corrections to ec2_vol module

plugins/modules/ec2_vol.py

@@ -328,6 +328,7 @@ def delete_volume(module, ec2_conn, volume_id=None):
                 module.fail_json_aws(e, msg='Error while deleting volume')  # TODO: https://github.com/ansible/ansible/pull/45500/files#r218858613
     return changed
 
+
 def create_volume(module, ec2_conn, zone):
     changed = False
     iops = module.params.get('iops')
@@ -376,6 +377,7 @@ def create_volume(module, ec2_conn, zone):
 
     return volume, changed
 
+
 def attach_volume(module, ec2_conn, volume_dict, instance_dict, device_name):
     changed = False
 
@@ -458,6 +460,7 @@ def get_attachment_data(volume_dict, wanted_state=None):
 
     return attachment_data
 
+
 def detach_volume(module, ec2_conn, volume_dict):
     changed = False
 
@@ -498,6 +501,7 @@ def get_volume_info(volume):
 
     return volume_info
 
+
 def get_mapped_block_device(instance_dict=None, device_name=None):
     mapped_block_device = None
     if not instance_dict:
@@ -570,7 +574,7 @@ def ensure_tags(module, connection, res_id, res_type, tags, add_only):
 
 
 def main():
-    ec2_argument_spec.update(dict(
+    argument_spec = dict(
         instance=dict(),
         id=dict(),
         name=dict(),
@@ -585,9 +589,9 @@ def main():
         snapshot=dict(),
         state=dict(choices=['absent', 'present', 'list'], default='present'),
         tags=dict(type='dict', default={})
-    ))
+    )
 
-    module = AnsibleAWSModule(ec2_argument_spec=ec2_argument_spec)
+    module = AnsibleAWSModule(argument_spec=argument_spec)
 
     param_id = module.params.get('id')
     name = module.params.get('name')
@@ -696,5 +700,6 @@ def main():
             changed = delete_volume(module, ec2_conn, volume_id=volume['volume_id'])
         module.exit_json(changed=changed)
 
+
 if __name__ == '__main__':
     main()

plugins/modules/test

@@ -0,0 +1,16 @@
+argument_spec = dict(
+instance=dict(),
+id=dict(),
+name=dict(),
+volume_size=dict(type='int'),
+volume_type=dict(choices=['standard', 'gp2', 'io1', 'st1', 'sc1'], default='standard'),
+iops=dict(),
+encrypted=dict(type='bool', default=False),
+kms_key_id=dict(),
+device_name=dict(),
+delete_on_termination=dict(type='bool', default=False),
+zone=dict(aliases=['availability_zone', 'aws_zone', 'ec2_zone']),
+snapshot=dict(),
+state=dict(choices=['absent', 'present', 'list'], default='present'),
+tags=dict(type='dict', default={})
+)