Add OpenTracing example

Author: pglombardo

example/opentracing.py

@@ -0,0 +1,31 @@
+# encoding=utf-8
+import opentracing
+import instana
+import time
+
+# Loop continuously with a 2 second sleep to generate traces
+while True:
+    entry_span = opentracing.tracer.start_span('universe')
+
+    entry_span.set_tag('http.method', 'GET')
+    entry_span.set_tag('http.url', '/users')
+    entry_span.set_tag('span.kind', 'entry')
+
+    intermediate_span = opentracing.tracer.start_span('nebula', child_of=entry_span)
+    intermediate_span.finish()
+
+    db_span = opentracing.tracer.start_span('black-hole', child_of=entry_span)
+    db_span.set_tag('db.instance', 'users')
+    db_span.set_tag('db.statement', 'SELECT * FROM user_table')
+    db_span.set_tag('db.type', 'mysql')
+    db_span.set_tag('db.user', 'mysql_login')
+    db_span.set_tag('span.kind', 'exit')
+    db_span.finish()
+
+    intermediate_span = opentracing.tracer.start_span('space-dust', child_of=entry_span)
+    intermediate_span.log_kv({'message': 'All seems ok'})
+    intermediate_span.finish()
+
+    entry_span.set_tag('http.status_code', 200)
+    entry_span.finish()
+    time.sleep(2)