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झຯͷGo͔Β
ചಓ۩ͱͯ͠ͷGo
@ariarijp
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w !BSJBSJKQ 5BLVZB"SJUB
w גࣜձࣾίίϥϒϧ
ιϑτΣΞΤϯδχΞ
ࣗݾհ
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”झຯ”ͰGoΛ
ษڧ͍ͯ͠·͢
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Έͳ͞ΜGoΛ
“ࣄ”Ͱ͍ͬͯ·͔͢ʁ
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͔ͤͬ͘ษڧ͢ΔͳΒࣄͰ͍͍ͨͷͰ
ͪΐͬͱͨ͠πʔϧΛॻ͍ͯΈ·ͨ͠
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Canaryeye
https://github.com/ariarijp/canaryeye
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ԿΛ͢ΔͨΊͷπʔϧ͔
• ApacheͷϩάΛࢹͯ͠ɺNඵҎʹMճҎ্ͷϦΫΤετ͕
ಉҰͷϗετ͔Β͋ͬͨΒɺࢦఆ͞ΕͨίϚϯυʹύΠϓͰ
JSONจࣈྻΛૹΔ
• ड͚औͬͨଆͷίϚϯυͰSlackΛͬͯ௨ͱ͔͓͖ͳΑ͏
ʹͰ͖Δ
• ۩ମతʹ(D)DoSͬΆ͍งғؾΛΞΫηεϩά͔Βݕ͍ͨ͠
• songmu͞Μͷhorensoʹڧ͘ӨڹΛड͚·ͨ͠
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CanaryeyeΛ࡞Γͳ͕Βߟ͑ͨ͜ͱ
• GoΛͬͯͳΜΒ͔ͷՁΛग़͍ͨ͠
• ແཧͯ͠ϝϯςφϯε͕ਏ͘ͳΔΛ࡞Βͳ͍
• ʮͳͯ͘ࠔΒͳ͍ʯ͚Ͳʮ͋ͬͨΒศརʯΛࢦ͢
• goroutineΛͬͨΓͯ͠ɺGoͬΆ͍ίʔυΛॻ͖ͨ
͍
• Τϥʔॲཧ͕·͍͠
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͔ͤͬ͘ॻ͍ͨͷͰ
ຊ൪ڥʹೖΕͯΈ·ͨ͠
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ຊ൪Ͱಈ͔ͯ͠Έͯࢥͬͨ͜ͱ
• όΠφϦૹΓ͚ͭΔ͚ͩͰಈ͘ͱ͍͏ͷͱͯ
ָ
• ؆୯ʹΫϩείϯύΠϧͰ͖Δͷڧ͍
• ຊؾͰ͏ͳΒσʔϞϯԽ͠ͳ͍ͱ͍͚ͳ͍ͷ
Ͱɺsupervisordͱ͔͕ඞཁ͔ͳͱࢥͬͨ
• ςετॻ͜͏
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͜Μͳײ͡Ͱࠓ͔Β
Go࠾༻اۀʹͳͬͨؾ͕͠·͢
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GoΛࣄͰ͍ͬͯΔͱ͍͏ํ
Ͳ͏ͬͯݱʹಋೖ͍͔ͯͬͨ͠
ͥͻڭ͑ͯԼ͍͞
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os.Exit(0)