First cut at supporting string metrics

lib/hawkular/metrics/metric_api.rb

@@ -30,11 +30,12 @@ def fetch_version_and_status
     # @example push gauge and availability datapoints
     #    client.push_data(gauges: [{:id => "gauge1", :data => [{:value => 1}, {:value => 2}]}],
     #                           availabilities: [{:id => "avail1", :data => [{:value => "up"}]}])
-    def push_data(gauges: [], counters: [], availabilities: [])
+    def push_data(gauges: [], counters: [], availabilities: [], strings: [])
       gauges.each { |g| default_timestamp g[:data] }
       counters.each { |g| default_timestamp g[:data] }
       availabilities.each { |g| default_timestamp g[:data] }
-      data = { gauges: gauges, counters: counters, availabilities: availabilities }
+      strings.each { |g| default_timestamp g[:data] }
+      data = { gauges: gauges, counters: counters, availabilities: availabilities, strings: strings }
       path = '/metrics/'
       @legacy_api ? path << 'data' : path << 'raw'
       http_post(path, data)
@@ -257,6 +258,14 @@ def get_rate(id, starts: nil, ends: nil, bucket_duration: nil)
       end
     end
 
+    # Class that interacts with "string" metric types
+    class Strings < Metrics
+      # @param client [Client]
+      def initialize(client)
+        super(client, 'string', 'strings')
+      end
+    end
+
     # Class that interacts with "availability" metric types
     class Availability < Metrics
       # @param client [Client]

lib/hawkular/metrics/metrics_client.rb

@@ -25,6 +25,8 @@ class Client < Hawkular::BaseClient
     attr_reader :counters
     # @return [Gauges] access gauges API
     attr_reader :gauges
+    # @return [Strings] access strings API
+    attr_reader :strings
     # @return [Availability] access counters API
     attr_reader :avail
 
@@ -61,6 +63,7 @@ def initialize(entrypoint,
       @counters = Client::Counters.new self
       @gauges = Client::Gauges.new self
       @avail = Client::Availability.new self
+      @strings = Client::Strings.new self
     end
   end
 end