さくらのクラウド向けオートスケーラー / autoscaler for SAKURA cloud

2021/6/22 さくらのマイクロコミュニティ vol.2(https://sakura-tokyo.connpass.com/event/213361/)でのLT資料

[sacloud/autoscaler](https://github.com/sacloud/autoscaler)についての紹介

Transcript

1. !ZBNBNPUPGFCD
   ͘͞ΒͷϚΠΫϩίϛϡχςΟ
   $-*"1*Ϣʔβʔͷձ WPM
   
   https://github.com/sacloud/autoscaler
   

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2. Φʔτεέʔϧͱ͸
   

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3. Φʔτεέʔϧͱ͸
   ʮαʔϏεͷఏڙʯΛߦ͏ͨΊʹɺ
   ʮ੍໿ʯΛकΓͳ͕Βɺ
   ʮϦιʔεྔΛ࠷దԽʯ͢Δ࢓૊Έ
   

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4. ʮΦʔτεέʔϧʯʹඞཁͳ΋ͷ
   ɾ؂ࢹܭଌ
   ϝʔλϦϯά
   
   ɾ੍໿
   ίϯτϩʔϥ
   Ϧιʔεͷૢ࡞
   ࡞੒มߋ࡟আ
   
   

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5. ʮΦʔτεέʔϧʯʹඞཁͳ΋ͷ
   ʮݱࡏͷঢ়گʯΛड͚ʮ͋Δ΂͖࢟ʯΛࢉग़
   ྫ
   ɾԿ୆ͷαʔό͕ඞཁ
   ɾ$16ϝϞϦαΠζ͸
   ɾ؂ࢹܭଌ
   ϝʔλϦϯά
   
   ɾ੍໿
   ίϯτϩʔϥ
   Ϧιʔεͷૢ࡞
   ࡞੒มߋ࡟আ
   
   

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6. ͷकඋൣғ
   ɾ؂ࢹܭଌ
   ϝʔλϦϯά
   
   ɾ੍໿
   ίϯτϩʔϥ
   Ϧιʔεͷૢ࡞
   ࡞੒มߋ࡟আ
   
   

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7. ɾ؂ࢹܭଌ
   ϝʔλϦϯά
   
   ɾ੍໿
   ίϯτϩʔϥ
   Ϧιʔεͷૢ࡞
   ࡞੒มߋ࡟আ
   
   ͷकඋൣғ
   ʁ
   

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8. ɾ؂ࢹܭଌ
   ϝʔλϦϯά
   
   ɾ੍໿
   ίϯτϩʔϥ
   Ϧιʔεͷૢ࡞
   ࡞੒มߋ࡟আ
   
   ͷकඋൣғ
   

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9. Inputs Core Handlers
   Trigger from
   Monitoring System
   via
   Webhook
   Compute
   Desired State
   Provisioning
   Fetch
   Current State
   

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10. ࢖͍ํ
    

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11. αʔόͷਨ௚εέʔϧ &-#͔ΒͷσλονΞλον
    &-#ͷਨ௚εέʔϧ $14มߋ
    
    ૢ࡞͍ͨ͠ϦιʔεΛఆٛ
    छྨ ηϨΫλ *%PS/BNFPS5BHT
    κʔϯ
    
    "VUP4DBMFS $PSFͷઃఆϑΝΠϧ࡞੒
    

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12. "VUP4DBMFS $PSF αʔό
    Λىಈ
    714΍Ϩϯλϧαʔόɺ
    ΦϯϓϨͰ΋0,
    ઃఆϑΝΠϧ
    Core
    $ autoscaler server start
    

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13. "VUP4DBMFS *OQVUT αʔό
    Λىಈ
    $PSFͱಉ͡Ϛγϯ্Ͱ΋0,
    ઃఆϑΝΠϧ
    Core
    $ autoscaler server start
    $ autoscaler inputs grafana
    Inputs
    

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14. ઃఆϑΝΠϧ
    Core
    $ autoscaler server start
    ؂ࢹπʔϧଆͰ8FCIPPLૹ৴ Ξϥʔτ
    ઃఆ
    ΞϥʔτΛઃఆ͠ɺ
    8FCIPPLͰ*OQVUT΁ૹ৴
    $ autoscaler inputs grafana
    Inputs
    

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15. ઃఆϑΝΠϧ
    Core
    $ autoscaler server start
    )BOEMFST͸ىಈ͠ͳ͍͍ͯ͘ͷ
    Α͘࢖͏ϋϯυϥʔ͸
    $PSFʹϏϧτΠϯ͞Ε͍ͯΔ
    $ autoscaler inputs grafana
    Inputs Handlers
    

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16. Inputsͷఏڙൣғ
    (SBGBOB "MFSU.BOBHFS
    ;BCCJY ൚༻8FCIPPL
    .BDLFSFMͱ͔%BUB%PHͱ͔
    
    ఆظ࣮ߦ DSPO
    
    %JSFDU
    $-*
    
    

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17. Handlers
    4FSWFS &-#
    (4-# &-# -# "QQMJBODF
    
    3PVUFS
    ਨ௚εέʔϧܥ
    σλονΞλονܥ
    ͦͷଞ
    4FSWFS(SPVQ
    ਫฏεέʔϧ
    
    γΣϧεΫϦϓτ
    "84࿈ܞͳͲ
    ˞جຊతͳϋϯυϥ͸ϏϧτΠϯͰɺH31$ܦ༝Ͱ͸ͳ͍
    ίΞʹόϯυϧ͞Ε͍ͯΔ
    
    

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18. ϩʔυϚοϓ
    ͍ΘΏΔ.71
    ͱΓ͋͑ͣಈ͘
    W
    • ෳ਺ϦιʔεରԠ
    • -#ରԠ
    W
    • ਫฏεέʔϧ
    • 5-4ରԠ
    • ;BCCJYରԠ
    • ͦͷଞ
    Wd
    ͍·͜͜
    

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19. https://github.com/sacloud/autoscaler
    

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