DevOps 与 Docker 的最佳实践-王寒

DevOps&Docker的最佳实践云络科技/王寒2016-4-212016-4-211133DevOps的现状DevOps的基础2244DevOps的四个阶段DevOps案例分享55Docker的优势与挑战66DevOps的未来7Wikipediasays“DevOpsisaculture,movementorpracticethatemphasizesthecollaborationandcommunicationofbothdevelopersandoperationswhileautomatingtheprocessofsoftwaredeliveryandinfrastructurechanges.Itaimsatestablishingacultureandenvironmentwherebuilding,testing,andreleasingsoftware,canhappenrapidly,frequently,andmorereliably.”合作文化DevOps的四个阶段简单自动化CI与静态Docker增强与动态Docker全面CI与自动增强与动态DockerDevOpsersionControlEnvironmentEnvironment/SystemabstractionatedTestingFullFullContinuousIntegration半自动JenkinsDevOps半自动Jenkins•实现DevOps第二阶段•每两周迭代，每日推送更新3-4次FullFullVersionControlGITLABEnvironmentEnvironment/SystemabstractionFullFull-automatedTestingFullContinuousIntegrationDevOps案例分享•Service(Java/Nodejs)•Docker(CoreOS)•Redis(ElasticCache)•MySQL(RDS)•Postgres(RDS)•MongoDBcluster(EC2)ELK(EC2)•Hadoop(EC2,selfhost)Solr(EC2)•ELB,S3,SQS,SNSPort:50001Port:50002rr..Port:50001Port:50002rr...Docker9...Port:50011Port:500n1er1er2er9Port:50010rr...Docker9Port:443PublicPublicELBPort:50000,50010…5000n0SessionControlAPIAPIGATEWAY(Docker9)Node.js(Stateless)Port:4080InternalInternalELBVM(n)VM2VM1RegistryRegistryRegistry(UAT+DockereDevOps案例分享•利用Jenkins•变更持续更新•多环境测试•高性能，运行时性能可以提升•工具，有系统的工具去动态管理环境，发现服务，存储等•灵活，将应用和系统“容器化”，更加便捷部署应用•敏捷，可以快速复原和更新变更•轻量，在一个服务器上可以部署很多容器•便宜，来源，免费，低成本•生态系统，越来越受欢迎监控排排障•基本监控：Docker是否正常运行•三种监控技术：Cgroup文件，DockerAPI和Docker命令行•硬盘空间的检测需自定义•如何监控Container里的服务1.Agent在Container内2.Agent在Container外志BashShellContainer修改难度大•集群工具•Do