Improve unit test coverage for Cisco plugin base code
Closes-Bug: #1190621 This fix improves test code coverage for the file: neutron/plugins/cisco/network_plugin.py from 34% to 98%. Some of the changes made to realize this code coverage improvements are the following: - Core API methods (create_network, update_network, etc.) have been removed from the core plugin (network_plugin.py). These methods are currently unused. Before this change, we relied on the underlying model layer to inform the core plugin whether or not the model layer was capable of handling these core API calls itself via a 'MANAGE_STATE' attribute. However, there is only one existing model layer implementation (i.e. for Nexus plugin; the N1KV plugin does not use network_plugin.py), and that model layer supports the core API calls. Given that it is unlikely that another model layer for the Cisco Nexus plugin will ever be developed (esp. with the availability of the ML2 plugin), so it makes more sense to delete this untested code. - Exception raising for non-existent credentials has been removed from get_credential_details and rename_credential methods since exceptions are already raised for this condition in lower-level credential database code. - The schedule_host, associate_port, and detach_port methods are deleted because these essentially do nothing useful (log a debug message and then return None), since these methods look for the same-named methods in the model layer, but these methods are not defined in the model layer. - The helper functions _invoke_device_plugins and _func_name are deleted because they are no longer used. - In unit test code for the Cisco QoS and credentials database, calls are now made indirectly through the core plugin (network_plugin.py) extension API methods, as a quick-and-easy way to provide code coverage for these core plugin methods. Change-Id: I0c0d9e2b251a7c0355d83e495912302c5cc4d032
This commit is contained in:
Dane LeBlanc
parent
5d1121276b
commit
d9bd9328b2
@ -47,7 +47,6 @@ class VirtualPhysicalSwitchModelV2(neutron_plugin_base_v2.NeutronPluginBaseV2):
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following topology:
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One or more servers to a nexus switch.
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"""
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MANAGE_STATE = True
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__native_bulk_support = True
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supported_extension_aliases = ["provider", "binding"]
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_plugins = {}
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@ -16,18 +16,13 @@
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#
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# @author: Sumit Naiksatam, Cisco Systems, Inc.
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import inspect
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import logging
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from sqlalchemy import orm
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import webob.exc as wexc
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from neutron.api.v2 import base
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from neutron.common import exceptions as exc
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from neutron.db import db_base_plugin_v2
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from neutron.db import models_v2
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from neutron.openstack.common import importutils
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from neutron.plugins.cisco.common import cisco_constants as const
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from neutron.plugins.cisco.common import cisco_exceptions as cexc
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from neutron.plugins.cisco.common import config
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from neutron.plugins.cisco.db import network_db_v2 as cdb
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@ -46,7 +41,6 @@ class PluginV2(db_base_plugin_v2.NeutronDbPluginV2):
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'create_subnet',
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'delete_subnet', 'update_subnet',
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'get_subnet', 'get_subnets', ]
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_master = True
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CISCO_FAULT_MAP = {
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cexc.NetworkSegmentIDNotFound: wexc.HTTPNotFound,
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@ -69,13 +63,10 @@ class PluginV2(db_base_plugin_v2.NeutronDbPluginV2):
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def __init__(self):
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"""Load the model class."""
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self._model = importutils.import_object(config.CISCO.model_class)
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if hasattr(self._model, "MANAGE_STATE") and self._model.MANAGE_STATE:
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self._master = False
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LOG.debug(_("Model %s manages state"), config.CISCO.model_class)
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native_bulk_attr_name = ("_%s__native_bulk_support"
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% self._model.__class__.__name__)
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self.__native_bulk_support = getattr(self._model,
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native_bulk_attr_name, False)
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native_bulk_attr_name = ("_%s__native_bulk_support"
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% self._model.__class__.__name__)
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self.__native_bulk_support = getattr(self._model,
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native_bulk_attr_name, False)
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if hasattr(self._model, "supported_extension_aliases"):
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self.supported_extension_aliases.extend(
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@ -89,14 +80,12 @@ class PluginV2(db_base_plugin_v2.NeutronDbPluginV2):
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def __getattribute__(self, name):
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"""Delegate core API calls to the model class.
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When the configured model class offers to manage the state of the
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logical resources, we delegate the core API calls directly to it.
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Core API calls are delegated directly to the configured model class.
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Note: Bulking calls will be handled by this class, and turned into
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non-bulking calls to be considered for delegation.
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"""
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master = object.__getattribute__(self, "_master")
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methods = object.__getattribute__(self, "_methods_to_delegate")
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if not master and name in methods:
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if name in methods:
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return getattr(object.__getattribute__(self, "_model"),
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name)
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else:
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@ -126,150 +115,6 @@ class PluginV2(db_base_plugin_v2.NeutronDbPluginV2):
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"""
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base.FAULT_MAP.update(self.CISCO_FAULT_MAP)
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"""
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Core API implementation
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"""
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def create_network(self, context, network):
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"""Create new Virtual Network, and assigns it a symbolic name."""
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LOG.debug(_("create_network() called"))
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new_network = super(PluginV2, self).create_network(context,
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network)
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try:
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self._invoke_device_plugins(self._func_name(), [context,
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new_network])
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return new_network
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except Exception:
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super(PluginV2, self).delete_network(context,
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new_network['id'])
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raise
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def update_network(self, context, id, network):
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"""Update network.
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Updates the symbolic name belonging to a particular Virtual Network.
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"""
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LOG.debug(_("update_network() called"))
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upd_net_dict = super(PluginV2, self).update_network(context, id,
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network)
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self._invoke_device_plugins(self._func_name(), [context, id,
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upd_net_dict])
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return upd_net_dict
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def delete_network(self, context, id):
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"""Delete network.
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Deletes the network with the specified network identifier
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belonging to the specified tenant.
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"""
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LOG.debug(_("delete_network() called"))
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#We first need to check if there are any ports on this network
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with context.session.begin():
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network = self._get_network(context, id)
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filter = {'network_id': [id]}
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ports = self.get_ports(context, filters=filter)
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# check if there are any tenant owned ports in-use
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prefix = db_base_plugin_v2.AGENT_OWNER_PREFIX
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only_svc = all(p['device_owner'].startswith(prefix) for p in ports)
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if not only_svc:
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raise exc.NetworkInUse(net_id=id)
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context.session.close()
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#Network does not have any ports, we can proceed to delete
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network = self._get_network(context, id)
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kwargs = {const.NETWORK: network,
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const.BASE_PLUGIN_REF: self}
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self._invoke_device_plugins(self._func_name(), [context, id,
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kwargs])
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return super(PluginV2, self).delete_network(context, id)
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def get_network(self, context, id, fields=None):
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"""Get a particular network."""
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LOG.debug(_("get_network() called"))
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return super(PluginV2, self).get_network(context, id, fields)
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def get_networks(self, context, filters=None, fields=None):
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"""Get all networks."""
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LOG.debug(_("get_networks() called"))
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return super(PluginV2, self).get_networks(context, filters, fields)
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def create_port(self, context, port):
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"""Create a port on the specified Virtual Network."""
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LOG.debug(_("create_port() called"))
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new_port = super(PluginV2, self).create_port(context, port)
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try:
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self._invoke_device_plugins(self._func_name(), [context, new_port])
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return new_port
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except Exception:
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super(PluginV2, self).delete_port(context, new_port['id'])
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raise
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def delete_port(self, context, id):
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LOG.debug(_("delete_port() called"))
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port = self._get_port(context, id)
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"""Delete port.
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TODO (Sumit): Disabling this check for now, check later
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Allow deleting a port only if the administrative state is down,
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and its operation status is also down
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#if port['admin_state_up'] or port['status'] == 'ACTIVE':
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# raise exc.PortInUse(port_id=id, net_id=port['network_id'],
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# att_id=port['device_id'])
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"""
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kwargs = {const.PORT: port}
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# TODO(Sumit): Might first need to check here if port is active
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self._invoke_device_plugins(self._func_name(), [context, id,
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kwargs])
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return super(PluginV2, self).delete_port(context, id)
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def update_port(self, context, id, port):
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"""Update the state of a port and return the updated port."""
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LOG.debug(_("update_port() called"))
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self._invoke_device_plugins(self._func_name(), [context, id,
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port])
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return super(PluginV2, self).update_port(context, id, port)
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def create_subnet(self, context, subnet):
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"""Create subnet.
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Create a subnet, which represents a range of IP addresses
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that can be allocated to devices.
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"""
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LOG.debug(_("create_subnet() called"))
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new_subnet = super(PluginV2, self).create_subnet(context, subnet)
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try:
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self._invoke_device_plugins(self._func_name(), [context,
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new_subnet])
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return new_subnet
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except Exception:
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super(PluginV2, self).delete_subnet(context, new_subnet['id'])
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raise
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def update_subnet(self, context, id, subnet):
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"""Updates the state of a subnet and returns the updated subnet."""
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LOG.debug(_("update_subnet() called"))
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self._invoke_device_plugins(self._func_name(), [context, id,
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subnet])
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return super(PluginV2, self).update_subnet(context, id, subnet)
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def delete_subnet(self, context, id):
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LOG.debug(_("delete_subnet() called"))
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with context.session.begin():
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subnet = self._get_subnet(context, id)
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# Check if ports are using this subnet
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allocated_qry = context.session.query(models_v2.IPAllocation)
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allocated_qry = allocated_qry.options(orm.joinedload('ports'))
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allocated = allocated_qry.filter_by(subnet_id=id)
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prefix = db_base_plugin_v2.AGENT_OWNER_PREFIX
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if not all(not a.port_id or a.ports.device_owner.startswith(prefix)
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for a in allocated):
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raise exc.SubnetInUse(subnet_id=id)
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context.session.close()
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kwargs = {const.SUBNET: subnet}
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self._invoke_device_plugins(self._func_name(), [context, id,
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kwargs])
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return super(PluginV2, self).delete_subnet(context, id)
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"""
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Extension API implementation
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"""
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@ -309,59 +154,10 @@ class PluginV2(db_base_plugin_v2.NeutronDbPluginV2):
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def get_credential_details(self, credential_id):
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"""Get a particular credential."""
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LOG.debug(_("get_credential_details() called"))
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try:
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credential = cdb.get_credential(credential_id)
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except exc.NotFound:
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raise cexc.CredentialNotFound(credential_id=credential_id)
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return credential
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return cdb.get_credential(credential_id)
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def rename_credential(self, credential_id, new_name):
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def rename_credential(self, credential_id, new_name, new_password):
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"""Rename the particular credential resource."""
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LOG.debug(_("rename_credential() called"))
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try:
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credential = cdb.get_credential(credential_id)
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except exc.NotFound:
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raise cexc.CredentialNotFound(credential_id=credential_id)
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credential = cdb.update_credential(credential_id, new_name)
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return credential
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def schedule_host(self, tenant_id, instance_id, instance_desc):
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"""Provides the hostname on which a dynamic vnic is reserved."""
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LOG.debug(_("schedule_host() called"))
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host_list = self._invoke_device_plugins(self._func_name(),
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[tenant_id,
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instance_id,
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instance_desc])
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return host_list
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def associate_port(self, tenant_id, instance_id, instance_desc):
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"""Associate port.
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Get the portprofile name and the device name for the dynamic vnic.
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"""
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LOG.debug(_("associate_port() called"))
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return self._invoke_device_plugins(self._func_name(), [tenant_id,
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instance_id,
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instance_desc])
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def detach_port(self, tenant_id, instance_id, instance_desc):
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"""Remove the association of the VIF with the dynamic vnic."""
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LOG.debug(_("detach_port() called"))
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return self._invoke_device_plugins(self._func_name(), [tenant_id,
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instance_id,
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instance_desc])
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"""
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Private functions
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"""
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def _invoke_device_plugins(self, function_name, args):
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"""Device-specific calls.
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Including core API and extensions are delegated to the model.
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"""
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if hasattr(self._model, function_name):
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return getattr(self._model, function_name)(*args)
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def _func_name(self, offset=0):
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"""Getting the name of the calling funciton."""
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return inspect.stack()[1 + offset][3]
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return cdb.update_credential(credential_id, new_name,
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new_password=new_password)
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@ -14,26 +14,46 @@
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# under the License.
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import collections
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import mock
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import testtools
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from neutron.db import api as db
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from neutron.plugins.cisco.common import cisco_exceptions as c_exc
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from neutron.plugins.cisco.db import network_db_v2 as cdb
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from neutron.plugins.cisco import network_plugin
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from neutron.tests import base
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class CiscoNetworkQosDbTest(base.BaseTestCase):
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class CiscoNetworkDbTest(base.BaseTestCase):
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"""Unit tests for cisco.db.network_models_v2.QoS model."""
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QosObj = collections.namedtuple('QosObj', 'tenant qname desc')
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"""Base class for Cisco network database unit tests."""
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def setUp(self):
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super(CiscoNetworkQosDbTest, self).setUp()
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super(CiscoNetworkDbTest, self).setUp()
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db.configure_db()
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self.session = db.get_session()
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# The Cisco network plugin includes a thin layer of QoS and
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# credential API methods which indirectly call Cisco QoS and
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# credential database access methods. For better code coverage,
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# this test suite will make calls to the QoS and credential database
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# access methods indirectly through the network plugin. The network
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# plugin's init function can be mocked out for this purpose.
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def new_network_plugin_init(instance):
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pass
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with mock.patch.object(network_plugin.PluginV2,
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'__init__', new=new_network_plugin_init):
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self._network_plugin = network_plugin.PluginV2()
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self.addCleanup(db.clear_db)
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class CiscoNetworkQosDbTest(CiscoNetworkDbTest):
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"""Unit tests for Cisco network QoS database model."""
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QosObj = collections.namedtuple('QosObj', 'tenant qname desc')
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def _qos_test_obj(self, tnum, qnum, desc=None):
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"""Create a Qos test object from a pair of numbers."""
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if desc is None:
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@ -49,81 +69,85 @@ class CiscoNetworkQosDbTest(base.BaseTestCase):
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def test_qos_add_remove(self):
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qos11 = self._qos_test_obj(1, 1)
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qos = cdb.add_qos(qos11.tenant, qos11.qname, qos11.desc)
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qos = self._network_plugin.create_qos(qos11.tenant, qos11.qname,
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qos11.desc)
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self._assert_equal(qos, qos11)
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qos_id = qos.qos_id
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qos = cdb.remove_qos(qos11.tenant, qos_id)
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qos = self._network_plugin.delete_qos(qos11.tenant, qos_id)
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self._assert_equal(qos, qos11)
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qos = cdb.remove_qos(qos11.tenant, qos_id)
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qos = self._network_plugin.delete_qos(qos11.tenant, qos_id)
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self.assertIsNone(qos)
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def test_qos_add_dup(self):
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qos22 = self._qos_test_obj(2, 2)
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qos = cdb.add_qos(qos22.tenant, qos22.qname, qos22.desc)
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qos = self._network_plugin.create_qos(qos22.tenant, qos22.qname,
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qos22.desc)
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self._assert_equal(qos, qos22)
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qos_id = qos.qos_id
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with testtools.ExpectedException(c_exc.QosNameAlreadyExists):
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cdb.add_qos(qos22.tenant, qos22.qname, "duplicate 22")
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qos = cdb.remove_qos(qos22.tenant, qos_id)
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self._network_plugin.create_qos(qos22.tenant, qos22.qname,
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"duplicate 22")
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qos = self._network_plugin.delete_qos(qos22.tenant, qos_id)
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self._assert_equal(qos, qos22)
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qos = cdb.remove_qos(qos22.tenant, qos_id)
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qos = self._network_plugin.delete_qos(qos22.tenant, qos_id)
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self.assertIsNone(qos)
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def test_qos_get(self):
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qos11 = self._qos_test_obj(1, 1)
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qos11_id = cdb.add_qos(qos11.tenant, qos11.qname, qos11.desc).qos_id
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qos11_id = self._network_plugin.create_qos(qos11.tenant, qos11.qname,
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qos11.desc).qos_id
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qos21 = self._qos_test_obj(2, 1)
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qos21_id = cdb.add_qos(qos21.tenant, qos21.qname, qos21.desc).qos_id
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qos21_id = self._network_plugin.create_qos(qos21.tenant, qos21.qname,
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qos21.desc).qos_id
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qos22 = self._qos_test_obj(2, 2)
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qos22_id = cdb.add_qos(qos22.tenant, qos22.qname, qos22.desc).qos_id
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qos22_id = self._network_plugin.create_qos(qos22.tenant, qos22.qname,
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qos22.desc).qos_id
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qos = cdb.get_qos(qos11.tenant, qos11_id)
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qos = self._network_plugin.get_qos_details(qos11.tenant, qos11_id)
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self._assert_equal(qos, qos11)
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qos = cdb.get_qos(qos21.tenant, qos21_id)
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qos = self._network_plugin.get_qos_details(qos21.tenant, qos21_id)
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self._assert_equal(qos, qos21)
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||||
qos = cdb.get_qos(qos21.tenant, qos22_id)
|
||||
qos = self._network_plugin.get_qos_details(qos21.tenant, qos22_id)
|
||||
self._assert_equal(qos, qos22)
|
||||
|
||||
with testtools.ExpectedException(c_exc.QosNotFound):
|
||||
cdb.get_qos(qos11.tenant, "dummyQosId")
|
||||
self._network_plugin.get_qos_details(qos11.tenant, "dummyQosId")
|
||||
with testtools.ExpectedException(c_exc.QosNotFound):
|
||||
cdb.get_qos(qos11.tenant, qos21_id)
|
||||
self._network_plugin.get_qos_details(qos11.tenant, qos21_id)
|
||||
with testtools.ExpectedException(c_exc.QosNotFound):
|
||||
cdb.get_qos(qos21.tenant, qos11_id)
|
||||
self._network_plugin.get_qos_details(qos21.tenant, qos11_id)
|
||||
|
||||
qos_all_t1 = cdb.get_all_qoss(qos11.tenant)
|
||||
qos_all_t1 = self._network_plugin.get_all_qoss(qos11.tenant)
|
||||
self.assertEqual(len(qos_all_t1), 1)
|
||||
qos_all_t2 = cdb.get_all_qoss(qos21.tenant)
|
||||
qos_all_t2 = self._network_plugin.get_all_qoss(qos21.tenant)
|
||||
self.assertEqual(len(qos_all_t2), 2)
|
||||
qos_all_t3 = cdb.get_all_qoss("tenant3")
|
||||
qos_all_t3 = self._network_plugin.get_all_qoss("tenant3")
|
||||
self.assertEqual(len(qos_all_t3), 0)
|
||||
|
||||
def test_qos_update(self):
|
||||
qos11 = self._qos_test_obj(1, 1)
|
||||
qos11_id = cdb.add_qos(qos11.tenant, qos11.qname, qos11.desc).qos_id
|
||||
cdb.update_qos(qos11.tenant, qos11_id)
|
||||
qos11_id = self._network_plugin.create_qos(qos11.tenant, qos11.qname,
|
||||
qos11.desc).qos_id
|
||||
self._network_plugin.rename_qos(qos11.tenant, qos11_id,
|
||||
new_name=None)
|
||||
new_qname = "new qos name"
|
||||
new_qos = cdb.update_qos(qos11.tenant, qos11_id, new_qname)
|
||||
new_qos = self._network_plugin.rename_qos(qos11.tenant, qos11_id,
|
||||
new_qname)
|
||||
expected_qobj = self.QosObj(qos11.tenant, new_qname, qos11.desc)
|
||||
self._assert_equal(new_qos, expected_qobj)
|
||||
new_qos = cdb.get_qos(qos11.tenant, qos11_id)
|
||||
new_qos = self._network_plugin.get_qos_details(qos11.tenant, qos11_id)
|
||||
self._assert_equal(new_qos, expected_qobj)
|
||||
with testtools.ExpectedException(c_exc.QosNotFound):
|
||||
cdb.update_qos(qos11.tenant, "dummyQosId")
|
||||
self._network_plugin.rename_qos(qos11.tenant, "dummyQosId",
|
||||
new_name=None)
|
||||
|
||||
|
||||
class CiscoNetworkCredentialDbTest(base.BaseTestCase):
|
||||
class CiscoNetworkCredentialDbTest(CiscoNetworkDbTest):
|
||||
|
||||
"""Unit tests for cisco.db.network_models_v2.Credential model."""
|
||||
"""Unit tests for Cisco network credentials database model."""
|
||||
|
||||
CredObj = collections.namedtuple('CredObj', 'cname usr pwd ctype')
|
||||
|
||||
def setUp(self):
|
||||
super(CiscoNetworkCredentialDbTest, self).setUp()
|
||||
db.configure_db()
|
||||
self.session = db.get_session()
|
||||
self.addCleanup(db.clear_db)
|
||||
|
||||
def _cred_test_obj(self, tnum, cnum):
|
||||
"""Create a Credential test object from a pair of numbers."""
|
||||
cname = 'credential_%s_%s' % (str(tnum), str(cnum))
|
||||
@ -174,17 +198,17 @@ class CiscoNetworkCredentialDbTest(base.BaseTestCase):
|
||||
cred22_id = cdb.add_credential(
|
||||
cred22.cname, cred22.usr, cred22.pwd, cred22.ctype).credential_id
|
||||
|
||||
cred = cdb.get_credential(cred11_id)
|
||||
cred = self._network_plugin.get_credential_details(cred11_id)
|
||||
self._assert_equal(cred, cred11)
|
||||
cred = cdb.get_credential(cred21_id)
|
||||
cred = self._network_plugin.get_credential_details(cred21_id)
|
||||
self._assert_equal(cred, cred21)
|
||||
cred = cdb.get_credential(cred22_id)
|
||||
cred = self._network_plugin.get_credential_details(cred22_id)
|
||||
self._assert_equal(cred, cred22)
|
||||
|
||||
with testtools.ExpectedException(c_exc.CredentialNotFound):
|
||||
cdb.get_credential("dummyCredentialId")
|
||||
self._network_plugin.get_credential_details("dummyCredentialId")
|
||||
|
||||
cred_all_t1 = cdb.get_all_credentials()
|
||||
cred_all_t1 = self._network_plugin.get_all_credentials()
|
||||
self.assertEqual(len(cred_all_t1), 3)
|
||||
|
||||
def test_credential_get_name(self):
|
||||
@ -215,16 +239,23 @@ class CiscoNetworkCredentialDbTest(base.BaseTestCase):
|
||||
cred11 = self._cred_test_obj(1, 1)
|
||||
cred11_id = cdb.add_credential(
|
||||
cred11.cname, cred11.usr, cred11.pwd, cred11.ctype).credential_id
|
||||
cdb.update_credential(cred11_id)
|
||||
self._network_plugin.rename_credential(cred11_id, new_name=None,
|
||||
new_password=None)
|
||||
new_usr = "new user name"
|
||||
new_pwd = "new password"
|
||||
new_credential = cdb.update_credential(
|
||||
new_credential = self._network_plugin.rename_credential(
|
||||
cred11_id, new_usr, new_pwd)
|
||||
expected_cred = self.CredObj(
|
||||
cred11.cname, new_usr, new_pwd, cred11.ctype)
|
||||
self._assert_equal(new_credential, expected_cred)
|
||||
new_credential = cdb.get_credential(cred11_id)
|
||||
new_credential = self._network_plugin.get_credential_details(
|
||||
cred11_id)
|
||||
self._assert_equal(new_credential, expected_cred)
|
||||
with testtools.ExpectedException(c_exc.CredentialNotFound):
|
||||
cdb.update_credential(
|
||||
self._network_plugin.rename_credential(
|
||||
"dummyCredentialId", new_usr, new_pwd)
|
||||
|
||||
def test_get_credential_not_found_exception(self):
|
||||
self.assertRaises(c_exc.CredentialNotFound,
|
||||
self._network_plugin.get_credential_details,
|
||||
"dummyCredentialId")
|
||||
|
||||
@ -134,14 +134,8 @@ class CiscoNetworkPluginV2TestCase(test_db_plugin.NeutronDbPluginV2TestCase):
|
||||
self.addCleanup(mock.patch.stopall)
|
||||
|
||||
def _get_plugin_ref(self):
|
||||
plugin_obj = NeutronManager.get_plugin()
|
||||
if getattr(plugin_obj, "_master"):
|
||||
plugin_ref = plugin_obj
|
||||
else:
|
||||
plugin_ref = getattr(plugin_obj, "_model").\
|
||||
_plugins[const.VSWITCH_PLUGIN]
|
||||
|
||||
return plugin_ref
|
||||
return getattr(NeutronManager.get_plugin(),
|
||||
"_model")._plugins[const.VSWITCH_PLUGIN]
|
||||
|
||||
@contextlib.contextmanager
|
||||
def _patch_ncclient(self, attr, value):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user