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Ruby developers: attend this session and learn about the next major version of the AWS SDK for Ruby, the aws-core gem. We dive deep into the SDK, covering topics such as waiters, request enumeration and pagination, resource modeling, version locking, and more. Learn how to take advantage of these features as we construct a sample Ruby application using the AWS SDK.
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© 2013 Amazon.com, Inc. and its affiliates. All rights reserved. May not be copied, modified, or distributed in whole or in part without the express consent of Amazon.com, Inc.
Trevor Rowe & Loren Segal
November 13, 2013
Diving Into the New AWS SDK for Ruby
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Friday, November 15, 13
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Goals
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GoalsIntroduce Core
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GoalsIntroduce CoreHands on Experience
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GoalsIntroduce CoreHands on ExperienceExtending the SDK
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GoalsIntroduce CoreHands on ExperienceExtending the SDKContributing
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gem install aws-sdk
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2.0Friday, November 15, 13
Why Version 2.0?
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Why Version 2.0?
Validation
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Why Version 2.0?
ValidationStructured Responses
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Why Version 2.0?
ValidationStructured ResponsesBetter Documentation
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Why Version 2.0?
ValidationStructured ResponsesBetter DocumentationExtensibility
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Why Version 2.0?
ValidationStructured ResponsesBetter DocumentationExtensibilityConsistency
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gem install aws-sdk-core
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Friday, November 15, 13
aws-sdk
Version 1
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aws-sdk
Version 1 Version 2
aws-sdk-core
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aws-sdk
Version 1 Version 2
aws-sdk-core
work-in-progress
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CodeFriday, November 15, 13
Key Differences
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Key Differences
New Namespace
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Key Differences
New NamespaceMemoization Everywhere
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Key Differences
New NamespaceMemoization EverywhereRuby 1.9+
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Key Differences
New NamespaceMemoization EverywhereRuby 1.9+Flexible Dependencies
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Key Differences
New NamespaceMemoization EverywhereRuby 1.9+Flexible DependenciesStructured Responses
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What’s Coming?
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What’s Coming?
Resources
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What’s Coming?
ResourcesEnumeration
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What’s Coming?
ResourcesEnumerationPagination
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What’s Coming?
ResourcesEnumerationPaginationHelpers
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What’s Coming?
ResourcesEnumerationPaginationHelpersService Gems
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Developer Preview
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Developer PreviewPublic
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Developer PreviewPublicFeedback
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Developer PreviewPublicFeedbackStability
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ExtendingThe SDK
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Friday, November 15, 13
Request Response
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Request Response
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Request Response
Validate
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Request Response
Validate
Serialize
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Request Response
Validate
Serialize
Send
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Request Response
Validate
Serialize
Send
Parse
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Request Response
Validate
Serialize
Send
Parse
Middleware
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Request Response
Validate
Serialize
Send
Parse
Middleware
Application
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Writing Plugins* The entire SDK is written as a series of plugins
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Writing PluginsIdeas:
* The entire SDK is written as a series of plugins
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Writing PluginsIdeas:
Data Integrity Checks
* The entire SDK is written as a series of plugins
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Writing PluginsIdeas:
Data Integrity ChecksExtended Retry Logic
* The entire SDK is written as a series of plugins
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Writing PluginsIdeas:
Data Integrity ChecksExtended Retry LogicDefault Values
* The entire SDK is written as a series of plugins
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Writing PluginsIdeas:
Data Integrity ChecksExtended Retry LogicDefault ValuesCross Service Hooks
* The entire SDK is written as a series of plugins
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Plugins, Handlers and Context, Oh My!
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Plugins, Handlers and Context, Oh My!
Plugin
Configuration
Handlers
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Plugins, Handlers and Context, Oh My!
Plugin
Configuration
Handlers
Configuration
Options
Defaults
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Plugins, Handlers and Context, Oh My!
Plugin
Configuration
Handlers
Configuration
Options
Defaults
Handlers
#call method
Build request
Parse response
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Plugin• provides a DSL• easy to add/remove
Handler• stacked• similar to rack middleware
Context• operation name• configuration• request parameters• http request• http response• response data• response error
Plugins, Handlers and Context, Oh My!
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Plugin• provides a DSL• easy to add/remove
Handler• stacked• similar to rack middleware
Context• operation name• configuration• request parameters• http request• http response• response data• response error
Plugins, Handlers and Context, Oh My!
Let’s Build Something!
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Best Practices• Depend on major versions of the SDK
• gem “aws-‐sdk-‐core”, “~> 2.0”
• API Locking• Lock your clients to a specific API version• Aws::DynamoDB.new(api_version: ‘2012-‐08-‐10’)
• Secure Credential Management• Rotate credentials
• Use IAM roles for EC2 instances when possible• ENV variables (Heroku, etc.)• From a file on disk (outside source control)• Never check your credentials into source control!
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Contributing
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Open Source
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Open Source
GitHub issues
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Open Source
GitHub issuesPull Requests
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Open Source
GitHub issuesPull RequestsTest Coverage
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Open Source
GitHub issuesPull RequestsTest CoverageDocs/Guides
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Open Source
GitHub issuesPull RequestsTest CoverageDocs/GuidesSamples
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Open Source
GitHub issuesPull RequestsTest CoverageDocs/GuidesSamples3rd Party Gems
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Links of Interest
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https://github.com/aws/aws-sdk-core-ruby
Links of Interest
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http://ruby.awsblog.com/
https://github.com/aws/aws-sdk-core-ruby
Links of Interest
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http://ruby.awsblog.com/
https://github.com/aws/aws-sdk-core-ruby
https://forums.aws.amazon.com/forum.jspa?forumID=125
Links of Interest
Friday, November 15, 13
http://ruby.awsblog.com/
https://github.com/aws/aws-sdk-core-ruby
https://forums.aws.amazon.com/forum.jspa?forumID=125
Links of Interest
@awsforruby
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Please give us your feedback on this presentation
As a thank you, we will select prize winners daily for completed surveys!
TLS305 Thank You
Friday, November 15, 13
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