Code import

venv/lib/python2.7/site-packages/eventlet/zipkin/patcher.py

@@ -0,0 +1,41 @@
+from eventlet.zipkin import http
+from eventlet.zipkin import wsgi
+from eventlet.zipkin import greenthread
+from eventlet.zipkin import log
+from eventlet.zipkin import api
+from eventlet.zipkin.client import ZipkinClient
+
+
+def enable_trace_patch(host='127.0.0.1', port=9410,
+                       trace_app_log=False, sampling_rate=1.0):
+    """ Apply monkey patch to trace your WSGI application.
+
+    :param host: Scribe daemon IP address (default: '127.0.0.1')
+    :param port: Scribe daemon port (default: 9410)
+    :param trace_app_log: A Boolean indicating if the tracer will trace
+        application log together or not. This facility assume that
+        your application uses python standard logging library.
+        (default: False)
+    :param sampling_rate: A Float value (0.0~1.0) that indicates
+        the tracing frequency. If you specify 1.0, all request
+        are traced (and sent to Zipkin collecotr).
+        If you specify 0.1, only 1/10 requests are traced. (default: 1.0)
+    """
+    api.client = ZipkinClient(host, port)
+
+    # monkey patch for adding tracing facility
+    wsgi.patch(sampling_rate)
+    http.patch()
+    greenthread.patch()
+
+    # monkey patch for capturing application log
+    if trace_app_log:
+        log.patch()
+
+
+def disable_trace_patch():
+    http.unpatch()
+    wsgi.unpatch()
+    greenthread.unpatch()
+    log.unpatch()
+    api.client.close()