Add needed parameter (GoogleCloudPlatform#2236)

engelke · web-flow · commit 968c9925e560 · 2019-07-25T11:10:04.000-07:00
The tracer won't always send traces unless a sampler is specified. This one sends every trace.
diff --git a/trace/main.py b/trace/main.py
@@ -28,7 +28,10 @@ def initialize_tracer(project_id):
     exporter = stackdriver_exporter.StackdriverExporter(
         project_id=project_id
     )
-    tracer = opencensus.trace.tracer.Tracer(exporter=exporter)
+    tracer = opencensus.trace.tracer.Tracer(
+        exporter=exporter,
+        sampler=opencensus.trace.tracer.samplers.AlwaysOnSampler()
+    )
 
     return tracer
 # [END trace_setup_python_configure]
