feat(snowflake-driver): host env variable (#8898)

Author: johancube

packages/cubejs-backend-shared/src/env.ts

@@ -1426,6 +1426,19 @@ const variables: Record<string, (...args: any) => any> = {
     ]
   ),
 
+  /**
+   * Snowflake host.
+   */
+  snowflakeHost: ({
+    dataSource
+  }: {
+    dataSource: string,
+  }) => (
+    process.env[
+      keyByDataSource('CUBEJS_DB_SNOWFLAKE_HOST', dataSource)
+    ]
+  ),
+
   /**
    * Snowflake private key.
    */

packages/cubejs-snowflake-driver/src/SnowflakeDriver.ts

@@ -155,6 +155,7 @@ export type SnowflakeDriverExportBucket = SnowflakeDriverExportAWS | SnowflakeDr
   | SnowflakeDriverExportAzure;
 
 interface SnowflakeDriverOptions {
+  host?: string,
   account: string,
   username: string,
   password: string,
@@ -261,6 +262,7 @@ export class SnowflakeDriver extends BaseDriver implements DriverInterface {
 
     this.config = {
       readOnly: false,
+      host: getEnv('snowflakeHost', { dataSource }),
       account: getEnv('snowflakeAccount', { dataSource }),
       region: getEnv('snowflakeRegion', { dataSource }),
       warehouse: getEnv('snowflakeWarehouse', { dataSource }),