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Next FRESH! Applications with Amazon ECS
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stormcat24
November 20, 2015
Programming
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8.8k
Next FRESH! Applications with Amazon ECS
2015/11/20 JAWS-UGコンテナ支部 #3 #jawsug_ct
stormcat24
November 20, 2015
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Transcript
Next FRESH! Applications with Amazon ECS 2015/11/20 JAWS-UGίϯςφࢧ෦ #3 #jawsug_ct
@stormcat24
Who? ‣ Akinori Yamada ( @stormcat24 ) ‣ http://stormcat.hatenablog.com/ ‣
CyberAgent, Inc ‣ Ameba౷ׅຊ෦ FRESHάϧʔϓ ‣ ServerSide / DevOps ‣ ͖ͳݴޠScala
Agenda ‣ AmebaFRESH! ‣ Architecture & ECS ‣ Blue Green
Deployment ‣ Diet Docker Image ‣ Local Development ‣ ecs-formation ‣ Others
AmebaFRESH!
‣ ੜ์ૹಈը৴ϓϥοτϑΥʔϜ ‣ جຊແྉ ‣ PCϒϥβ / iOS / Android
‣ εϚϗφΠζυ͞ΕͨUI ‣ ߴ࣭ͳಈը৴ ‣ 201512݄Ұൠެ։༧ఆ ‣ ݱࡏΫϩʔζυެ։த ‣ ※AbemaTVͱผͷαʔϏεͰ͢YO
None
None
None
None
‣ 2015/04͔ΒϓϩδΣΫτ։࢝ ‣ ϓϩδΣΫτϝϯόʔ30໊ ‣ Serverside ☓ 6 ‣ Frontend
☓ 6 ‣ iOS ☓ 4 ‣ Android ☓ 4 ‣ Designer ☓ 3
‣ Movie & Broadcasting ‣ RTMP Publishing ‣ HTTP Live
Streaming (HLS)
‣ Frontend ‣ Node.js v4 ‣ TypeScript1.6 ‣ React /
Flux ‣ SPA + SSR ‣ iOS ‣ Swift2.0 ‣ Android ‣ Kotlin
‣ Serverside & Infrastructure ‣ Amazon Web Services (AWS) ‣
Go1.5 ‣ Docker1.9.0 ‣ Microservices ‣ RESTful API (goji)
‣ Tools ‣ Slack + Hubot (ChatOps) ‣ Github Enterprise
‣ CircleCI (Enterprise) ‣ Crashlytics ‣ JIRA Agile ‣ Mackerel ‣ ࡳଋ
Architecture & ECS
Architecture ‣ ࢥ ‣ جຊํ ‣ Task Definitionͷߏ ‣ ClusterͱServiceͷѻ͍
ࢦ͍ͯ͠Δ͜ͱ ‣ ۃྗϝϯςΛೖΕͳ͍ ‣ θϩμϯλΠϜϦϦʔε → Blue Green Deployment ‣
Πϯϑϥ͍ࣺͯͯೖΕସ͑Δ → Immutable Infrastructure ‣ ૉૣ͘සൟͳϦϦʔε ‣ γεςϜݶΓͳ͘ૄ݁߹ͷํ͕ྑ͍ → Microservices ‣ ίϯςφͩ → Docker
Microservices ‣ ಛఆͷ։ൃݴޠʹґଘ͠ͳ͍ʢ͖Δ͠ʣ ‣ ௨৴ϓϩτίϧ ‣ RESTFul API (HTTP) ‣
ͦͷ͏ͪgRPC(HTTP2)͍ͨ͠ ‣ αʔϏεͷཻΛఆΊΔͷΓ͍͠ ‣ γεςϜతͳυϝΠϯྖҬͰ͚ΔͷҰͭͷࢦඪ ‣ ޙ͔ΒผαʔϏεͱͯ͠Γམͱ͢OK
Infrastructure ‣ AWS + EC2 Container Service(ECS)Λ࠾༻ ‣ ͪΐ͏Ͳٕज़ݕূதʹECSͷ౦ژϦʔδϣϯ͕དྷͨ ‣
࠷ݶͷίϯςφߏཧͱεέδϡʔϦϯά͕Ͱ͖Εे ‣ ECSҎ֎ʹ͍͍ͨͷ͕͋ͬͨ͠ ‣ Lambda ‣ RDS Aurora
جຊํ ‣ MicroservicesຖͰίϯςφΛߏ͢ΔTask DefinitionΛͭ͘Δ ‣ 1ECS Clusterʹ͖ͭ1Service ‣ 1Clusterʹ1ͭͷAutoScaling Group
‣ ಈը৴αʔόಛघͳͷͰྫ֎ ‣ Clusterؒ௨৴Internal ELBΛར༻
Task Definitionͷํ ‣ ϩάͷసૹʹtd-agentΛ͏ ‣ ֤ίϯςφϩάϗετʹϚϯτ ‣ ϗετʹϚϯτ͞ΕͨϩάΛtd-agentͰసૹ ‣ logging
driver·ͩಋೖͯ͠ͳ͍ ‣ Internal Service(API)Ͱ͋ͬͯجຊNginxΛ௨͢ ‣ ΞΫηεϩάग़͢ͷָͩ͠
Task Definition(Service API)
Task Definition(WEB+API)
Task Definition(Job)
Task Definition(movie)
جຊతʹ͜ΕΒͷΈ߹Θͤ
cluster = serviceͷσϝϦοτ ‣ ϦιʔεޮతʹϕετͰͳ͍ ‣ Cluster : Service =
1:N ʹൺΔͱ ‣ Πϯελϯε૿͑Δʹ͋Δ ‣ ։ൃڥͰt2.microΛ༗ޮ׆༻͍ͯ͠Δ ‣ nanoΠϯελϯεщ ƅшƅщ)ŜŹŖƃ
cluster = service ʹͯ͠Δཧ༝ ‣ ࢹ֮తʹΘ͔Γ͍͢ʢϏΪφʔϑϨϯυϦʔʣ ‣ Service୯ҐͰIAM roleΛઃఆͰ͖ͳ͍ ‣
IAM RoleͰݫີͳݖݶ੍ޚΛ͢ΔʹΓͳ͍ ‣ Service୯ҐͰͷSecurity GroupʹະରԠ ‣ ͨͩ͠ɺELBલఏʹͯ͠͠·͑ղܾͰ͖Δ
Blue Green Deployment
2AutoScalingύλʔϯ ‣ BlueɺGreenܥ౷ͷClusterΛ࡞Δ ‣ ͦΕͧΕ͕AutoScalingGroupʹଐ͢Δ ‣ api1-blue, api1-green Έ͍ͨͳ ‣
AutoScalingGroup୯ҐͰELBΛΓସ͑Δ
None
2AutoScalingͷಛ ‣ ͱͯ҆શ ‣ DeployޙͷϩʔϧόοΫ༰қ ‣ DeployલͷStandbyܥ౷ͷΥʔϜΞοϓඞཁ ‣ 10લʹ͓͖͍ͬͯͨ ‣
ίετͷέΞ͕ॏཁ ‣ DeployޙɺStandbyʹͳͬͨܥ౷Λམͱ͢
Diet Docker Image
Πϝʔδখ͍͞΄Ͳྑ͍ ‣ docker build࣌ؒˣ ‣ CI࣌ؒˣ ‣ Registry͔ΒͷΠϝʔδμϯϩʔυ࣌ؒˣ ‣ AutoScaleͰ࡞͞ΕͨΠϯελϯε͕αʔϏεΠϯ͢Δ
·Ͱͷ࣌ؒ↓
docker hub ‣ hub.docker.com ‣ ଟ͘ͷެࣜΠϝʔδ ‣ αΠζΛ͗མͱͨ͠ͷ͔ΓͰͳ͍ ‣ 1GB͑ΔΠϝʔδσϒ
ෆཁͳͷআ͢Δ ‣ ෆཁͳϑΝΠϧΛݟམͱ͞ͳ͍ ‣ ϏϧυͷͨΊʹੜͨ͡࢈ۀഇغΛআ ‣ npm cache clear ‣
rm -rf ~/.grade ‣ apt-get clean ‣ Data VolumeΛ͏ʢϙʔλϏϦςΟམͪΔʣ
RUNͷճΛݮΒ͢ ‣ RUNͷ͚ͩΠϝʔδͷϨΠϠʔ͕ॏͳΓɺΠ ϝʔδ༰ྔ૿͑Δ ‣ && ͰνΣΠϯͯ͠ɺRUNͷճΛݮΒ͢ ‣ ͍docker buildͷ߹ɺ్தͰࣦഊ͢ΔͱRUN
ͷ಄͔ΒΓͳ͓͠ͳͷͰফ͢Δ
RUNͷճΛݮΒ͢ FROM ubuntu:15.10 RUN apt-get update RUN apt-get install -y
curl RUN apt-get apt-get clean FROM ubuntu:15.10 RUN apt-get update && \ apt-get install -y curl && \ apt-get apt-get clean
ܰྔΠϝʔδΛ͏ ‣ ͗མͱ͞ΕͨܰྔΠϝʔδΛ͏ ‣ ࠷ۙΦϑΟγϟϧͰslimΠϝʔδ͕͋Δͷ͋Δ ‣ e.g. Node, Go ‣
busyboxઈ͍ܰ
‣ ࠷ۙܰྔΠϝʔδ(slim)༻ҙ͞ ΕͯΔ ‣ Docker HubΛීஈ͔Β८ճ͓ͯ͠ ͜͏
‣ ٻΊΒΕΔϙʔλϏϦςΟˢ ‣ GoͰ͋Ε࣮ߦϑΝΠϧΛࡌͤΔ ͚ͩ ‣ busyboxͷதͰϏϧυΩπΠ ʢқߴʣ
ݮྔʹΑΔࢥΘ͵ฐ ‣ x509: failed to load system roots and no
roots provided ‣ ίϯςφ͔ΒHTTPS௨৴͕Ͱ͖ͳ͘ͳΔ ‣ apt-get install -y ca-certificates Ͱղܾ ‣ ֎෦πʔϧͷґଘʢΞϓϦ͔ΒͷΩοΫʣ
ϕʔεΠϝʔδΛͭ͘Δ ‣ apt updateɺapt-get install ͏Μ͵ΜΛऴΘΒͤͨ ͷ ‣ ຖͬͯͨΒCIͷ͕࣌ؒ૿͑Δʢdocker buildͷ
҆ఆʣ ‣ ΞϓϦଆͷDockerfileͰຊ࣭ͷॲཧʹઐ೦ͤ͞Δ
Local Development
ϩʔΧϧ։ൃͰ͏ͷ ‣ docker-machine + VirtualBox ‣ docker-compose
docker-machine ‣ VirtualBox, AWS, Azure, Digital Ocean্ʹ DockerϗετΛߏங͢Δ ‣ ͔͋ͨϩʔΧϧ্ʹDockerڥ͕͋Δ͔ͷΑ͏
ʹDockerͷૢ࡞͕Ͱ͖Δ
docker-machine ‣ docker-machine + VirtualBoxΛબ ‣ Vagrantࣺͯͨ ‣ DockerʹൺΔͱ͍ࣺͯίετˢ ‣
ΞϓϦέʔγϣϯɺϛυϧΣΞؚΊ͍ͯͭͰϩʔΧϧͰ֬ ೝͰ͖ΔΑ͏ʹ ‣ VirtualBoxͷϙʔτϑΥϫʔυར༻
ϚγϯϦιʔεඞཁ ‣ ϩʔΧϧϑϧDockerͩͱɺٻΊΒΕΔϚγϯεϖο Ϋߴ͘ͳΔ ‣ 16GBͳ͍ͱ݁ߏਏ͍ ‣ αʔόαΠυΤϯδχΞʹඞਢ ‣ ίϯςφ͍ͬͺ্͍͛ͯɺշదʹTwitter͢Δͷॏཁ
׳Εා͍
docker-compose ‣ Docker ToolboxͷҰ෦ʢݩʑfigʣ ‣ Dockerίϯςφ܈ͷߏΛYAMLͰཧ ‣ docker-compose up -d
Ͱىಈ
σʔλετΞDocker ‣ ϩʔΧϧͰσʔλετΞDockerίϯςφར༻ ‣ library/mysql, library/redis ‣ VagrantΑΓߴͰؾܰʹεΫϥοϓϏϧυ
DBϚΠάϨʔγϣϯॏཁ ‣ ڥἧͬͯσʔλෆඋ͋Δͱҙຯ͕ແ͍ ‣ FRESH! Ͱ goose ‣ https://bitbucket.org/liamstask/goose/ ‣
SQL͚ͩ͡Όͳ͘ɺGoͰϚΠάϨʔγϣϯॻ͚Δ
ecs-formation
ecs-formation ‣ https://github.com/stormcat24/ecs-formation ‣ docker-composeͷΑ͏ʹɺYAMLϑΝΠϧͰίϯςφ ͷߏΛཧ͢Δ ‣ ࣌ecs-cliͱ͔ແ͔ͬͨͷͰ࡞ͬͨ ‣ aws-sdk-goར༻
ecs-formation features ‣ Task Definitionsͷߋ৽ ‣ Clusterʹஔ͢ΔServiceͷߋ৽ ‣ Blue-Green Deploymentͷ࣮ߦ
Task Definitions (task/jawsug-api.yml) nginx: image: registry.jawsug.local:5000/jawsug/nginx:latest ports: - 80:80 environment:
SERVER_NAME: jawsug.example.com volumes: - /var/log/container/nginx:/var/log/nginx links: - api memory: 512 cpu_units: 512 essential: true
Services on cluster (service/jawsug-cluster.yml) api-service: task_definition: jawsug-api desired_count: 1
Blue Green Deployment (bluegreen/jawsug-cluster.yml) blue: cluster: jawsug-cluster-blue service: api-service autoscaling_group:
jawsug-cluster-blue green: cluster: jawsug-cluster-green service: api-service autoscaling_group: jawsug-cluster-green primary_elb: jawsug-api-primary standby_elb: jawsug-api-standby
ecs-formationͷӡ༻ ‣ ecs-formationઐ༻ͷϦϙδτϦΛͭ͘Δ ‣ Task, Service, BlueGreenͷఆٛͷYAML ‣ masterʹϚʔδ͞ΕΔͱTask Definitionߋ৽
‣ service updateHubot -> CircleCI͔Β
Update Task Definitions push merge PR webhook test update task
notification webhook ecs-formation repository Amazon ECS ※࠷৽ͷTask Definitionͷόʔδϣϯʹߋ৽͞ΕΔ
Update Service(Deploy) webhook test update service deploy webhook ecs-formation repository
Amazon ECS ※࠷৽ͷTask DefinitionͷόʔδϣϯΛར༻͠ɺServiceΛߋ৽͢Δ push deploy branch notification
Others
Others ‣ AMI ‣ Private Registry ‣ CircleCI + Docker
‣ Terraform ‣ Mackerel
EC2-Optimized AMI ‣ Current version 2015.09.b ‣ Amazon Linuxϕʔε ‣
Docker + ECS Agent ‣ ศར͚ͩͲࣾͰ໘ݟͯ͘Εͳͦ͞͏ͩͬͨ
Ubuntu ‣ FRESH!UbuntuΛ࠾༻ ‣ DockerͷΠϯετʔϧ → ηϧϑαʔϏε ‣ ECS AgentͷಋೖͱαʔϏεԽʢUpstartʣ
→ ηϧϑαʔϏε ‣ ੵۃతͳDockerͷΞοϓσʔτ → ਓப ‣ apt-get install docker-engine=1.9.0-0~trusty
Private Registry ‣ S3ΛόοΫΤϯυʹɺPrivate RegistryΛ࡞ΕΔ ‣ registry:2.2.0 ‣ konradkleine/docker-registry-frontend:v2
None
CircleCI + Docker ‣ ΞϓϦέʔγϣϯ1ϦϙδτϦʹ1Dockerfile ‣ nginxtd-agentͷΑ͏ͳϛυϧΣΞܥผ్ઐ ༻ϦϙδτϦ ‣ CircleCIͰmasterϏϧυ࣌ʹdocker
build + push
Build Docker Image push merge PR webhook test docker build
private registry docker push notification webhook
Terraform ‣ ΠϯϑϥߏஙͷͨΊͷΦʔέετϨʔγϣϯπʔ ϧ ‣ ଟ࠼ͳProviderΛఏڙ ‣ AWSͰͷΠϯϑϥߏஙʹར༻
Terraformཧͯ͠Δͷ ‣ EC2 ‣ Security Group ‣ Route53 (ΠϯλʔφϧυϝΠϯͷΈʣ ‣
ECS Cluster ‣ AutoScaling Groupͷىಈߏ
Terraformཧͷߟ͑ํ ‣ ӡ༻ʹΑͬͯঢ়ଶ͕มΘΔͷཧʹ͔ͳ͍ ‣ ELB ‣ AutoScaling Group ‣ εΫϥοϓʴϏϧυʹ͕͔͔࣌ؒΔͷ
‣ RDS ‣ ElastiCache ‣ EC2CloudinitͰߏ͢Δ ‣ Provisioning͠ͳ͍ɻ͍ࣺͯ
ΫϦςΟΧϧͳͷආ͚Δ ‣ Route53 ‣ Ͳ͔ͬͷϓϩδΣΫτͰɺϨϏϡʔ͕ܗ֚ԽˠηϧϑϚ ˠେࣄނ͕͋ͬͨΒ͍͠ ‣ roadworkerઐ༻ϦϙδτϦ༻ҙ͠ɺݫॏʹΫϩεϨ Ϗϡʔ͢Δ ‣
IAM
Terraformͷӡ༻ ‣ tfϑΝΠϧGHE্Ͱཧ ‣ tfstateS3্ʹอ࣋ ‣ શͯΛҰͭͷtfstateͰཧ͠ͳ͍ ‣ dev/shared/staging/production/load ͘Β͍
‣ CircleCI ‣ PRͰ terraform plan ͷࠩνΣοΫ ‣ planͰݫີͳνΣοΫͰ͖ͳ͍ͷͰͦΕͳΓʹ৺؟ඞཁ ‣ hubot -> CircleCIͰ terraform apply
Mackerel ‣ ࢹجຊతʹMackerel ‣ ݟ͍͢ɺ͖Ε͍ ‣ ࠷ۙDockerͷϝτϦΫε͕औΕΔΑ͏ʹͳͬͨ
Mackerel
Mackerel
Mackerel ˡίϯςφ୯Ґͷ ϝτϦΫε
࠷ޙʹॴײ ‣ ECSͪΖΜपลπʔϧἧ͖ͬͯͯɺDocker ຊ൪ӡ༻ͷෑډ͕େ͖͘Լ͕͍ͬͯΔ ‣ ΜͰΔͳΒͱΓ͋͑ͣࢼͯ͠ΈΑʁ
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