Envoyを分かりやすく例えつつApp Meshの話をします

by Masato Oshima

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"QQ.FTIͷ࿩Λ͠Α͏ͱࢥͬ ͚ͨͲ-5ͳͷͰৄ͘͠͸ϒϩά Λݟͯ΋Β͏ͱͯ͠ࠓ೔͸ FOWPZΛ෼͔Γ΍͘͢ྫ͑Δ ͷΛ΍ͬͯΈ·͢ !@NQPO +"846(ίϯςφࢧ෦

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AWS App Meshͷϒϩάॻ͍ͨͷͰಡΜͰ͍ͩ͘͞ https://tech.recruit-mp.co.jp/infrastructure/post-17720/ SFJOWFOUBQQNFTI࢓૊Έ Ͱݕࡧ

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What is Envoy? ENVOY IS AN OPEN SOURCE EDGE AND SERVICE PROXY, DESIGNED FOR CLOUD-NATIVE APPLICATIONS

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What is Envoy? ENVOY IS AN OPEN SOURCE EDGE AND SERVICE PROXY, DESIGNED FOR CLOUD-NATIVE APPLICATIONS αʔϏεϓϩΩγʁ

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αʔϏεϓϩΩγʁ

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ΈΜͳେ޷͖nginxͳΒ෼͔Δ

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ྫ͑͹ɺnginxΛ࢖ͬͯ͜ΜͳΞΫηε )551 GPP XXXFYBNQMFDPN

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nginx.conf )551 GPP XXXFYBNQMFDPN

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listen )551 GPP XXXFYBNQMFDPN

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location )551 GPP XXXFYBNQMFDPN

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upstream )551 GPP XXXFYBNQMFDPN

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envoyͰ΋ಉ͜͡ͱ͕Ͱ͖Δ )551 GPP XXXFYBNQMFDPN

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envoyͷઃఆϑΝΠϧ͸yamlͰ͢ ͪΐͬͱ௕͍͚Ͳ ݟ͍͖ͯ·͠ΐ͏ )551 GPP XXXFYBNQMFDPN

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listeners )551 GPP XXXFYBNQMFDPN

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routes )551 GPP XXXFYBNQMFDPN

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clusters )551 GPP XXXFYBNQMFDPN

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Why envoy? ผʹOHJOYͰ΋ ͍͍ͷͰ͸ʁ

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Cloud-NativeલఏͰ࡞ΒΕ͍ͯΔ ENVOY IS AN OPEN SOURCE EDGE AND SERVICE PROXY, DESIGNED FOR CLOUD-NATIVE APPLICATIONS

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Cloud-NativeͷੈքͰ͸ಈతʹมԽ͠ଓ͚Δ Cluster ࢮΜͩ͜ͱΛ ֬ೝ͠ଓ͚Δ ৽͍͠ͷ͕ ੜ·Εͨ͜ͱ Λൃݟ͢Δ OHJOYDPOGΛ ॻ͖׵͑ͯ࠶σϓϩΠ ͢Δ͔͠ͳ͍ ৽͍͠΍ͭʹ͸ গͣͭ͠ϦΫΤετ ৼΓ͍ͨ

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envoy͸ಈతʹઃఆΛऔಘͰ͖Δ Կ൪ϙʔτͰ-JTUFO͢Δʁ Ͱʂ Ͳ͜ʹϧʔςΟϯά͢Δʁ GPP͸BQQ΁ Management Server BQQ͸Ͳ͜ʁ

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LDS Կ൪ϙʔτͰ-JTUFO͢Δʁ Ͱʂ Ͳ͜ʹϧʔςΟϯά͢Δʁ GPP͸BQQ΁ BQQ͸Ͳ͜ʁ LDS: Listener Discovery Service Management Server

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RDS Կ൪ϙʔτͰ-JTUFO͢Δʁ Ͱʂ Ͳ͜ʹϧʔςΟϯά͢Δʁ GPP͸BQQ΁ BQQ͸Ͳ͜ʁ LDS: Listener Discovery Service RDS: Route Discovery Service Management Server

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CDS/EDS Կ൪ϙʔτͰ-JTUFO͢Δʁ Ͱʂ Ͳ͜ʹϧʔςΟϯά͢Δʁ GPP͸BQQ΁ BQQ͸Ͳ͜ʁ RDS: Route Discovery Service LDS: Listener Discovery Service CDS/EDS: Cluster Discovery Service/Endpoint Discovery Service Management Server

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App Mesh͕ఏڙͯ͘͠ΕΔ Կ൪ϙʔτͰ-JTUFO͢Δʁ Ͱʂ Ͳ͜ʹϧʔςΟϯά͢Δʁ GPP͸BQQ΁ BQQ͸Ͳ͜ʁ RDS: Route Discovery Service LDS: Listener Discovery Service CDS/EDS: Cluster Discovery Service/Endpoint Discovery Service

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EnvoyΛཧղ͢Ε͹App Mesh͕ݟ͑ͯ͘Δ ref: https://aws.amazon.com/jp/blogs/compute/introducing-aws-app-mesh-service-mesh-for-microservices-on-aws/

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App MeshͷGA·ͰͷಓͷΓ ➤ .POJUPSJOH ➤ 5SBDJOH ➤ 3FUSZ ➤ $JSDVJU#SFBLFST ➤ "84ίϯιʔϧը໘ɺͳͲͳͲ ͕ػೳͱ͍ͯ࣋ͬͯ͠Δ͜ͱΛ࣮૷͍ͯ͘͠ ͸ݱঢ়1VCMJD#FUBɻ$-*POMZɺ5SBGGJD3PVUJOH͔͠Ͱ͖ͳ͍ https://github.com/awslabs/aws-app-mesh-examples/issues?q=is%3Aissue+is%3Aopen+label%3AGA