Added missing file

modules/openstack_openstacksdk/res_viewer.py

+"""
+EasyCloud OpenStack Resources ID Viewer
+"""
+
+from gnocchiclient.v1 import client
+from keystoneauth1 import loading
+
+__author__ = "Davide Monfrecola, Stefano Garione, Giorgio Gambino, Luca Banzato"
+__copyright__ = "Copyright (C) 2019"
+__credits__ = ["Andrea Lombardo", "Irene Lovotti"]
+__license__ = "GPL v3"
+__version__ = "0.10.0"
+__maintainer__ = "Luca Banzato"
+__email__ = "20005492@studenti.uniupo.it"
+__status__ = "Prototype"
+
+############################
+# To be filled by the user #
+############################
+AUTH_URL = ""
+USERNAME = ""
+PASSWORD = ""
+PROJECT_ID = ""
+REGION_NAME = ""
+############################
+
+print("\nOpenStack Resources ID Viewer\n")
+
+# Authentication
+_loader = loading.get_plugin_loader('password')
+_auth = _loader.load_from_options(auth_url=AUTH_URL,
+                                  username=USERNAME,
+                                  password=PASSWORD,
+                                  project_id=PROJECT_ID,
+                                  user_domain_name="default")
+gnocchi_client = client.Client(adapter_options={"region_name": REGION_NAME},
+                               session_options={"auth": _auth})
+# Instance ID request
+instance_id = str(input("Insert the instance id: "))
+
+try:
+    # Get resources for a specified instance (can raise an exception)
+    resources = gnocchi_client.resource.get("generic", instance_id)
+    # Print metrics if available
+    if "metrics" in resources:
+        metrics = resources["metrics"]
+        i = 0
+        print("\nMetrics available for instance " + instance_id + ":\n")
+        for key, value in metrics.items():
+            print(("ID: %-25s - Name: %-25s" % (value, key)))
+        print("")
+    else:
+        print("No metrics available for instance " + instance_id)
+except Exception as e:
+    print("An error has occourred while fetching metrics details: " + str(e))