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# Changelog for v1.7.0
This guide lists the most conspicuous change features for this release, and hopefully provides help for developers to
achieve backwards compatibility.
## Integration with Guzzle HTTP component
This guide cannot give a complete overview of Guzzle HTTP's awesomeness, but here some highlights:
- Uploading files is now __much quicker__
- Parallel requests using multi-cURL, which means files can be uploaded concurrently
- Files over 5GB are fragmented and uploaded using multibyte chunking
- URLs are now treated as fully fledged objects (`Guzzle\Http\Url`), allowing for greater functionality
- Requests that send content now have the benefit of using the `Guzzle\Http\EntityBody` object, which extends and builds on the
native functionality offered by PHP streams. Now there is a cool abstraction layer that offers a lot of consistency
- Progress functionality (either by dedicated methods or by anonymous functions)
- Event dispatching so all of your objects now have access to, and can also modify, the HTTP workflow. See Symfony's [Event Dispatcher Component](http://symfony.com/doc/current/components/event_dispatcher/introduction.html) for more info.
For a complete list of features, [view the official page](http://guzzlephp.org).
## Keypair support
Although code now exists in the SDK for API compatibility for creating servers with keypairs, there has been
a recent bug in Nova where certain endpoints (DFW, IAD and ORD) do not exhibit the desired functionality. A patch will
be released in the near future. For reference, you just need to add in an extra array key:
```php
try {
$server->create(array(
'name' => 'test',
'image' => $image,
'flavor' => $flavor,
'networks' => array(
$service->network(RAX_PUBLIC),
$service->network(RAX_PRIVATE)
),
'OS-DCF:diskConfig' => 'AUTO',
'keypair' => array(
'name' => 'id_rsa.pub',
'publicKey' => file_get_contents('/path/to/local/key')
)
));
} catch (\Guzzle\Http\Exception\ClientErrorResponseException $e) {
var_dump($e->getResponse());
}
```
## Better handling of services
- Endpoints, the Service Catalog, and Catalog Items are now treated as objects
- Factory methods in the core OpenStack client have been renamed for greater clarity
- Services are now constructed with a ServiceBuilder for efficiency
- Namespace changes to all resource models for greater consistency
## Major upgrade of CloudFiles
- _Near_ 100% API consistency for Cloud Files
- Complete documentation, both technical and non-technical, for all functionality
- Better handling of resource objects: `Account`, `Container`, `CDNContainer`, `DataObject`
- The ability to upload files in 3 different ways (each one has a different use case):
- Sequential uploads for simple files
- Parallel batched uploads for multiple files
- An `OpenCloud\ObjectStore\Upload\TransferBuilder` factory for handling large uploads (+5GB) that require chunking
- Conditional requests for getting objects (`If-Match`, `If-None-Match`, `If-Modified-Since` and `If-Unmodified-Since`).
`Range` is also now supported for partial content returns.
- Bulk extract and bulk delete now better supported
## Unit test structure overhaul
- Completely refactored unit tests
- All unit tests now inherit from one centralized test case
- Use of singletons for client object re-use
- New implementation of mock responses
- Request capturing using Event dispatchers
## Other changes
- Refactoring of Autoscale/Monitoring to keep things DRY
- New docblock for every file with up-to-date license
- Fix to logging output functionality
- Fixes to server metadata
- Minor changes to Metadata
- Core change to method/property overloading. For every private model property, the end-user now has access to a
dynamic getter/setter methods that ensure better encapsulation. For finer-grained control, they can specify concrete
methods which supercede the magic methods. I want to get into the habit of encouraging filtered access through methods
rather than raw property access.