print flow id in logs

Summary: helps debugging

Reviewed By: zhanghang1989

Differential Revision: D31806396

fbshipit-source-id: 870308990c4c0c71453d107628b8adcb9edcf391

d2go/setup.py

@@ -268,6 +268,9 @@ def log_info(cfg, runner):
             num_processes, comm.get_rank()
         )
     )
+    wf_id = os.getenv("WORKFLOW_RUN_ID", None)
+    if wf_id is not None:
+        logger.info("FBLearner Flow Run ID: {}".format(wf_id))
     logger.info("Environment info:\n" + collect_env_info())
     logger.info("Running with full config:\n{}".format(cfg))
     logger.info("Running with runner: {}".format(runner))