Developer Experience with jclouds

Control the Clouds

Everett Toews

Developer Advocate

@everett_toews

You need:

JDK 1.6+

Ant 1.8+

Rackspace and/or

HP cloud accounts

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The Workshop bit.ly/jclwork

•Introduction to jclouds•Cloud Accounts•Terminology•Installation•Compute Example•Next Steps•Wrap Up

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Introduction to jclouds

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jclouds bit.ly/jclwork

• Cross-cloud toolkit

• Open Source (Apache v2)

• Community

• Portable APIs

• Provider APIs

• Java

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jclouds Providers bit.ly/jclwork

•ComputeService• Rackspace Cloud Servers

• HP Cloud Compute• AWS EC2• ElasticHosts• GoGrid• CloudSigma• All Providers

•BlobStore• Rackspace Cloud Files

• HP Cloud Storage• AWS S3• Azure• CloudOne• Ninefold• All Providers

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jclouds Community bit.ly/jclwork

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jclouds Community bit.ly/jclwork

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jclouds Layers (APIs) bit.ly/jclwork

•ComputeService• Rackspace• OpenStack• HP, AWS, etc.

•NovaApi (*Api)• Rackspace• OpenStack• HP

•BlobStore• Rackspace• OpenStack• HP, AWS, etc.

•SwiftApi• Rackspace• OpenStack• HP

•CloudFilesClient• Rackspace

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Cloud Accounts

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Rackspace bit.ly/jclwork

•BYOB?

•rackspace.com/cloud/public/•mycloud.rackspace.com•Note: Username, Password

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HP bit.ly/jclwork

•hpcloud.com/sign_up•console.hpcloud.com/compute•Activate AZ1 and AZ2•Top right > View API Keys•Note: Tenant Name, Username, Password

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Terminology

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Terminology bit.ly/jclwork

jclouds Rackspace/OpenStack

Compute Cloud Servers/Nova

Node Server

Location Region

Hardware Flavor

NodeMetadata Server details

User Metadata Metadata

BlobStore Cloud Files/Swift

Blob File/Object

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Installation

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Ant bit.ly/jclwork

•mkdir jclouds-workshop•cd jclouds-workshop•Create build.xml• gist.github.com/3861545

•ant

•Plan B: bit.ly/jcl152

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Compute Example

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JCloudsWorkshop.java bit.ly/jclwork•Logging

• Create logback.xml• gist.github.com/3862553• Full logback.xml example

• Imports and Class definition• Create JCloudsWorkshop.java• gist.github.com/3861596• javac -cp ".:lib/*" JCloudsWorkshop.java• Note: Guice, Guava

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JCloudsWorkshop.java bit.ly/jclwork•main() and skeleton

• gist.github.com/3862453• javac -cp ".:lib/*" JCloudsWorkshop.java

• init()• gist.github.com/3862575• javac -cp ".:lib/*" JCloudsWorkshop.java• Note: Authentication

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JCloudsWorkshop.java bit.ly/jclwork•createNodes()

• gist.github.com/3862480• javac -cp ".:lib/*" JCloudsWorkshop.java

•configureAndStartWebservers()• gist.github.com/3862485• javac -cp ".:lib/*" JCloudsWorkshop.java• Note: Patterns

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JCloudsWorkshop.java bit.ly/jclwork•waitForSsh()

• gist.github.com/3862516• javac -cp ".:lib/*" JCloudsWorkshop.java

•printResults()• gist.github.com/3862499• javac -cp ".:lib/*" JCloudsWorkshop.java

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JCloudsWorkshop.java bit.ly/jclwork•detectExtensions()

• gist.github.com/3867123• javac -cp ".:lib/*" JCloudsWorkshop.java

•close()• gist.github.com/3862504• javac -cp ".:lib/*" JCloudsWorkshop.java

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JCloudsWorkshop.java bit.ly/jclwork•Run!

• java -cp ".:lib/*" JCloudsWorkshop

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Other Topics bit.ly/jclwork

•ServerApi/ServerAsyncApi•Concurrency•CLI•Jenkins

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Next Steps

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Next Steps bit.ly/jclwork

•Load Balancing•More examples (BlobStore too)•Modify the examples•jclouds doc and Javadoc•Other installation methods•Join jclouds or jclouds-dev•jclouds and OpenStack•Contributing OpenStack Support to jclouds

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And don’t forget to terminate your VMs

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Thanks! bit.ly/jclwork

•Everett Toews•Developer Advocate @ Rackspace

•everett.toews@rackspace.com•developer.rackspace.com/support•linkedin.com/in/everetttoews•github.com/everett-toews•blog.phymata.com•@everett_toews