From 063c722a110031883e9615064092644de6df8da2 Mon Sep 17 00:00:00 2001
From: reedip <reedip.banerjee@nectechnologies.in>
Date: Fri, 15 Apr 2016 15:27:18 +0900
Subject: Add command to unset information from Subnet-pools

This patch introduces the ``subnet pool unset`` command to
clear the pool prefix information from the subnet-pools.

Change-Id: I84b7259d6e26e695343d41cea6d807396faaf69a
Implements: blueprint network-property-unset
---
 openstackclient/network/v2/subnet_pool.py | 41 +++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'openstackclient/network')

diff --git a/openstackclient/network/v2/subnet_pool.py b/openstackclient/network/v2/subnet_pool.py
index 55dfed83..ed2bb0ef 100644
--- a/openstackclient/network/v2/subnet_pool.py
+++ b/openstackclient/network/v2/subnet_pool.py
@@ -12,6 +12,7 @@
 #
 
 """Subnet pool action implementations"""
+import copy
 
 import logging
 
@@ -337,3 +338,43 @@ class ShowSubnetPool(command.ShowOne):
         columns = _get_columns(obj)
         data = utils.get_item_properties(obj, columns, formatters=_formatters)
         return (columns, data)
+
+
+class UnsetSubnetPool(command.Command):
+    """Unset subnet pool properties"""
+
+    def get_parser(self, prog_name):
+        parser = super(UnsetSubnetPool, self).get_parser(prog_name)
+        parser.add_argument(
+            '--pool-prefix',
+            metavar='<pool-prefix>',
+            action='append',
+            dest='prefixes',
+            help=_('Remove subnet pool prefixes (in CIDR notation). '
+                   '(repeat option to unset multiple prefixes).'),
+        )
+        parser.add_argument(
+            'subnet_pool',
+            metavar="<subnet-pool>",
+            help=_("Subnet pool to modify (name or ID)")
+        )
+        return parser
+
+    def take_action(self, parsed_args):
+        client = self.app.client_manager.network
+        obj = client.find_subnet_pool(
+            parsed_args.subnet_pool, ignore_missing=False)
+        tmp_prefixes = copy.deepcopy(obj.prefixes)
+        attrs = {}
+        if parsed_args.prefixes:
+            for prefix in parsed_args.prefixes:
+                try:
+                    tmp_prefixes.remove(prefix)
+                except ValueError:
+                    msg = _(
+                        "Subnet pool does not "
+                        "contain prefix %s") % prefix
+                    raise exceptions.CommandError(msg)
+            attrs['prefixes'] = tmp_prefixes
+        if attrs:
+            client.update_subnet_pool(obj, **attrs)
-- 
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