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Thin wrapper around the Wowza Cloud API
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 Dependencies

Development

~> 1.14
~> 10.0
~> 3.0

Runtime

 Project Readme

WowzaCloud

This gem is a dead-simple wrapper around the Wowza Streaming Cloud API. The quickest way to get started with this library would be to glance over the Wowza documentation, then come back here and take a look at some of the examples below.

As it stands right now, I've only implemented the endpoints that I have an active need for. That means that the feature of the API that you're looking for may not be here. If that's the case, you've got two options. First, you could try shooting me a message and asking me to build the feature in. If I've got time, I'll take care of it for you. Alternatively, I'm all for accepting pull requests, so feel free to add the feature for yourself.

Installation

Add this line to your application's Gemfile:

gem 'wowza_cloud'

And then execute:

$ bundle

Or install it yourself as:

$ gem install wowza_cloud

Usage

Configuration

Before you can use the Wowza Streaming Cloud API, you'll need to get an API key and an Access key from Wowza. You can do so through your account settings. Once you have them, you'll need to provide them to the gem, via a configuration block. For Rails users, your best bet is to create a wowza-cloud.rb file in your config/initializers/ directory, then place something like the below in it:

WowzaCloud.configure do |config|
  yaml_path         = `path/to_file/containing/credentials.yml`
  hsh               = YAML.load(File.read(yaml_path))
  config.api_key    = hsh['api_key']
  config.access_key = hsh['access_key']
end

For non-Rails users, some variation of the above called somewhere before you start using the gem should do.

Getting a list of streams

One of the more basic things you'll want to do is to get a list of all of your streams. Doing so is as simple as:

streams = WowzaCloud::Stream.all

The above will return an array of Wowza::Stream objects, which you can use to manipulate individual streams.

Fetching a single stream

If you have a specific stream you need to work with, you can pull it by itself, using it's ID:

stream = WowzaCloud::Stream.get_stream('vxy4nprl')

The above will return a single instance of Wowza::Stream that you can use to manipulate that particular stream.

Working with a Stream

The gem gives you a number of basic actions you can take for a particular stream.

Accessing basic attributes

All of the return values for a call to /live_streams/{id} are made available as attributes on the WowzaCloud::Stream object. So, for instance, if you want to get the broadcast location for a given stream, you can call:

stream.broadcast_location # => "us_west_california"

This will get you back the string value that corresponds to that attribute from the API. This works for all of the keys in the return JSON from the API call.

Checking Stream Status

You can get the status, (also called state), of a stream by calling the status method on a WowzaCloud::Stream instance:

stream = WowzaCloud::Stream.get_stream('vxy4nprl')
stream.status # => 'started'

The method above will return a string representing the status of the stream, Possible return states are: starting, stopping, started, stopped, and resetting.

Getting stream statistics

You can get a hash of stream-related statistics. This is important for monitoring and reporting purposes:

stream = WowzaCloud::Stream.get_stream('vxy4nprl')
stream.stats # => {...}

Starting, Stopping, and Resetting a Stream

You can manipulate the state of a stream with a few simple commands. Each of the commands below return a string representing the state of the stream after your call was made. For instance, if you were to stop a running stream, the return value of the call would be "stopping":

stream = WowzaCloud::Stream.get_stream('vxy4nprl')
# Start a stream
stream.start # => 'starting'
# Reset a stream
stream.reset # => 'resetting'
# Stop a stream 
stream.stop # => 'stopping' 

Working With Schedules

Once again, I'd encourage you to refer to the official Wowza API documentation for details about the schedule API. As of this writing, this gem only supports retrieving schedule details and enabling or disabling schedules. Editing, adding and removing are all unsupported at the moment, so you'll still have to do that through the Wowza Cloud interface.

In any case, you can retrieve and work with schedules in much the same way that you work with streams:

Getting a list of schedules

You can get a complete list of all your configured schedules like this:

schedules = WowzaCloud::Schedule.all

This will return an array of WowzaCloud::Schedule instances.

Accessing basic attributes

All of the return values for a call to /schedules/{id} are made available as attributes on the WowzaCloud::Schedule object. So, for instance, if you want to get the list of days the schedule runs for, you can call:

schedule.recurrence_data # => "sunday,monday,tuesday,wednesday,thursday,friday,saturday"

This will get you back the string value that corresponds to that attribute from the API. This works for all of the keys in the return JSON from the API call.

Fetching a single schedule

Once you have the ID of the schedule you'd like to retrieve, you can fetch it's data with the following:

schedule = WowzaCloud::Schedule.get_schedule('myscheduleid')

This will return an instance of WowzaCloud::Schedule that you can then work with as detailed below.

Enabling a schedule

You can enable a particular schedule by calling the enable method:

schedule.enable # => 'enabled'

The return value of the enable call is the current status of the stream, (should be "enabled").

Disabling a schedule

Conversely, if you want to disable a schedule:

schedule.disable # => 'disabled'

The return value is the same as for enabling -- the current status of the schedule.

Getting schedule status

If you want to know whether a schedule is enabled or disabled, you can find out by calling the status instance method:

schedule.status # => 'enabled'

Fetching corresponding streams and schedules

Instances of WowzaCloud::Stream have a convenience method schedule that will return nil if the Stream does not have an associated schedule, but an appropriate instance of WowzaCloud::Schedule if a schedule does exist.

Similarly, instances of WowzaCloud::Schedule have a convenience method stream, which will always return the appropriate instance of a WowzaCloud::Stream.

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/stlewis/wowza_cloud.

License

The gem is available as open source under the terms of the MIT License.