Open a window, see the clouds - php|tek 2011

1. Open a Window, see the clouds Rafael Dohms photo credit: Denis Grzetic Wednesday, May 25, 2011

2. Rafael Dohms photo credit: Eli White PHP Evangelist and ZCE in Brazil and a very active member of the PHP Community. He helped found two PHP User Groups over the years and currently shares the lead of PHPSP. Developer, gamer and lover of code he also hosts Brazil’s ﬁrst PHP Podcast: PHPSPCast. Currently he works for MIH SWAT Team, a group of experts that provides technical knowledge to the MIH group as well as working on R&D in search of the new and exciting niches of the web. His role as a Senior PHP Developer is to code, train and aid other companies and to have fun doing so. Wednesday, May 25, 2011

3. PEEKING OUT THE WINDOW • What is the Cloud? • Why choose the Cloud? • Let’s take a look at Windows Azure • How does that affect my code? Wednesday, May 25, 2011

4. WHAT IS THE CLOUD? not just another buzzword bingo word Wednesday, May 25, 2011

5. REGULAR HOSTING • Shared account, VPS or Local Machine • One machine, one place • Pay by month Wednesday, May 25, 2011

6. Self REGULAR HOSTING • Shared account, VPS or Local Machine • One machine, one place • Pay by month Wednesday, May 25, 2011

7. CLOUD COMPUTING • Less “physical attachment” • One or multiple machines or “instances” • Geologically spread • Pay per hour/usage/data • “abstraction” of resources • 3 Flavors: IaaS, PaaS, SaaS Wednesday, May 25, 2011

8. Data Application Software Operating System Hardware/Network Wednesday, May 25, 2011

9. Storing Data Sharing Deploying Application Developing MySQL Software Apache Configuring Operating System Upgrading Cooling Hardware/Network Cabling Wednesday, May 25, 2011

10. IaaS a Service” “Infrastructure as Data Application Software Operating System Hardware/Network Wednesday, May 25, 2011

11. IaaS a Service” “Infrastructure as Data Application Software Operating System you them Hardware/Network Wednesday, May 25, 2011

12. PaaS “Platform as a Service” Data Application Software Operating System Hardware/Network Wednesday, May 25, 2011

13. PaaS “Platform as a Service” Data Application you them Software Operating System Hardware/Network Wednesday, May 25, 2011

14. SaaS “Software as a Service” Data Application Software Operating System Hardware/Network Wednesday, May 25, 2011

15. SaaS “Software as a Service” Data you them Application Software Operating System Hardware/Network Wednesday, May 25, 2011

16. X WHY CHOOSE THE CLOUD? What are the advantages of using the cloud? Wednesday, May 25, 2011

17. trafﬁc time THE UTILITY MODEL Wednesday, May 25, 2011

18. trafﬁc time THE UTILITY MODEL Wednesday, May 25, 2011

19. trafﬁc peak time THE UTILITY MODEL Wednesday, May 25, 2011

22. IaaS Paas SaaS costs server managment. software management product deploy Wednesday, May 25, 2011

23. AVAILABILITY Wednesday, May 25, 2011

26. SCALABILITY Stateless Compute + Durable Storage Wednesday, May 25, 2011

27. SCALABILITY Stateless Compute + Durable Storage Wednesday, May 25, 2011

28. LET’S LOOK INSIDE Wednesday, May 25, 2011

29. Windows Azure Overview Fabric Compute Storage Wednesday, May 25, 2011

30. Fabric Middleware, used for developing, deploying and managing your applications AppFabric developer Wednesday, May 25, 2011

31. Fabric Compute Storage Wednesday, May 25, 2011

32. Compute Web Role Worker Role VM Role Windows Server Web application Background 2008 instance that running on top of processing can be loaded on IIS demand Wednesday, May 25, 2011

33. Fabric Compute Storage Wednesday, May 25, 2011

34. Cached version of CDN any resource in storage with a URI Storage Data Storage Table Storage Blob Storage SQL Azure Queue Text and binary Compatible with Messaging between Structured Storage data SQL Server Web and Worker Wednesday, May 25, 2011

35. UP & RUNNING for Development and Deployment • Requisites: • IIS7 Tools • Azure SDK (install DevAppFabric, the azure emulator) • Command Line Tools • Command line tools for PHP Wednesday, May 25, 2011

36. BASIC TOOLSET • Command Line tools for PHP • Packages applicationand runs in emulator, with simulated compute and storage. • Azure Tools for Eclipse • Makes most processes a click-through process and gives you a nice IDE Wednesday, May 25, 2011

37. Developer Environment Azure Emulator Code (Dev fabric) Packaging tools (command line or eclipse) Package + Service Conﬁguration Azure Window Azure (AppFabric) SQLAzure Storage Wednesday, May 25, 2011

38. Developer Environment Azure Emulator Code (Dev fabric) PHP Packaging tools (command line or eclipse) Package + Service Conﬁguration Azure Window Azure (AppFabric) SQLAzure Storage Wednesday, May 25, 2011

40. Developer Environment Azure Emulator Code (Dev fabric) php package.php PHP --project="twitter-azure" Packaging tools --target="c:azure-build" (command line or eclipse) --source="C:twitter-azure" Package + Service --defaultDoc="public/index.php" Conﬁguration --phpRuntime="C:Program Files (x86)PHPv5.3" --cleanRebuild --runDevFabric Azure Window Azure (AppFabric) SQLAzure Storage Wednesday, May 25, 2011

42. THE GOOD • REST APIs • Storage • Diagnostics • Relational DB: SQL Azure • Role Architecture Wednesday, May 25, 2011

43. THE BAD • Windows-only Management • No Azure Emulator for non-Windows OS • No Packaging Command Line tools for non-Windows OS Wednesday, May 25, 2011

44. HOW DOES THAT AFFECT CODE? What tools can we use and how should we design our apps Wednesday, May 25, 2011

45. WHAT DO I WORRY ABOUT? Wednesday, May 25, 2011

46. WHAT DO I WORRY ABOUT? Code Wednesday, May 25, 2011

47. WHAT DO I WORRY ABOUT? Code PHP on IIS/Windows Wednesday, May 25, 2011

48. WHAT DO I WORRY ABOUT? Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

49. WHAT DO I WORRY ABOUT? Scaling Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

50. WHAT DO I WORRY ABOUT? Scaling No Local Storage Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

51. WHAT DO I WORRY ABOUT? Scaling No Local Storage Session sharing Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

52. WHAT DO I WORRY ABOUT? Scaling No Local Storage Session sharing Worker Roles Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

53. WHAT DO I WORRY ABOUT? Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

54. WHAT DO I WORRY ABOUT? Storage Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

55. WHAT DO I WORRY ABOUT? What kind? Storage Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

56. WHAT DO I WORRY ABOUT? Table / Blob What kind? Storage Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

57. WHAT DO I WORRY ABOUT? Table / Blob Framework or PHP SDK What kind? Storage Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

58. WHAT DO I WORRY ABOUT? Table / Blob Framework or PHP SDK What kind? Relational Database Storage Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

59. WHAT DO I WORRY ABOUT? Table / Blob Framework or PHP SDK What kind? Relational Migrate to SQL Azure Database Storage Scaling No Local Storage Session sharing Worker Roles Queues Architecture Code PHP on IIS/Windows Wednesday, May 25, 2011

60. AZURE-READY FRAMEWORKS Wednesday, May 25, 2011

61. WHAT MAKES IT COMPATIBLE? Code Does it run on PHP on Windows? Tools Does it have API Handlers? Database Does it offer MS SQL Compatibility? Wednesday, May 25, 2011

62. Tools • Blobs, Tables and Queues (CRUD operations) • Helper Classes for HTTP transport, AuthN/AuthZ, REST and Error Management • Manageability, Instrumentation and Logging support Database • Not tested, but should work well. Wednesday, May 25, 2011

63. Database • MS-SQL Drivers* are compatible with SQLAzure * Using pdo_sql_server, possibly pdo_dblib Powered by Doctrine: Wednesday, May 25, 2011

64. • PHP code runs normally, in Azure so any framework will work. • You will need other tools to communicate with resources like: DB, Queue, etc... • These have been tested! Wednesday, May 25, 2011

65. AZURE PHP SDK • Services: • Blob Storage • Table Storage • Queue Storage • Diagnostic Tools • Compatible with PHP 5+ Wednesday, May 25, 2011

66. GOING OUT THE WINDOW Sample migration to the cloud • Sample Application: “Twitter RT Calculator” • Objective: Analyse your latest tweets that were ReTweeted, and calculate stats based on locations and words. • Show how to migrate: • Database: MySQL > SQLAzure • Move processing into a worker role using the Queue Wednesday, May 25, 2011

67. GOING OUT THE WINDOW Sample migration to the cloud • Sample Application: “Twitter RT Calculator” • Objective: Analyse your latest tweets that were ReTweeted, and calculate stats based on locations and words. • Show how to migrate: • Database: MySQL > SQLAzure • Move processing into a worker role using the Queue Wednesday, May 25, 2011

68. Twitter OAuth Wait for it... Wednesday, May 25, 2011

71. Twitter OAuth Wait for it... MySQL Wednesday, May 25, 2011

72. Twitter OAuth Wait for it... MySQL Results Wednesday, May 25, 2011

75. Twitter OAuth Don’t call me, i’ll call you Wednesday, May 25, 2011

76. Twitter OAuth Queue Don’t call me, i’ll call you Wednesday, May 25, 2011

77. Twitter OAuth Queue Don’t call me, i’ll call you Worker Wednesday, May 25, 2011

80. Twitter OAuth Queue Don’t call me, i’ll call you Worker SQLAzure Wednesday, May 25, 2011

81. Twitter OAuth Queue Don’t call me, i’ll call you Worker SQLAzure Wednesday, May 25, 2011

82. Twitter OAuth Queue Don’t call me, i’ll call you Worker Results SQLAzure Wednesday, May 25, 2011

83. Twitter OAuth Queue Don’t call me, i’ll call you Worker Worker Worker Worker Worker Worker Worker Worker Worker Worker Worker Results SQLAzure Wednesday, May 25, 2011

84. USING SQLAZURE PDO MSSQL Driver doctrine.dbal.connection_options: driver: pdo_sqlsrv dbname: twitter-sample-app host: pl69qjwy8k.database.windows.net port: 1433 user: rdohmsDemo@pl69qjwy8k password: *password* Wednesday, May 25, 2011

85. LINE THEM UP IN THE QUEUE //Add user to our Queue $qItem = new stdClass(); $qItem->twitter_handle = $twitterInfo->screen_name; $qManager = new AzureQueue($this->getApp()->getConfig('azure')); $qManager->addToQueue($qItem); Wednesday, May 25, 2011

86. LINE THEM UP IN THE QUEUE //Add user to our Queue $qItem = new stdClass(); $qItem->twitter_handle = $twitterInfo->screen_name; $qManager = new AzureQueue($this->getApp()->getConfig('azure')); $qManager->addToQueue($qItem); $this->client = new Zend_Service_WindowsAzure_Storage_Queue( $qConfig['host'], $qConfig['accountName'], $qConfig['accountKey'] ); $this->queue = $this->getQueueInstance($queueName); __contruct() Wednesday, May 25, 2011

87. LINE THEM UP IN THE QUEUE //Add user to our Queue $qItem = new stdClass(); $qItem->twitter_handle = $twitterInfo->screen_name; $qManager = new AzureQueue($this->getApp()->getConfig('azure')); $qManager->addToQueue($qItem); $this->client = new Zend_Service_WindowsAzure_Storage_Queue( $qConfig['host'], $qConfig['accountName'], $qConfig['accountKey'] ); $this->queue = $this->getQueueInstance($queueName); __contruct() public function addToQueue($item) { $this->client->putMessage($this->queue->name, serialize($item)); } Wednesday, May 25, 2011

88. while (true){ try{ $this->logAction("Checking for messages..."); FIRST COME, //Read Queue $qMessage = $qManager->getMessage(); //If no message, sleep for 3 seconds and try again FIRST SERVED if ($qMessage === null){ $this->logAction("No pending messages..."); sleep(3); continue; } //Retrieve User {... doctrine query for stored twitter handle ...} //Clear Message $this->logAction("Removing message form queue..."); $qManager->deleteMessage($qMessage); //Process User $this->processUser($user); //Warn User $this->sendWarning($user); } catch (Exception $e) { $this->logAction("Exception found:" .$e->getMessage } $this->logAction("Initiating sleep for next loop."); sleep(2); } Wednesday, May 25, 2011

90. while (true){ try{ $this->logAction("Checking for messages..."); FIRST COME, //Read Queue $qMessage = $qManager->getMessage(); //If no message, sleep for 3 seconds and try again FIRST SERVED if ($qMessage === null){ $this->logAction("No getMessage() public function pending messages..."); { sleep(3); $messages = $this->client->getMessages($this->queue->name, 1); continue; } if (count($messages) > 0){ //Retrieve User $qMessage = array_shift($messages); {... doctrine query for stored twitter handle ...} $message = new stdClass(); //Clear Message $message->qMessage = $qMessage; $this->logAction("Removing message form queue..."); $message->decoded = unserialize($qMessage->messagetext); $qManager->deleteMessage($qMessage); return $message; //Process User } $this->processUser($user); return null; //Warn User $this->sendWarning($user); } } catch (Exception $e) { $this->logAction("Exception found:" .$e->getMessage } $this->logAction("Initiating sleep for next loop."); sleep(2); } Wednesday, May 25, 2011

91. while (true){ try{ $this->logAction("Checking for messages..."); FIRST COME, //Read Queue $qMessage = $qManager->getMessage(); //If no message, sleep for 3 seconds and try again FIRST SERVED if ($qMessage === null){ $this->logAction("No getMessage() public function pending messages..."); { sleep(3); $messages = $this->client->getMessages($this->queue->name, 1); continue; } if (count($messages) > 0){ //Retrieve User $qMessage = array_shift($messages); {... doctrine query for stored twitter handle ...} $message = new stdClass(); //Clear Message $message->qMessage = $qMessage; $this->logAction("Removing message form queue..."); $message->decoded = unserialize($qMessage->messagetext); $qManager->deleteMessage($qMessage); return $message; //Process User } $this->processUser($user); return null; //Warn User $this->sendWarning($user); array( } 'messageid' => $messageId, 'insertiontime' => $insertionTime, } catch (Exception $e) { 'expirationtime' => $expirationTime, $this->logAction("Exception found:" .$e->getMessage 'popreceipt' => $popReceipt, 'timenextvisible' => $timeNextVisible, } 'dequeuecount' => $dequeueCount, 'messagetext' => $messageText $this->logAction("Initiating sleep for next loop."); ); sleep(2); } Wednesday, May 25, 2011

93. while (true){ try{ $this->logAction("Checking for messages..."); FIRST COME, //Read Queue $qMessage = $qManager->getMessage(); //If no message, sleep for 3 seconds and try again FIRST SERVED if ($qMessage === null){ $this->logAction("No pending messages..."); sleep(3); continue; } //Retrieve User {... doctrine query for stored twitter handle ...} //Clear Message $this->logAction("Removing message form queue..."); $qManager->deleteMessage($qMessage); After 20 seconds, message goes //Process User back into Queue $this->processUser($user); //Warn User $this->sendWarning($user); } catch (Exception $e) { $this->logAction("Exception found:" .$e->getMessage } $this->logAction("Initiating sleep for next loop."); sleep(2); } Wednesday, May 25, 2011

94. GOING OUT THE WINDOW • See all changes: github.com/rdohms/Sample-Azure-App • Compare these branches: non-cloud-version x cloud-designed-version Wednesday, May 25, 2011

95. LOOKING BACK BEFORE CLOSING THE WINDOW • Found out what is the Cloud • Looked at reasons on why to choose the Cloud • We took a look at Windows Azure • Peaked at how it affects our code? Wednesday, May 25, 2011

96. FURTHER READING... PHP Development in the Cloud ISBN: 9780981034522 Pages: 172 Authors: Ivo Jansch and Vito Chin http://bit.ly/i9Awk0 Wednesday, May 25, 2011

97. GET STARTED, GET HELP • Get a free account: WindowsAzurePass.com • Talk to the Microsoft guys out in the Hall • Ask them about pricing options http://azurephp.com http://phpazure.codeplex.com/ http://azurephptools.codeplex.com/ http://www.ben-waine.co.uk/blog/php-azure http://marvelley.com/category/php/php-on-azure/ Wednesday, May 25, 2011

98. twitter.com/rdohms http://doh.ms Questions? rafael@doh.ms THANK YOU! Feedback is very important, please visit: joind.in/3417 Wednesday, May 25, 2011

Open a window, see the clouds - php|tek 2011

Open a window, see the clouds - php|tek 2011

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