Add --recursive option to fs ls command

databricks_cli/dbfs/cli.py

@@ -38,6 +38,8 @@
 @click.option('-l', is_flag=True, default=False,
               help="""Displays full information including size, file type 
                       and modification time since Epoch in milliseconds.""")
+@click.option('--recursive', is_flag=True, default=False,
+              help='Displays all subdirectories and files.')
 @click.argument('dbfs_path', nargs=-1, type=DbfsPathClickType())
 @debug_option
 @profile_option
@@ -53,10 +55,20 @@ def ls_cli(api_client, l, absolute, dbfs_path): #  NOQA
         dbfs_path = dbfs_path[0]
     else:
         error_and_quit('ls can take a maximum of one path.')
-    files = DbfsApi(api_client).list_files(dbfs_path)
-    table = tabulate([f.to_row(is_long_form=l, is_absolute=absolute) for f in files],
-                     tablefmt='plain')
-    click.echo(table)
+
+    def echo_path(files):
+        table = tabulate([f.to_row(is_long_form=l, is_absolute=absolute) for f in files],
+                         tablefmt='plain')
+        click.echo(table)
+
+    def recursive_echo(this_dbfs_path):
+      files = DbfsApi(api_client).list_files(this_dbfs_path)
+      echo_path(files)
+      for f in files:
+          if f.is_dir:
+              recursive_echo(this_dbfs_path.join(f.basename))
+
+    recursive_echo(dbfs_path) if recursive else echo_path(dbfs_path)
 
 
 @click.command(context_settings=CONTEXT_SETTINGS)