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MDH-LT-Thursday-20170126
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Shuhei Kimura
January 26, 2017
Technology
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1.6k
MDH-LT-Thursday-20170126
Shuhei Kimura
January 26, 2017
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Transcript
ECS্Ͱಈ͘DockerΞϓϦέʔγϣϯΛTerraformΛ ͬͯσϓϩΠ͢ΔΑ͏ʹͯ͠Έͨ Dynalyst System Engineer Shuhei Kimura
DynalystͰγεςϜͯ͢AWSͰߏங͞Ε͍ͯ·͢ ֓ཁ - ϦλʔήςΟϯάࠂ৴αʔϏεϓϥοτϑΥʔϜͰ͢ɻ - ੈքதͷސ٬ʹαʔϏεΛఏڙ͠·͢ɻ نײ - RTBͰɺϐʔΫ࣌13ສQPS@Asia/Tokyo Region,
10ສQPS@US/East Region - ೖࡳαʔό྆RegionͰ120 - ܭଌͳͲॾʑؚΊͯEC2 200ۙ͘Instance͕Քಇத - ֤छϩά͓Αͦ1.5TB/dayΛS3ʹอଘ
Ͳ͏ͬͯΞϓϦέʔγϣϯͷϦϦʔεͯ͠·͔͢ʁ ࣮ߦڥ x σϓϩΠํ๏ = Ұൠతʹͱͯଟ༷Ͱ͋Δ - Fabric/CapistranoͳͲΛͬͯEC2ʹΞϓϦΛϦϦʔε - Apex/aws-cliͳͲΛͬͯLambdaFunctionΛϦϦʔε
- ElasticbeanstalkΛར༻ͯ͠ELB+EC2ߏͷΞϓϦΛRollingUpdateϦϦʔε - Chef/Ansible/PuppetͳͲͰपลڥؚΊͯprovisionͯ͠ϦϦʔε DynalystͰɺ͍Ζ͍Ζͳٕज़తઓͷ݁Ռ .. ͍Ζ͍Ζͳ࣮ߦڥͰ৭ʑͳΞϓϦ͕ಈ͍͍ͯΔঢ়ଶΛ ίπίπFabricͷtaskΛՃͨ͠Γϝϯςͨ͠Γ͠ͳ͕Βɺ ͳΜͱ͔Γ͘Γ͍ͯ͠Δঢ়ଶɻ
σϓϩΠͷ؍͔ΒEC2 Container Service ʹະདྷΛײͨ͡ ECS Cluster - αʔόϦιʔεແବͳ͘༗ޮʹ͍ͭͭ ECS Task
Definition - ʓʓͳΞϓϦΛ ECS Service - XXͳ෩ʹಈ͔͍ͨ͠ ͍ΖΜͳΞϓϦέʔγϣϯΛಈ͔͢େલఏ͕ͱͯ౷Ұ͞Εͨঢ়ଶʹͳΔ BatchAPIWorkerConsumer͍͍ͩͨECS্Ͱಈ͔ͤΔ DockerContainerԽ͢Δ͜ͱ͕σϓϩΠͷγϯϓϧԽʹܨ͕Δͱ͍͏ߟ͑
ECS Docker ApplicationΛTerraformΛͬͯϦϦʔε͠Α͏ ͳΜͰTerraformʁ - ίʔυͰ͔͚Δ - ECSͱͷIntegration͕ͪΌΜͱ։ൃ͞Εͯͨ - ੜͷAPIୟ͘ͷ͖ͬͱͲ͔͜Ͱ࠳ં͢Δ,
retryͱ͔πϥͦ͏ - terraformͷΊΜͲ͍͘͞ͱ͜ΖΛ͋Μ·Γؾʹ͠ͳͯ͘Α͍ 㱺 stateյΕͯͳΜͱͳ͍ɻ࠶ߏஙͯ͠deploy͍͍ͤ͠ɻ - MultiRegionΛߟ͑Δͱɺಉ࣌ʹσϓϩΠͱ͔͕ͨΓલʹͳͬͯͣ͘ 㱺 ݁ہͷͱ͜ΖதAWS APIͳͷͰ౿Έαʔό͍ΒͣͰσϓϩΠͰ͖Δʂ 㱺 CircleCI͔Βterraform࣮ߦ͢Δͱ͔͢ΕɺσϓϩΠڥߏங͍Βͳ͍
ͬͯΈͨΒ͜͏ͳͬͨᶃ ͱΓ͋͑ͣɺTerraform࣮ߦڥతʹCircleCIͤʹͯ͠ΈΔ
ͬͯΈͨΒ͜͏ͳͬͨᶄ TaskDefinition Service ErrorLogCount LogGroup
ͬͯΈͨΒ͜͏ͳͬͨᶅ ΞϓϦέʔγϣϯ͕ಈ͚ͩ͘Ͱͳ͘ɺͦͷपลؚΊͯ ༻ҙͰ͖ΔඇৗʹΘ͔Γͯ͘͢Α͘ͳͬͨɻ
ෳRegionʹෳͷAppΛϦϦʔε͢ΔͷɺRollback؆୯ ͖ͳΑ͏ʹpr͢Δɻ વreviewϑϩʔ࡞͍͍ͬͯɻ
·ͱΊ ECS x Terraform ͷΈ߹ΘͤࢥͬͯͨΑΓྑ͛͞ ࠓޙ͍Ζ͍Ζͳٕज़͕ग़ͯ͘ΔͷͰɺࢼߦࡨޡ͍ͯ͘͠ ʮSSHͨ͠Βෛ͚ʯΛݱ࣮ͷͷʹ͢Δ͘ϒϥογϡΞοϓ