易立-云上應用Docker化持續(xù)交付與微服務實踐-阿里巴巴技術文檔

從Docker到容器服務12?Docker編排技術概述?容器即服務(ContainerasaService)–微服務支持–DevOps?未來發(fā)展趨勢3AnalyticsDBAnalyticsDBAPIEndpointAnyAppAnywhereComposableDynamic4lityInnovationatspeed+Frictionlessmovement++Manageandsecureatscale可控：標準化推動自動化，提高運維效率和規(guī)模；隔離性提升應用安全性；版本管理可追溯5Bins& LibsestOSAppB1 AppBins& LibsestOSAppB1 AppBs&LibsBins&AppB2Bins&LibsestOSers DockerEngineatingSystemrvisorBins&LibsestOS(Ubuntu)AppB1?Docker是一種輕量級的操作系統(tǒng)虛擬化方案?Docker容器和虛擬化技術-互補、雙贏–利用虛擬機提供彈性基礎架構，更好的安全隔離，動態(tài)熱遷移–利用容器技術簡化遷云之路，實現(xiàn)無邊界的云計算Docker容器方式rvisor44%tegytegyStateofAppdevelopmentSurvey:Q1-201667dbdbrComposersionwordpress:ressports:80estartalways-db:mysqldb:imagemysql.7onmentMYSQL_ROOT_PASSWORD:passwordestartalwaysvolumes:-data:/var/lib/mysqlvolumes:iverlocalwowordpressdatavolumeockercomposeup伸縮：docker-composescalewordpress=3優(yōu)點–簡單好用，便于開發(fā)鏡像開發(fā)–編排容器、存儲和網(wǎng)絡不足–面向開發(fā)和部署，不支持自動化運維????8m–兼容標準的DockerAPI–靈活、可插拔的容器調度–面向容器、缺少微服務支持9圖片來源/home/how-to/g172/shipping-container-homes-460309/9生產環(huán)境中使用Docker您還需要:集群管理儲排…?Docker編排技術概述?容器即服務(ContainerasaService)–微服務支持–DevOps?未來發(fā)展趨勢ontainersasaServiceCaaSnt5PlatformAsAServiceContainerAsAService和靈的完美平衡容器即服務ContainerasaServicetumcoervice?資源層面–集群–節(jié)點?內容層面–Compose模板–鏡像?應用層面–應用–服務–容器演示：容器服務和Docker鏡像倉庫Docker倉庫發(fā)現(xiàn)鏡像演示：一鍵開通WordPress博客seWordPressOSSFS一鍵部署到云上rofVMnodes對象存儲云數(shù)據(jù)庫RDSOSSFS一鍵部署到云上rofVMnodes對象存儲云數(shù)據(jù)庫RDSOSSFSOSSFSAZ-aAZ-b?version:'2'?services:wordpress:image:wordpress:4.5restart:alwayslinks:-'db:mysql'volumes:-'wp_upload:/var/www/html/wp-content/uploads'environment:-WORDPRESS_DB_USER=blog-WORDPRESS_DB_PASSWORD=xxxxxx-WORDPRESS_DB_NAME=wordpress-availability:az==2labels:be.url:http://containeraliyun.routing.port_80:http://wordpressaliyun.scale:'3'aliyun.log_store_wordpress:stdoutexternal:host:ports:-3306volumes:wp_upload:driver:ossfsdriver_opts:bucket:acs-sample-wordpress全兼容OSSFS一鍵部署到云上rofVMnodes對象存儲ceOSSFS一鍵部署到云上rofVMnodes對象存儲ce云數(shù)據(jù)庫RDSOSSFSOSSFSAZ-aAZ-bversion:services:wordpress:image:wordpress:4.5restart:alwayslinks:-'db:mysql'volumes:-'wp_upload:/var/www/html/wp-content/uploads'environment:-WORDPRESS_DB_USER=blog-WORDPRESS_DB_PASSWORD=xxxxxx-WORDPRESS_DB_NAME=wordpress-availability:az==2labels:be.url:http://containeraliyun.routing.port_80:http://wordpressaliyun.scale:'3'aliyun.log_store_wordpress:stdoutexternal:host:ports:-3306volumes:wp_upload:driver:ossfsdriver_opts:bucket:acs-sample-wordpresskerComposeSwarm聲明的方式支持容器及云服務OSSFSOSSFSOSSFSAZ-aAZ-b一鍵部署到云上rofVMnodesOSSFSOSSFSOSSFSAZ-aAZ-b一鍵部署到云上rofVMnodes對象存儲ce云數(shù)據(jù)庫RDSservices:wordpress:image:wordpress:4.5restart:alwayslinks:-'db:mysql'volumes:-'wp_upload:/var/www/html/wp-content/uploads'environment:-WORDPRESS_DB_USER=blog-WORDPRESS_DB_PASSWORD=xxxxxx-WORDPRESS_DB_NAME=wordpress-availability:az==2labels:be.url:http://containeraliyun.routing.port_80:http://wordpressaliyun.scale:'3'aliyun.log_store_wordpress:stdoutexternal:host:ports:-3306volumes:wp_upload:driver:ossfsdriver_opts:bucket:acs-sample-wordpressker聲明的方式支持容器及云服務阿里云容器服務MySQL,,Mongo…務列展開發(fā)交付應用務制理展器器存儲支持塊存儲、對象存儲、網(wǎng)絡文件系統(tǒng)支持經典/VPC網(wǎng)絡，支持混合云公共云專有云dededeouterwitchgwbridgeVPCbridgec1c2gwbridgeVPCbridgec1c2gwbridgeVPCbridgec1c2…itchdededeouterwitchgwbridgeVPCbridgec1c2gwbridgeVPCbridgec1c2gwbridgeVPCbridgec1c2…itchgwbridgec4c5gwbridgec1c2gwbridgec7c8overlay跨主機容器網(wǎng)絡?每個容器一個獨立IP?容器跨宿主機直接通信?容器網(wǎng)絡可以通過DNS解析容器地址node2node3node2node3Docker原生Overlay網(wǎng)絡(VXLAN)利用VPC網(wǎng)絡方案?Docker編排技術概述?容器即服務(ContainerasaService)–微服務支持–DevOps?未來發(fā)展趨勢微服務架構的單體應用croservices自治的、協(xié)同工作的服務集群(VPC內)動態(tài)路由規(guī)則生成由服務器Agent器器器監(jiān)控器器器集群(VPC內)動態(tài)路由規(guī)則生成由服務器Agent器器器監(jiān)控器器器器器port80監(jiān)控Agent監(jiān)控port80port80port80port80Agent負載均衡SLB負載均衡SLBce負載均衡SLB集群(VPC內)port80port8080port8080ing器器port80器port8080ACSAgent器port80負載均衡SLB集群(VPC內)port80port8080port8080ing器器port80器port8080ACSAgent器port80器port80器器port80器port80器ACSAgent監(jiān)控port80監(jiān)控ACSAgent監(jiān)控mhttppaymentcompanycom負載均衡SLBceRestServerContainerRestClientcontainerRestServerContainerRestServerContainerRestClientcontainerRestServerContainer實現(xiàn)無關的服務發(fā)現(xiàn)與負載均衡xxgaliyun.scale:"2”aliyunprobeurl:http://container:80be.timeout_seconds:"2”external_links:-"restserver.local"和DNS服務發(fā)現(xiàn)相比–支持靈活的負載均衡策略–避免TTL問題–支持健康檢查aliyun.auto_scaling.max_cpu:70aliyun.auto_scaling.step:2MonitoringAgentDockeraliyun.auto_scaling.max_cpu:70aliyun.auto_scaling.step:2MonitoringAgentDockerEngine?內置云監(jiān)控集成?提供插件機制支持開源、三方監(jiān)控集成MonitoringServerClusterMasterAlertAvgCPU>70%oScaling?聲明式方式定義彈性伸縮策略MoMonitoringAgentDockerEngine一Output:Influxdb,kafka…云監(jiān)云監(jiān)控?Docker編排技術概述?容器即服務(ContainerasaService)–微服務支持–DevOps?未來發(fā)展趨勢從Devvs.Ops到DevOps本地開發(fā)環(huán)境asaServiceDockerCompose模板Pushllll在開發(fā)、測試和生產環(huán)境中保證應用的一致性本地開發(fā)環(huán)境asaServiceDockerCompose模板Pushllll在開發(fā)、測試和生產環(huán)境中保證應用的一致性利用容器實現(xiàn)持續(xù)集成和交付BuildOnceandDeployEverywhereDockerfilesDockerfiles或持版本管理快速上線和回滾30Docker鏡像和Compose部署Webhook通知rr提交代碼服務Docker鏡像和Compose部署Webhook通知rr提交代碼服務完整的容器化持續(xù)交付流程代碼如果構建和UT失敗反饋開發(fā)者阿里持續(xù)交付平臺?Docker編排技術概述?容器即服務(ContainerasaService)–微服務支持–DevOps?未來發(fā)展趨勢trateDockerisDockerSwarmmodeServiceAPICryptographicnodeidentityBuilt-inroutingmeshDockerSwarm模式swarminitockerswarmjoinMASTERIP參見：在阿里云上體驗Docker1.12內置的編排能力服務Services節(jié)點失敗期望狀態(tài)≠實際