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DFW Amazon WS Dev Garage Cloud Computing, Web services, etc.

DFW Amazon WS Dev Garage Cloud Computing, Web services, etc. Hosted Raymond Gao Saturday, August 1 st , 2009. Agenda of the Day. 9 – 9:30 A.M. Introduction 9:30 – 10:15 A.M. Setting up the Environment 10:15 – 10:30 Break 10:30 – 11:30 Emergsoft Presentation

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DFW Amazon WS Dev Garage Cloud Computing, Web services, etc.

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  1. DFW Amazon WS Dev GarageCloud Computing, Web services, etc. Hosted Raymond Gao Saturday, August 1st, 2009

  2. Agenda of the Day 9 – 9:30 A.M. Introduction 9:30 – 10:15 A.M. Setting up the Environment 10:15 – 10:30 Break 10:30 – 11:30 Emergsoft Presentation 11:30 – Noon Miscellaneous Discussion Noon – 1:30 P.M. Lunch Break 1:30 – 4:00 Lab, Networking, Idea Exchange

  3. Infrastructure Discussion

  4. Personal Impetus ? • I want to develop a Facebook Application • Can’t forecast usage curve • Need a Static IP address • Other Constraints • Save money • Easy to setup and immediate availability • Curiosity

  5. Cloud Computing Providers • Amazon EC2 – Classic Approach • Google App Engine – Developer Approach • Microsoft Azure – Microsoft Stack Approach • Rackspace Cloud – Classic Approach • Heroku – Ruby on Rails only Approach • Zembly.com – Social Programming Approach • RightScale –Virtual Machine Configuration and Deployment

  6. Amazon Cloud Computing • VM Images based approach • Linux: Fedora, Ubuntu, Solaris, SUSE, Centos, … • Microsoft Windows • Allows customizations of VM Images • Easy to start, and nice Management Console • Proven technology for production sites • Requires system administration knowledge, e.g. • Opening firewall ports • Support mainly through Message Forum, paid telephone support plan is available • Instance Types - http://aws.amazon.com/ec2/instance-types/

  7. Google App Engine • Basic usage is free,- limited to 1 GB storage and data transfer & 6.5 CPU hr, Over the quota costs money • Only supports Python and Java Programming Languages, no Ruby or C# • Must learn Google App Engine API and GQL (Google Query Language) • Was down for six hours straight several weeks ago • Fairly basic administrative features

  8. Microsoft Azure • Pure Microsoft technology stack • Windows Azure OS, SQL Server, Live, .Net, SharePoint • Will available at the of 2009 • Supports only Visual Studio 2008, (limited PHP supported through 3rd party libraries) • Does not support Linux, or Mac

  9. Rackspace Cloud • Similar to the Amazon Cloud Offering • Has some cheaper options for tiny VMs, e.g. • 1.5 cents/hour for 256 Meg machine (which is pretty useless) • More expensive for the large instances • Based in San Antonio, with 24x7 paid telephone support

  10. Heroku • Ruby On Rails only application hosting provider • Has a proprietary way of deploying applications into Heroku grid with Git (source code control system) • No need of system administration knowledge, e.g. maintaining patches and applying updates. • Unique pricing (4 dynos = 1 CPU), more expansive than Amazon EC2 (paying for system admin)

  11. Zembly • Social Application Development • Turns application modules into widgets • Allows people to share widgets • Has several templates for creating cookie-cutter Facebook applications (great for building simple applications) • Owned by Sun Microsystem, Inc. • Six month free for Pro account during Beta

  12. Amazon Offerings • Infrastructure Technologies • Application Technologies • Payment Technologies • Merchant Technologies

  13. Amazon Technologies

  14. Amazon Infrastructure Offerings • Elastic Computing Cloud (EC2) – Computation-on-demand • Simple DB (Alternative to maintaining a database, …) • Simple Storage Service (S3) – External attached storage • Cloud Front – Similar to Akamai, put data center near the geography • Simple Queue Service (SQS) – Messaging Bus • Elastic MapReduce – Work Flow Management Tool, schedule job flow between different servers

  15. Amazon Application Technologies • Using Amazon as a source of content and a catalog • Product Advertising API – Search Against Amazon listings, wishing list, etc. Uses Web Services • Payment & Billing System • DevPay – Using Amazon as a billing system for subscriptions. • Flexible Payment System – Amazon’s alternative to Paypal, for transfering fund between two or more parties.

  16. Other Amazon Offerings • Mechanical Turk – Ad Hoc Human labors • Alexa Web Information Service – alternative to Google Analytics, returns website load, ranking, traffic analysis, visitor statistics, etc. • Fulfillment Services (Merchant Services) – Use Amazon Fulfillment Center to ship, store, and track item and deliveries

  17. Setting up Amazon Web Services Account • Pre-requisites • SSH client – Putty.exe on Windows, built-in in Mac and Linux • To-do • Access Key • Secret Key • X.509 Certificate • Private Key • Public Key

  18. Account Page

  19. Getting AWS Access Identifiers • Access Key • Secret Key • X.509 Certificate files (Self-signed) • Public • Private

  20. Amazon WS Management Console • Allows • Start / Stop / Pause a VM instance • Manage Firewall ports • Add S3 storage • Take snapshot of volumes & VMs • Create Security Group and Key Pair (Amazon use secure key to manage access to VM via SSH), This is different from X509 keys. • Control Job Flow between VMs • CloudFront Services (pushing data to the edge of network)

  21. Developing App that connects to Amazon

  22. Benefits of Connecting to Amazon • Get Product information: • Images • Product details • Reviews • Editorials • Search by UPC, Title, Keyword, etc. • Make money from referring to Amazon Products • Retrieve Items from Wish list, etc.

  23. Details • Classic Web Services Approach • WSDL based lookup (Request/Response) • Available for Following Countries • Canada • France • Germany • Japan • UK • USA

  24. Visual View of the PAAPI • Developer’s Documentation: • http://docs.amazonwebservices.com/AWSECommerceService/2009-06-01/DG/ • Find an item - http://docs.amazonwebservices.com/AWSECommerceService/2009-06-01/DG/FindingItems.html • Item detail - http://docs.amazonwebservices.com/AWSECommerceService/2009-06-01/DG/FindingOutMoreAboutanItem.html • Seller Information - http://docs.amazonwebservices.com/AWSECommerceService/2009-06-01/DG/GettingSellerInformation.html • Shopping Cart - http://docs.amazonwebservices.com/AWSECommerceService/2009-06-01/DG/ImplementingaShoppingCart.html • Other Documentations • http://developer.amazonwebservices.com/connect/entry.jspa?externalID=2667&categoryID=19

  25. Available Categories

  26. Available Operations See: http://docs.amazonwebservices.com/AWSECommerceService/2009-06-01/DG/

  27. My Project – DVD Flex • Running as a Facebook Application • http://apps.facebook.com/dvdflex • Enter a UPC code find your friends DVD, share, exchange, export, or find a torrent • Technical Details • Ruby on Rails Application • Consumes Web Services and JSON • Running on Mongrel Cluster and Pound (moving to Passenger + Ngnix) • Source code on Git Hub • http://github.com/raygao/dvdflex/tree/master

  28. Screenshot of DVDFlex

  29. Setting Up your machine • Install • MySQL • Ruby & Rails 2.2.2 • Ruby Gems • MySQL • Ruby-AAWS • Facebooker • Facebooker Authentication • Tunnlr • Excel

  30. Get My Application • Install Git • Download My Application Source Code • http://github.com/raygao/dvdflex/tree/master • Configure the application • Facebooker.yml • Tunnlr.yml • Database.yml

  31. Deploying the Application • Install • Pound • Mongrel • Configure Pound & Mongrel • Create the ‘pound.conf’ file • Create the ‘mongrel_cluster.yml’ file

  32. Use EmergSoft Pre-requisites • Pre-requisites: • Mac • Language packages from Dev CD installed • Wget • MS Windows • Cygwin • Unzip, ruby, Python, Wget • Linux • It’s already included • See http://wiki.emergsoft.com/index.php/Special:Search?search=Prerequisites&go=Go

  33. Use EmergSoft Recipe to setup your Dev Env. • My Recipes • Install Rails • Install NetBeans 6.5 on Ubuntu • Create Facebook Application

  34. Using Ruby-AAWS to Search Against Amazon • Prerequisite: Ruby 1.8.7 • Installation: gem install ruby-aaws • API Documentation – http://www.caliban.org/ruby/ruby-aws/

  35. Create App Using NetBeans

  36. Amazon Product Advertising API • Each request needs: • AssociateTag – gives you credit for the sale through shopping cart • SubscriptionId / AWSAccessKeyId –key to use Amazon PAAPI • ContentType: text/xml, or text/html • Operation – ItemLookup, ItemSearch, … • Service – always AWSECommerceService • Version – Version of the API

  37. http://ecs.amazonaws.com/onca/xml?Service=AWSECommerceService&Version=2005-03-23&Operation=ItemLookup&SubscriptionId=1D5H84BYKDE3XKW4QSR2&AssociateTag=dvdflare4us-20&SearchIndex=DVD&ItemId=794043100918&IdType=UPC&ResponseGroup=Medium,Smallhttp://ecs.amazonaws.com/onca/xml?Service=AWSECommerceService&Version=2005-03-23&Operation=ItemLookup&SubscriptionId=1D5H84BYKDE3XKW4QSR2&AssociateTag=dvdflare4us-20&SearchIndex=DVD&ItemId=794043100918&IdType=UPC&ResponseGroup=Medium,Small

  38. How to Use Ruby-AAWS • Use ItemLookup as an example • Create Request with Your Amazon Key and Associate ID • Specify locale • Create ItemLookup Object, including type of search, index, and search parameter • Escape special characters • Perform the search • Extract the content • Be careful with null value. Ruby-AAWs throws Amazon::AWS::Error::AWSError exception, it is a null value.

  39. Contact me • Email:raygao@verizon.net • Blog:http://raysblog.are4.us

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