On unicode data CSV exporter fails

Python CSV module is not supports unicode. Encoding added into CSV exporter.
Fixed config files definitions in manage_analytics.py

Closes-Bug: #1415026
Change-Id: I40ebc48e239c403f09ba7c18ba777e6216adf7cc

analytics/fuel_analytics/api/resources/utils/stats_to_csv.py

@@ -128,7 +128,10 @@ class StatsToCsv(object):
             return data
 
         for d in flatten_data:
-            writer.writerow(d)
+            app.logger.debug("Writing row %s", d)
+            encoded_d = [s.encode("utf-8") if isinstance(s, unicode) else s
+                         for s in d]
+            writer.writerow(encoded_d)
             yield read_and_flush()
         app.logger.debug("Saving flatten data as CSV is finished")
 

analytics/fuel_analytics/test/api/resources/utils/test_stats_to_csv.py

@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 #    Copyright 2015 Mirantis, Inc.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -204,6 +206,22 @@ class StatsToCsvExportTest(ElasticTest):
         for _ in reader:
             pass
 
+    def test_unicode_as_csv(self):
+        installations_num = 10
+        self.generate_data(installations_num=installations_num)
+        es_client = ElasticSearchClient()
+        structures = es_client.get_structures()
+
+        exporter = StatsToCsv()
+        structure_paths, cluster_paths, csv_paths = \
+            exporter.get_cluster_keys_paths()
+        flatten_clusters = exporter.get_flatten_clusters(structure_paths,
+                                                         cluster_paths,
+                                                         structures)
+        flatten_clusters = list(flatten_clusters)
+        flatten_clusters[1][0] = u'эюя'
+        list(exporter.flatten_data_as_csv(csv_paths, flatten_clusters))
+
     def test_export_clusters(self):
         installations_num = 100
         self.generate_data(installations_num=installations_num)

analytics/manage_analytics.py

@@ -22,8 +22,8 @@ from fuel_analytics.api.app import app
 
 def configure_app(mode=None):
     mode_map = {
-        'test': 'analytics.api.config.Testing',
-        'prod': 'analytics.api.config.Production'
+        'test': 'fuel_analytics.api.config.Testing',
+        'prod': 'fuel_analytics.api.config.Production'
     }
     app.config.from_object(mode_map.get(mode))
     app.config.from_envvar('ANALYTICS_SETTINGS', silent=True)