When no pool quantity is set, then do not set quantity to 1

* Bug fix for: ansible#66478
* When no quantity is set, then candlepin server usually uses
  default value 1. When more quantities are required, then
  candlepin server can automatically choose correct minimal
  value.

lib/ansible/modules/packaging/os/redhat_subscription.py

@@ -515,7 +515,9 @@ def subscribe_by_pool_ids(self, pool_ids):
 
         for pool_id, quantity in sorted(pool_ids.items()):
             if pool_id in available_pool_ids:
-                args = [SUBMAN_CMD, 'attach', '--pool', pool_id, '--quantity', quantity]
+                args = [SUBMAN_CMD, 'attach', '--pool', pool_id]
+                if quantity is not None:
+                    args.extend(['--quantity', to_native(quantity)])
                 rc, stderr, stdout = self.module.run_command(args, check_rc=True)
             else:
                 self.module.fail_json(msg='Pool ID: %s not in list of available pools' % pool_id)
@@ -839,8 +841,8 @@ def main():
                 module.fail_json(msg='Unable to parse pool_ids option.')
             pool_id, quantity = list(value.items())[0]
         else:
-            pool_id, quantity = value, 1
-        pool_ids[pool_id] = str(quantity)
+            pool_id, quantity = value, None
+        pool_ids[pool_id] = quantity
     consumer_type = module.params["consumer_type"]
     consumer_name = module.params["consumer_name"]
     consumer_id = module.params["consumer_id"]

test/units/modules/packaging/os/test_redhat_subscription.py

@@ -557,8 +557,7 @@ def test_without_required_parameters(capfd, patch_redhat_subscription):
                     [
                         '/testbin/subscription-manager',
                         'attach',
-                        '--pool', 'ff8080816b8e967f016b8e99632804a6',
-                        '--quantity', '1'
+                        '--pool', 'ff8080816b8e967f016b8e99632804a6'
                     ],
                     {'check_rc': True},
                     (0, '', '')
@@ -567,8 +566,7 @@ def test_without_required_parameters(capfd, patch_redhat_subscription):
                     [
                         '/testbin/subscription-manager',
                         'attach',
-                        '--pool', 'ff8080816b8e967f016b8e99747107e9',
-                        '--quantity', '1'
+                        '--pool', 'ff8080816b8e967f016b8e99747107e9'
                     ],
                     {'check_rc': True},
                     (0, '', '')
@@ -658,7 +656,6 @@ def test_without_required_parameters(capfd, patch_redhat_subscription):
                         '/testbin/subscription-manager',
                         'attach',
                         '--pool', 'ff8080816b8e967f016b8e99632804a6',
-                        '--quantity', '1'
                     ],
                     {'check_rc': True},
                     (0, '', '')