Add --extra-files option to plan_summary.py cmd (#2452)

tools/plan_summary.py

@@ -31,9 +31,10 @@ except ImportError:
 
 @click.command()
 @click.option('--example', default=False, is_flag=True)
+@click.option('--extra-files', default=[], multiple=True)
 @click.argument('module', type=click.Path(), nargs=1)
 @click.argument('tfvars', type=click.Path(exists=True), nargs=-1)
-def main(example, module, tfvars):
+def main(example, module, tfvars, extra_files):
   try:
     if example:
       tmp_dir = tempfile.TemporaryDirectory()
@@ -46,7 +47,7 @@ def main(example, module, tfvars):
     else:
       module = BASEDIR / module
 
-    summary = fixtures.plan_summary(module, Path(), tfvars)
+    summary = fixtures.plan_summary(module, Path(), tfvars, extra_files)
     print(yaml.dump({'values': summary.values}))
     print(yaml.dump({'counts': summary.counts}))
     outputs = {