designate-manage pool update --dry-run not should pass argument

--dry-run and --delete should be switchs.
now --dry_run acts as key value pair. users do not know what is behind
--dry-run. and now whatever the value is acceptable. this is unreasonable.

Closes-bug: #1847393

Change-Id: Ia6ab93395deb95173e443f9d3ea77dd52edfcf2c

designate/cmd/manage.py

@@ -89,7 +89,7 @@ def get_arg_string(args):
     else:
         arg = args
 
-    return arg
+    return arg.replace('-', '_')
 
 
 def fetch_func_args(func):

designate/manage/pool.py

@@ -85,10 +85,12 @@ class PoolCommands(base.Commands):
         '--delete',
         help='Any Pools not listed in the config file will be deleted. '
              ' WARNING: This will delete any zones left in this pool',
+        action="store_true",
         default=False)
     @base.args(
-        '--dry_run',
+        '--dry-run',
         help='This will simulate what will happen when you run this command',
+        action="store_true",
         default=False)
     def update(self, file, delete, dry_run):
         self._startup()

doc/source/admin/multiple-pools.rst

@@ -150,7 +150,7 @@ the pool configuration.
 .. code-block:: bash
 
    # Do a dry run
-   $ designate-manage pool update --file pools.yml --dry_run
+   $ designate-manage pool update --file pools.yml --dry-run
    $ designate-manage pool update --file pools.yml
 
 Designate now has two pools to work with. The next step will be to

doc/source/admin/pools.rst

@@ -102,16 +102,16 @@ Options:
 """"""""
 
   --file        Input file (Default: ``/etc/designate/pools.yaml``)
-  --dry_run     Simulate an update. (Default: False)
+  --dry-run     This will simulate what will happen when you run this command
-  --delete      Delete Pools that are not in the input file (Defaults: False)
+  --delete      Any Pools not listed in the config file will be deleted
 
 .. warning::
 
-  | Running with ``--delete True`` can be **extremely** dangerous.
+  | Running with ``--delete`` can be **extremely** dangerous.
   | It will delete any pools that are not in the supplied YAML file, and any
   | zones that are in that Pool.
-  | Before running with ``--delete True`` we recommend operators run with
+  | Before running with ``--delete`` we recommend operators run with
-  | ``--delete True --dry_run True`` to view the outcome.
+  | ``--delete --dry-run`` to view the outcome.
 
 
 

doc/source/cli/designate-manage.rst

@@ -155,8 +155,8 @@ designate-manage pool update
 
 .. code-block:: console
 
-    usage: designate-manage pool update [-h] [--file FILE] [--delete DELETE]
+    usage: designate-manage pool update [-h] [--file FILE] [--delete]
-                                        [--dry_run DRY_RUN]
+                                        [--dry-run]
 
 
 Update the running pool config from a YAML file
@@ -170,11 +170,11 @@ Update the running pool config from a YAML file
   The path to the file that should be used to update the pools config
   (Defaults to /etc/designate/pools.yaml)
 
-``--delete DELETE``
+``--delete``
   Any Pools not listed in the config file will be deleted.
   .. warning::  This will delete any zones left in this pool
 
-``--dry_run DRY_RUN``
+``--dry-run``
   This will simulate what will happen when you run this command
 
 

releasenotes/notes/update-designate-manage-command-af0aec02ab582d50.yaml

@@ -0,0 +1,12 @@
+---
+upgrade:
+  - |
+    Update command ``designate-manage pool update``, change ``--dry_run`` to
+    ``--dry-run``, and change ``--delete`` and ``--dry-run`` as switchs not
+    key value pair.
+    e.g.
+
+    .. code-block:: bash
+
+       $ designate-manage pool update --file pools.yml --delete --dry-run
+