Record and translate error tags.

Author: pglombardo

instana/recorder.py

@@ -93,6 +93,8 @@ def build_registered_span(self, span):
                     ts=int(round(span.start_time * 1000)),
                     d=int(round(span.duration * 1000)),
                     f=self.sensor.agent.from_,
+                    ec=self.get_tag(span, "ec"),
+                    error=self.get_tag(span, "error"),
                     data=data)
 
     def build_sdk_span(self, span):

instana/span.py

@@ -8,6 +8,7 @@ class InstanaSpan(object):
     n = None
     f = None
     ec = 0
+    error = False
     data = None
 
     def __init__(self, **kwds):