Service-oriented design with Ruby and Rails

Service-oriented design with Ruby and Rails

The Complete Guide to Building Highly Scalable, Services-Based Rails Applications Ruby on Rails deployments are growing, and Rails is increasingly being adopted in larger environments. Today, Rails developers and architects need better ways to interface with legacy systems, move into the cloud, and...

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Detalles Bibliográficos
Otros Autores: Dix, Paul Author (author)
Formato: Libro electrónico
Idioma:Inglés
Publicado: [Place of publication not identified] Addison Wesley 2011
Edición:1st edition
Colección:Addison-Wesley professional Ruby series Service-oriented design with Ruby and Rails
Materias:
Ruby on rails (Electronic resource)
Web services > Design
Service-oriented architecture (Computer science)
Web sites
Electrical & Computer Engineering
Engineering & Applied Sciences
Telecommunications
Computer Science
Ver en Biblioteca Universitat Ramon Llull:https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009629219006719
Tabla de Contenidos:
  • Cover
  • Contents
  • Foreword
  • Preface
  • Acknowledgments
  • About the Author
  • 1 Implementing and Consuming Your First Service
  • What's a Service?
  • Service Requirements
  • The Ruby Tool Set
  • Sinatra
  • ActiveRecord
  • JSON
  • Typhoeus
  • Rspec
  • The User Service Implementation
  • Using GET
  • POSTing a User
  • PUTing a User
  • Deleting a User
  • Verifying a User
  • Implementing the Client Library
  • Finding a User
  • Creating a User
  • Updating a User
  • Destroying a User
  • Verifying a User
  • Putting It All Together
  • Conclusion
  • 2 An Introduction to Service-Oriented Design
  • Use of Service-Oriented Design in the Wild
  • Service-Oriented Design Versus Service-Oriented Architecture Versus RESTful-Oriented Architecture
  • Making the Case for Service-Oriented Design
  • Isolation
  • Robustness
  • Scalability
  • Agility
  • Interoperability
  • Reuse
  • Conclusion
  • 3 Case Study: Social Feed Reader
  • A Typical Rails Application
  • The Rails Social Feed Reader Application
  • Features
  • Current Setup
  • Converting to Services
  • Segmenting into Services
  • Breaking Up the Application into Services
  • Conclusion
  • 4 Service and API Design
  • Partitioning Functionality into Separate Services
  • Partitioning on Iteration Speed
  • Partitioning on Logical Function
  • Partitioning on Read/Write Frequencies
  • Partitioning on Join Frequency
  • Versioning Services
  • Including a Version in URIs
  • Using Accept Headers for Versioning
  • URIs and Interface Design
  • Successful Responses
  • HTTP Status Codes
  • HTTP Caching
  • Successful Response Bodies
  • Error Responses
  • HTTP Status Codes
  • Error Response Bodies
  • Handling Joins
  • Storing References
  • Joining at the Highest Level
  • Beware of Call Depth
  • API Complexity
  • Atomic APIs
  • Multi-Gets
  • Multiple Models
  • Conclusion
  • 5 Implementing Services
  • The Vote Service.
  • A Multi-Get Interface
  • The Vote Interface
  • API Design Guidelines
  • Models
  • Rails
  • Rails 2.3 Routes
  • Rails 3 Routes
  • The Rails Controller
  • Sinatra
  • Rack
  • Conclusion
  • 6 Connecting to Services
  • Blocking I/O, Threading, and Parallelism
  • Asynchronous I/O
  • Multi-threading
  • Typhoeus
  • Making Single Requests
  • Making Simultaneous Requests
  • Multi-threaded Requests
  • JRuby
  • Logging for Performance
  • Handling Error Conditions
  • Testing and Mocking Service Calls
  • Requests in Development Environments
  • Conclusion
  • 7 Developing Service Client Libraries
  • Packaging
  • Jeweler
  • Building and Deploying a Library
  • Parsing Logic
  • The JSON Gem
  • YAJL Ruby
  • Wrapping Parsed Results
  • ActiveModel
  • Validations
  • Serialization
  • Connection and Request Logic
  • Data Reads
  • Data Writes
  • Mocks, Stubs, and Tests
  • Conclusion
  • 8 Load Balancing and Caching
  • Latency and Throughput
  • Load Balancing
  • Load Balancing Algorithms
  • Implementing Load Balancing
  • Caching with Memcached
  • The Memcached Client and ActiveRecord
  • Time-Based Expiration
  • Manual Expiration
  • Generational Cache Keys
  • HTTP Caching
  • Expiration-Based Caching
  • Validation-Based Caching
  • Implementing HTTP Caching
  • Conclusion
  • 9 Parsing XML for Legacy Services
  • XML
  • REXML
  • Nokogiri
  • SOAP
  • Exploring Web Services with a WSDL File
  • Making Requests
  • Conclusion
  • 10 Security
  • Authentication
  • HTTP Authentication
  • Signing Requests
  • SSL for Authentication
  • Authentication for Rails Applications
  • Authorization
  • Firewalls
  • An RBAC Authorization Service
  • Encryption
  • SSL for Encryption
  • Public/Private Key Pairs for Encryption
  • Conclusion
  • 11 Messaging
  • What Is Messaging?
  • Synchronous Versus Asynchronous Messaging
  • Queues
  • Message Formats
  • RabbitMQ and AMQP
  • Queues in RabbitMQ.
  • Exchanges and Bindings
  • Durability and Persistence
  • Client Libraries
  • Synchronous Reads, Asynchronous Writes
  • HTTP-Based Reads
  • Messaging-Based Writes
  • The CAP Theorem
  • Eventual Consistency
  • Designing Around Consistency
  • Data Is the API
  • Operations on Fields
  • Modifications to Field Operations
  • Conclusion
  • 12 Web Hooks and External Services
  • Web Hooks
  • PubSubHubbub
  • Receiving Web Hooks
  • Providing Web Hooks
  • Strategies for Dealing with Failure
  • OAuth
  • Implementing an OAuth Consumer
  • Implementing an OAuth Provider
  • Integrating with External Services
  • Consuming Data
  • Pushing Data
  • The Request Lifecycle
  • Worker Processes
  • Ensuring Performance and Reliability
  • Segregating Queues
  • Metrics
  • Throttling and Quotas
  • Conclusion
  • Appendix RESTful Primer
  • Roy Fielding's REST
  • Constraints
  • Architectural Elements
  • Architectural Views
  • REST and Resources
  • URIs and Addressability
  • Representations
  • HTTP and the Uniform Interface
  • HTTP Methods
  • HTTP Headers
  • HTTP Status Codes
  • Conclusion
  • Index.

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