class Newrelic::Metrics
Public Class Methods
new(license_key)
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# File lib/scaltainer/newrelic/metrics.rb, line 3 def initialize(license_key) @headers = {"X-Api-Key" => license_key} @base_url = "https://api.newrelic.com/v2" end
Public Instance Methods
get_avg_response_time(app_id, from, to)
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docs.newrelic.com/docs/apis/rest-api-v2/application-examples-v2/average-response-time-examples-v2
# File lib/scaltainer/newrelic/metrics.rb, line 9 def get_avg_response_time(app_id, from, to) url = "#{@base_url}/applications/#{app_id}/metrics/data.json" conn = Excon.new(url, persistent: true, tcp_nodelay: true) time_range = "from=#{from.iso8601}&to=#{to.iso8601}" metric_names_array = %w( names[]=HttpDispatcher&values[]=average_call_time&values[]=call_count names[]=WebFrontend/QueueTime&values[]=call_count&values[]=average_response_time ) response_array = request(conn, metric_names_array, time_range) http_call_count, http_average_call_time = response_array[0]["call_count"], response_array[0]["average_call_time"] webfe_call_count, webfe_average_response_time = response_array[1]["call_count"], response_array[1]["average_response_time"] http_average_call_time + (1.0 * webfe_call_count * webfe_average_response_time / http_call_count) rescue 0.0/0 end
Private Instance Methods
request(conn, metric_names_array, time_range)
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# File lib/scaltainer/newrelic/metrics.rb, line 26 def request(conn, metric_names_array, time_range) requests = metric_names_array.map {|metric_names| { method: :get, headers: @headers, query: "#{metric_names}&#{time_range}&summarize=true" } } responses = conn.requests requests responses.map {|response| body = JSON.parse(response.body) if body["error"] && body["error"]["title"] raise body["error"]["title"] else body["metric_data"]["metrics"][0]["timeslices"][0]["values"] rescue {} end } end