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NSWI152 - V ývoj cloudových aplikací Filip Zavoral, Jaroslav Keznikl, Stanislav Ulrych http://ulita.ms.mff.cuni.cz/

NSWI152 - V ývoj cloudových aplikací Filip Zavoral, Jaroslav Keznikl, Stanislav Ulrych http://ulita.ms.mff.cuni.cz/pub/predn/NSWI152/. Průběh semestru, požadavky. Průběh semestru 0/2 Z, průběh semestru nepravidelný některé týdny cvičení - ' Guided Tour ' v SW2

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NSWI152 - V ývoj cloudových aplikací Filip Zavoral, Jaroslav Keznikl, Stanislav Ulrych http://ulita.ms.mff.cuni.cz/

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  1. NSWI152 - Vývoj cloudových aplikacíFilip Zavoral, Jaroslav Keznikl, Stanislav Ulrychhttp://ulita.ms.mff.cuni.cz/pub/predn/NSWI152/

  2. Průběh semestru, požadavky Průběh semestru 0/2 Z, průběh semestru nepravidelný některé týdny cvičení - 'Guided Tour'v SW2 některé týdny praxe - samostatná práce Platformy Windows Azure Filip Zavoral cca 3 týdny cvičení - instalace, deployment, multi-tier aplikace cca 3 týdny praxe - vlastní aplikace Google App Engine Jaroslav Keznikl 2-3týdny cvičení 2-3 týdny praxe Amazon Elastic Cloud Stanislav Ulrych 2-3 týdny cvičení + praxe

  3. Znalosti NSWI150 Virtualizace a cloud computing speciálně část týkající se cloudů http://data.ksi.ms.mff.cuni.cz/svn/NSWI150pub/index.html C#, ASP.Net, Python běžné věci na základní úrovni, copy-and-paste Účty Microsoft Account (Windows Live ID) http://windows.microsoft.com/en-US/windows-8/microsoft-account#1TC=t1 Google Account Amazon Account !! platebníkarta - strhnou 1$ telefon - zavolají na ověření identity Virtuální stroje VMware vSphere Client / Web Client Windows, VS11, .Net 4.5 Prerekvizity a požadavky

  4. Windows AzureFilip Zavoral

  5. Microsoft Azure CDN caching integration HPC business analytics media commerce identity & security compute data management networking VMs websites cloud services connect virtual network blob SQL database noSQLdatabase traffic manager Global Physical Infrastructure servers/network/datacenters automated managed resources elastic usage based

  6. Windows Azure Cloud Components

  7. Plán Studijní materiály, odkazy, harmonogram http://ulita.ms.mff.cuni.cz/pub/predn/NSWI152/ (Ulita  Výuka  NSWI152) Příprava prostředí Virtual Machines Instalace SDK, WATK Aktivace Windows Azure Window Azure Management Portal HelloWorld Příprava infrastruktury Windows Azure Training Kit Hands-on Labs / Web Sites / Building and Publishing... / Lab Manual Vytvoření, deployment a spuštění aplikace GuestBook Vícevrstvá komplexnější reálná aplikace Web role, worker role, queues, blob, tables Vlastní aplikačka Individuálně nebo komplexnější aplikace ve dvojici Libovolný jazyk: .Net, Java, Php, Node.js, Python ...

  8. Příprava prostředí Virtual Machines VMware vSphere Client bobr.ms.mff.cuni.cz - SIS login / pwd vSphere Web client https://bobr.ms.mff.cuni.cz/vsphere-client [VCenter] VM: BOBR / VIRTLAB / Cloud / Students Nastavit IP 10.2.1.xx Grupík Subnet 255.255.0.0, GW 10.2.0.1, DNS 195.113.19.71/77 RDP: acheron.ms.mff.cuni.cz:102xx Power Options - never sleep Windows Azure SDK 2.2 pro VS 2013 http://www.windowsazure.com/en-us/develop/net/tutorials/get-started/ Aktivace Windows Azure http://www.windowsazurepass.com/azureu Window Azure Management Portal https://manage.windowsazure.com/ Windows Azure Training Kit http://ulita.ms.mff.cuni.cz/pub/predn/NSWI152/azure/watk.exe c:\azure\watk Have a codeRedeem

  9. Web Platform Installer - Azure SDK 2.2

  10. Microsoft Azure Academic Licence Cloud Services 2 Small Instances for Web or Worker Role Data Management Two 1 GB Web Edition SQL Databases 35 GB of Storage 50,000,000 Storage Transactions Data Transfers 16 GB Bandwidth (8 GB In, 8 GB Out) Messaging 750 Service Bus Relay Hours 250,000 Service Bus Messages Identity 100,000 Access Control Transactions

  11. HelloWorld Windows Azure Training Kit Hands-on Labs / Web Sites / Building and Publishing... / Lab Manual Objectives Create a Web Site from the Windows Azure Management Portal Use MS VS 2012 to build a new ASP.NET MVC 4 application Deploythe application using Web Deploy from Visual Studio Setup watk\Labs\ASPNETAzureWebSitesVS2012\Source setup.cmd - Run as administrator ! E0: Creating an MVC 4 Application using Entity Framework Code Task 1 - Creating an ASP.NET MVC 4 Application in Visual Studio E1: Publishing an MVC 4 Application using Web Deploy Task 1 - Creating a New Web Site from the Windows Azure Portal Task 2 - Configuring the Database Server Task 3 - Publishing an ASP.NET MVC 4 Application using Web Deploy

  12. Create Application E0: Creating an MVC 4 Application using Entity Framework Code Task 1 - Creating an ASP.NET MVC 4 Application in Visual Studio Create New Project [1-2] Installed Templates, Visual C# Web, .NetFramework 4.5, ASP.Net Web Application [3] Internet Application Model-View-Controller Solution explorer: Models, Views, Controllers, ..., ... Create Person Model [4] Solution Explorer/Models: Add class Person [5-6] Models/Person.cs:add properties, build class PersonContext : DbContext { DbSet<Person> People; } Create Person Controller & View [7-9] Solution Explorer/Controllers, Add Controller, Scaffolding options (!) Controllers: PersonController, Views/Person: Create/Delete/... .cshtml@Html.LabelFor .EditorFor.DisplayFor.DisplayNameFor.ActionLink [10-11] Controllers/PersonController.cs: see generated methods Do not close Visual Studio  ASP.Net MVC tutorials & hands-on labs http://www.asp.net/mvc/tutorials/hands-on-labs

  13. Create Web Site & Database Server E1: Publishing an MVC 4 Application using Web Deploy Task 1 - Creating a New Web Site from the Windows Azure Portal Create Web Site [1-3] Azure Portal, [dole] New, Compute, Web Site, Quick Create, vlastníURL [4-6] (wait) Web Site menu Scale - Free / Shared / Reserved Dashboard / Monitor / Configure - ... ... explore URL - try Download Publish Profile [7-8] Dashboard, [vpravo] Quick Glance, Download publish profile Task 2 - Configuring the Database Server Create Database Server [1] SQL Databases, Servers, Add - rememberpassword! Create db server, not database! Quick Glance: URL, login Allow Connection [2-3] Database server / Configure / Allowed IP address, Save! acheron.ms.mff.cuni.cz - 195.113.18.36

  14. Publish Application E1: Publishing an MVC 4 Application using Web Deploy Task 3 - Publishing an ASP.NET MVC 4 Application using Web Deploy Establish Connection [1] VS, Solution Explorer: WebSite (rmb) / Publish [2] Profile / Import: Publish Profile Test Connection [3] Connection: Validate Connection, Next Deploy Configuration & Create Database [4] Settings: Databases, PersonContext [...] [5-6] Destination Connection String: Server name, User, Password, new db name - OK, Yes Publish Application [7-8] Publish Web: Preview / Publish [9-10] URL: xxxx/Person E2: Publishing an MVC 4 Application using Git Samostatně E3: Ftp Access Quick Glance: Reset Deployment Credentials ftp user = deployment user

  15. GuestBook Windows Azure Training Kit Hands-on Labs / Cloud Services / Intro to Cloud Services - for VS 2012/ LabM Objectives Create applications in Windows Azure using web roles and worker roles Use Storage services including blobs, queues and tables Publish an application to Windows Azure Cloud Services Setup watk\Labs\IntroToCloudServices-VS2012\Source setup.cmd - Run as administrator ! Exercises E1: Building Windows Azure Application with Blobs and Tables E2: Background Processing with Worker Roles and Queues E3: Publishing a Windows Azure Application

  16. GuestBook Outline E1: Building Windows Azure Application with Blobs and Tables Task 1 - Creating the Visual Studio Project Task 2 - Creating a Data Model for Entities in Table Storage Task 3 - Creating a Web Role to Display the Guest Book and Process User Input Task 4 - Queuing Work Items for Background Processing E2: Background Processing with Worker Roles and Queues Task 1 - Creating a Worker Role to Process Images in the Background E3: Publishing a Windows Azure Application Task 1 - Creating a Storage Account and a Cloud Service Component Task 2 - Publishing the Application to the Windows Azure Management Portal Task 3 - Configuring the Application to Increase the Number of Instances Task 4 - Testing the Application in the Staging Environment Task 5 - Promoting the Application to Production

  17. E1T1 - Create Application E1: Building Windows Azure Application with Blobs and Tables Task 1 - Creating the Visual Studio Project Create Cloud Service Project [1-2] Run VS 2012 as administrator Windows Azure Compute Emulator [3-4] Installed Templates, Visual C# Cloud, .Net4.5, W Azure Cloud Service, vyplnit Create Web Service Web Role [5] New W Azure Cloud Service, Visual C#, ASP.Net Web Role >GuestBook_WebRole [6] Solution Explorer - explore Projects in Solution GuestBook -service definition, local / production configuration of roles, .cscfg GuestBook_WebRole - ASP.Net Web Application GuestBook_WorkerRole, GuestBook_Data, ... Task 2 - Creating a Data Model for Entities in Table Storage Task 3 - Creating a Web Role to Display the Guest Book and Process User Input Task 4 - Queuing Work Items for Background Processing

  18. E1T2 - Data Model Task 2 - Creating a Data Model for Entities in Table Storage Key/Value Tables Key/Value Table - scalable data storage NSWI150 Table storage API WCF Data Services (ADO.Net Data Services Framework) REST APIWCF Data Services Client Library (.Net Client Library) MyEntity : TableServiceEntity - schema class MyContext : TableServiceContext - table access MyContext.IQueryable<MyEntity> - table definition and mapping Create Data Project [1-2] New Project, Installed, Visual C#, Windows, .Net 4.5, ClassLibrary, GuestBook_Data [3] delete Class1.cs [4-5] Solution explorer, GuestBook_Data, Add Reference, Framework System.Data.ClientServices, Microsoft.WindowsAzure.StorageClient Create Schema Class [6] Add Visual C# Items, Class, GuestBookEntry.cs [7] import StorageClient library [8] inherit class from TableServiceEntity PartitionKey, RowKey, TimeStamp

  19. E1T2 - Data Model Task 2 - Creating a Data Model ... continued Define Schema PartitionKey day - partitioning, RowKeyreverse time - sort order [9] default constructor - initializes keys [10-11] other properties - data row , save Message, GuestName, PhotoUrl, ThumbnailUrl Create Context Class [12-15] GuestBook_Data, Add Class, GuestBookDataContext.cs : TableServiceContext constructor - initialize with account info, IQueryable<GuestBookEntry> [16-17]Add Class GuestBookDataSource.cs - object bound to data controls [18-19] add storageAccount, context, constructor [20-24] finalize bindings, queries and initializations, save results = from g in this.context.GuestBookEntry where g.PartitionKey == DateTime.UtcNow.ToString("MMddyyyy") select g; [21,23]LINQ queries var results = from g in this.context.GuestBookEntry where g.PartitionKey == partitionKey && g.RowKey == rowKey select g; var entry = results.FirstOrDefault<GuestBookEntry>(); entry.ThumbnailUrl = thumbUrl; this.context.UpdateObject(entry); this.context.SaveChanges();

  20. E1T3 - Web Role Task 3 - Creating a Web Role to Display the Guest Book and Process User Input Create Application Page [1] SE: GB_WebRole, Add reference to Solution / GuestBook_Data [2] delete automatically generated default page GBWR/Default.aspx [3] Add existing item watk\itcs....\Source\Ex1...\Assets\*.* page already prepared by watk - code, images, styles - explore Process Guest Entry [4-6] GB_WebRole: Default.aspx - add using, declarations note: GuestBook_Data [7] add event handler to SignButton_Click upload to blob, new table entry GuestBookEntry entry = new GuestBookEntry() { GuestName = this.NameTextBox.Text, Message = this.MessageTextBox.Text, PhotoUrl = blob.Uri.ToString(), ThumbnailUrl = blob.Uri.ToString() }; GuestBookDataSource ds = new GuestBookDataSource(); ds.AddGuestBookEntry(entry);

  21. E1T3 - Web Role Task 3 - Creating a Web Role ... continued Load Page [8] Timer1_Tick - periodical refresh [9] Page_Load - enable timer Initialize Storage [10] replace InitializeStorage default code by watk execute only once, read account settings, create and configure blob container Create Storage [11] SE: GB, Roles, GBWR Properties, Settings - Add Setting DataConnectionString, [...] [12-13] Create WAzure Storage Emulator, save emulator v ramci VS SDK, pro deployment se dosadispravny connection string - nezapomenout [14-16] Setup Environment - Global.asax.cs - using, ApplicationStart storageAccount= CloudStorageAccount.FromConfigurationSetting("DataConnectionString"); blobStorage =storageAccount.CreateCloudBlobClient(); container = blobStorage.GetContainerReference("guestbookpics"); container.CreateIfNotExist();

  22. E1T4 - Queue & Run Task 4 - Queuing Work Items for Background Processing Declare and Initialize Queue [1-2] Default.aspx class _Default - declare queueStorage [3] InitializeStorage- add initialization code after blob queue "guestthumbs" Enqueue Message [4] SignButton_Click - locate queue, form message, enqueue - add code Verification Run Application Windows Azure Compute Emulator (Development Fabric) [1-3] F5 build & run - browser system tray - Show Compute Emulator, firewall - allow access Storage Explorer [4]VS: View/ServerExplorer/WAzureStorage/Develpment- table, blob queue = queueStorage.GetQueueReference("guestthumbs"); message = new CloudQueueMessage(string.Format("{0},{1},{2}", blob.Uri.ToString(), entry.PartitionKey, entry.RowKey)); queue.AddMessage(message);

  23. E2 - Worker Role E2: Background Processing with Worker Roles and Queues Task 1 - Creating a Worker Role to Process Images in the Background Create Worker Role [1-2] stop debugging, continue with the solution [3-6] GuestBook, Roles, New Worker Role, add references Programming Worker Role [7-8] WorkerRole.cs: add using, WorkerRole: add queue and blob properties [9] OnStart - worker initialization read config, init blob & queue, catch [10] Run - replace default body - main worker logic fetch & parse msg, read blob, create thumbnail, write blob, update thumbnailusing - unmanaged IDisposable objects processing [11] ProcessImage - create thumbnail, save to output stream Storage Service [12] Create WAzure Storage Emulator ( E1T3.12-13) Verification [1-6] Run - wait a moment, create an entry, wait a moment [4] Server Explorer - explore data

  24. E3T1 - Create Storage and Component E3: Publishing a Windows Azure Application Task 1 - Creating a Storage Account and a Cloud Service Component Create Afinity Group [1-5] Portal/Networks: Create VirtualNetwork / Afinity Group  - no other options Create Storage [6-7] New Data Service - Quick Create [8-9] Create unique! URL - wait [10-12] Manage Keys - store Access Key Create Cloud Service [13-16] New Compute Cloud Service - the same URL as [8] (if possible) [17] do not close browser - explore

  25. E3T2 - Publish Task 2 - Publishing the Application to the Windows Azure Management Portal Deployment options Visual Studio, PowerShell WAzurecmdlets, WAzure Portal other options  WAzure Deployment Lab Service Configuration [1-3] continue with the solution (or Ex3/.../GuestBook.sln) [4-5] update ServiceConfiguration.Cloud.cscfg !!!GuestBook/Roles/GuestBook_*Role/Properties/Settings - Connection String[...] Manual replace all 4 values (!) by Storage Account Key and Access Key - see img Generate Package [6] VS: GuestBook, Package: Cloud/Debug enable NuGet downloadbuild, Begin\GuestBook\bin\Debug\app.publish\*.cspkg, .cscfg Upload Package [7-15] Cloud Service, Dashboard, Staging, Upload [13]!Deploy even if one or more roles contain a single instance - wait Task 3 - Configuring the Application to Increase the Number of Instances Task 4 - Testing the Application in the Staging Environment Task 5 - Promoting the Application to Production watkzdetrochuzmatený, nejlépe viz obrázek xml !!! Pozor !!! we watkchybíupozornění nejdřív vyzkoušet v staging, potom upgrade to production

  26. Usefull tools & practices Useful tools Storage explorer http://azurestorageexplorer.codeplex.com/ Practices Using Trace http://blogs.msdn.com/b/windowsazure/archive/2012/10/25/using-trace-in-windows-azure-cloud-applications-1.aspx .cscfg: Microsoft.WindowsAzure.Plugins.Diagnostics.ConnectionString Local debugging run locally, remote data access Displaying error codes and exceptions (web role) web.config: <system.web> <customErrors mode="Off"/>

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