[incubator-superset] branch master updated: [druid] Catch IOError when fetching Druid datasource time boundary (#3897)

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maximebeauchemin pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-superset.git


The following commit(s) were added to refs/heads/master by this push:
     new 3a7ed8d  [druid] Catch IOError when fetching Druid datasource time boundary (#3897)
3a7ed8d is described below

commit 3a7ed8d19416979754bbdddb06ea54799c14f151
Author: John Bodley <45...@users.noreply.github.com>
AuthorDate: Fri Nov 17 20:20:47 2017 -0800

    [druid] Catch IOError when fetching Druid datasource time boundary (#3897)
---
 superset/connectors/druid/models.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/superset/connectors/druid/models.py b/superset/connectors/druid/models.py
index c91dc71..6bf39f2 100644
--- a/superset/connectors/druid/models.py
+++ b/superset/connectors/druid/models.py
@@ -564,11 +564,15 @@ class DruidDatasource(Model, BaseDatasource):
         """Returns segment metadata from the latest segment"""
         logging.info('Syncing datasource [{}]'.format(self.datasource_name))
         client = self.cluster.get_pydruid_client()
-        results = client.time_boundary(datasource=self.datasource_name)
-        if not results:
-            return
-        max_time = results[0]['result']['maxTime']
-        max_time = dparse(max_time)
+        try:
+            results = client.time_boundary(datasource=self.datasource_name)
+        except IOError:
+            results = None
+        if results:
+            max_time = results[0]['result']['maxTime']
+            max_time = dparse(max_time)
+        else:
+            max_time = datetime.now()
         # Query segmentMetadata for 7 days back. However, due to a bug,
         # we need to set this interval to more than 1 day ago to exclude
         # realtime segments, which triggered a bug (fixed in druid 0.8.2).

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