Adding sample code for creating a server and retrieving its IP address.

[ycombinator]

Adding a code sample showing how to create a server, wait for it to become ACTIVE and then retrieve its IP address, per @maxlinc's request.

[coveralls]

Coverage remained the same when pulling 2a693b3 on ycombinator:compute-samples into c9ace7c on rackspace:working.

[gecampbell]

There should be a helper function you can use to retrieve either the V4 or V6 IP address. ->ip(x) where x is either 4 or 6 (I think it defaults to 4). Possibly better than hitting the property directly, especially if Neutron is installed.

[maxlinc]

This is great, but what would be super-awesome for me is if examples are endpoint agnostic. That makes the sample portable - US/UK, staging environments, or with test servers like Pacto or Mimic.

My preferred way is to support the standard OpenStack variables used by OpenStack CLI tools and other programs. This little trick works:

// 1. Instantiate a Rackspace client.
$endpoint = getenv('OS_AUTH_URL') ? getenv('OS_AUTH_URL') : Rackspace::US_IDENTITY_ENDPOINT;
$client = new Rackspace($endpoint, array(
    'username' => getenv('RAX_USERNAME'),
    'apiKey'   => getenv('RAX_API_KEY')
));

It'd be great to use that in all samples - that small addition is all I need to automate testing of samples. Feel free to clean it up if there's a more readable option than the ternary operator... I was disappointed you can't pass a default value to getenv(...).

[ycombinator]

@maxlinc Our newer samples are now endpoint-agnostic. See any of the samples in https://github.com/ycombinator/php-opencloud/tree/orchestration/samples/Orchestration (part of PR #390). We just need to go back through older samples and update them.