Azure Web SItes - Things they don't teach kids in school - Multi-Mania

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Microsoft has a cloud platform which runs .NET, NodeJS and PHP. All 101 talks out there will show you the same: it’s easy to deploy, it scales out on demand and it runs WordPress. Great! But what …

Microsoft has a cloud platform which runs .NET, NodeJS and PHP. All 101 talks out there will show you the same: it’s easy to deploy, it scales out on demand and it runs WordPress. Great! But what about doing real things? In this session, we’ll explore the things they don’t teach kids in school. How about trying to find out the architecture of this platform? What about the different deployment options for Windows Azure Web Sites, the development flow and some awesome things you can do with the command line tools? Did you know you can modify the automated build process? Join me in this exploration of some lesser known techniques of the platform.

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  • Maarten
  • Quick overview demo:Create a siteDeploy something (git? index.php? explain options!)Run over configRun over scaling
  • Show GitHub websiteGo through commits and see if there is something interesting (e.g. KuduCalf)Go through GitHub organization and see if there is anything interestingMention you can run this one on your machine & customize it and even replace the engine on Azure with that customized engine
  • KuduExec?Now what can we do with Kudu… Go to the .scm website every web site has and show some of the features (env/console/process explorer/extensions/…)
  • Show logging applicationExplain nothing special configuredEnable through portalShow stream: azure site log tailstackedlogging(other options are download)Configure verbosity
  • Create an application and use ConfigurationManager.AppSettings["MyKey"] tospecify a ‘dev’ variable or somethingShow environment variable printingUpdate setting in portalFTP into the system and note that the web.config is UNTOUCHED!We can use this for storing secrets
  • Menion the way to do it with STANDARD modeShow Hg repository in which I have created two branches: the default one and a “staging” oneConfigure one production websiteConfigure one staging websiteExplain hostnames, scaling, configuration and so on
  • Explain solution structure: two web projectsCreate .deployment fileAdd:[config]project = MultiTier.WebApi/MultiTier.WebApi.csproj
  • Too long for slides!Run azure site deploymentscript --basicOr azure site deploymentscript –aspWAPRun through script
  • Explain unit test projectDeploy with successDeploy with failure
  • Note there are
  • Note there are

Transcript

  • 1. Azure Web Sites Things they don’t teach kids in school Maarten Balliauw @maartenballiauw
  • 2. Who am I? Maarten Balliauw Antwerp, Belgium Technical Evangelist, JetBrains Founder, MyGet AZUG Focus on web ASP.NET MVC, Azure, SignalR, ... MVP Azure & ASPInsider Big passion: Azure http://blog.maartenballiauw.be @maartenballiauw Shameless self promotion: Pro NuGet - http://amzn.to/pronuget2
  • 3. Agenda Azure Web Sites Architecture Project Kudu Kudu kung-fu Application log streaming Managing settings Staging and Production Multi-tier deployments Customizing deployments Running “jobs” (batch files / background processes) Visual Studio Online
  • 4. Azure Web Sites
  • 5. Start Simple start free, scale up and out as you go, friction-free and without the headaches Your way with asp.net, php or node.js, develop on Windows, OSX or Linux Go Live deploy live in seconds, easily monitor performance, rapidly diagnose and fix issues online IDE Web Sites in Seconds
  • 6. demo Azure Web Sites
  • 7. Architecture
  • 8. Azure Web Sites use Azure Cloud Services + load balancer Load-balanced Layer 7 reverse proxy Actual infrastructure Blob storage Your web site is on here (GRS) SQL Azure Your web site config + metering is on here
  • 9. Web Sites are not always in IIS. They only are when requests come!
  • 10. Azure LB Runtime DB Storage Controller IIS ARR (LB) Web Worker Other databases 1st request (cold site)
  • 11. Storage Controller IIS ARR (LB) Web Worker Other databases xth request (hot site) Azure LB
  • 12. Runtime DB Azure LB Storage Controller IIS ARR (LB) Web Worker X-DriveDeployment Server Other databas es SQL Azure Blob storage Azure Worker Role Provisioning / API Frontend Metering DWAS Site (W3WP.exe)Site (W3WP.exe) Site (W3WP.exe) The full picture
  • 13. Need some proof? 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
  • 14. Project Kudu
  • 15. Project Kudu “The engine behind git deployments on Windows Azure” Open source (www.github.com/projectkudu/kudu) Provides git deployments Provides builds Provides sandboxing Provides hosting
  • 16. demo Project Kudu
  • 17. demo Project Kudu on Azure Web Sites
  • 18. Kudu kung-fu
  • 19. Let’s be agile... Demos Application log streaming Managing settings Staging and Production Multi-tier deployments Customizing deployments Running “jobs” (batch files / background processes) Visual Studio Online
  • 20. demo Application log streaming
  • 21. Log streaming All logs from the LogFiles/Application folder Or configure it when querying: azure log tail <site> -p http Settings DIAGNOSTICS_LASTRESORTFILE -> file to log to when diagnostics go wrong DIAGNOSTICS_LOGGINGSETTINGSFILE -> settings file (json) DIAGNOSTICS_TEXTTRACELOGDIRECTORY -> default folder DIAGNOSTICS_TEXTTRACEMAXLOGFILESIZEBYTES-> log rotation (bytes) DIAGNOSTICS_TEXTTRACEMAXLOGFOLDERSIZEBYTES -> max log size (bytes)
  • 22. demo Managing settings and secrets!
  • 23. demo Staging and production (there are more ways to do this)
  • 24. demo Multi-tier Deploying a specific project file
  • 25. Multi-tier remarks… One .deployment file per branch [config] project=MultiTier.WebApi/MultiTier.WebApi.csproj How do I deploy all tiers in a separate website? .deployment file per branch and every tier in a branch or customize the build or add an environment variable How do I deploy all tiers in the same website? No .deployment file, just use virtual directories
  • 26. Customizing the build process Check https://github.com/projectkudu/kudu/wiki/Deployment-hooks .deployment file [config] command=<whatever command> Write in batch file, bash script, PHP, JavaScript, …
  • 27. What can I do in scripts? A lot :-) (but not too much… there’s a sandbox) Environment variables: DEPLOYMENT_SOURCE DEPLOYMENT_TARGET DEPLOYMENT_TEMP WEBROOT_PATH MSBUILD_PATH KUDU_SYNC_CMD + everything you feed it through the management portal
  • 28. demo Customizing deployments Sample deployment script
  • 29. Great… but why? Deploy an advanced multi-tier scenario We can download stuff (NuGet package restore, pull in external Git repos before build) We can run stuff (msbuild, nuget.exe, curl, php, node, …)
  • 30. demo Customizing deployments What about running unit tests?
  • 31. Post-Deployment scripts https://github.com/projectkudu/kudu/wiki/Post-Deployment-Action-Hooks Deploy to other regions once the first succeeds Send an e-mail notification Update database Send a Tweet …
  • 32. demo Running Web Jobs (background processes)
  • 33. Web Jobs There is lots more! http://www.asp.net/aspnet/overvi ew/developing-apps-with- windows-azure/azure-webjobs- recommended-resources Web Jobs SDK - react to what happens in blob, table, queue Run jobs continuously Run jobs scheduled Run jobs at interval Run jobs on demand (manual / API) class Program { static void Main(string[] args) { JobHost host = new JobHost(); host.RunAndBlock(); } public static void SquishNewlyUploadedPNGs( [BlobInput("input/{name}")] Stream input, [BlobOutput("output/{name}")] Stream output) { var quantizer = new WuQuantizer(); using (var bitmap = new Bitmap(input)) { using (var quantized = quantizer.QuantizeImage(bitmap)) { quantized.Save(output, ImageFormat.Png); } } } }
  • 34. demo Visual Studio Online
  • 35. Conclusion
  • 36. Key takeaways Azure Web Sites are hosted on Azure, high density Based on Project Kudu Kudu kung-fu Application log streaming Managing settings Staging and Production Multi-tier deployments Customizing deployments Running “jobs” (batch files / background processes) Visual Studio Online
  • 37. Thank you! http://blog.maartenballiauw.be @maartenballiauw http://amzn.to/pronuget