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ECS Fargate spotΛ׆༻ͨ͠ෛՙࢼݧπʔϧΛ 3೥ؒӡ༻ͯ͠෼͔ͬͨ͜ͱ 2022 / 11 / 30

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ࣗݾ঺հ לౡ ࠀӳ େ෼ग़਎ झຯ ௼Γɺΰϧϑɺϥϯχϯάɺ໺ٿ ୲౰ SRE PJ Manager ։ൃɺӡ༻ɺϚωʔδϝϯτ …etc.

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໊ࣾ: גࣜձࣾφϏλΠϜδϟύϯ ࣾһ਺: ໿500ਓ ຊࣾ: ౦ژ౎ߓ۠ೆ੨ࢁ ઃཱ: 2000೥ ձࣾ֓ཁ φϏλΠϜδϟύϯͷೆ੨ࢁΦϑΟε

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ܦӦཧ೦ ܦ࿏୳ࡧΤϯδϯͷٕज़Ͱ ੈքͷ࢈ۀʹไ࢓͢Δ

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ࣄۀྖҬ - B to C ϝσΟΞࣄۀ ૯߹φϏαʔϏε ϚʔέςΟϯάࢧԉ τϥϕϧࣄۀ ཱྀߦαʔϏε ؍ޫϚʔέςΟϯάࢧԉ υϥΠϒࣄۀ ࣗಈं޲͚αʔϏε πʔϦϯάࣄۀ ࣗసं/ΦʔτόΠ޲͚αʔϏε ๏ਓ/࣏ࣗମ޲͚αʔϏε όεɾ΢ΥʔΩϯ άࣄۀ όεɾ݈߁αʔϏε ΩϟϦΞڠۀࣄۀ ϏδωεφϏλΠϜࣄۀ େܕं޲͚ ಈଶ؅ཧ

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ࣄۀྖҬ - B to B Maasࣄۀ MaasΞϓϦ޲͚ APIఏڙ ίϯςϯππʔϦζϜͷاըɾӡӦ ஍Ҭ࿈ܞࣄۀ ࣏ࣗମ޲͚αʔϏε։ൃࢧԉ ؍ޫ٬༠க౳ͷίϯαϧςΟϯά CASEࣄۀ ࣗಈं޲͚αʔϏεͷ։ൃࢧԉ ަ௨σʔλࣄۀ ަ௨ɾ؍ޫσʔλͷఏڙɾ෼ੳ ϩέʔγϣϯϚʔ έςΟϯάࣄۀ ళฮσʔλ؅ཧΫϥ΢υαʔϏε ళฮϚʔέςΟϯάࢧԉ ιϦϡʔγϣϯࣄۀ ެڞަ௨ࣄۀ ަ௨ࣄۀऀ޲͚ιϦϡʔγϣϯ ๏ਓ޲͚API,SDK, πʔϧ౳ͷఏڙ

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৽ػೳɾαʔϏε ഑ୡ׬ྃ·Ͱͷॴཁ࣌ؒΛ୹ॖͨ͠८ճܦ࿏ݕࡧ ࠓ೥ͷ໠ॵͷਏ͔͞Βੜ·Εͨػೳ &7ϢʔβʔͷࠔΓ͝ͱʮॆిʯʹϑΥʔΧε Ҡಈͷ՝୊ղܾʮ/"7*5*.&GPS#BCZʯ

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׆༻͍ͯ͠Δίϯςφؔ࿈ٕज़ɾσϓϩΠख๏ɾ՝୊ ECS on fargate ECS on ec2 EKS on self managed nodes ECS on fargate Λ3೥ؒར༻ͯ͠Ͳ͏͔ͩͬͨʁ ຊ೔ɺ͓࿩͢Δ͜ͱ

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શͯΦϯϓϨͰӡ༻ NAVITIME Πϯϑϥͷྺ࢙ 35 AWSΛࢼݧར༻ Ϋϥ΢υҠߦ։࢝ 2001~ 2015ʙ 2016ʙ

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ར༻͍ͯ͠ΔΫϥ΢υϕϯλʔ

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ར༻ׂ߹͕Ұ൪େ͖͍ͷ͸AWS ୯Ұͷϕϯμʔʹݶఆͤͣɺ֤ϕϯμʔ ͷྑ͍෦෼Λ༗ޮʹ׆༻

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ίϯςφؔ࿈ٕज़ ར༻ࣄྫ঺հ

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ECS fargate ࣄྫ঺հ

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AWS͕ఏڙ͍ͯ͠Δ ίϯςφΦʔέετϨʔγϣϯ αʔϏε ίϯςφΛՔಇͤ͞Δ Nodeͷ؅ཧ͕ෆཁ ECS fargate ͱ͸ʁ

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ECS fargate ͷར༻ࣄྫ Locust (ෛՙࢼݧπʔϧ) ͰFargateΛ׆༻ ໿140ݸͷServiceʹର͢ΔෛՙࢼݧͰར༻

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γφϦΦΛPythonͰ࣮૷Ͱ͖Δʢ֦ுੑ͕ߴ͍ʣ Master - Slave ߏ੒Ͱେن໛ͳෛՙࢼݧΛߦ͏ࣄ͕Մೳ ϦΞϧλΠϜʹෛՙࢼݧ݁ՌΛϒϥ΢β্Ͱ֬ೝͰ͖Δ Locustͷಛ௃

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શମߏ੒ slave ECS Service: Master ECS Service: Slave slave slave master Access log ܭଌର৅ Service Discovery

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Locust - masterͷ໾ׂ slave ECS Service: Master ECS Service: Slave slave slave master Access log ܭଌର৅ Service Discovery ࢼݧ݁Ռ֬ೝ༻ WebϖʔδΛϦΞϧλΠϜʹՄࢹԽ slave ͔Β౷ܭ৘ใΛऩू masterͷ໾ׂ

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slave ECS Service: Master ECS Service: Slave slave slave master Access log ܭଌର৅ Service Discovery ܭଌର৅αʔόʔʹ࣮ࡍʹϦΫΤετΛૹ৴͢Δ slaveͷ໾ׂ Locust - slaveͷ໾ׂ

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ॲཧͷྲྀΕ ᶃ Start swarming Λԡ͢

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slave ECS Service: Master ECS Service: Slave slave slave master Access log ܭଌର৅ Service Discovery ᶄ Locust ͷ֤slaveίϯςφ͸ෛՙࢼݧͰར ༻͢ΔϦΫΤετϦετΛs3͔Βऔಘ ॲཧͷྲྀΕ

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slave ECS Service: Master ECS Service: Slave slave slave master Access log ܭଌର৅ Service Discovery ॲཧͷྲྀΕ ᶄ Locust ͷ֤slaveίϯςφ͸ܭଌର৅αʔ όʔʹϦΫΤετΛૹ৴ɻ Ϩεϙϯε݁Ռ͸ϦΞϧλΠϜʹMasterʹૹ ৴͞ΕΔ

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slave ECS Service: Master ECS Service: Slave slave slave master Access log ܭଌର৅ Service Discovery PythonͰ࣮૷Ͱ͖ΔͷͰ֦ுੑ͕ߴ͍ S3͔ΒࣄલʹςετϦΫΤετΛऔಘ ϦΫΤετΛվ᜵ /v1Λ /v2ʹมߋ ϦΫΤετϔομʔΛ௥Ճ ϦΫΤετૹ৴ִؒΛௐ੔ ྫ

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AWS CLI Λར༻͠CloudformationͷελοΫΛհͯ͠શͯͷ AWSϦιʔεΛ࡞੒ ࣾ಺πʔϧͳͷͰ Blue/GreenσϓϩΠ͸ߦ͍ͬͯ·ͤΜ ࡞੒ or ࡟আͷΈ ECS Fargate؀ڥ΁ͷσϓϩΠ

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ECS fargate ΁ͷσϓϩΠ 1. ઃఆϑΝΠϧΛ࡞੒ ͠ɺGitʹPush ECSClusterName: locust VpcId: vpc-xxxxxxxx ECSSecurityGroupId: sg-xxxxxxx ECSTaskExecutionRole: arn:aws:iam::333333333:role/EC2_allow_locust ECSSubnetId1: subnet-22222222222 ECSSubnetId2: subnet-44444444444 ECSSubnetId3: subnet-11111111111 ECSImageName: hoge:1.2.2 TargetUrl: https://hoge.jp TargetService: xxx-truckapp-stg ApacheLogUrl: s3://hoge/archive/latest/latest/*.gz RequestUrlPattern: /v1/[0-9]{8}/(route) RequestUrlExcludePattern: '' RequestUrlReplace: '' MasquaradeUseragent: false RequestToEveryPath: false SetScaleInAlarm: false AddNLBToLocustMaster: false LocustMaster: ECSTaskCPUUnit: 512 ECSTaskMemory: 1024 LocustOpts: --loglevel=ERROR --csv=output MasterNamespace: hoge.jp PrivateNamespaceId: ns-xxxxx LocustSlave: ECSTaskCPUUnit: 256 ECSTaskMemory: 512 ECSTaskDesiredCount: 1 LocustOpts: --loglevel=ERROR ྫ ෛՙࢼݧΛߦ͏։ൃऀ

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ECS fargate ΁ͷσϓϩΠ 2. Jenkins δϣϒΛ ࢖ͬͯ ECS Fargate ͷ ServiceΛσϓϩΠ ෛՙࢼݧΛߦ͏։ൃऀ αʔϏεA ༻؀ڥ αʔϏεB ༻؀ڥ αʔϏεC ༻؀ڥ

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ECS fargate ΁ͷσϓϩΠ 3. ECS TaskىಈޙɺServiceຖʹ෷͍ ग़͞ΕΔRoute53υϝΠϯʹΞΫηε ͠ɺෛՙࢼݧΛ։࢝ ෛՙࢼݧΛߦ͏։ൃऀ

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ECS FargateΛ࠾༻ͨ͠ܦҢ ӡ༻ίετ ར༻ϓϩμΫτ͕ଟ͍ࣾ಺πʔϧͳͷͰɺॳظ ߏஙɾӡ༻ίετΛ͔͚ͨ͘ͳ͍

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ECS FargateΛ࠾༻ͨ͠ܦҢ Lambda > ECS Fargate > ECS on ec2 ͷॱͰΞʔΩςΫ νϟΛݕ౼ ֶशίετ͕ൺֱత௿͍ (ECS on ec2 ɺEKSͱൺ΂ͯ)

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ίετ࡟ݮͷҝͷ޻෉ ECS fargate spotΛ׆༻ • ࠷େ70% ׂҾ͞ΕΔ • ࠓͷͱ͜ΖҰ౓΋໰୊͸ൃੜ͍ͯ͠·ͤΜ Taskͷࣗಈఀࢭ • ෛՙࢼݧΛ࣮ߦ͍ͯ͠ͳ͍TaskΛݕ஌͠ɺࣗ ಈͰ࡟আ

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ECS on ec2 ࣄྫ঺հ

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NAVITIME ৐׵NAVITIME ΧʔφϏλΠϜ ࣗసंNAVITIME Japan Travel by NAVITIME τϥοΫΧʔφϏ πʔϦϯάαϙʔλʔ Ͱӡ༻͍ͯ͠ΔϓϩμΫτͷྫ ECS on ec2 ALKOO by NAVITIME

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NAVITIME ৐׵NAVITIME ΧʔφϏλΠϜ ࣗసंNAVITIME Japan Travel by NAVITIME τϥοΫΧʔφϏ πʔϦϯάαϙʔλʔ Ͱӡ༻͍ͯ͠ΔϓϩμΫτͷྫ ECS on ec2 ECS on ec2͸ࣾ಺ͰҰ൪ଟ͘ར༻͞Ε͍ͯΔ ALKOO by NAVITIME

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ΠϯϑϥίετΛۃྗԼ͍͛ͨ Fargate͕ϦϦʔε͞Εͨ࣌ɺطʹAutoscalingGroupͱECS Λ ࿈ಈͤ͞Δ ϊ΢ϋ΢͕ࣾ಺ʹ͋ͬͨ Ұ෦APIͰNAVITIMEͷੑೳཁ݅Λຬͨͤͳ͍Մೳੑ͕͋ͬͨ ECS on ec2 ΛϝΠϯͰར༻͍ͯ͠Δཧ༝

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JenkinsδϣϒͰσϓϩΠΛ࣮ࢪ ᶃ ίϯςφ࡞੒ & ECR ᶄ Cloudformation Λ࢖ͬͯCanaryϦϦʔε Deployϑϩʔ

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Deploy - Jenkins ͰίϯςφΛϏϧυ Build & Push ECR

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CloudformationͰશϦιʔεΛ࡞੒ Availability Zone A Availability Zone C Availability Zone D Service Task Task ֤αʔϏεͷAWS؀ڥ ECS ALB ECR

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CloudformationͰશϦιʔεΛ࡞੒ Availability Zone A Availability Zone C Availability Zone D ֤αʔϏεͷAWS؀ڥ αʔϏεAlert ϩάσʔλ஝ੵ

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Availability Zone A Availability Zone A Availability Zone A CanaryϦϦʔεͷྲྀΕ ֤αʔϏεͷAWS؀ڥ Blue Service 100 %

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CanaryϦϦʔεͷྲྀΕ ֤αʔϏεͷAWS؀ڥ Blue Service Availability Zone A 100 % Availability Zone A Availability Zone A 0 % Green Service

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Canary - ALBͷՃॏϧʔςΟϯάͰGreenʹϦΫΤετΛྲྀ͢ ֤αʔϏεͷAWS؀ڥ Blue Service Availability Zone A 0 % Availability Zone A Availability Zone A 100 % Green Service

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CanaryϦϦʔεͷྲྀΕ ֤αʔϏεͷAWS؀ڥ Availability Zone A Availability Zone A Availability Zone A 100 % Green Service

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CodeDeploy ͸࢖͍ͬͯ·ͤΜ ཧ༝ ECS Service ͱ AutoscalingGroupͷ࿈ಈઃఆΛߦ͏ඞཁ͕ ͋ͬͨҝ CanaryϦϦʔε ݱࡏ͸Capacity Providerػೳ͕ఏڙ͞Ε͍ͯΔҝɺCodeDeployͰ΋ ཁ݅͸ຬͨͤΔ͔΋͠Ε·ͤΜ (ະݕূ)

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ΠϯϑϥνʔϜ͕࡞੒ͨ͠ڞ௨εΫϦϓτΛ֤ϓϩμΫτͷσ ϓϩΠδϣϒͰར༻ (bash + aws-cli) CanaryϦϦʔε AutoscalingGroupɺECS Service࡞੒ ALBՃॏϧʔςΟϯάมߋ ڞ௨ϩδοΫ

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ϩάసૹ༻ fl uentdίϯςφ͔Βߴස౓Ͱs3ʹϩάσʔλ͕Put͞ Ε͍ͯͨࣄʹΑΓɺs3ྉ͕ۚߴֹ ʹͳ͍ͬͯͨ ӡ༻࣌ʹൃੜͨ͠՝୊ fl uentdͷ fl ush_interval ͷ஋Λେ͖ͳ஋ʹมߋ ରॲ

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Debugϩά͕ग़ྗ͞ΕΔঢ়ଶͷApplicationʹରͯ͠௕࣌ؒෛՙ ࢼݧΛߦͬͨࣄͰCloudwatchϩάͷྉ͕ۚߴֹʹͳͬͨ ӡ༻࣌ʹൃੜͨ͠՝୊ ෛՙࢼݧ࣮ࢪ࣌ʹΞϓϦέʔγϣϯͷLoggerઃఆ ঢ়گΛνΣοΫ ରॲ

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Serviceؒ௨৴ͰύϒϦοΫͳALBΛར༻͍ͯͨ͠ɺAPIϨεϙ ϯε͕ѹॖͰ͖͍ͯͳ͔ͬͨࣄʹΑΓɺDataTransfer-Regional- Byte ͷྉ͕ۚߴֹʹͳ͍ͬͯͨ ӡ༻࣌ʹൃੜͨ͠՝୊ Internal ALBʹมߋ͢Δ APIϨεϙϯεΛѹॖ͢Δ ରॲ

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HealthyHostCount͕0ͷTargetGroupʹϦΫΤετ͕ϧʔςΟϯ ά͞ΕΔ ӡ༻࣌ʹൃੜͨ͠՝୊ ՃॏઃఆมߋલʹTargetGroupͷHealthyHostCountΛ νΣοΫ͢ΔΑ͏ʹεΫϦϓτΛվम ରॲ

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EKS on self managed nodes ࣄྫ঺հ

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શจݕࡧAPI API਺: ໿30ݸɺΠϯελϯε਺: ໿100 Jenkins Πϯελϯε਺ 33ʙ https://note.com/navitime_tech/n/nc663cc1e866e EKS Ͱӡ༻͍ͯ͠ΔService

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ArgoCD Λར༻ ArgoCDͱ͸ʁ Kubernetes Ϋϥελʹରͯ͠GitopsʹΑΔܧଓతσϦόϦʔ Λߦ͏πʔϧ EKS Cluster ΁ͷσϓϩΠ

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Argo events Argo workflow Trigger ᶄ ϦϙδτϦߋ৽ ᶃ Webhook ϦΫΤετ ఆظfetch Blue Service Green Service Argo rollous ᶅ Sync (Deploy) શจݕࡧAPI ͷσϓϩΠ - શମ૾

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Blue/GreenɺCanaryϦϦʔεΛαϙʔτ͍ͯ͠ΔKubernetesί ϯτϩʔϥ ςετέʔεɺࣗಈϩʔϧόοΫ͕؆୯ʹઃఆͰ͖Δ Argo rolloutsͱ͸?

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Blue/GreenσϓϩΠޙʹ 2xxͷׂ߹͕95%ΛԼճͬͨɺ΋͘͠ ͸ϩʔυόϥϯαʹαʔϏε͕઀ଓ͞Ε͍ͯͳ͍৔߹ʹࣗಈͰ ϩʔϧόοΫΛ࣮ߦ Argo rollouts - ྫ

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Argo rollouts - BlueGreenσϓϩΠͷྲྀΕ ͜Ε͔ΒαʔϏεΠϯ͢Δ৽͍͠ίϯςφ αʔϏε͔Βࢀর͞Ε͍ͯΔίϯςφ

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Argo rollouts - BlueGreenσϓϩΠͷྲྀΕ ͜Ε͔ΒαʔϏεΠϯ͢Δ৽͍͠ίϯςφ αʔϏε͔Βࢀর͞Ε͍ͯΔίϯςφ ৽͍͠ίϯςφΛαʔϏεΠϯͤ͞Δલʹ ࣄલʹςετϦΫΤετΛૹ৴

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Argo rollouts - BlueGreenσϓϩΠͷྲྀΕ ৽͍͠ίϯςφ͕όϥϯαʹͭͳ͕Δ چίϯςφ͕όϥϯα͔Β֎ΕΔ ςετϦΫΤετૹ৴Ͱ໰୊ͳ͍ࣄΛ֬ೝͨ͠Βچίϯςφ ͔Β৽ίϯςφʹϧʔςΟϯάઌΛมߋ

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Argo rollouts - BlueGreenσϓϩΠͷྲྀΕ ྫ͑͹ɺ#MVFɾ(SFFO੾Γସ͑ޙʹ৽ίϯςφͰ੒ޭ཰ʢYYϦΫΤετͷׂ߹ʣ͕ Ұఆͷᮢ஋ΛԼճͬͨ͜ͱΛݕ஌

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Argo rollouts - BlueGreenσϓϩΠͷྲྀΕ چίϯςφ چίϯςφʹϧʔςΟϯάઌ͕มߋ͞ΕɺσϓϩΠεςʔλε͕ %FHSBEFEͷঢ়ଶͱͳΔ ৽ίϯςφ

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GitϦϙδτϦʹPushͨ͠ΒσϓϩΠ͕૸Δҝɺ໰୊ͷ͋Δ ϓϩάϥϜ͕ຊ൪؀ڥʹ؆୯ʹ্͕ͬͯ͠·͏ Gitopsӡ༻࣌ͷ໰୊఺ ManifestΛຊ൪൓ө͢Δલʹςετ͢Δඞཁ͕͋Δ

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git push ͢Δલʹ conftest ͰςετΛ࣮ߦ kubernetesΫϥελʹ൓ө͞ΕΔલʹGatekeeperͰςετΛ࣮ߦ 2छྨͷManifestςετΛ࣮ࢪ

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ຊ൪޲͚Ingress Ϧιʔεʹݕূ޲͖υϝΠϯ͕ઃఆ͞Ε͍ͯͳ͍͔ʁ ຊ൪޲͚Ingress Ϧιʔεʹݕূ༻ίϯςφ͕ઃఆ͞Ε͍ͯͳ͍͔ʁ Latestλάͷίϯςφ͕ࢦఆ͞Ε͍ͯͳ͍͔ʁ HPAઃఆ͸ద੾͔ʁ ςετέʔεͷྫ

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EKSόʔδϣϯΞοϓʹ͕͔͔࣌ؒΔ ӡ༻࣌ʹൃੜͨ͠՝୊ argocd ͰσϓϩΠ͢Δํࣜʹ͢ΔࣄͰ͕࣌ؒ୹ॖ ɹ(Ҏલ͸kubectlͰmanifestΛapplyͯ͠·ͨ͠ʣ ରॲ

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EKSόʔδϣϯΞοϓʹ͕͔͔࣌ؒΔ ӡ༻࣌ʹൃੜͨ͠՝୊ argocd ͰσϓϩΠ͢Δํࣜʹ͢ΔࣄͰ͕࣌ؒ୹ॖ ɹ(Ҏલ͸kubectlͰmanifestΛapplyͯ͠·ͨ͠ʣ ରॲ K8sόʔδϣϯΛ্͛ΔຖʹManifestΛมߋ͢Δ࡞ۀ͕΄΅ൃੜ͠·͢ɻ Addon Ҏ֎ͷίϯϙʔωϯτͷ਺΋ଟ͍ͷͰɺݕূɾຊ൪ͷEKSόʔδϣ ϯΞοϓʹࠓͰ΋ ໿1ϲ݄൒ ͕͔͔͍࣌ؒͬͯΔঢ়گͰ͢ɻ

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Node-pressure Eviction ͕ൃੜ͠ɺಛఆNode্ͰՔಇ͍ͯͨ͠ શPod͕ڧ੍Terminate͞ΕΔ ӡ༻࣌ʹൃੜͨ͠՝୊ resources > limits Ͱ্ݶ஋Λࢦఆ kubelet_evictions ϝτϦΫεΛGrafanaͰఆ఺؍ଌ ରॲ

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Kubernetesٕज़ऀෆ଍ ӡ༻࣌ʹൃੜ͍ͯ͠Δ՝୊

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ECS fargateΛ3೥ؒӡ༻ͯ͠ Ͳ͏͔ͩͬͨʁ

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݁࿦ ӡ༻ɾֶशʹίετ͕͔͔Βͳ͍ͷ͕ΠΠʂ

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ECS on EC2 ͱൺֱͯ͠ AutoscalingGroup࡞੒ͷख͕ؒল͚Δ ECS Optimized AMIͷఆظߋ৽΋ෆཁ εέʔϧઃఆ͕γϯϓϧ (Nodeͷεέʔϧઃఆ͕ෆཁ) ֶशίετ͕গ͠௿͍ ϥϯχϯάίετ͸ߴ͍

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EKS on self managed nodesͱൺֱͯ͠ EKS ͸ΫϥελόʔδϣϯΞοϓ࡞ۀʹ͕͔͔࣌ؒΔ EKS (k8s)ͷֶशίετ͸ߴ͍ ( ݁ߏߴ͍… ) EKS (k8s)͸֦ுੑ͕ߴ͘ɺ͍ΖΜͳϢʔεέʔεͰར༻ Ͱ͖Δ

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͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠