Add uds_path to ddtrace.opentracer.Tracer (#1275)

Fixes #1274

Author: worldwise001

ddtrace/opentracer/settings.py

@@ -10,6 +10,7 @@
     'GLOBAL_TAGS',
     'SAMPLER',
     'PRIORITY_SAMPLING',
+    'UDS_PATH',
     'SETTINGS',
 ]
 
@@ -25,6 +26,7 @@
     GLOBAL_TAGS='global_tags',
     SAMPLER='sampler',
     PRIORITY_SAMPLING='priority_sampling',
+    UDS_PATH='uds_path',
     SETTINGS='settings',
 )
 

ddtrace/opentracer/tracer.py

@@ -27,6 +27,7 @@
     keys.GLOBAL_TAGS: {},
     keys.SAMPLER: None,
     keys.PRIORITY_SAMPLING: None,
+    keys.UDS_PATH: None,
     keys.SETTINGS: {
         FILTERS_KEY: [],
     },
@@ -89,6 +90,7 @@ def __init__(self, service_name=None, config=None, scope_manager=None, dd_tracer
                                   sampler=self._config.get(keys.SAMPLER),
                                   settings=self._config.get(keys.SETTINGS),
                                   priority_sampling=self._config.get(keys.PRIORITY_SAMPLING),
+                                  uds_path=self._config.get(keys.UDS_PATH),
                                   context_provider=dd_context_provider,
                                   )
         self._propagators = {

docs/advanced_usage.rst

@@ -451,6 +451,8 @@ for usage.
 +---------------------+----------------------------------------+---------------+
 | `priority_sampling` | see `Priority Sampling`_               | `True`        |
 +---------------------+----------------------------------------+---------------+
+| `uds_path`          | unix socket of agent to connect to     | `None`        |
++---------------------+----------------------------------------+---------------+
 | `settings`          | see `Advanced Usage`_                  | `{}`          |
 +---------------------+----------------------------------------+---------------+