Class: Librato::Metrics::Connection
- Inherits:
-
Object
- Object
- Librato::Metrics::Connection
- Extended by:
- Forwardable
- Defined in:
- lib/librato/metrics/connection.rb
Constant Summary collapse
- DEFAULT_API_ENDPOINT =
'https://metrics-api.librato.com'
Instance Method Summary collapse
-
#api_endpoint ⇒ Object
API endpoint that will be used for requests.
-
#initialize(options = {}) ⇒ Connection
constructor
A new instance of Connection.
- #transport ⇒ Object
-
#user_agent ⇒ Object
User-agent used when making requests.
Constructor Details
#initialize(options = {}) ⇒ Connection
Returns a new instance of Connection.
17 18 19 20 |
# File 'lib/librato/metrics/connection.rb', line 17 def initialize(={}) @client = [:client] @api_endpoint = [:api_endpoint] end |
Instance Method Details
#api_endpoint ⇒ Object
API endpoint that will be used for requests.
24 25 26 |
# File 'lib/librato/metrics/connection.rb', line 24 def api_endpoint @api_endpoint || DEFAULT_API_ENDPOINT end |
#transport ⇒ Object
28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 |
# File 'lib/librato/metrics/connection.rb', line 28 def transport raise NoClientProvided unless @client @transport ||= Faraday::Connection.new(:url => api_endpoint + "/v1/") do |f| #f.use FaradayMiddleware::EncodeJson f.use Librato::Metrics::Middleware::Retry f.use Librato::Metrics::Middleware::CountRequests f.use Librato::Metrics::Middleware::ExpectsStatus #f.use FaradayMiddleware::ParseJson, :content_type => /\bjson$/ f.adapter Faraday.default_adapter end.tap do |transport| transport.headers[:user_agent] = user_agent transport.headers[:content_type] = 'application/json' transport.basic_auth @client.email, @client.api_key end end |
#user_agent ⇒ Object
User-agent used when making requests.
46 47 48 49 50 51 52 53 54 55 56 57 58 |
# File 'lib/librato/metrics/connection.rb', line 46 def user_agent ua_chunks = [] agent_identifier = @client.agent_identifier if agent_identifier && !agent_identifier.empty? ua_chunks << agent_identifier end ua_chunks << "librato-metrics/#{Metrics::VERSION}" ua_chunks << "(#{ruby_engine}; #{RUBY_VERSION}p#{RUBY_PATCHLEVEL}; #{RUBY_PLATFORM})" ua_chunks << "direct-faraday/#{Faraday::VERSION}" # TODO: include adapter information #ua_chunks << "(#{transport_adapter})" ua_chunks.join(' ') end |