    Timestamp
    Examples count
    The number of examples in
    COOKPAD’s spec les
    Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

    View Slide

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    07/01 08/01 09/01
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    05/01 06/01 07/01
    Timestamp
    Examples count
    The number of examples in
    COOKPAD’s spec les
    Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

    View Slide

14. Condition Execution time
    single rspec too long; unmeasurable
    8-core parallel_tests over 1 hour
    5 workers,
    each have 6-cores
    about 15 min
    Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

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15. Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

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16. Sunday, September 16, 12
    in Sapporo RubyKaigi 2012
    Friday, July 26, 13
    

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17. After that...
    Friday, July 26, 13
    

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18. $ be rake cookpad:stats
    Friday, July 26, 13
    

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19. $ be rake cookpad:stats
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Name | Lines | LOC | Classes | Methods | M/C | LOC/M |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Controllers | 27186 | 21690 | 257 | 2074 | 8 | 8 |
    | Helpers | 8331 | 6872 | 1 | 749 | 749 | 7 |
    | Models | 52737 | 41014 | 988 | 4511 | 4 | 7 |
    | Workers | 534 | 451 | 18 | 29 | 1 | 13 |
    | Chanko units | 14617 | 12386 | 5 | 196 | 39 | 61 |
    | Libraries | 40694 | 32471 | 408 | 3238 | 7 | 8 |
    | Feature specs | 24109 | 19915 | 0 | 119 | 0 | 165 |
    | Request specs | 5925 | 5035 | 0 | 11 | 0 | 455 |
    | Routing specs | 418 | 330 | 0 | 1 | 0 | 328 |
    | Controller specs | 39965 | 32978 | 5 | 99 | 19 | 331 |
    | Helper specs | 2183 | 1831 | 0 | 5 | 0 | 364 |
    | Model specs | 42931 | 35051 | 4 | 61 | 15 | 572 |
    | Worker specs | 868 | 717 | 0 | 1 | 0 | 715 |
    | Chanko unit specs | 12616 | 10365 | 0 | 46 | 0 | 223 |
    | Library specs | 16298 | 13515 | 24 | 107 | 4 | 124 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    | Total | 289412 | 234621 | 1710 | 11247 | 6 | 18 |
    +----------------------+-------+-------+---------+---------+-----+-------+
    Code LOC: 234621 Test LOC: 0 Code to Test Ratio: 1:0.0
    Friday, July 26, 13
    

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20. Model classes 861 → 988
    Feature specs LOC 17381 → 19915
    Summary of differences
    Friday, July 26, 13
    

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21. 00:09:27.001 (05) 2085 examples, 0 failures, 6 pendings
    00:09:27.001 (05)
    00:09:27.001 (05) Took 355.818754421 seconds
    00:09:27.098 (05) parallel:spec --> 0.010000 0.090000 1551.140000 (359.309562)
    00:09:27.098 (05) cookpad:spec --> 0.370000 0.190000 1551.600000 (359.778909)
    00:09:27.739 INFO: Total Results --------
    00:09:27.740
    00:09:27.740 Congratulation! All Tests passed.
    00:09:27.740 13177 examples, 0 failure, 162 pending
    00:09:30.608 ** Invoke cookpad:spec:ci:post_growth_forecast (first_time)
    00:09:30.609 ** Execute cookpad:spec:ci:post_growth_forecast
    00:09:30.650
    00:09:30.651 Statistical summary of spec execution time:
    00:09:30.651
    00:09:30.651 total 9528.663149494996
    00:09:30.651 mean 9.144590354601723
    00:09:30.651 variance 410.34485361844173
    00:09:30.651 standard deviation 20.256970494583875
    00:09:30.651
    00:09:30.652 minimum 0.000853474
    00:09:30.652 1st quartile 0.8062394975
    00:09:30.652 median 2.527339377
    00:09:30.652 3rd quartile 8.658470989000001
    00:09:30.652 maximum 198.142290118
    00:09:30.652
    00:09:30.652 Slow Spec Files:
    00:09:30.653
    00:09:30.653 ./spec/features/device/recipe_spec.rb --> 3 min 18.142290118000005 sec
    00:09:30.653 ./spec/features/recipes_hot_spec.rb --> 3 min 9.98139715100001 sec (18
    Friday, July 26, 13
    

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22. 00:09:27.001 (05) 2085 examples, 0 failures, 6 pendings
    00:09:27.001 (05)
    00:09:27.001 (05) Took 355.818754421 seconds
    00:09:27.098 (05) parallel:spec --> 0.010000 0.090000 1551.140000 (359.309562)
    00:09:27.098 (05) cookpad:spec --> 0.370000 0.190000 1551.600000 (359.778909)
    00:09:27.739 INFO: Total Results --------
    00:09:27.740
    00:09:27.740 Congratulation! All Tests passed.
    00:09:27.740 13177 examples, 0 failure, 162 pending
    00:09:30.608 ** Invoke cookpad:spec:ci:post_growth_forecast (first_time)
    00:09:30.609 ** Execute cookpad:spec:ci:post_growth_forecast
    00:09:30.650
    00:09:30.651 Statistical summary of spec execution time:
    00:09:30.651
    00:09:30.651 total 9528.663149494996
    00:09:30.651 mean 9.144590354601723
    00:09:30.651 variance 410.34485361844173
    00:09:30.651 standard deviation 20.256970494583875
    00:09:30.651
    00:09:30.652 minimum 0.000853474
    00:09:30.652 1st quartile 0.8062394975
    00:09:30.652 median 2.527339377
    00:09:30.652 3rd quartile 8.658470989000001
    00:09:30.652 maximum 198.142290118
    00:09:30.652
    00:09:30.652 Slow Spec Files:
    00:09:30.653
    00:09:30.653 ./spec/features/device/recipe_spec.rb --> 3 min 18.142290118000005 sec
    00:09:30.653 ./spec/features/recipes_hot_spec.rb --> 3 min 9.98139715100001 sec (18
    Friday, July 26, 13
    

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23. 00:09:27.001 (05) 2085 examples, 0 failures, 6 pendings
    00:09:27.001 (05)
    00:09:27.001 (05) Took 355.818754421 seconds
    00:09:27.098 (05) parallel:spec --> 0.010000 0.090000 1551.140000 (359.309562)
    00:09:27.098 (05) cookpad:spec --> 0.370000 0.190000 1551.600000 (359.778909)
    00:09:27.739 INFO: Total Results --------
    00:09:27.740
    00:09:27.740 Congratulation! All Tests passed.
    00:09:27.740 13177 examples, 0 failure, 162 pending
    00:09:30.608 ** Invoke cookpad:spec:ci:post_growth_forecast (first_time)
    00:09:30.609 ** Execute cookpad:spec:ci:post_growth_forecast
    00:09:30.650
    00:09:30.651 Statistical summary of spec execution time:
    00:09:30.651
    00:09:30.651 total 9528.663149494996
    00:09:30.651 mean 9.144590354601723
    00:09:30.651 variance 410.34485361844173
    00:09:30.651 standard deviation 20.256970494583875
    00:09:30.651
    00:09:30.652 minimum 0.000853474
    00:09:30.652 1st quartile 0.8062394975
    00:09:30.652 median 2.527339377
    00:09:30.652 3rd quartile 8.658470989000001
    00:09:30.652 maximum 198.142290118
    00:09:30.652
    00:09:30.652 Slow Spec Files:
    00:09:30.653
    00:09:30.653 ./spec/features/device/recipe_spec.rb --> 3 min 18.142290118000005 sec
    00:09:30.653 ./spec/features/recipes_hot_spec.rb --> 3 min 9.98139715100001 sec (18
    Friday, July 26, 13
    

    View Slide

24. 00:09:27.001 (05) 2085 examples, 0 failures, 6 pendings
    00:09:27.001 (05)
    00:09:27.001 (05) Took 355.818754421 seconds
    00:09:27.098 (05) parallel:spec --> 0.010000 0.090000 1551.140000 (359.309562)
    00:09:27.098 (05) cookpad:spec --> 0.370000 0.190000 1551.600000 (359.778909)
    00:09:27.739 INFO: Total Results --------
    00:09:27.740
    00:09:27.740 Congratulation! All Tests passed.
    00:09:27.740 13177 examples, 0 failure, 162 pending
    00:09:30.608 ** Invoke cookpad:spec:ci:post_growth_forecast (first_time)
    00:09:30.609 ** Execute cookpad:spec:ci:post_growth_forecast
    00:09:30.650
    00:09:30.651 Statistical summary of spec execution time:
    00:09:30.651
    00:09:30.651 total 9528.663149494996
    00:09:30.651 mean 9.144590354601723
    00:09:30.651 variance 410.34485361844173
    00:09:30.651 standard deviation 20.256970494583875
    00:09:30.651
    00:09:30.652 minimum 0.000853474
    00:09:30.652 1st quartile 0.8062394975
    00:09:30.652 median 2.527339377
    00:09:30.652 3rd quartile 8.658470989000001
    00:09:30.652 maximum 198.142290118
    00:09:30.652
    00:09:30.652 Slow Spec Files:
    00:09:30.653
    00:09:30.653 ./spec/features/device/recipe_spec.rb --> 3 min 18.142290118000005 sec
    00:09:30.653 ./spec/features/recipes_hot_spec.rb --> 3 min 9.98139715100001 sec (18
    We use Ruby 2.0.0-p247
    Friday, July 26, 13
    

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25. The problem is still remaining
    1) Tests are continuously growing
    2) The reason of test execution time under 10min
    is that Ruby 2.0 is faster than REE
    Friday, July 26, 13
    

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26. How does it come?
    Friday, July 26, 13
    

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27. One large monolithic Rails application
    Friday, July 26, 13
    

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28. One large monolithic Rails application
    Friday, July 26, 13
    

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29. One large monolithic Rails application
    Multiple Rails applications
    sharing models via API
    Friday, July 26, 13
    

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30. Friday, July 26, 13
    

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31. Friday, July 26, 13
    

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32. Applications will be increased,
    but they are too small than cookpad.
    Friday, July 26, 13
    

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33. Applications will be increased,
    but they are too small than cookpad.
    Test execution time won’t be raised
    if their CI jobs are executed in parallel.
    Friday, July 26, 13
    

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34. How to manage CI?
    Friday, July 26, 13
    

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35. Current CI
    Friday, July 26, 13
    

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36. Friday, July 26, 13
    

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37. ci-slave-ruby200-001 ci-slave-ruby200-002
    ci-slave-ruby200-00{3,4,5} ci-slave-ruby200-00{2,3}-midnight
    mysql56 qt48
    mysql55 qt47
    cookpad
    mysql55 qt47
    mysql55 qt47
    elasticsearch ruby200
    m1.large
    ruby200
    ruby200 ruby193
    ruby200 ruby193
    midnight
    Node labels
    Friday, July 26, 13
    

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38. ci-slave-...-001
    ci-slave-...-002
    ci-slave-...-003
    ci-slave-...-004
    ci-slave-...-005
    ci-slave-...-002-midnight
    ci-slave-...-003-midnight
    8am 10pm
    Nodes’ availability
    Friday, July 26, 13
    

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39. ci-slave-ruby200-001 ci-slave-ruby200-002
    ci-slave-ruby200-00{3,4,5} ci-slave-ruby200-00{2,3}-midnight
    mysql56 qt48
    mysql55 qt47
    cookpad
    mysql55 qt47
    mysql55 qt47
    elasticsearch ruby200
    m1.large
    ruby200
    ruby200 ruby193
    ruby200 ruby193
    midnight
    Node labels
    Friday, July 26, 13
    

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40. Developers DevInfra Omukins
    cookpad
    cafe
    omuken
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41. Friday, July 26, 13
    

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42. Demonstration
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43. github.com/mrkn/whitesnake
    Fork
    m
    e
    on
    GitHub
    Friday, July 26, 13
    

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44. !e End
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45. bit.ly/cookpad_jobs
    Friday, July 26, 13
    

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