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Windows Azure Web SitesThings they don’t teach kids in schoolMaarten Balliauw@maartenballiauw#comdaybe

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Who am I?Maarten BalliauwTechnical Evangelist, JetBrainsAZUGFocus on webASP.NET MVC, Windows Azure, SignalR, ...MVP Windows Azure & ASPInsiderBig passion: Windows Azurehttp://blog.maartenballiauw.be@maartenballiauwShameless self promotion: Pro NuGet -http://amzn.to/pronuget

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AgendaWindows Azure Web SitesArchitectureProject KuduKudu kung-fu

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Windows Azure Web Sites

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Start Simplestart free, scale up and outas you go, friction-freeand without the headachesYour waywith asp.net, php ornode.js, develop onWindows, OSX orLinuxGo Livedeploy live in seconds,easily monitorperformance, rapidlydiagnose andfix issuesWeb Sites in Seconds

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demoWindows AzureWeb Sites

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Architecture

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Load balancerLayers1st layer: Windows Azure load balancer2nd layer: IIS + ARRARR“Reverse proxy”Verifies hosting database (plans, quotas, …)Negotiates best node to run your site onSite not used much? Put it on a highly loaded machine

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Web servers%SYSTEM32%inetsrvconfigapplicationHost.config is taken out of the loopSQL AzureNo refreshing of all app pools when file is savedStorage“File share” hosted on other machinesUsing “WA drive” on blob storageDynamic website activation serviceVerifies runtime database (plans, quotas, …)Site not used for a while? Remove it from the server

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Web Sites are not in IIS. They onlyare when a request comes in!

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AzureLBRuntimeDBStorageControllerIIS ARR(LB)Web WorkerOtherdatabases1st request (cold site)

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StorageControllerIIS ARR(LB)Web WorkerOtherdatabasesxth request (hot site)AzureLB

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Your app not being used for a while?

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Provisioning, publishing, meteringProvisioning and publishingStorage and database!= launching a website on web farmMeteringBy web servers once a site is loadedReported back to runtime database

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RuntimeDBAzureLBStorageControllerIIS ARR(LB)Web WorkerX-DriveDeploymentServerOtherdatabasesSQL AzureBlob storageWindows Azure WorkerRoleProvisioning /API FrontendMeteringDWASSite(W3WP.exe)Site(W3WP.exe)Site(W3WP.exe)Provisioning, publishing, metering

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demoLet’s find someproof…

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Need moreproof?Windows Azure Pack(http://www.microsoft.com/en-us/server-cloud/windows-azure-pack.aspx)Or:http://blog.maartenballiauw.be/post/2012/07/24/Hands-on-Windows-Azure-Services-for-Windows.aspx

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Project Kudu

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Project Kudu“The engine behind git deployments on Windows Azure”Open source (www.github.com/projectkudu/kudu)Provides git deploymentsProvides buildsProvides sandboxingProvides hosting

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demoProject Kudu

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Pointers from the Kudu repositoryMore API operationsFile browser“KuduCalf”(A Kudu is an Antelope. Its baby is a calf. A Kudu Calf is deployed fromKudu.)

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Kudu kung-fu

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demoApplication logstreaming

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Log streamingAll logs from the LogFiles/Application folderOr configure it when querying: azure log tail <site> -p httpSettingsDIAGNOSTICS_LASTRESORTFILE -> file to log to when diagnostics gowrongDIAGNOSTICS_LOGGINGSETTINGSFILE -> settings file (json)DIAGNOSTICS_TEXTTRACELOGDIRECTORY -> default folderDIAGNOSTICS_TEXTTRACEMAXLOGFILESIZEBYTES-> log rotation(bytes)DIAGNOSTICS_TEXTTRACEMAXLOGFOLDERSIZEBYTES -> max logsize (bytes)

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demoManaging settingsand secrets!

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demoStaging andproduction

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demoMulti-tierDeploying a specific project file

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Multi-tier remarks…One .deployment file per branch[config]project=MultiTier.WebApi/MultiTier.WebApi.csprojHow do I deploy all tiers in a separate website?.deployment file per branch and every tier in a branchor customize the build

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Customizing the build processCheck https://github.com/projectkudu/kudu/wiki/Deployment-hooks.deployment file[config]command=<whatever command>Write in batch file, bash script, PHP, JavaScript, …

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demoCustomizingdeploymentsAn introduction

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What can I do in scripts?A lot :-) (but not too much… there’s a sandbox)Environment variables:DEPLOYMENT_SOURCEDEPLOYMENT_TARGETDEPLOYMENT_TEMPWEBROOT_PATHMSBUILD_PATH+ everything you feed it through the management portal

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demoCustomizingdeploymentsSample deployment script

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Great… but why?We’ve seen the multi-tier scenarioWe can download stuff (NuGet package restore, pull in external Git reposbefore build)We can run stuff (msbuild, nuget.exe, curl, php, node, …)

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demoCustomizingdeploymentsWhat about running unit tests?

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Need. Moar!

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Moar out of the boxREST APIhttps://github.com/projectkudu/kudu/wiki/REST-APICreating a custom handlerhttp://www.windowsazure.com/en-us/develop/python/tutorials/web-sites-with-django/

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Need. MOAR!!!

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A private Kudu build in web sites?

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Build and FTP the artifacts/debug/KuduService to your websiteAdd USE_PRIVATE_KUDU=1 app settingEnjoy the ride! (but don’t call support, you’re on your own)See http://blog.davidebbo.com/2012/06/developing-kudu-locally-and-on-azure.htmlA private Kudu build in web sites?

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Conclusion

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Key takeawaysWindows Azure Web Sites are high densityHosted on Cloud ServicesKudu is our best friendSettings and secretsMuliple environmentsMultiple tiersBuild customizationUnit testsKudu-in-Kudu

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Thank you!http://blog.maartenballiauw.be@maartenballiauwhttp://amzn.to/pronuget