Debugging for MicroService on Kubernetes

Transcript

1. Debugging for MicroService
   on Kubernetes
   1
   

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2. ࣗݾ঺հ
   ໊લ: ү ݡେ(@go_vargo)
   ॴଐ: גࣜձࣾίϩϓϥ
   ɹɹ Πϯϑϥάϧʔϓ ୈ2άϧʔϓ
   झຯ: Ϋϥ΢υωΠςΟϒܥͷMeetup΁ͷࢀՃ
   CKA/CKADऔಘ͠·ͨ͠
   https://qiita.com/go_vargo/items/3644c3a44734e2c155f4
   2
   

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3. ࠓ೔ͷςʔϚͷσόοά
   Remote Debugging
   ผͷίϯϐϡʔλʔ(αʔόʔ)Ͱ഑ஔɾ࣮ߦ͞Ε
   ͍ͯΔΞϓϦέʔγϣϯΛσόοά͢Δ͜ͱ
   3
   

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4. ʙ Cloud Nativeʹ͓͚ΔDebugging ʙ
   4
   

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5. CNCF Cloud Native Interactive Landscape
   https://landscape.cncf.io/images/landscape.png
   5
   

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6. CNCF Cloud Native Interactive Landscape
   https://landscape.cncf.io/images/landscape.png
   6
   

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7. Debugging Tool for Cloud Native
   7
   Squash Telepresence
   https://www.telepresence.io/
   https://squash.solo.io/
   

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8. SquashɾTelepresenceૣݟද
   8
   όʔδϣϯ ༻్ ڧΈ
   Squash
   ϦϞʔτ
   σόοά
   όάͷτϨʔε
   ϩδοΫͷ֬ೝ
   Telepresence
   Πϝʔδͷ
   ஔ׵
   ΠϝʔδϏϧυ&σϓϩΠ
   ͷ୹ॖ
   ͦΕͧΕ༻్͕ҧ͏ͷͰɺ࢖͍͍ͨ࣌͸࢖͍෼͚Δ
   → ࠓճ͸Squashʹண໨
   ஫ҙ఺͕͍͔ͭ͋͘ΔͷͰཹҙ͍ͯͩ͘͠͞(ޙड़)
   Telepresenceʹ͍ͭͯ͸Cloud Native Meetup #7 ʮtelepresence Ͱ࢝ΊΔ k8s ࣌୅ͷϩʔΧϧ։ൃʯࢀর
   https://speakerdeck.com/shiro16/telepresence-deshi-meru-k8s-shi-dai-falserokarukai-fa
   

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9. 9
   Squashͷ։ൃݩ
   Chaos Debugging: Finding and Fixing Microservice Weak Points - Idit Levine & Mitch Kelley, Solo.io

   https://www.youtube.com/watch?v=jkcFFr8lLTA
   ΑΓൈਮ
   solo.io: https://www.solo.io/
   

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10. 10
    ɾϚΠΫϩαʔϏεͷσόοά
    ɾPod಺ͷίϯςφͷσόοά
    ɾαʔϏεͷσόοά
    ɾϒϨʔΫϙΠϯτͷઃఆ
    ɾίʔυͷεςοϓॲཧ
    ɾม਺ͷධՁͱमਖ਼
    ɾͦͷଞ௨ৗͷσόοΨʔͰͰ͖Δ͜ͱ
    SquashΛ࢖͏ͱͰ͖Δ͜ͱ
    KubernetesͰͷΤϥʔͷௐࠪํ๏͸ɺkubectl log΍describeͰ֬ೝ
    → ϩά΍Πϕϯτʹग़ͯ͜ͳ͍Τϥʔ͸ௐࠪͰ͖ͳ͍
    → SquashΛ࢖͏ͱϩάʹग़ͯ͜ͳ͍ΤϥʔͷݪҼΛௐࠪͰ͖Δʂ
    

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11. 11
    Debugger
    ɾDelve(Go)
    ɾJava
    ɾGDB(2019)
    ɾNodejs(2019)
    ɾPython - ptvsd(2019)
    IDE
    ɾVisual Studio Code
    ɾIntelliJ(※։ൃ͕ࢭ·͍ͬͯͯಈ͔ͳ͍ɻ2019ߋ৽༧ఆ?)
    ɾEclipse(2019)
    RoadMapͱͯ͠Service Mesh(Istio)ͱͷ૊Έ߹Θͤ΋2019೥ʹܭը
    Squashͷαϙʔτର৅
    

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12. ʙ Demo ʙ
    12
    

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13. 13
    ެࣜQuick Start: 

    https://squash.solo.io/overview/
    Qiitaʹৄࡉखॱ΋ࡌ͍ͤͯ·͢
    https://qiita.com/go_vargo/items/df9084a080f66f9da0cc
    Squash Quick Start
    

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14. ,VCFSOFUFT$MVTUFS
    14
    Demo Application(1/2)
    %FQMPZNFOU

    &YBNQMF4FSWJDF
    (P
    
    %FQMPZNFOU

    &YBNQMF4FSWJDF
    (PPS+BWB
    
    DBMDVMBUF
    3&45"1*
    Laptop
    Delve
    VSCode
    ϩʔΧϧ؀ڥʹ͸ࣄલʹΠϯετʔϧ
    ɾGo
    ɾDelve
    ɾSquashctl
    ɾVisual Studio Code
    ɾVisual Studio Code Extension for Squash
    

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15. ,VCFSOFUFT$MVTUFS
    EFGBVMU/BNFTQBDF
    15
    Demo Application(2/2)
    %FQMPZNFOU

    &YBNQMF4FSWJDF
    (P
    
    %FQMPZNFOU

    &YBNQMF4FSWJDF
    (PPS+BWB
    
    DBMDVMBUF
    3&45"1*
    TRVBTIEFCVHHFS/BNFTQBDF
    VSCode
    1MBOL1PE
    

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16. 16
    ɾσόοά͕ऴΘͬͨޙʹɺPlankͷPod͕࡟আ͞
    Εͳ͍ͷͰࣗ෼ͰClean Up͢Δ
    ɾσόοάͷ౓ʹιʔεϚοϐϯάͷઃఆΛߦ͏
    ඞཁ͕͋Δ(ಛʹGoݴޠ)
    ࢀߟ:
    ஫ҙ఺
    https://squash.solo.io/configuration/
    

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17. 17
    ɾSquash͸ɺDebugger for MicroService
    ɾର৅Debugger/IDEͱ΋ʹ͜Ε͔Βͷ։ൃʹظ଴
    ɾTelepresenceͱ͸έʔεʹΑͬͯ࢖͍෼͚
    ͋͘·ͰDebuggerͳͷͰɺຊ൪؀ڥͰ͸࢖Θͳ͍
    Α͏ʹʂ
    Squashͷ͜Ε͔Βʹظ଴ʂ
    ·ͱΊ
    

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18. 18
    8&"3&)*3*/(ʂʂ
    ˝*OGSBTUSVDUVSF&OHJOFFS
    -JOVY $MPVE4QBOOFS .Z42- ($1 (,& 4QJOOBLFS
    ˝4FSWFSTJEF&OHJOFFS
    -JOVY 1)1 +BWB (P $MPVE4QBOOFS .Z42-
    

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