Serverspec at JTF2014

Transcript

1. 1.

   ServerspecʹݟΔ ٕज़τϨϯυΛ ੜΈग़͢ώϯτ

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   ࣗݾ঺հ 4 ٶԼ ߶ี 4 http://mizzy.org/ 4 mizzy@github 4 gosukenator@twitter

   4 ϑϦʔϥϯεΤϯδχΞ/Serverspec Operations
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   ΞδΣϯμ 4 ࠷ۙͷΠϯϑϥܥٕज़τϨϯυ 4 Serverspecͱ͸ 4 Serverspec͕ੜ·Εͨഎܠ 4 Serverspecͷೝ஌౓ 4

   Serverspecͷ੒ޭཁҼ 4 ·ͱΊ
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   ࠷ۙͷΠϯϑϥؔ࿈ٕज़ τϨϯυৼΓฦΓ

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   ஫: OS͔Βϛυϧ΢ΣΞ ͱ͍ͬͨιϑτ΢ΣΞϨΠϠʔΛ ࢦ͢ݴ༿ͱͯ͠ͷΠϯϑϥͰ͢

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   Πϯϑϥؔ࿈ٕज़τϨϯυ 4 αʔόߏ੒؅ཧπʔϧ 4 Chefਓؾ 4 ࠓ೥ʹͳͬͯ4݄,5݄ͱཱͯଓ͚ʹॻ੶ൃץ 4 USͰ͸2014೥ʹPuppetͷγΣΞΛ௒͑ͨΒ͍͠ 4

   Ansible 4 Chef΁ͷΧ΢ϯλʔ
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   Πϯϑϥؔ࿈ٕज़τϨϯυʢ͖ͭͮʣ 4 Ծ૝Խؔ࿈πʔϧ 4 Vagrant 4 Docker 4 ςετۦಈΠϯϑϥͱΠϯϑϥCI 4

   Test Kitchen 4 Serverspec
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   Πϯϑϥؔ࿈ٕज़τϨϯυʢ͖ͭͮʣ 4 Immutable Infrastructure 4 Trash Your Servers and Burn

   Your Code: Immutable Infrastructure and Disposable Components 4 WEB+DB PRESS Vol.81
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   ςετۦಈΠϯϑϥ ΠϯϑϥCI

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    None
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    ςετۦಈΠϯϑϥ/ΠϯϑϥCI 4 ΞϓϦέʔγϣϯ։ൃͷख๏ΛΠϯϑϥߏஙʹԠ༻ 4 @riywo͘Μ͕2012೥ʹΠϯϑϥCIʹ͍ͭͯॻ͍ͯΔ 4 http://blog.riywo.com/2012/05/27/145310 4 ࣗ෼ࣗ਎ߏ૝͸2007೥͙Β͍͔Β͋ͬͨ 4

    ʮςετۦಈαʔόߏஙʯͱ͍͏ݴ༿Λߟ͍͑ͯͨ 4 http://d.hatena.ne.jp/dayflower/ 20070405/1175782564#c
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    ςετۦಈΠϯϑϥ/ΠϯϑϥCI 4 Ҏલ͔Β֓೦͸͋ͬͨͱ͸͍͑ʮΠϯϑϥΛςετՄೳʹ ͢Δʯͱ͍͏ੈքΛ޿͛ͨͷ͸Serverspec 4 ୯ʹςετՄೳʹ͢Δ͚ͩͰ͸ͳ͘ɺGitHub FlowʹΑΓ ΠϯϑϥมߋΛϓϧϦΫΤετ͠ɺCIαʔόʹΑΓܧଓత ʹςετ͢Δɺͱ͍͏ੈքΛ։͍ͨ

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    None
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    Serverspec

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    Serverspecͱ͸ 4 2013೥3݄຤ʹϦϦʔε 4 RSpecͰαʔόͷঢ়ଶΛςετ 4 ຊ࣭͸αʔόͷঢ়ଶΛهड़ͨ͠ίʔυΛςετ 4 PuppetϚχϑΣετ΍ChefϨγϐͳͲ 4

    Πϯϑϥίʔυͷ։ൃ΍ϦϑΝΫλϦϯάΛޮ཰ྑ͘ߦ͏ ͨΊͷπʔϧ
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    ServerspecʹΑΔςετίʔυ describe package('nginx') do it { should be installed }

    end describe service('nginx') do it { should be_enabled } it { should be_running } end
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    Serverspecͷεϖϧ 4 ਖ਼ 4 Serverspec/serverspec/SERVERSPEC 4 ޡ 4 ServerSpec/Server Spec

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    Serverspec͸ͳͥ ੜ·Εͨͷ͔ʁ

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    ςετπʔϧ։ൃͷ͖͔͚ͬ 4 2006೥ʹPuppetΛ࢖͍࢝Ίͨ 4 αʔόߏங͸PuppetʹΑͬͯࣗಈԽͰ͖ͨ 4 ͡Ό͋࣍͸ߏஙޙͷνΣοΫΛࣗಈԽ͍ͨ͠ 4 ExcelνΣοΫγʔτͰͷ໨ࢹ֬ೝ΍Ί͍ͨ

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    Assurer 4 2007೥ʹͭͬͨ͘Perl੡αʔόςετϑϨʔϜϫʔΫ 4 ϓϥάΠϯͰ֦ுՄೳ 4 PlaggerͷӨڹ 4 Filter, Format,

    Notify, Publish, Test 4 make testͰςετΛ࣮ߦ/TAPܗࣜͰ݁Ռग़ྗ 4 CPAN AuthorͳͷͰPerlͰͷςετͷ΍ΓํΛ౿ऻ
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    AssurerͷഊҼ 4 Serverspecͱҧ͍ৼΔ෣͍Λςετ 4 ঢ়ଶͷςετΑΓ΋ཁ͕݅ෳࡶ 4 ཉுͬͯ৭ʑ٧ΊࠐΈ͗ͯ͢ߋʹෳࡶʹͳͬͨ 4 ϑΣʔζ෼͚/ϓϥΨϒϧ/෼ࢄॲཧ/γΣϧ 4

    ίϯηϓτ͕Serverspec΄Ͳ໌֬Ͱ͸ͳ͔ͬͨ 4 ։ൃऀͰ͋Δࣗ෼͢Β࢖Θͳ͍΋ͷʹͳͬͨ
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    AssurerҎޙ 4 ࣌ʑࢥ͍ฦ͢͜ͱ͸͚͋ͬͨͲੵۃతʹԿ͔͠Α͏ͱ΋͠ ͳ͔ͬͨ 4 ݱ৔͔Βएׯڑ཭Λஔ͍͍ͯͯɺPuppetͳͲ΋ͦΜͳʹ৮ Βͳ͘ͳͬͨ

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    ·ͨPuppet͞ΘΓ͸͡Ίͨ 4 ࣗ෼͕͔ͭͯॻ͍ͨPuppetϚχϑΣετ͕ϨΨγʔίʔυ ʹͳ͍ͬͯͨ 4 ϦϑΝΫλϦϯάͨ͘͠ͳͬͨ 4 ϦϑΝΫλϦϯά͢ΔͳΒ౰વςετ͕ඞཁͩ͠CI΋΍Γ ͍ͨ

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    Πϯϑϥςετͷલ४උ 4 ΠϯϑϥCI΍Ζ͏ͱࢥͬͯɺ·ͣ͸CIΛ࣮ߦ͢Δ؀ڥΛ੔ ͑ͨ 4 LXCίϯςφͰςετ͢ΔͨΊʹɺίϯςφΛͬ͘͞ͱͭ ͘ΕΔPuppetϚχϑΣετॻ͍ͨ 4 ͪΐ͏Ͳಉ͡λΠϛϯάͰDocker͕ग़͖ͯͯແ༻ͷ௕ ෺ʹͳͬͨ

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    ςετπʔϧ୳͠ 4 ؀ڥ͸໨ॲ͕͍ͭͨͷͰ࣍͸ςετπʔϧ 4 ·ͣ͸طଘͷ΋ͷͰΑ͛͞ͳ΋ͷ͕ͳ͍͔୳ͨ͠ 4 rspec-puppet͙Β͍͔͠PuppetͰ࢖͑Δ΋ͷ͸ͳ͞ ͦ͏ 4 Chefपลͷํ͕ॆ࣮

    4 ChefSpec, Test Kitchen, Cucumber-Chef, minitest-chef-handler
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    ࣗલͰͭ͘Δ͜ͱʹͨ͠ 4 ͨͩ͠rspec-puppet͸͖ͪΜͱϞδϡʔϧԽ͞Ε͍ͯͳ ͍ͱ࢖͑ͳ͍ 4 ࣗ෼ͷϚχϑΣετ͸ϞδϡʔϧԽ͞Εͯͳ͍ϨϕϧͷϨ Ψγʔ͞ 4 rspec-puppet͸࣮ࡍͷαʔόͷঢ়ଶΛςετ͢ΔΘ͚ ͡Όͳ͍

    4 ͡Ό͋ࣗ෼Ͱ࡞Δ͔ɺͬͯ͜ͱʹ
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    Serverspec஀ੜ 4 ౰࣌ͷಉ྅(@hiboma)͕LXCͷίϯςφΛςετ͢Δίʔ υΛRSpecͰॻ͍͍ͯͨ 4 Α͠ɺͦΕύΫͬͯ൚༻తʹ࢖͑ΔΑ͏͠Α͏ 4 ϓϩτλΠϓΛҰ೔Ͱͭ͘Γɺཌ೔ʹ͸rubygems.orgͰ ެ։

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    ॳظͷServerspec 4 ࠷ॳ͸RedHatܥLinuxͷΈରԠɺSSHόοΫΤϯυͷΈɻ ExecόοΫΤϯυ͸ͳ͔ͬͨɻ 4 @tkmr͞Μ͕ෳ਺OSରԠͱDebianରԠͯ͘͠Εͨ 4 @raphink͞Μ͕όοΫΤϯυ੾Γସ͑ରԠͯ͘͠Εͨ 4 ͜Μͳײ͡Ͱ৭ΜͳਓΛר͖ࠐΜͩ

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    Serverspecͦͷޙ 4 Star: 738, Fork: 149, Contributors: 69 4 ରԠOS૿͑ͨΓɺαϙʔτ͢Δػೳ΋૿͑ͨΓ

    4 ݱࡏv2.0ʹ޲͚ͨ࡞ۀத 4 ΑΓ֦ு͠΍͘͢͢ΔͨΊͷϦϑΝΫλϦϯά͕ϝΠϯ
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    ຊ౰ʹ޿͘ ࢖ΘΕͯΔͷʁ

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    Serverspecͷೝ஌౓ 4 Black Duck Open Source Rookies of the Year

    2013 4 Docker, InfluxDB, Appium౳ͱฒΜͰड৆ 4 Thought Works Technology Radar 2014 4 Provisioning Testingͷ߲໨ʹServerspecͷจࣈ͕ग़ ͯ͘Δ 4 rubygems.orgͰͷμ΢ϯϩʔυ਺໿30ສ 4 Chef͕໿400ສ
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    None
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    ࡶࢽʹ͓͚Δݴٴ 4 WEB+DB PRESS Vol.75 4 WEB+DB PRESS Vol.76 4

    WEB+DB PRESS Vol.80 4 WEB+DB PRESS Vol.81
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    None
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    ॻ੶ʹ͓͚Δݴٴ 4 Test-Driven Infrastructure with Chef, 2nd Edition 4 Chef׆༻ΨΠυ

    4 νʔϜ։ൃ࣮ફೖ໳ 4 Chef࣮ફೖ໳ 4 ύʔϑΣΫτRuby on Rails
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    None
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    None
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    None
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    None
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    None
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    ւ֎Ͱͷ൓Ԡ

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    None
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    None
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    None
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    None
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    None
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    None
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    ͳͥServerspec͸ ੒ޭͨ͠ͷ͔ʁ

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    ೳಈతͳཁҼ

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    ผྖҬͰ੒ޭ͍ͯ͠ΔϓϥΫςΟε Λ࣋ͪࠐΉ 4 ιϑτ΢ΣΞ։ൃͷੈքͷϓϥΫςΟε 4 ςετۦಈ։ൃ 4 ܧଓతΠϯςάϨʔγϣϯ 4 ಉ͡༻ޠ࢖͏ͱΠϝʔδ΋͠΍͍͢

    4 ςετۦಈΠϯϑϥ/ΠϯϑϥCI
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    ໊લॏཁ 4 Server + RSpecͱ͍͏௚ٿͳ໊લ 4 ໊લ͔ΒԿΛ͢Δ΋ͷͳͷ͔͕ྨਪ͠΍͍͢ 4 ֮͑΍͍͢

52. 52.

    ӳޠυΩϡϝϯτ 4 ೔ຊࠃ֎Ͱ΋޿͘ೝ஌ͯ͠΋Β͓͏ͱࢥͬͨΒɺ͜Ε͸େ લఏ 4 README΍serverspec.orgͳͲ͸࠷ॳ͔ΒӳޠͰॻ͍ͨ

53. 53.

    ϝδϟʔͳΩʔϫʔυ/ϓϩμΫτ ʹͷ͔ͬΔ 4 Puppet΍Chefͱ͍ͬͨϫʔυΛࢄΓ͹ΊΔ 4 ࣮ࡍʹؔ࿈͢Δπʔϧͩ͠ 4 Puppet΍ChefͷதͷਓʹरΘΕͯɺ൴Β͕πΠʔτ͢Δ ͜ͱͰ޿·ͬͨײ

54. 54.

    υΩϡϝϯτͷΘ͔Γ΍͢͞ 4 ӳޠͰυΩϡϝϯτΛॻ͍ͯɺϝδϟʔͳϫʔυࢄΓ͹Ί ͯϦʔνϟϏϦςΟߴΊΔ͚ͩͰ͸·ͩෆे෼ 4 ͬ͟ͱࣼΊಡΈ͚ͨͩ͠ͰԿ͕Ͱ͖Δπʔϧͳͷ͔͙͢ʹ Θ͔ΔΑ͏ʹ͢Δͷ͕ॏཁ 4 ͙͢ʹΘ͔Βͳ͍ͱɺڵຯΛࣦͬͯ཭୤͞Εɺೋ౓ͱ໭Β ͳ͍͔΋͠Εͳ͍

55. 55.

    πʔϧࣗମͷγϯϓϧ͞ 4 υΩϡϝϯτΛΘ͔Γ΍͘͢͢ΔͨΊʹ͸ɺπʔϧͦͷ΋ ͷ͕γϯϓϧͰΘ͔Γ΍͍͢ඞཁ͕͋Δ 4 Serverspec͸ςετͷΈʹಛԽͨ͠ 4 ଞͷπʔϧʹ͋Δߏ੒؅ཧπʔϧͱͷ࿈ܞ΍VMͷૢ࡞ ౳͸ল͍ͨ 4

    Ώ͑ʹγϯϓϧͰΘ͔Γ΍͍͢
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    γϯϓϧ͚ͩͲ֦ு͠΍͍͢ 4 جຊతͳػೳ͸͋·Γ૿΍͞ͳ͍ํ਑ 4 ͨͩ͠ϓϩάϥϜΛॻ͍֦ͯு͠΍ͯ͘͢͠Δ 4 ଞͷπʔϧͱ΋૊Έ߹Θͤ΍͍͢ 4 UNIX఩ֶ 4

    Keep It Simple, Stupid
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    ଞπʔϧͱͷ૊Έ߹Θͤ 4 busser-serverspec 4 beaker-rspec 4 vagrant-serverspec 4 sensu-community-plugins/plugins/serverspec

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    ΤʔδΣϯτϨε 4 ͍͘ΒศརͰ΋ɺαʔόʹ৭ʑೖΕΔͷ͸ݏͰ͢ΑͶʁ 4 Serverspec͸ςετΛ࣮ߦ͢ΔϚγϯʹRuby͕͋Ε͹OK 4 ςετର৅ͷϚγϯʹ͸SSHͰΞΫηεͰ͖Ε͹OK 4 Ruby͢Βඞཁͳ͍

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    ࢖͏·ͰͷෑډΛԼ͛Δ 4 Serverspec͸Ruby 1.8.7Ҏ߱Λαϙʔτ 4 RedHat 6ܥͷύοέʔδΠϯετʔϧͰೖΔRubyʹରԠ 4 ผ్RubyΛμ΢ϯϩʔυͯ͠ίϯύΠϧɺͳͲ͢Δඞ ཁ͕ͳ͍

    4 serverspec-initίϚϯυ 4 ίϚϯυҰൃͰͻͳܗΛੜ੒͙ͯ͢͠ʹࢼͤΔ
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    ࣗ෼ҰਓͰ΍Γ͗͢ͳ͍ 4 ࣗ෼͕࢖͏ػೳ͔͠جຊతʹ͸࣮૷͠ͳ͍ 4 γϯϓϧʹอͭ͏͑Ͱ΋େࣄ 4 ཉ͍͠ػೳ͕͋Ε͹ࣗ෼Ͱ࣮૷ͯ͘͠Εɺͱ͍͏ελϯε 4 OSSͳͷͰ 4

    ݁Ռͱͯ͠ଟ͘ͷਓΛר͖ࠐΊͨ
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    ೳಈతཁҼ·ͱΊ 4 ଞྖҬͷϓϥΫςΟεΛ࣋ͪࠐΉ 4 ໊લ΍υΩϡϝϯτॏཁ 4 ϝδϟʔͳϓϩμΫτʹ৐͔ͬΔ 4 γϯϓϧ͔֦ͭுՄೳ 4

    ࢖͏ෑډΛԼ͛Δ 4 ଞऀΛר͖ࠐΉ
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    ٕज़τϨϯυཁҼ

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    αʔόߏ੒؅ཧπʔϧͷ੒ख़ 4 Puppetొ৔͔Β9೥ 4 Chefొ৔͔Β5೥ 4 ΈΜͳ͕ͦͷ࣍Λݟਾ͑ͩͨ͠

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    Vagrantͷීٴ 4 ςετΛ࣮ߦ͢ΔͨΊʹ͸खݩͰVMΛಈ͔ͤΔํ͕ḿΔ 4 VagrantʹΑΓखݩͰςετίʔυΛॻ͍࣮ͯߦ͢Δ؀ڥ ͕ͭ͘Γ΍͘͢ͳͬͨ

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    Chefք۾Ͱͷςετͷ੝Γ্͕Γ 4 ݩʑChefք۾ͷਓͨͪ͸ςετʹର͢Δҙ͕ࣝߴ͔ͬͨ 4 ChefSpec, Test Kitchen, Cucumber-Chef, minitest- chef-handlerͳͲςετܥπʔϧ͸Chefք۾͕ॆ࣮

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    Jenkins΍CI as a Serviceͷීٴ 4 Jenkins͕։ൃͷੈքͰ͸౰ͨΓલͷΑ͏ʹ࢖ΘΕ͍ͯΔ 4 CI as a

    Serviceͷීٴ 4 Travis, CircleCI, Drone, WerckerͳͲ
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    GitHubͷීٴ 4 GitHubͰΠϯϑϥίʔυΛ؅ཧ 4 ϓϧϦΫΤετϕʔεͰมߋ 4 CI as a Serviceͱͷ࿈ܞ

    4 ςετۦಈΠϯϑϥ/CIͱ૬ੑ͕ྑ͍
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    ٕज़τϨϯυཁҼ·ͱΊ 4 ߏ੒؅ཧ+Ծ૝Խ+ςετ+CIͱ͍͏τϨϯυ 4 GitHub͕͜ͷτϨϯυΛߋʹޙԡ͠ 4 Ծ૝Խɺߏ੒؅ཧɺCIʹ͍ͭͯ͸ఆ൪͕Ͱ͖ͯͨ 4 ςετπʔϧ͸ܾఆ൛͕ͳ͔ͬͨ 4

    ͦ͜ʹServerspec͕͸·ͬͨ 4 ͦΕʹΑΓ͜ͷτϨϯυΛߋʹՃ଎ͤ͞Δ͜ͱʹͳͬͨ
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    ·ͱΊ

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    Serverspecͷ੒ޭཁҼ 4 ଞྖҬͰ੒ޭ͍ͯ͠ΔϓϥΫςΟεΛ࣋ͪࠐΉ 4 ςετۦಈ։ൃ/ܧଓతΠϯςάϨʔγϣϯ 4 ࠷ॳ͔ΒීٴΛҙࣝͨ͠׆ಈ 4 ໊લɺυΩϡϝϯτɺϝδϟʔϓϩμΫτʹͷ͔ͬΔ 4

    γϯϓϧ͔֦ͭுՄೳʹ 4 UNIX఩ֶ/Keep It Simple, Stupid
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    Serverspecͷ੒ޭཁҼ 4 ׶͑ͯ伱Λͭͬͯ͘ਓΛר͖ࠐΉ 4 τϨϯυʹͷ͔ͬΔ 4 ߏ੒؅ཧ+Ծ૝Խ+ςετ+CI 4 ςετπʔϧҎ֎ͷఆ൪͸طʹ͋ͬͨ 4

    伱ؒΛຒΊͨͷ͕Serverspec
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    Serverspecͷ੒ޭཁҼ 4 Өڹྗͷ͋ΔਓʹϦʔν͢Δ 4 ࠃ಺Ͱ͸ҏ౻௚໵ࢯͷϒϩάΤϯτϦ΍ࡶࢽهࣄͷӨڹ ͕େ͖ͦ͏

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    Serverspecͷ੒ޭཁҼ 4 ٕज़τϨϯυΛੜΉͱ͔ߟ͑ͳ͍ 4 ੜ΋͏ͱࢥͬͯੜΊΔ΋ͷͰ΋ͳ͍ 4 ࣗ෼͕ཉ͍͠΋ͷɺ͓΋͠Ζ͍ͱࢥ͏΋ͷΛࣗ෼ͷͨΊʹ ͭ͘Δ 4 ਓྨͷٕज़ൃలͨΊͷແঈ։ൃɺͱ͍͏ελϯεͰ͸͍

    ͍΋ͷ͸Ͱ͖ͳ͍
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    ·ͱΊ 4 ٕज़τϨϯυΛੜΈग़ۙ͢ಓ͸ͳ͍ 4 গͳ͘ͱ΋ࣗ෼͸஌Βͳ͍ 4 ͨͩࣗ෼͕ཉ͍͠΋ͷɺ͓΋͠Ζ͍ͱ͓΋͏΋ͷΛͭ͘Δ/ ެ։͢Δ 4 ͦͷੵΈॏͶ͕ૉ੖Β͍͠΋ͷΛੜΉ͜ͱʹͭͳ͕Δ

    4 ࣗ෼͕ͭͬͯ͘ެ։ͨ͠΋ͷ͸ɺখ͞ͳ΋ͷؚΊͯ100 Ҏ্͸͋Δ
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    Shut the fuck up and write some code Openness is

    our driver for excellence ஌೭ऀෆ೗޷೭ऀ޷೭ऀෆ೗ᒜ೭ऀ