Make the https:// optional

CHANGELOG.md

@@ -7,11 +7,12 @@
 ### Under the hood
 
 - Parse information returned by `list_relations_without_caching` macro to speed up catalog generation ([#93](https://github.com/fishtown-analytics/dbt-spark/issues/93), [#160](https://github.com/fishtown-analytics/dbt-spark/pull/160))
+- More flexible host passing, https:// can be omitted ([#153](https://github.com/fishtown-analytics/dbt-spark/issues/153))
 
 ### Contributors
 - [@friendofasquid](https://github.com/friendofasquid) ([#159](https://github.com/fishtown-analytics/dbt-spark/pull/159))
 - [@franloza](https://github.com/franloza) ([#160](https://github.com/fishtown-analytics/dbt-spark/pull/160))
-
+- [@Fokko](https://github.com/Fokko) ([#165](https://github.com/fishtown-analytics/dbt-spark/pull/165))
 
 ## dbt-spark 0.19.1 (Release TBD)
 

dbt/adapters/spark/connections.py

@@ -254,7 +254,7 @@ class SparkConnectionManager(SQLConnectionManager):
     SPARK_CLUSTER_HTTP_PATH = "/sql/protocolv1/o/{organization}/{cluster}"
     SPARK_SQL_ENDPOINT_HTTP_PATH = "/sql/1.0/endpoints/{endpoint}"
     SPARK_CONNECTION_URL = (
-        "https://{host}:{port}" + SPARK_CLUSTER_HTTP_PATH
+        "{host}:{port}" + SPARK_CLUSTER_HTTP_PATH
     )
 
     @contextmanager
@@ -321,7 +321,7 @@ def open(cls, connection):
                                                'cluster', 'organization'])
 
                     conn_url = cls.SPARK_CONNECTION_URL.format(
-                        host=creds.host,
+                        host=creds.host if creds.host.startswith('https://') else 'https://' + creds.host,
                         port=creds.port,
                         organization=creds.organization,
                         cluster=creds.cluster