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fog--fog/lib/fog/rackspace/service.rb
Paul Thornthwaite 2e0b7e545a Standardise empty lines throughout codebase
Done with `rubocop --auto-correct --only EmptyLineBetweenDefs,EmptyLines,EmptyLinesAroundBody`
2014-05-26 14:20:02 +01:00

142 lines
3.9 KiB
Ruby

module Fog
module Rackspace
class Service
def service_name
raise Fog::Errors::NotImplemented.new("Please implement the #service_name method")
end
def region
raise Fog::Errors::NotImplemented.new("Please implement the #region method")
end
def endpoint_uri(service_endpoint=nil, endpoint_name=nil)
return @uri if @uri
url = service_endpoint
unless url
if v1_authentication?
raise "Service Endpoint must be specified via #{endpoint_name} parameter"
else
url = endpoint_uri_v2
end
end
@uri = URI.parse url
end
def authenticate(options={})
self.send authentication_method, options
end
def request_without_retry(params, parse_json = true)
response = @connection.request(request_params(params))
process_response(response) if parse_json
response
end
def request(params, parse_json = true)
first_attempt = true
begin
response = @connection.request(request_params(params))
rescue Excon::Errors::Unauthorized => error
raise error unless first_attempt
first_attempt = false
authenticate
retry
end
process_response(response) if parse_json
response
end
def service_net?
false
end
private
def process_response(response)
if response &&
response.body &&
response.body.is_a?(String) &&
!response.body.strip.empty? &&
Fog::Rackspace.json_response?(response)
begin
response.body = Fog::JSON.decode(response.body)
rescue Fog::JSON::DecodeError => e
Fog::Logger.warning("Error Parsing response json - #{e}")
response.body = {}
end
end
end
def headers(options={})
{ 'Content-Type' => 'application/json',
'Accept' => 'application/json',
'X-Auth-Token' => auth_token
}.merge(options[:headers] || {})
end
def request_params(params)
params.merge({
:headers => headers(params),
:path => "#{endpoint_uri.path}/#{params[:path]}"
})
end
def authentication_method
if v2_authentication?
:authenticate_v2
else
Fog::Logger.deprecation "Authentication using a v1.0/v1.1 endpoint is deprecated. Please specify a v2.0 endpoint using :rackspace_auth_url.\
For a list of v2.0 endpoints refer to http://docs.rackspace.com/auth/api/v2.0/auth-client-devguide/content/Endpoints-d1e180.html"
:authenticate_v1
end
end
def v1_authentication?
!v2_authentication?
end
def v2_authentication?
@rackspace_auth_url.nil? || @rackspace_auth_url =~ /v2(\.\d)?[\w\/]*$/
end
def authenticate_v2(identity_options)
hash = {
:rackspace_api_key => identity_options[:rackspace_api_key],
:rackspace_username => identity_options[:rackspace_username],
:rackspace_auth_url => identity_options[:rackspace_auth_url],
:connection_options => identity_options[:connection_options] || {}
}
@identity_service = Fog::Rackspace::Identity.new(hash)
@auth_token = @identity_service.auth_token
end
def authenticate_v1(options)
raise Fog::Errors::NotImplemented.new("Authentication of legacy endpoints is not implemented for this service.")
end
def endpoint_uri_v2
@uri = @identity_service.service_catalog.get_endpoint(service_name, region, service_net?)
end
def auth_token
@auth_token || @identity_service.auth_token
end
def select_options(keys)
return nil unless @options && keys
selected = {}
keys.each do |k|
selected[k] = @options[k]
end
selected
end
end
end
end