API-2079 Add StatsD histogram metric type for tracking SMS content le…

…ngth. (#182)

notifications_utils/clients/statsd/statsd_client.py

@@ -48,6 +48,16 @@ def gauge(self, stat, count):
         if self.active:
             self.statsd_client.gauge(self.format_stat_name(stat), count)
 
+    def histogram(self, stat, value, rate=1):
+        """This is a DataDog specific method, which sends a histogram value to statsd. A statsd packet
+        is a packet with this format - <metric_name>:<value>|<type>|@<sample_rate>.
+        For a histogram, the metric type is 'h'.
+
+        reference: https://github.com/DataDog/datadogpy/blob/master/datadog/dogstatsd/base.py#L950
+        """
+        if self.active:
+            self.statsd_client._send_stat(self.format_stat_name(stat), '%s|h' % value, rate)
+
     def timing(self, stat, delta, rate=1):
         if self.active:
             self.statsd_client.timing(self.format_stat_name(stat), delta, rate)

notifications_utils/version.py

@@ -1 +1 @@
-__version__ = '2.2.3'
+__version__ = '2.2.4'