Class: Ogle::Image

Inherits:
Object
  • Object
show all
Defined in:
lib/ogle/image.rb

Instance Method Summary collapse

Constructor Details

#initialize(connection) ⇒ Image

Returns a new instance of Image.



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# File 'lib/ogle/image.rb', line 36

def initialize connection
  @connection = connection
end

Instance Method Details

#all(details = false) ⇒ Object

Returns information about images.

details: A Boolean toggling the returning of detailed image information.



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# File 'lib/ogle/image.rb', line 46

def all details = false
  path = details ? "/v1/images/detail" : "/v1/images"

  response = @connection.get path
  response.body['images'].collect do |r|
    ImageData.new r
  end
end

#create(name, file, metadata) ⇒ Object

Upload (create) a new image.

name: The name of the file in glance (x-image-meta-name). file: The file to upload. metadata: A hash of custom defined metadata to be added to the image (x-image-meta-properties-*).



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# File 'lib/ogle/image.rb', line 108

def create name, file, metadata
  response = @connection.post "/v1/images", :upload => {
    :file => file, :headers => { "x-image-meta-name" => name }.merge(metadata)
  }

  ImageData.new response.body['image']
end

#destroy(image_id) ⇒ Object

Delete an image.

image_id: A String representing an image_id.



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# File 'lib/ogle/image.rb', line 95

def destroy image_id
  response = @connection.delete "/v1/images/#{image_id}"

  Struct::ImageDestroy.new response.code == "200"
end

#find(image_id) ⇒ Object

Returns information about the given ‘image_id’.

image_id: A String representing an image_id.



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# File 'lib/ogle/image.rb', line 60

def find image_id
  response = @connection.head "/v1/images/#{image_id}"

  ImageData.new(
    Hash.new.tap do |h|
      properties = h['properties'] = Hash.new
      response.each_header do |k, v|
        case k.downcase.tr '-', '_'
          when %r{^x_image_meta_property_([a-z_]+)$}
            properties[$1] = v
          when %r{^x_image_meta_([a-z_]+)$}
            h[$1] = v
        end
      end
    end
  )
end

#runable(details = false) ⇒ Object

Return only runable images.

details: A Boolean toggling the returning of detailed image information.



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# File 'lib/ogle/image.rb', line 84

def runable details = false
  all(details).select do |image|
    runable? image
  end
end

#update(image_id, metadata) ⇒ Object

Update the metadata for an image

image_id: A string representing an image_id. metadata: A hash of custom defined metadata to updated in the image.



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# File 'lib/ogle/image.rb', line 122

def update image_id, metadata
  response = @connection.put "/v1/images/#{image_id}", :headers => metadata

  ImageData.new response.body['image']
end