Docker summit 2015: 以 Docker Swarm 打造多主機叢集環境
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最新的 Docker 1.9.0 在 11 月份正式推出，此講題將介紹最新的 Network 的特性，介紹如何透過 Docker Machine 建置多台 Docker Engine，使用 Docker swarm 整合跨網路多主機叢集環境，最後在由 Docker Compose 來讓環境設置清楚易懂，達到三位一體夢幻的組合！
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Docker summit 2015: 以 Docker Swarm 打造多主機叢集環境
- 3. Outline ‣ Introduce ‣ Linking containers together ‣ Linking Docker Engine ‣ multi-host networking ‣ Docker Swarm on multiple VM ‣ Docker Swarm on multiple cloud instance
- 6. Linking Containers docker compose links docker compose external_links docker command links
- 7. 1 on 1 server database Links browser test case JCConf 2015 workshop: 透過 docker 進⾏ e2e test，以 Gradle 及 Geb 為例 http://blog.trunk-studio.com/jcconf2015/
- 8. main: container_name: jcconf_main image: trunk/groovy_gradle command: "/bin/bash -l -c 'gradle remoteFirefoxTest'" links: - client volumes: - ./:/jcconf_main working_dir: /jcconf_main client: container_name: jcconf_client image: vvoyer/docker-selenium-firefox-chrome ports: - "4444:4444" - "5999:5999" docker-compose up -d Links
- 10. mysql: container_name: mysql image: dgraziotin/mysql ports: - "3306:3306" environment: MYSQL_ADMIN_PASS: "root" MYSQL_USER_NAME: "nodejsSample" MYSQL_USER_DB: "nodejsSample" MYSQL_USER_PASS: "nodejsSample" CREATE_MYSQL_BASIC_USER_AND_DB: "true" volumes: - ../database:/var/lib/mysql/ restart: always web: container_name: sailsSample image: trunk/sails_env command: "/bin/bash -l -c 'npm start'" ports: - "1337:1337" working_dir: /sailsSample volumes: - ./:/sailsSample external_links: - mysql restart: always docker-compose up -d mysql docker-compose up -d web external_links
- 12. Docker Swarm cloud Docker Swarm Docker Swarm with Network local Docker Swarm
- 13. https://github.com/TrunkWorkshop/docker-swarm-sample/tree/master/local Swarm Master Swarm Node Swarm Node Docker Machine Local & Cloud Docker Swarm
- 14. docker info
- 15. Overlay Network key-store consul Swarm Master Swarm Node Docker Machine Container Communication Docker Engine Control Docker Engine Register Cloud Docker Swarm Digital Ocean My laptop Digital Ocean Google
- 16. ‣ Port allow ‣ Docker Engine port (e.g TCP 2375) ‣ VXLAN: UDP 4789 ‣ Serf: TCP + UDP 7946 ‣ Key-value store ( e.g for Consul TCP 8500) ‣ Support Docker Network feature ‣ kernel 3.18+
- 17. Digital Ocean ‣ setup your token ‣ export DIGITALOCEAN_ACCESS_TOKEN=12345 https://github.com/TrunkWorkshop/docker-swarm-sample/tree/master/digitalocean
- 18. Google Cloud Platform ‣ gcloud auth login https://cloud.google.com/sdk/ ‣ create google-project ‣ export GOOGLE_PROJECT='project name' ‣ activate Compute Engine API ‣ setup firewall-rules ‣ gcloud compute firewall-rules update default-swarm --allow tcp:2376 tcp:2375 tcp:3376 tcp:8500 UDP:4789 TCP:7946 UDP:7946 --source-range 0.0.0.0/0 ‣ gcloud compute firewall-rules create default-demo --allow tcp:5000 tcp:27017 tcp:80 --source-range 0.0.0.0/0 https://github.com/TrunkWorkshop/docker-swarm-sample/tree/master/google
- 19. Prepare Muti-Host Docker Environment
- 20. key-store consul Docker Machine create-machine-keystore: docker-machine create --driver digitalocean --digitalocean-image ubuntu-15-10-x64 digitalocean-keystore run-consul: docker run -d -p "8500:8500" -h "consul" progrium/consul -server -bootstrap create keystore Digital Ocean My laptop
- 21. key-store consul create-machine-swarm-master: docker-machine create --driver digitalocean --digitalocean-image ubuntu-15-10-x64 --swarm --swarm-image="swarm" --swarm-master --swarm-discovery="consul://$(DOCKER_IP_KEYSTORE):8500" --engine-opt="cluster-store=consul://$(DOCKER_IP_KEYSTORE):8500" --engine-opt="cluster-advertise=eth0:2376" digitalocean-master Create Swarm Master Swarm Master Docker Machine export DOCKER_IP_KEYSTORE=$(docker-machine ip digitalocean-keystore) Digital Ocean My laptop Digital Ocean
- 22. key-store consul create-machine-swarm-node: docker-machine create --driver digitalocean --digitalocean-image ubuntu-15-10-x64 --swarm --swarm-image="swarm" --swarm-discovery="consul://$(DOCKER_IP_KEYSTORE):8500" --engine-opt="cluster-store=consul://$(DOCKER_IP_KEYSTORE):8500" --engine-opt="cluster-advertise=eth0:2376" digitalocean-node Create Swarm Node Swarm Master Docker Machine export DOCKER_IP_KEYSTORE=$(docker-machine ip digitalocean-keystore) Swarm Node Digital Ocean My laptop Digital Ocean Google
- 24. Docker Info
- 25. Create Overlay Network create-network-overlay: docker network create --driver overlay cloud-overlay Overlay Network key-store consul Swarm Master Swarm Node Docker Machine Digital Ocean My laptop Digital Ocean Google
- 27. Run Docker Containers With Multi-Host Docker Environment
- 28. Orchestration Docker Compose Manual Network Docker Compose Auto Network Docker Command
- 29. Docker Commandrun-sample-server: docker run -itd --name=web --net=cloud-overlay --env="constraint:node==master" nginx run-sample-client: docker run -it --rm --net=cloud-overlay --env="constraint:node==node" busybox wget -O- http://web Overlay Network key-store consul Swarm Master Swarm Node Docker Machine api server client server
- 30. compose_web: container_name: 'compose_web' image: bfirsh/compose-mongodb-demo environment: - "MONGO_HOST=compose_mongo" - "constraint:node==google-node" net: overlay ports: - "80:5000" Docker Compose Manual Network compose_mongo: container_name: 'compose_mongo' image: mongo environment: - "constraint:node==master" net: overlay Overlay Networkkey-store consul Swarm Master Swarm Node Docker Machine server database docker-compose up -d
- 31. compose_web: container_name: 'compose_web' image: bfirsh/compose-mongodb-demo environment: - "MONGO_HOST=compose_mongo" - "constraint:node==google-node" ports: - "80:5000" Docker Compose Auto Network compose_mongo: container_name: 'compose_mongo' image: mongo environment: - "constraint:node==master" Overlay Networkkey-store consul Swarm Master Swarm Node Docker Machine server database docker-compose --x-networking --x-network-driver overlay up -d
- 32. cat /etc/hosts
- 35. https://github.com/TrunkWorkshop/docker-swarm-sample make clean-machine make create-machine-keystore eval $(docker-machine env digitalocean-keystore) export DOCKER_IP_KEYSTORE=$(docker-machine ip digitalocean-keystore) make run-consul make create-machine-swarm-master make create-machine-swarm-node eval $(docker-machine env --swarm digitalocean-master) make create-network-overlay make run-sample-server make run-sample-clients make run-by-compose
- 36. High availability in Docker Swarm https://docs.docker.com/swarm/multi-manager-setup/ Docker-swarm Docker http://blog.trunk-studio.com/docker-swarm-network/ DockerCon EU 2015 Hands-On Labs https://github.com/docker/dceu_tutorials