Added a script for printing the current VM placement

vm-placement.py

@@ -0,0 +1,40 @@
+#!/usr/bin/python2
+
+# Copyright 2012 Anton Beloglazov
+#
+# 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.
+
+from novaclient.v1_1 import client
+import neat.common as common
+from neat.config import *
+
+
+def vm_hostname(vm):
+    return str(getattr(vm, 'OS-EXT-SRV-ATTR:host'))
+
+
+config = read_and_validate_config([DEFAILT_CONFIG_PATH, CONFIG_PATH],
+                                  REQUIRED_FIELDS)
+hosts = common.parse_compute_hosts(config['compute_hosts'])
+nova = client.Client(config['os_admin_user'],
+                     config['os_admin_password'],
+                     config['os_admin_tenant_name'],
+                     config['os_auth_url'],
+                     service_type="compute")
+
+
+
+placement = dict((str(vm.human_id), vm_hostname(vm)) for vm in nova.servers.list())
+
+for vm in sorted(placement.keys()):
+    print '{0:15} ==> {1}'.format(vm, placement[vm])