Set sslmode to prefer, otherwise it might fail with clusters that don't have the new certificate.

circle.yml

@@ -18,7 +18,7 @@ test:
     - nosetests --with-xunit --xunit-file=$CIRCLE_TEST_REPORTS/junit.xml --with-coverage --cover-package=redash tests/
 deployment:
   github_and_docker:
-    branch: master
+    branch: [master, /release.*/]
     commands:
       - make pack
       # Skipping uploads for now, until master is stable.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "redash-client",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "The frontend part of Redash.",
   "main": "index.js",
   "scripts": {

redash/__init__.py

@@ -18,7 +18,7 @@ from redash.query_runner import import_query_runners
 from redash.destinations import import_destinations
 
 
-__version__ = '2.0.0'
+__version__ = '2.0.1'
 
 
 def setup_logging():

redash/query_runner/files/redshift-ca-bundle.crt

@@ -0,0 +1,145 @@
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+-----BEGIN CERTIFICATE-----
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+-----BEGIN CERTIFICATE-----
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redash/query_runner/pg.py

@@ -1,3 +1,4 @@
+import os
 import json
 import logging
 import select
@@ -125,14 +126,19 @@ class PostgreSQL(BaseSQLQueryRunner):
 
         return schema.values()
 
-    def run_query(self, query, user):
+    def _get_connection(self):
         connection = psycopg2.connect(user=self.configuration.get('user'),
                                       password=self.configuration.get('password'),
                                       host=self.configuration.get('host'),
                                       port=self.configuration.get('port'),
                                       dbname=self.configuration.get('dbname'),
+                                      sslmode=self.configuration.get('sslmode'),
                                       async=True)
 
+        return connection
+
+    def run_query(self, query, user):
+        connection = self._get_connection()
         _wait(connection, timeout=10)
 
         cursor = connection.cursor()
@@ -172,8 +178,23 @@ class Redshift(PostgreSQL):
     def type(cls):
         return "redshift"
 
+    def _get_connection(self):
+        sslrootcert_path = os.path.join(os.path.dirname(__file__), './files/redshift-ca-bundle.crt')
+
+        connection = psycopg2.connect(user=self.configuration.get('user'),
+                                      password=self.configuration.get('password'),
+                                      host=self.configuration.get('host'),
+                                      port=self.configuration.get('port'),
+                                      dbname=self.configuration.get('dbname'),
+                                      sslmode='prefer',
+                                      sslrootcert=sslrootcert_path,
+                                      async=True)
+
+        return connection
+
     @classmethod
     def configuration_schema(cls):
+
         return {
             "type": "object",
             "properties": {
@@ -194,6 +215,7 @@ class Redshift(PostgreSQL):
                     "title": "Database Name"
                 }
             },
+            "order": ['host', 'port', 'user', 'password'],
             "required": ["dbname", "user", "password", "host", "port"],
             "secret": ["password"]
         }