Update Nova client initialization according to 7.0.0 version

python-novaclient was updated and now newest version contains
bug in username-password auth. Switching to session-based auth
will allow to fix it (and also its openstack way to use shared session)

Change-Id: If48f8f96843023f4f36e737cd818761db9184884
Closes-bug:1653693

fuel_health/nmanager.py

@@ -18,6 +18,9 @@ import logging
 import os
 import time
 
+from keystoneauth1.identity import V2Password
+from keystoneauth1.session import Session as KeystoneSession
+
 import fuel_health.common.utils.data_utils as data_utils
 
 LOG = logging.getLogger(__name__)
@@ -94,6 +97,8 @@ class OfficialClientManager(fuel_health.manager.Manager):
         self.clients_initialized = False
         self.traceback = ''
         self.keystone_error_message = None
+
+        self._keystone_session = None
         self.compute_client = self._get_compute_client()
         try:
             self.identity_client = self._get_identity_client()
@@ -141,32 +146,22 @@ class OfficialClientManager(fuel_health.manager.Manager):
                 'murano_art_client'
             ]
 
-    def _get_compute_client(self, username=None, password=None,
+    @property
-                            tenant_name=None):
+    def keystone_session(self):
-        if not username:
+        if not self._keystone_session:
-            username = self.config.identity.admin_username
+            auth = V2Password(
-        if not password:
+                auth_url=self.config.identity.uri,
-            password = self.config.identity.admin_password
+                username=self.config.identity.admin_username,
-        if not tenant_name:
+                password=self.config.identity.admin_password,
-            tenant_name = self.config.identity.admin_tenant_name
+                tenant_name=self.config.identity.admin_tenant_name)
 
-        if None in (username, password, tenant_name):
+            self._keystone_session = KeystoneSession(auth=auth, verify=False)
-            msg = ("Missing required credentials for identity client. "
+        return self._keystone_session
-                   "username: {username}, password: {password}, "
-                   "tenant_name: {tenant_name}").format(
-                       username=username,
-                       password=password,
-                       tenant_name=tenant_name, )
-            raise exceptions.InvalidConfiguration(msg)
 
-        auth_url = self.config.identity.uri
+    def _get_compute_client(self):
-
-        client_args = (username, password, tenant_name, auth_url)
-
-        # Create our default Nova client to use in testing
         service_type = self.config.compute.catalog_type
         return novaclient.client.Client(self.NOVACLIENT_VERSION,
-                                        *client_args,
+                                        session=self.keystone_session,
                                         service_type=service_type,
                                         no_cache=True,
                                         insecure=True,

requirements.txt

@@ -5,7 +5,7 @@ python-cinderclient>=1.6.0,!=1.7.0,!=1.7.1  # Apache-2.0
 python-ceilometerclient>=2.5.0  # Apache-2.0
 python-keystoneclient>=2.0.0,!=2.1.0  # Apache-2.0
 python-muranoclient>=0.8.2  # Apache-2.0
-python-novaclient>=2.29.0,!=2.33.0  # Apache-2.0
+python-novaclient>=7.0  # Apache-2.0
 python-neutronclient>=5.1.0  # Apache-2.0
 python-heatclient>=1.4.0  # Apache-2.0
 python-glanceclient>=2.3.0,!=2.4.0  # Apache-2.0
@@ -25,7 +25,7 @@ amqp>=1.4.0,<2.0 # LGPL
 anyjson>=0.3.3  # BSD
 gevent
 keystonemiddleware>=4.0.0,!=4.1.0,!=4.5.0  # Apache-2.0
-kombu>=3.0.25,!=4.0.0 # BSD
+kombu>=3.0.25,<4.0.0 # BSD
 oslo.serialization>=1.10.0              # Apache-2.0
 oslo.utils>=3.16.0                       # Apache-2.0
 pecan>=1.0.0,!=1.0.2,!=1.0.3,!=1.0.4  # BSD