Add cli commands to work with release networks

Added two commands to read/modify release networks

fuel rel --rel 1 --networks --download
Read networks from api and saves them in yaml format
on file system, you should be able to modify them and
send back with

fuel rel --rel 1 --networks --upload

DocImpact
Change-Id: I774ab8341b45a86bbf77d266aa788424936776cc

fuelclient/cli/actions/base.py

@@ -15,6 +15,7 @@
 from functools import partial
 from functools import wraps
 from itertools import imap
+import os
 
 from fuelclient.cli.error import ArgumentException
 from fuelclient.cli.formatting import quote_and_join
@@ -80,6 +81,15 @@ class Action(object):
                    action_name=self.action_name
                )
 
+    def full_path_directory(self, directory, base_name):
+        full_path = os.path.join(directory, base_name)
+        if not os.path.exists(full_path):
+            os.mkdir(full_path)
+        return full_path
+
+    def default_directory(self, directory=None):
+        return os.path.abspath(os.curdir if directory is None else directory)
+
 
 def wrap(method, args, f):
     """wrap - is second order function, purpose of which is to

fuelclient/cli/actions/release.py

@@ -13,7 +13,10 @@
 #    under the License.
 
 from fuelclient.cli.actions.base import Action
+from fuelclient.cli.actions.base import check_all
+from fuelclient.cli.actions.base import check_any
 import fuelclient.cli.arguments as Args
+from fuelclient.cli.arguments import group
 from fuelclient.cli.formatting import format_table
 from fuelclient.objects.release import Release
 
@@ -28,8 +31,18 @@ class ReleaseAction(Action):
         self.args = [
             Args.get_release_arg('Specify particular release id'),
             Args.get_list_arg("List all available releases."),
+            Args.get_network_arg("Node network configuration."),
+            Args.get_dir_arg(
+                "Select directory to which download release attributes"),
+            group(
+                Args.get_download_arg(
+                    "Download configuration of specific release"),
+                Args.get_upload_arg(
+                    "Upload configuration to specific release")
+            )
         ]
         self.flag_func_map = (
+            ('network', self.network),
             (None, self.list),
         )
 
@@ -59,3 +72,25 @@ class ReleaseAction(Action):
                 acceptable_keys=acceptable_keys
             )
         )
+
+    @check_all("release")
+    @check_any("download", "upload")
+    def network(self, params):
+        """Modify release networks configuration.
+        fuel rel --rel 1 --network --download
+        fuel rel --rel 2 --network --upload
+        """
+        release = Release(params.release)
+        dir_path = self.full_path_directory(
+            params.dir, 'release_{0}'.format(params.release))
+        full_path = '{0}/networks'.format(dir_path)
+        if params.download:
+            networks = release.get_networks()
+            self.serializer.write_to_file(full_path, networks)
+            print("Networks for release {0} "
+                  "downloaded into {1}.yaml".format(release.id, full_path))
+        elif params.upload:
+            networks = self.serializer.read_from_file(full_path)
+            release.update_networks(networks)
+            print("Networks for release {0} uploaded from {1}.yaml".format(
+                release.id, full_path))

fuelclient/objects/release.py

@@ -19,7 +19,16 @@ class Release(BaseObject):
 
     class_api_path = "releases/"
     instance_api_path = "releases/{0}/"
+    networks_path = 'releases/{0}/networks'
 
     @classmethod
     def get_all(cls):
         map(cls.init_with_data, cls.get_all_data())
+
+    def get_networks(self):
+        url = self.networks_path.format(self.id)
+        return self.connection.get_request(url)
+
+    def update_networks(self, data):
+        url = self.networks_path.format(self.id)
+        return self.connection.put_request(url, data)

fuelclient/tests/test_release_networks_action.py

@@ -0,0 +1,47 @@
+# -*- coding: utf-8 -*-
+#
+#    Copyright 2014 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import json
+
+from mock import patch
+
+from fuelclient.tests import base
+
+
+API_INPUT = {'config': 'nova_network'}
+API_OUTPUT = 'config: nova_network\n'
+
+
+@patch('fuelclient.client.requests')
+@patch('fuelclient.cli.serializers.open', create=True)
+@patch('fuelclient.cli.actions.base.os')
+class TestReleaseNetworkActions(base.UnitTestCase):
+
+    def test_release_network_download(self, mos, mopen, mrequests):
+        mrequests.get().json.return_value = API_INPUT
+        self.execute(['fuel', 'rel', '--rel', '1', '--network', '--download'])
+        mopen().__enter__().write.assert_called_once_with(API_OUTPUT)
+
+    def test_release_network_upload(self, mos, mopen, mrequests):
+        mopen().__enter__().read.return_value = API_OUTPUT
+        self.execute(['fuel', 'rel', '--rel', '1', '--network', '--upload'])
+        self.assertEqual(mrequests.put.call_count, 1)
+        call_args = mrequests.put.call_args_list[0]
+        url = call_args[0][0]
+        kwargs = call_args[1]
+        self.assertIn('releases/1/networks', url)
+        self.assertEqual(
+            json.loads(kwargs['data']), API_INPUT)