PHP and Platform Independence in the CloudByWil Sinclair – Cloud Zealot

What is the Cloud?And why can’t we all move on to the next big thing already?

One Definition

Another DefinitionFrom http://www.burtongroup.com

Yet Another Definition

My DefinitionCloud:Tools::Internet:Content

The Cloud is all around us.On your iPhone. Under your Facebook apps. All up in your twitter account.

The Cloud is the future.But, then again, you could say that about almost anything if you make its definition broad enough.

Select BenefitsElasticityScalabilityHigh AvailabilityResilienceLocation IndependenceDevelopment Best PracticesSecurity

CAPexOPexBig Win for Startups

But it sounds too good to be true.

Making the most of it.

Secret SauceDon’t just deploy your applications on the cloud, write them for the cloud.

Secret Sauce, cntd.Use best-fit cloud application services.

Cloud Application ServicesUnstructured StorageS3Azure Blob StorageRackspace Cloud Files

Cloud Application ServicesDocument StorageSimpleDBAzure Table StorageQuickbaseGoogle Datastore

Cloud Application ServicesSimple QueuesSQSAzure Queue StorageOnlineMQ

Future Cloud Application ServicesAuthentication and AuthorizationSession ManagementMessagingSchedulerSearchSpam/Virus DetectionAnalyticsAnd on. . .And on. . .

Applications written for the cloud are. . .More PerformantMore ScalableBetter DesignedMore SecureLess Expensive

. . .assuming you chose the right cloud provider.

Now You’re ScrewedEvery API is different! I’m locked in! My cloud provider is bending me over! The sky is falling!

Or are you?After all, there’s lots of commonality across cloud application services.

Yes, you are.All that commonality is hidden behind uninteresting differences.

Porting an AWS Application to AzureChange your signature algorithm‘buckets’ are now ‘containers’‘objects’ are now ‘blobs’SQS RESTish query API needs to be changed to the RESTful Azure Queue Storage APISimpleDB to Azure Table Storage? Good luck with that.

Moving Your Applications is HardAnd not for interesting reasons. :-/

Let's Open Up a Can of Standards on these APIs!

Let's Open Up a Can of Standards on these APIs!

Ummm. . .

Let’s not.

Open Source to the RescueIs there anything it can’t do?

Standards vs Open SourceBring a lot of minds together to think about a problemIntelligent designCan stifle innovationSloooooooooooowCan be abortive UnenforceableBrings a lot more minds together to think about a problemSurvival of the smartestEncourages innovationSlowCan be abortiveUnenforceable

Brings a lot more minds together to think about a problem

Survival of the smartest

Encourages innovation

Slow

Can be abortive

Unenforceable

The PHPilosophyStart with Something You Can ChangeWe can't change the server-side APIs, but we can change the client-side libraries.

The PHPilosophyBuild on What's Already There

The PHPilosophyWave the magic wand of abstraction. . .

The PHPilosophyUntil You Have Something That's Useful

The PHPilosophyDon’t Forget to Sharehttp://framework.zend.com

The PHPilosophyRepeat until you have something that's taken on a life of its own.

You knew it was coming. . .

Respect Due

Storage Serviceinterface Zend_Cloud_StorageService{ public function fetchItem($path, $options = null); public function storeItem($data, $destinationPath, $options = null); public function deleteItem($path, $options = null); public function copyItem($sourcePath, $destinationPath, $options = null); public function moveItem($sourcePath, $destinationPath, $options = null); public function fetchMetadata($path, $options = null); public function storeMetadata($metadata, $destinationPath, $options = null); public function deleteMetadata($path);}

Document Serviceinterface Zend_Cloud_DocumentService{ public function createCollection($name, $options = null); public function deleteCollection($name, $options = null); public function listCollections($options = null); public function listDocuments($options = null); public function insertDocument($document, $options = null); public function updateDocument($document, $options = null); public function deleteDocument($document, $options = null); public function query($query, $options = null);}

Queue Serviceinterface Zend_Cloud_QueueService{ public function createQueue($name, $options = null); public function deleteQueue($name, $options = null); public functionlistQueues($options = null); public function fetchQueueMetadata($name, $options = null); public function storeQueueMetadata($metadata, $name, $options = null); public function sendMessage($message, $queueName, $options = null); public function recieveMessages($queueName, $max = 1, $options = null); public function deleteMessage($id, $queueName, $options = null); public function peekMessage($id, $queueName, $options = null);}

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