Bug 1125585 - Update datasource to fab643e0d5

To pick up the new require_host_type config option:
https://github.com/jeads/datasource/pull/22

Also includes:
https://github.com/jeads/datasource/pull/17

requirements/pure.txt

@@ -27,7 +27,7 @@ httplib2==0.7.4
 
 jsonfield==0.9.20
 
-git+git://github.com/jeads/datasource@143ac08d11
+git+git://github.com/jeads/datasource@fab643e0d5
 git+git://github.com/mozilla/treeherder-client@be6cb763dc
 git+git://github.com/Julian/jsonschema@1976689051
 

vendor/datasource/bases/RDBSHub.py

@@ -359,6 +359,8 @@ class RDBSHub(BaseHub):
             ####
             host_type = kwargs['host_type']
         elif not host_type:
+            if self.conf.get('require_host_type', False):
+                raise RDBSHubExecuteError("host_type is required, but none was specified")
             ##No host type in proc file or in kwargs, set default
             host_type = self.default_host_type
 

vendor/datasource/data_sources.json

@@ -16,6 +16,9 @@
                                  "user":"username",
                                  "passwd":"passwd" },
 
+                  # Optional. If set, host_type is mandatory.
+                  "require_host_type": false,
+
                   ##Not required, if set execute uses this db as a default##
                   "default_db": "test",
 

vendor/datasource/hubs/MySQL.py

@@ -52,7 +52,13 @@ class MySQL(SQLHub):
             self.try_to_connect(host_type, db)
 
         if db and db != self.connection[host_type]['db']:
-            self.connection[host_type]['con_obj'].select_db(db)
+            try:
+                self.connection[host_type]['con_obj'].select_db(db)
+            except OperationalError:
+                ##Connection is corrupt, reconnect.
+                ##Meant to deal with OperationalError 2006
+                ##MySQL server has gone away errors with Django 1.6
+                self.connect(host_type, db)
             self.connection[host_type]['db'] = db
     """
     Private Methods