kubefork - development experience like owning your own cluster

Cloud Native Days Tokyo 2022
movie: https://event.cloudnativedays.jp/cndt2022/talks/1590

Transcript

1. ©2021 Wantedly, Inc.
   kubefork
   ࣗ෼ઐ༻ͷΫϥελΛॴ༗͍ͯ͠ΔΑ͏ͳ։ൃମݧ
   CloudNative Days Tokyo 2022
   Nov 21, 2022 - Takamichi Omori
   1
   

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2. ©2022 Wantedly, Inc.
   *BN
   2
   Takamichi Omori @onsd_
   Engineer at DX Squad
   Love Kubernetes, Go, etc.
   Wantedly, Inc.
   

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3. ©2022 Wantedly, Inc.
   %94RVBEͱ͸ʁ
   %FWFMPQFSF9QFSJFODF4RVBE
   ٕज़ج൫νʔϜͱ঺հ͞ΕΔ͜ͱ΋ଟ͍Ͱ͢
   ະདྷͷ։ൃମݧΛͭ͘Δ
   ։ൃऀͷੜ࢈ੑΛ޲্ͤ͞ΔͨΊʹ͸ԿͰ΋΍͍ͬͯ͘νʔϜ
   ৽͍͠.JDSPTFSWJDFͷ։ൃମݧ
   ෳࡶͳ.JDSPTFSWJDFͰ΋։ൃ͕؆୯ʹߦ͑ΔΑ͏ͳ࢓૊Έ࡞Γ
   
   

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4. ©2022 Wantedly, Inc.
   ࿩͢͜ͱ
   LVCFGPSL
   ࣗ෼ઐ༻ͷΫϥελΛॴ༗͍ͯ͠ΔΑ͏ͳ։ൃମݧ
   LVCFGPSLͱ͸ʁ
   LVCFGPSLͷ࢓૊Έ
   LVCFGPSLͷ۩ମతͳ࣮૷
   LVCFGPSLΛࢧ͑ΔDVTUPNDPOUSPMMFS
   

   LVCFGPSLͷσϞ
   LVCFGPSLͷͳΓͨͪ
   LVCFGPSLͷ͔͍ͭΈͪ
   
   

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5. ©2022 Wantedly, Inc.
   Kubefork ͱ͸
   ࣗ෼ઐ༻ͷΫϥελΛ͍࣋ͬͯΔΑ͏ͳମݧ
   Ұͭͷ։ൃ༻Ϋϥελ͔ΒԾ૝తͳΫϥελΛ࡞Δ࢓૊Έ
   Copy on Write
   ΫϥελΛίϐʔ͢Δͷ͸ίετ͕͔͔Δ
   

   มߋ͍ͨ͠Օॴ͚ͩมߋ͠ɺ
   
   
   ڞ༗Ͱ͖ΔϦιʔε͸ڞ༗͢Δ
   ΞΫηε͕෼཭͞Ε͍ͯΔͷͰ
   

   ଞͷ։ൃऀʹ໎࿭͕͔͔Βͳ͍
   ߴ଎
   มߋՕॴ͕࠷খݶ
   
   
   ؀ڥʹΞΫηεͰ͖Δ·Ͱ͕ߴ଎
   5
   

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6. ©2021 Wantedly, Inc.
   Photo by Jay Heike on Unsplash
   LVCFGPSLͷͳΓͨͪ
   6
   

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7. ©2022 Wantedly, Inc. 7
   8BOUFEMZͱϚΠΫϩαʔϏε
   ϚΠΫϩαʔϏε
   

   ΞʔΩςΫνϟ
   લޙͷίϯϙʔωϯτ
   ೥ʹLVCFSFOFUFTຊ൪ಋೖ
   https://docs.wantedly.dev/introduction/technical-overview
   ೥ʹ&,4Ҡߦ׬ྃ
   

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8. ©2022 Wantedly, Inc.
   ϚΠΫϩαʔϏε։ൃͰେ੾ͳͭͷ͜ͱ
   มߋΛૉૣ͘ࢼͤΔ
   ΋ͷͮ͘Γશൠʹ͓͍ͯେࣄ
   

   มߋ͕ྑ͔ͬͨɾѱ͔ͬͨ͜ͱͷϑΟʔυόοΫϧʔϓ
   ଞਓͷมߋͷӨڹΛड͚ͳ͍
   ૝ఆͱҟͳΔϨεϙϯεͷݪҼ͸୭ʁ
   ݪҼ͕ࣗ෼Ҏ֎ʹ͋ͬͨ৔߹ɺ֬ೝ͕೉͍͠
   ґଘؔ܎Λҙࣝ͢Δඞཁ͕ͳ͍
   ͜ͷαʔϏε͸Կʹґଘ͍ͯ͠Δʁ
   ։ൃ͢ΔͨΊʹ͸ԿʹΞΫηεͰ͖ΔΑ͏ʹ͢Δඞཁ͕͋Δʁ
   αʔϏεɾػೳ͝ͱʹґଘؔ܎Λ͓֮͑ͯ͘ͷ͸େม
   
   

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9. ©2022 Wantedly, Inc.
   ΑΓΑ͍։ൃํ๏
   େ੾ͳ͜ͱΛຬͨ͢։ൃํ๏͸͋Δʁ
   wมߋΛૉૣ͘ࢼͤΔ
   wଞਓͷมߋͷӨڹΛड͚ͳ͍
   wґଘؔ܎Λҙࣝ͠ͳ͍
   ϩʔΧϧͰ։ൃ͢Δ
   εςʔδϯά؀ڥʹσϓϩΠ͢Δ
   5FMFQSFTFODFΛ࢖͏
   ϚΠΫϩαʔϏε։ൃͷख๏Λൺֱ
   
   8BOUFEMZͰߦΘΕ͍ͯͨ։ൃख๏Λൺֱ
   

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10. ©2022 Wantedly, Inc.
    طଘͷख๏ʢ̍ʣ
    ϩʔΧϧͰ։ൃ͢Δ
    ˓มߋΛૉૣ͘ࢼͤΔ
    %PDLFSCVJMEΛ଴ͨͳͯ͘Α͍
    ˓ଞਓͷมߋͷӨڹΛड͚ͳ͍
    खݩͰ։ൃ͍ͯ͠ΔͷͰଞਓͷӨڹ͸ड͚ͳ͍
    ✕ґଘؔ܎Λҙࣝ͢Δඞཁ͕ͳ͍
    αʔϏεؒͷґଘؔ܎Λ஌Δඞཁ͕͋Δ
    ։ൃ؀ڥͷϝϯςφϯείετ͕͔͔Δ
    10
    

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11. ©2022 Wantedly, Inc.
    طଘͷख๏ʢ̎ʣ
    εςʔδϯά؀ڥʹσϓϩΠ͢Δ
    ˓ґଘؔ܎Λҙࣝ͢Δඞཁ͕ͳ͍
    ɹಈ͍͍ͯΔγεςϜͷҰ෦ΛೖΕସ͑Δ͚ͩ
    

    ✕มߋΛૉૣ͘ࢼͤΔ
    ɹ%PDLFSCVJMEΛ଴ͭඞཁ͕͋Δ
    ✕ଞਓͷมߋͷӨڹΛड͚ͳ͍
    ɹڞ༻ͷ؀ڥͳͷͰɺଞͷ։ൃऀͷӨڹΛड͚Δ
    11
    

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12. ©2022 Wantedly, Inc.
    طଘͷख๏ʢ̏ʣ
    5FMFQSFTFODF
    ৄ͘͠͸IUUQTXXXUFMFQSFTFODFJP
    ˓มߋΛૉૣ͘ࢼͤΔ
    ɹEPDLFSCVJMEΛ଴ͭඞཁ͕ͳ͍
    ˓ґଘؔ܎Λҙࣝ͢Δඞཁ͕ͳ͍
    ɹಈ͍͍ͯΔγεςϜͷதͷϦΫΤετ͕खݩʹඈΜͰ͘Δ
    

    ✕ଞਓͷมߋͷӨڹΛड͚ͳ͍
    ɹڞ༻ͷΫϥελͰ࣮ߦ͢ΔͱଞਓͷϦΫΤετ΋खݩʹདྷͯ͠·͏
    $/$'4BOECPY1SPKFDU
    બ୒ͨ͠TFSWJDF΁ͷϦΫΤετΛ
    

    ϩʔΧϧʹྲྀ͢͜ͱ͕Ͱ͖Δπʔϧ
    12
    

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13. ©2022 Wantedly, Inc.
    ఺Λຬͨ͢։ൃख๏
    *TUJPUFMFQSFTFODF
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϦΫΤετ͚ͩΛखݩʹϧʔςΟϯά
    ଞͷϦΫΤετ͸ڞ༻ͷ؀ڥΛ௨Δ
    

    

    LVCFGPSLͷߟ͑ํ͸͔͜͜Βग़ൃ
    ˓มߋΛૉૣ͘ࢼͤΔ
    %PDLFSCVJMEΛ଴ͨͳͯ͘Α͍
    ˓ଞਓͷมߋͷӨڹΛड͚ͳ͍
    खݩͰ։ൃ͍ͯ͠ΔͷͰଞਓͷӨڹ͸ड͚ͳ͍
    ˓ґଘؔ܎Λҙࣝ͢Δඞཁ͕ͳ͍
    ಈ͍͍ͯΔγεςϜͷதͷϦΫΤετ͕खݩʹඈΜͰ͘Δ
    ߋʹৄ͘͠͸ͪ͜ΒɿIUUQTTQFBLFSEFDLDPNNPSVYJTUJPJOUFHSBUFEUFMFQSFTFODF 13
    

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14. ©2022 Wantedly, Inc.
    *TUJPUFMFQSFTFODF͔ΒͷਐԽ
    HBUFXBZϨΠϠͷ࣮૷
    TPNFEFWXBOUFEMZDPN
    GPSLFEBTPNFEFWXBOUFEMZDPN
    (BUFXBZ
    ࣗ෼ͷมߋʹϧʔςΟϯά͢ΔͨΊʹ
    ಛผͳIFBEFS͕ඞཁͩͬͨ
    

    (BUFXBZϨΠϠͷಋೖʹΑΓIFBEFSͳ͠Ͱ
    ࣗ෼ͷมߋʹ౸ୡͰ͖ΔΑ͏ʹ
    14
    ࣮Ϋϥελ͔Β࡞੒͞ΕΔԾ૝ΫϥελΛࢦ͢
    'PSLFE"͕7JSUVBM$MVTUFSʹ֘౰
    

    ϔομΛ࢖ͬͯϧʔςΟϯάΛૢ࡞͢Δମݧ͔ΒɺΫϥελΛίϐʔ͢ΔΑ͏ͳମݧʹ
    7JSUVBM$MVTUFS
    

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15. ©2022 Wantedly, Inc.
    LVCFGPSL
    LVCFGPSLͷ׬੒
    ϦΫΤετϧʔςΟϯάͳͲɺ
    

    7JSUVBM$MVTUFSΛ࣮ݱ͢ΔͨΊʹ͸
    

    ଟ͘ͷϦιʔε͕ඞཁ
    

    ͦ͜ͰϦιʔεΛҰׅͯ͠؅ཧ͢Δ
    

    ΧελϜίϯτϩʔϥʔΛ࣮૷
    

    GPSLϦιʔεΛBQQMZ͢Δ͜ͱͰ
    

    ඞཁʹͳΔϦιʔεΛશͯ࡞੒Ͱ͖Δ
    

    Α͏ʹ
    ͜͜·ͰͰݱࡏͷ࢓૊Έ͕׬੒
    

    LVCFGPSLͱݺͿΑ͏ʹ
    15
    

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16. ©2022 Wantedly, Inc.
    5FSNJOPMPHZ
    7JSUVBM$MVTUFS
    Ծ૝తͳLVCFSFOUFTΫϥελ
    'PSL*EFOUJ
    fi
    FS
    'PSL͢Δ
    7JSUVBMDMVTUFSΛ۠ผ͢Δࣝผࢠ
    TIBSFE͔ΒWJSUVBMDMVTUFSΛ
    ಛఆͷGPSLJEFOUJ
    fi
    FSΛ΋ͱʹ
    ΞΫηεͰ͖Δ
    ࡞੒͢Δ͜ͱ
    4ͭͷϚΠΫϩαʔϏε͔ΒͳΔγεςϜͱɺA,B ͷ fork ͞ΕͨΫϥελ
    16
    

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17. ©2022 Wantedly, Inc.
    5FSNJOPMPHZ
    7JSUVBM$MVTUFS
    Ծ૝తͳLVCFSFOUFTΫϥελ
    'PSL*EFOUJ
    fi
    FS
    'PSL͢Δ
    7JSUVBMDMVTUFSΛ۠ผ͢Δࣝผࢠ
    TIBSFE͔ΒWJSUVBMDMVTUFSΛ
    ಛఆͷGPSLJEFOUJ
    fi
    FSΛ΋ͱʹ
    ΞΫηεͰ͖Δ
    ࡞੒͢Δ͜ͱ
    4ͭͷϚΠΫϩαʔϏε͔ΒͳΔγεςϜͱɺA,B ͷ fork ͞ΕͨΫϥελ
    17
    

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18. ©2022 Wantedly, Inc.
    5FSNJOPMPHZ
    7JSUVBM$MVTUFS
    Ծ૝తͳLVCFSFOUFTΫϥελ
    'PSL*EFOUJ
    fi
    FS
    'PSL͢Δ
    7JSUVBMDMVTUFSΛ۠ผ͢Δࣝผࢠ
    TIBSFE͔ΒWJSUVBMDMVTUFSΛ
    ಛఆͷGPSLJEFOUJ
    fi
    FSΛ΋ͱʹ
    ΞΫηεͰ͖Δ
    ࡞੒͢Δ͜ͱ
    4ͭͷϚΠΫϩαʔϏε͔ΒͳΔγεςϜͱɺA,B ͷ fork ͞ΕͨΫϥελ
    18
    

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19. ©2022 Wantedly, Inc.
    5FSNJOPMPHZ
    7JSUVBM$MVTUFS
    Ծ૝తͳLVCFSFOUFTΫϥελ
    'PSL*EFOUJ
    fi
    FS
    'PSL͢Δ
    7JSUVBMDMVTUFSΛ۠ผ͢Δࣝผࢠ
    TIBSFE͔ΒWJSUVBMDMVTUFSΛ
    ಛఆͷGPSLJEFOUJ
    fi
    FSΛ΋ͱʹ
    ΞΫηεͰ͖Δ
    ࡞੒͢Δ͜ͱ
    4ͭͷϚΠΫϩαʔϏε͔ΒͳΔγεςϜͱɺA,B ͷ fork ͞ΕͨΫϥελ
    19
    

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20. ©2021 Wantedly, Inc.
    Photo by Deva Darshan on Unsplash
    LVCFGPSLͷ͔͍ͭΈͪ
    20
    

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21. ©2022 Wantedly, Inc.
    ,VCFGPSLͷ͔͍ͭΈͪ
    Ϣʔεέʔε
    ౰ॳ૝ఆ͍ͯͨ͠Ϣʔεέʔε
    wΞϓϦέʔγϣϯ։ൃࢧԉ
    wखಈςετࢧԉ
    ೥Ҏ্ͷӡ༻Λܦͯൃݟ͞ΕͨϢʔεέʔε
    w1VMM3FRVFTU1SFWJFX
    w'FBUVSF
    fl
    BHͷͨΊͷ؀ڥੜ੒
    21
    

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22. ©2022 Wantedly, Inc.
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    

    

    ಛఆͷϦΫΤετ͚͕ͩϧʔςΟϯά͞ΕΔ
    

    4FSWJDF %FQMPZNFOUΛ࡞੒
    4FSWJDFʹUFMFQSFTFODFΛ࣮ߦ͠
    Ϋϥελ͔ΒͷϦΫΤετΛखݩʹϧʔςΟϯά
    ࣾ಺Ͱ͸MPDBMGPSLͱݺ͹Ε͍ͯΔ
    ૝ఆ͍ͯͨ͠ϢʔεέʔεɿΞϓϦέʔγϣϯ։ൃࢧԉ
    22
    

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23. ©2022 Wantedly, Inc.
    ૝ఆ͍ͯͨ͠Ϣʔεέʔεɿखಈςετࢧԉ
    23
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    

    

    ಛఆͷϦΫΤετ͚͕ͩϧʔςΟϯά͞ΕΔ
    

    4FSJWJDF %FQMPZNFOUΛ࡞੒
    

    ͜͜Ͱ࡞੒͢Δ%FQMPZNFOU͸ࣗ෼͕มߋͨ͠
    

    *NBHFΛઃఆ͓ͯ͘͠
    WJSUVBMDMVTUFS͕࡞੒Ͱ͖Ε͹
    ϒϥ΢β͔Βมߋ͕ࢼͤΔ
    खಈςετɾϨϏϡʔͳͲͷ༻్Ͱར༻
    

    

    ࣾ಺Ͱ͸SFNPUFGPSLͱݺ͹Ε͍ͯΔ
    

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24. ©2022 Wantedly, Inc.
    ͪͳΈʹɿࣾ಺ͷ࿩
    LVCF
    LVCFDUMͷϥούʔЋͷίϚϯυ
    Ϋϥελ͝ͱͷΞΫηεΛӅṭͨ͠Γ
    7JSUVBMDMVTUFSͷ࡞੒UFMFQSFTFODF
    ΛશࣗಈͰߦ͏
    LVCFDUMʹ͸ͳ͍ศརػೳ͕ར༻Մೳ
    LVCFGPSL
    24
    มߋ͕ೖͬͨ7JSUVBM$MVTUFSͷ࡞੒Λ
    

    ࣗಈͰߦ͏
    LVCFGPSLSFNPUF
    

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25. ©2022 Wantedly, Inc.
    ৽͍͠Ϣʔεέʔε: Pull Request Preview
    3FWJFX؀ڥͷࣗಈੜ੒
    13࡞੒࣌ʹWJSUVBMDMVTUFSΛࣗಈੜ੒
    ੜ੒͞Εͨ63-ʹΞΫηε͢ΔͱࢼͤΔ
    .JDSPTFSWJDFͰ΋1SFWJFX
    ֎͔Β௚઀౸ୡͰ͖ͳ͍.JDSPTFSWJDF
    

    ʹ΋ϧʔςΟϯάՄೳ
    ੜ੒͞Εͨ63-ʹΞΫηε͢Δ͜ͱͰ
    

    Ұ෦͚ͩมߋ͞ΕͨγεςϜΛࢼͤΔ
    ඇΤϯδχΞʹࢼͯ͠΋Β͏ͱ͖΋ศར
    

    ؀ڥߏங͕͍Βͳ͍
    TBOECPYͷσʔλΛ͔ͭͬͯࢼͤΔ
    25
    

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26. ©2022 Wantedly, Inc.
    ৽͍͠Ϣʔεέʔε: Pull Request Preview
    3FWJFX؀ڥͷࣗಈੜ੒
    13࡞੒࣌ʹWJSUVBMDMVTUFSΛࣗಈੜ੒
    ੜ੒͞Εͨ63-ʹΞΫηε͢ΔͱࢼͤΔ
    .JDSPTFSWJDFͰ΋1SFWJFXͰ͖Δ
    ֎͔Β௚઀౸ୡͰ͖ͳ͍.JDSPTFSWJDF
    

    ʹ΋ϧʔςΟϯάՄೳ
    ੜ੒͞Εͨ63-ʹΞΫηε͢Δ͜ͱͰ
    

    Ұ෦͚ͩมߋ͞ΕͨγεςϜΛࢼͤΔ
    ඇΤϯδχΞʹࢼͯ͠΋Β͏ͱ͖΋ศར
    

    ؀ڥߏங͕͍Βͳ͍
    TBOECPYͷσʔλΛ͔ͭͬͯࢼͤΔ
    26
    

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27. ©2022 Wantedly, Inc.
    Pull Request Preview URL ͷ࢓૊Έ
    27
    ։ൃऀ͕(JU)VCʹมߋΛQVTI
    มߋ͝ͱʹ%PDLFSJNBHFΛ࡞੒
    %PDLFSJNBHFͷ४උ͕Ͱ͖ͨΒ
    

    'PSLϦιʔεΛΫϥελʹ"QQMZ
    7JSUVBM$MVTUFSͷ४උ͕Ͱ͖ͨΒ
    

    13ʹίϝϯτ
    ίϝϯτ͞Εͨ63-ʹΞΫηε
    

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28. ©2022 Wantedly, Inc.
    ৽͍͠Ϣʔεέʔε: Feature Flag ͷͨΊͷ؀ڥੜ੒
    'FBUVSF'MBH
    ΞϓϦέʔγϣϯͷڍಈΛมߋ͢ΔͨΊͷج൫
    ୅දతͳྫɿ"#UFTU
    8BOUFEMZͷج൫͸)FBEFSͰ੍ޚՄೳ
    

    9GFBUVSF
    fl
    BHT\TPNF"#UFTUz"z^
    'PSLJEFOUJ
    fi
    FSͱಉ͡Α͏ʹGFBUVSF
    fl
    BH΋఻೻͢Δ͜ͱͰ
    ޙଆͷNJDSPTFSWJDFͷڍಈͰ΋ม͑ΒΕΔ
    28
    )FBEFSΛ࢖੍ͬͨޚ
    

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29. ©2022 Wantedly, Inc.
    ৽͍͠Ϣʔεέʔε: Feature Flag ͷͨΊͷ؀ڥੜ੒
    'FBUVSF'MBH(BUFXBZ
    ಛఆͷGFBUVSF
    fl
    BH͕༗ޮʹͳͬͨԾ૝Ϋϥελ͕࡞੒Մೳ
    TPNFEFWXBOUFEMZDPN
    TPNFGFBUVSFFOBCMFETPNFEFWXBOUFEMZDPN
    ྫ
    "#UFTUͷಛఆͷWBSJBOUͰදࣔ
    ϦϦʔεલͷػೳΛ༗ޮʹ͢Δ
    3BJMTͷΞϓϦέʔγϣϯͷBTTFUT
    

    ͚ͩखݩͷϦιʔεΛ࢖͏
    29
    'FBUVSF
    fl
    BHͳΒ৽نͷQPEແ͠Ͱར༻Մೳ
    

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30. ©2022 Wantedly, Inc.
    ͜͜·Ͱͷ·ͱΊ
    ,VCFGPSL
    wҰͭͷΫϥελ͔ΒԾ૝ΫϥελΛ࡞੒Ͱ͖Δ͘͠Έ
    wϢʔεέʔε
    wΞϓϦέʔγϣϯ։ൃࢧԉ
    wଞͷ։ൃऀʹ໎࿭Λ͔͚ͣʹUFMFQSFTFODFͰ͖Δ
    wखಈςετࢧԉ
    wखݩʹΞϓϦέʔγϣϯͷಈ࡞؀ڥ͕ͳͯ͘΋มߋΛ࣮ࡍͷϦΫΤετΛ࢖ͬͯࢼͤΔ
    w1VMM3FRVFTU1SFWJFX
    wͲΜͳαʔϏεͰ΋৮Γͳ͕ΒࢼͤΔ؀ڥͷࣗಈੜ੒
    w'FBUVSF'MBHͷͨΊͷ؀ڥੜ੒
    wσόοάʹศརͳ؀ڥ΍ɺ"#ςετͷൺֱͷͨΊͷ؀ڥͷੜ੒
    30
    

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31. ©2021 Wantedly, Inc.
    Photo by Kaleidico on Unsplash
    LVCFGPSLͷৄ͍͠࢓૊Έ
    31
    

    View Slide

32. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    32
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

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33. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    33
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

    View Slide

34. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    apiVersion: networking.istio.io/v1beta1
    
    
    kind: VirtualService
    
    
    metadata:
    
    
    labels:
    
    
    fork.k8s.wantedly.com/service: backend
    
    
    name: backend
    
    
    namespace: backend
    
    
    spec:
    
    
    hosts:
    
    
    - backend
    
    
    http:
    
    
    - match:
    
    
    - headers:
    
    
    x-fork-identifier:
    
    
    exact: many-todo-red
    
    
    route:
    
    
    - destination:
    
    
    host: backend-kubefork-many-todo-red
    
    
    - route:
    
    
    - destination:
    
    
    host: backend
    
    
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    34
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

    View Slide

35. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    apiVersion: networking.istio.io/v1beta1
    
    
    kind: VirtualService
    
    
    metadata:
    
    
    labels:
    
    
    fork.k8s.wantedly.com/service: backend
    
    
    name: backend
    
    
    namespace: backend
    
    
    spec:
    
    
    hosts:
    
    
    - backend
    
    
    http:
    
    
    - match:
    
    
    - headers:
    
    
    x-fork-identifier:
    
    
    exact: many-todo-red
    
    
    route:
    
    
    - destination:
    
    
    host: backend-kubefork-many-todo-red
    
    
    - route:
    
    
    - destination:
    
    
    host: backend
    
    
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    35
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

    View Slide

36. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    36
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

    View Slide

37. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    apiVersion: getambassador.io/v2
    
    
    kind: Mapping
    
    
    metadata:
    
    
    labels:
    
    
    fork.k8s.wantedly.com/manager: kubefork-manager
    
    
    name: backend-todo-test-many-todo-red
    
    
    namespace: emissary
    
    
    ownerReferences:
    
    
    spec:
    
    
    allow_upgrade:
    
    
    - websocket
    
    
    ambassador_id:
    
    
    - default
    
    
    add_request_headers:
    
    
    x-fork-identifier: many-todo-red
    
    
    x-forwarded-host: '%REQ(:authority)%'
    
    
    host: many-todo-red.backend.todo.test
    
    
    host_rewrite: backend.backend
    
    
    prefix: /
    
    
    rewrite: ""
    
    
    service: backend.backend
    
    
    timeout_ms: 90000
    
    
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    37
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

    View Slide

38. ©2022 Wantedly, Inc.
    ߏ੒ཁૉ
    apiVersion: getambassador.io/v2
    
    
    kind: Mapping
    
    
    metadata:
    
    
    labels:
    
    
    fork.k8s.wantedly.com/manager: kubefork-manager
    
    
    name: backend-todo-test-many-todo-red
    
    
    namespace: emissary
    
    
    ownerReferences:
    
    
    spec:
    
    
    allow_upgrade:
    
    
    - websocket
    
    
    ambassador_id:
    
    
    - default
    
    
    add_request_headers:
    
    
    x-fork-identifier: many-todo-red
    
    
    x-forwarded-host: '%REQ(:authority)%'
    
    
    host: many-todo-red.backend.todo.test
    
    
    host_rewrite: backend.backend
    
    
    prefix: /
    
    
    rewrite: ""
    
    
    service: backend.backend
    
    
    timeout_ms: 90000
    
    
    Service Mesh
    
    
    *TUJPͷϦΫΤετϧʔςΟϯάΛ׆༻
    ಛఆͷϔομ͕෇͍͍ͯΔϦΫΤετΛ
    ࢦఆͨ͠TFSWJDFʹϧʔςΟϯά͢Δ
    38
    Gateway
    
    
    "NCBTTBEPSͷIFBEFS෇༩ػೳΛ׆༻
    ϗετ໊ͱϔομͷରԠ෇͚Λߦ͏
    

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39. ©2022 Wantedly, Inc.
    7JSUVBMDMVTUFSͷ࡞੒
    7JSUVBM$MVTUFSʹඞཁͳϦιʔε
    w%FQMPZNFOU
    w4FSWJDF
    w7JSUVBM4FSWJDF
    w.BQQJOH
    39
    'PSLϦιʔε
    ্هͷϦιʔεΛҰׅͯ͠࡞੒͢Δ
    'PSLϦιʔεΛBQQMZ͢Δͱ
    7JSUVBMDMVTUFS͕࡞੒͞ΕΔମݧ
    'PSLϦιʔε͸LVCFGPSLDPOUSPMMFS͕ఏڙɾ؅ཧ͢Δ
    

    View Slide

40. ©2022 Wantedly, Inc.
    7JSUVBMDMVTUFSͷ࡞੒
    apiVersion: fork.k8s.wantedly.com/v1beta1
    
    
    kind: Fork
    
    
    metadata:
    
    
    generation: 1
    
    
    labels:
    
    
    fork.k8s.wantedly.com/identifier: red
    
    
    name: kubefork-red
    
    
    namespace: option
    
    
    spec:
    
    
    deployments:
    
    
    replicas: 1
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    template:
    
    
    metadata:
    
    
    labels:
    
    
    app: red
    
    
    role: fork
    
    
    spec:
    
    
    containers:
    
    
    - env:
    
    
    - name: FORK_IDENTIFIER
    
    
    value: red
    
    
    image: onsd/todo-option:other
    
    
    name: todo-option
    
    
    resources: {}
    
    
    identifier: red
    
    
    manager: emissary/kubefork-manager
    
    
    services:
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    7JSUVBM$MVTUFSʹඞཁͳϦιʔε
    w%FQMPZNFOU
    w4FSWJDF
    w7JSUVBM4FSWJDF
    w.BQQJOH
    40
    'PSLϦιʔε
    ্هͷϦιʔεΛҰׅͯ͠࡞੒͢Δ
    'PSLϦιʔεΛBQQMZ͢Δͱ
    7JSUVBMDMVTUFS͕࡞੒͞ΕΔମݧ
    'PSLϦιʔε͸LVCFGPSLDPOUSPMMFS͕ఏڙɾ؅ཧ͢Δ
    

    View Slide

41. ©2022 Wantedly, Inc.
    7JSUVBMDMVTUFSͷ࡞੒
    apiVersion: fork.k8s.wantedly.com/v1beta1
    
    
    kind: Fork
    
    
    metadata:
    
    
    generation: 1
    
    
    labels:
    
    
    fork.k8s.wantedly.com/identifier: red
    
    
    name: kubefork-red
    
    
    namespace: option
    
    
    spec:
    
    
    deployments:
    
    
    replicas: 1
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    template:
    
    
    metadata:
    
    
    labels:
    
    
    app: red
    
    
    role: fork
    
    
    spec:
    
    
    containers:
    
    
    - env:
    
    
    - name: FORK_IDENTIFIER
    
    
    value: red
    
    
    image: onsd/todo-option:other
    
    
    name: todo-option
    
    
    resources: {}
    
    
    identifier: red
    
    
    manager: emissary/kubefork-manager
    
    
    services:
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    7JSUVBM$MVTUFSʹඞཁͳϦιʔε
    w%FQMPZNFOU
    w4FSWJDF
    w7JSUVBM4FSWJDF
    w.BQQJOH
    41
    'PSLϦιʔε
    ্هͷϦιʔεΛҰׅͯ͠࡞੒͢Δ
    'PSLϦιʔεΛBQQMZ͢Δͱ
    7JSUVBMDMVTUFS͕࡞੒͞ΕΔମݧ
    'PSLϦιʔε͸LVCFGPSLDPOUSPMMFS͕ఏڙɾ؅ཧ͢Δ
    

    View Slide

42. ©2022 Wantedly, Inc.
    7JSUVBMDMVTUFSͷ࡞੒
    apiVersion: fork.k8s.wantedly.com/v1beta1
    
    
    kind: Fork
    
    
    metadata:
    
    
    generation: 1
    
    
    labels:
    
    
    fork.k8s.wantedly.com/identifier: red
    
    
    name: kubefork-red
    
    
    namespace: option
    
    
    spec:
    
    
    deployments:
    
    
    replicas: 1
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    template:
    
    
    metadata:
    
    
    labels:
    
    
    app: red
    
    
    role: fork
    
    
    spec:
    
    
    containers:
    
    
    - env:
    
    
    - name: FORK_IDENTIFIER
    
    
    value: red
    
    
    image: onsd/todo-option:other
    
    
    name: todo-option
    
    
    resources: {}
    
    
    identifier: red
    
    
    manager: emissary/kubefork-manager
    
    
    services:
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    7JSUVBM$MVTUFSʹඞཁͳϦιʔε
    w%FQMPZNFOU
    w4FSWJDF
    w7JSUVBM4FSWJDF
    w.BQQJOH
    42
    'PSLϦιʔε
    ্هͷϦιʔεΛҰׅͯ͠࡞੒͢Δ
    'PSLϦιʔεΛBQQMZ͢Δͱ
    7JSUVBMDMVTUFS͕࡞੒͞ΕΔମݧ
    'PSLϦιʔε͸LVCFGPSLDPOUSPMMFS͕ఏڙɾ؅ཧ͢Δ
    

    View Slide

43. ©2022 Wantedly, Inc.
    7JSUVBMDMVTUFSͷ࡞੒
    apiVersion: fork.k8s.wantedly.com/v1beta1
    
    
    kind: Fork
    
    
    metadata:
    
    
    generation: 1
    
    
    labels:
    
    
    fork.k8s.wantedly.com/identifier: red
    
    
    name: kubefork-red
    
    
    namespace: option
    
    
    spec:
    
    
    deployments:
    
    
    replicas: 1
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    template:
    
    
    metadata:
    
    
    labels:
    
    
    app: red
    
    
    role: fork
    
    
    spec:
    
    
    containers:
    
    
    - env:
    
    
    - name: FORK_IDENTIFIER
    
    
    value: red
    
    
    image: onsd/todo-option:other
    
    
    name: todo-option
    
    
    resources: {}
    
    
    identifier: red
    
    
    manager: emissary/kubefork-manager
    
    
    services:
    
    
    selector:
    
    
    matchLabels:
    
    
    app: option
    
    
    7JSUVBM$MVTUFSʹඞཁͳϦιʔε
    w%FQMPZNFOU
    w4FSWJDF
    w7JSUVBM4FSWJDF
    w.BQQJOH
    43
    'PSLϦιʔε
    ্هͷϦιʔεΛҰׅͯ͠࡞੒͢Δ
    'PSLϦιʔεΛBQQMZ͢Δͱ
    7JSUVBMDMVTUFS͕࡞੒͞ΕΔମݧ
    'PSLϦιʔε͸LVCFGPSLDPOUSPMMFS͕ఏڙɾ؅ཧ͢Δ
    

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44. ©2022 Wantedly, Inc.
    kubefork ʹؔ࿈͢ΔϦιʔε
    44
    ਫ৭Ͱғ·Ε͍ͯΔͷ͕WJSUVBMDMVTUFSͷ࡞੒ʹඞཁͳϦιʔε
    

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45. ©2022 Wantedly, Inc.
    LVCFGPSLDPOUSPMMFS
    

    ͕044ʹͳΓ·ͨ͠
    (JU)VCʹͯެ։த
    45
    https://github.com/wantedly/kubefork-controller
    

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46. ©2022 Wantedly, Inc.
    LVCFGPSLDPOUSPMMFSʹؚ·Ε͍ͯΔ΋ͷ
    $POUPSPMMFSͷ࣮૷
    ,VCFGPSLͷ࣮ݱʹඞཁͳ࣮૷શͯ
    LVCFGPSLͱ͸ʁͱ͍ͬͨͱ͜Ζ͔Βɺ֤छϦιʔεͷઆ໌·Ͱ
    LVCFGPSLͷυΩϡϝϯτ
    46
    'PSLϦιʔεΛੜ੒͢ΔͨΊͷ$-*
    LVCFGPSLDUM
    

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47. ©2022 Wantedly, Inc.
    σϞ
    47
    5PEPදࣔαʔϏε
    ̏ͭͷαʔϏε͔ΒͳΔ
    'SPOUFOE
    #BDLFOE͔ΒUPEPΛऔಘ
    #BDLFOE
    5PEPͷϦετΛ͍࣋ͬͯΔ
    ϦΫΤετ͕དྷΔͱɺ0QUJPO͔Β
    

    5PEPͷ৭Λऔಘͯ͠ฦ͢
    0QUJPO
    5PEPͷ৭Λฦ͢αʔϏε
    

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48. ©2022 Wantedly, Inc.
    σϞ
    48
    7JSUVBM$MVTUFS
    ඞͣ੺৭Λฦ͢มߋΛPQUJPOͰࢼͨ͢Ίʹ
    มߋ͕ೖͬͨWJSUVBMDMVTUFSΛ࡞੒͢Δ
    

    

    GPSLJEFOUJ
    fi
    FS͸SFEʹͨ͠
    

    SFEUPEPUFTUͰΞΫηεՄೳ
    

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49. ©2022 Wantedly, Inc.
    σϞ
    49
    7JSUVBM$MVTUFS
    ෳ਺ͷมߋ͕ೖͬͨ
    

    7JSUVBM$MVTUFS΋࡞੒Մೳ
    

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50. ©2022 Wantedly, Inc.
    LVCFGPSLDPOUSPMMFSͷվળҊ
    (BUFXBZϨΠϠͷࠩ͠ସ͑ʹରԠ
    ݱঢ়"NCBTTBEPSͱີ݁߹
    

    )PTU໊͝ͱʹϔομΛ෇͚Δػೳ͕͋Ε͹ଞͷHBUFXBZͰ΋͍͍͸ͣ
    ݱঢ়ϔομ఻ൖ͸ΞϓϦέʔγϣϯͰ࣮૷͢Δඞཁ͕͋Δ
    

    ΞϓϦέʔγϣϯͷରԠແ͠Ͱϔομ఻ൖ͕࣮ݱͰ͖ͳ͍͔ʁ
    )FBEFS1SPQBHBUJPOػೳͷఏڙ
    50
    

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51. ©2022 Wantedly, Inc.
    ·ͱΊ
    51
    kubefork
    
    
    ҰͭͷΫϥελ͔ΒԾ૝తͳΫϥελΛ࡞੒
    

    มߋΛͲΜͲΜࢼ͢͜ͱ͕Ͱ͖Δ؀ڥΛ࡞Δ
    େࣄͳͷ͸࣍ͷ̎ͭ
    wϔομΛ΋ͱʹͨ͠ϦΫΤετϧʔςΟϯά
    wϗετ໊ͱϔομͷରԠ෇͚
    kubefork-controller
    
    
    ΧελϜϦιʔεΛ΋ͱʹԾ૝తͳΫϥελΛ࡞੒
    (JU)VCʹͯެ։த
    

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52. ©2022 Wantedly, Inc.
    ͋Γ͕ͱ͏͍͟͝·ͨ͠
    52
    

    View Slide