さようなら Chef こんにちは Dockerfile / Web Tech Tokyo #1

さようなら Chef こんにちは Dockerfile / Web Tech Tokyo #1

Web Tech Tokyo #1 #web-tech-tokyo の発表資料です
http://web-tech-tokyo.connpass.com/event/40548/

92ce4587cc8465736433e698b1e50aaa?s=128

Daisuke Fujita

October 12, 2016
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  1. ͞Α͏ͳΒ$IFG ͜Μʹͪ͸%PDLFSpMF 2016-10-12 Web Tech Tokyo #1 Daisuke Fujita (@dtan4)

    https://flic.kr/p/rU5bCU
  2. Daisuke Fujita / @dtan4 Engineer, Infrastructure Team
 @ Wantedly, Inc.

    AWS, Terraform / Terraforming, Developer Productivity
  3. Infrastructure at Wantedly AWS + DNSimple શαʔϏε͕ Docker ίϯςφͰՔಇ EC2

    Πϯελϯεͷ OS ͸ CoreOS Capistrano Λ࢖ͬͨಠࣗͷσϓϩΠγεςϜ 
 + Heroku CLI ಉ༷ͷΠϯλʔϑΣΠεΛ࣋ͭ CLI https://speakerdeck.com/dtan4/number-abejameetup
  4. Web (Rails) Docker image ͸2ஈߏ੒ ࠩ෼ͷΈͷ fetch + bundle install

    Ͱ
 σϓϩΠΛߴ଎Խ intermediate ͸ Chef + Packer ΠϝʔδαΠζ 3GB ௒ bundle install git clone wantedly/wantedly Ruby FROM Ubuntu 14.04 rake assets:precompile bundle install git checkout <branch> git fetch FROM intermediate web (Dockerfile) intermediate (Chef)
  5. Web (Rails) Docker image ͸2ஈߏ੒ ࠩ෼ͷΈͷ fetch + bundle install

    Ͱ
 σϓϩΠΛߴ଎Խ intermediate ͸ Chef + Packer ΠϝʔδαΠζ 3GB ௒ bundle install git clone wantedly/wantedly Ruby FROM Ubuntu 14.04 rake assets:precompile bundle install git checkout <branch> git fetch FROM intermediate web (Dockerfile) intermediate (Chef)
  6. Chef + Packer AWS Ҡߦ౰ॳ͔Β2೥Ҏ্Ҿ͖ܧ͕Ε͖ͯͨൿ఻ͷ Chef Ϩγϐ Packer Ͱ ubuntu:14.04

    Πϝʔδ্ʹϓϩϏδϣχϯά
 => Private Registry ʹ push
  7. Chef + Packer ??? ઐ༻ͷ EC2 Πϯελϯε1୆ͷΈͰՔಇ͍ͯͨ͠
 ΋͸΍ਓؒͷ Macbook ͰϓϩϏδϣχϯάͰ͖ͳ͘ͳ͍ͬͯͨ

    1Πϝʔδ࡞Δͷʹ1࣌ؒҎ্ Ͱ͖͕͋ͬͨΠϝʔδ͸ 3GB ௒ Ruby ͷόʔδϣϯΞοϓ΍ apt ύοέʔδ௥Ճ͕໘౗ σϓϩΠ࣌ͷ docker build ΍֤Πϯελϯε΁ͷ഑෍͕஗͍
  8. Chef + Packer => ??? ΠϝʔδαΠζΛ΋ͬͱখ͍ͨ͘͞͠… ଞͷϝϯόʔ΋৮Γ΍͍͢ߏ੒ʹ͍ͨ͠… σϓϩΠ଎͍ͨ͘͠… Dockerfile Ͱॻ͖͍ͨ…ʂ

  9. 2016/10/11

  10. 2016/10/11 Wantedly, Inc. ͔Β Chef ΛҰ૟

  11. 2016/10/11 Chef + Packer -> Dockerfile + Docker Compose Ubuntu

    14.04 -> Alpine Linux 3.4 Private Docker Registry -> Amazon ECR Wantedly, Inc. ͔Β Chef ΛҰ૟
  12. None
  13. Dockerfile αʔϏε͝ͱʹ1ຕͷ Dockerfile build args Ͱ
 - Ruby ͷόʔδϣϯ
 -

    RAILS_ENV FROM alpine:3.4 Dockerfile ϕετϓϥΫςΟε
 Λ࣮ફͯ͠μΠΤοτ
  14. Dockerfile Ruby, Node.js ͷΠϯετʔϧ΋
 ಉ͡ Dockerfile ʹॻ͘ ެࣜͷ -alpine Dockerfile

    ͔Βഈआ Alpine ͷόʔδϣϯ΋
 ࣗ෼ͨͪͰ੍ޚ αʔϏεʹ߹Θͤͨݴޠόʔδϣϯ
  15. Dockerfile λΠϜελϯϓΛૠೖͯ͠
 ҎԼ͸ຖճڧ੍తʹϏϧυ ιʔείʔυΛ git clone
 Access Token Λ࢖ͬͨೝূ bundle

    install assets:precompile ARG BUILD_DATE --build-args BUILD_DATE=$(date +%Y%m%d%H%M%S)
  16. Docker Compose શΠϝʔδ Docker Compose
 ܦ༝Ͱ build & push build

    args ΛҰׅ؅ཧ
 Ruby ͷόʔδϣϯΞοϓ΋
 ͔͜͜Β awesome: extends: base build: context: awesome args: - RUBY_MAJOR=2.3 - RUBY_VERSION=2.3.0 - RUBYGEMS_VERSION=2.6.6 - BUNDLER_VERSION=1.13.1 - NODE_VERSION=5.11.1 - NPM_VERSION=3.3.12 awesome-production: extends: awesome build: args: - RAILS_ENV=production image: ${AWS_ECR_DOMAIN}/awesome:intermediate
  17. None
  18. intermediate-build-server intermediate image Λఆظతʹ build ͢Δαʔό CoreOS on EC2 +

    IAM Role ຖ೔ਂ໷ʹશ intermediate image Λ build -> push
  19. intermediate-build-server #!/bin/bash set -eu metadata=$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/intermediate-build-server/) export AWS_ACCESS_KEY_ID=$(echo $metadata

    | jq -r .AccessKeyId) export AWS_SECRET_ACCESS_KEY=$(echo $metadata | jq -r .SecretAccessKey) export AWS_SECURITY_TOKEN=$(echo $metadata | jq -r .Token) document=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document) account_id=$(echo $document | jq -r .accountId) region=$(echo $document | jq -r .region) export AWS_ECR_DOMAIN=$account_id.dkr.ecr.$region.amazonaws.com export BUILD_DATE=$(date +%Y%m%d%H%M%S) cd intermediate-dockerfiles if [[ $# -eq 1 ]]; then /opt/bin/docker-compose build $1 else for app in $(cat docker-compose.yml | grep -E '^ [a-z-]+:' | grep -E -- '-(production|qa)' | sed -E 's/^ ([a-z-]*):/\1/'); do echo "[`date`] Building $app..." /opt/bin/docker-compose build $app done fi
  20. intermediate-build-server ຊ౰͸ CI as a Service ্Ͱ΍Γ͔ͨͬͨ
 image pull ->

    build -> push Docker 1.10 ͔Β͸ Docker image ͷ࢓૊Έ͕มΘͬͯɺ
 pull ͖ͯͨ͠Πϝʔδͷʮ్த·ͰʯΩϟογϡͱͯ͠
 ࢖͏͜ͱ͕Ͱ͖ͳ͘ͳͬͨ https://docs.docker.com/engine/userguide/storagedriver/ imagesandcontainers/#/content-addressable-storage
  21. None
  22. intermediate-build-server

  23. Ҡߦ݁Ռ

  24. Ҡߦ݁Ռ ΠϝʔδαΠζ 3.307 GB -> 2.24 GB Ϗϧυ࣌ؒ 48 m

    -> 16 m 5 s
  25. TODO Serverspec ॻ͍͚ͨͲ CI ͕ͳ͍ ECR ʹ࢒ͬͨΰϛΠϝʔδͷ૟আ shallow clone ͰΠϝʔδΛ͞ΒʹμΠΤοτ

    σϓϩΠύΠϓϥΠϯΛݟ௚ͯ͠σϓϩΠߴ଎Խ ͱ͔ͱ͔…
  26. To be continued... http://chibadan.connpass.com/event/41625/

  27. To be continued... http://chibadan.connpass.com/event/41625/

  28. Recap

  29. None