def _create_entity_graph(self, name, num_of_alarms_per_host,
num_of_alarms_per_vm,
num_of_hosts_per_node,
num_of_vms_per_host,
num_of_tests_per_host):
start = time.time()
g = create_graph(name)
g.add_vertex(v_node)
g.add_vertex(v_switch)
g.add_edge(e_node_to_switch)
# Add Hosts
for host_id in xrange(num_of_hosts_per_node):
host_to_add = add_connected_vertex(g, RESOURCE, HOST, host_id,
ELabel.CONTAINS, v_node, True)
g.add_edge(graph_utils.create_edge(host_to_add.vertex_id,
v_switch.vertex_id, 'USES'))
# Add Host Alarms
for j in xrange(num_of_alarms_per_host):
add_connected_vertex(g, ALARM, ALARM_ON_HOST,
self.host_alarm_id, ELabel.ON,
host_to_add)
self.host_alarm_id += 1
# Add Host Tests
for j in xrange(num_of_tests_per_host):
add_connected_vertex(g, TEST, TEST_ON_HOST, self.host_test_id,
ELabel.ON, host_to_add)
self.host_test_id += 1
# Add Host Vms
for j in xrange(num_of_vms_per_host):
vm_to_add = add_connected_vertex(g, RESOURCE, INSTANCE,
self.vm_id, ELabel.CONTAINS,
host_to_add, True)
self.vm_id += 1
self.vms.append(vm_to_add)
# Add Instance Alarms
for k in xrange(num_of_alarms_per_vm):
add_connected_vertex(g, ALARM, ALARM_ON_VM,
self.vm_alarm_id, ELabel.ON,
vm_to_add)
self.vm_alarm_id += 1
end = time.time()
LOG.debug('Graph creation took ' + str(end - start) +
' seconds, size is: ' + str(len(g)))
expected_graph_size = \
2 + num_of_hosts_per_node + num_of_hosts_per_node * \
num_of_alarms_per_host + num_of_hosts_per_node * \
num_of_vms_per_host + num_of_hosts_per_node * \
num_of_vms_per_host * num_of_alarms_per_vm + num_of_tests_per_host * \
num_of_hosts_per_node
assert expected_graph_size == len(g), 'Graph size'
return g
def _evaluate_and_condition(self, condition, element, scenario_element):
condition_g = create_graph("scenario condition")
for term in condition:
if not term.positive:
# todo(erosensw): add support for NOT clauses
LOG.error('Unsupported template with NOT operator')
return []
if term.type == ENTITY:
term.variable[VProps.IS_DELETED] = False
condition_g.add_vertex(term.variable)
else: # type = relationship
edge_desc = term.variable
self._set_relationship_not_deleted(edge_desc)
self._add_relationship(condition_g, edge_desc)
if isinstance(element, Vertex):
initial_map = Mapping(scenario_element, element, True)
else:
initial_map = Mapping(scenario_element.edge, element, False)
return self._graph_algs.sub_graph_matching(condition_g, [initial_map])
def _evaluate_and_condition(self, condition, element, scenario_element):
condition_g = create_graph("scenario condition")
for term in condition:
if not term.positive:
# todo(erosensw): add support for NOT clauses
LOG.error('Template with NOT operator current not supported')
return []
if term.type == ENTITY:
term.variable[VProps.IS_DELETED] = False
condition_g.add_vertex(term.variable)
else: # type = relationship
edge_desc = term.variable
self._set_relationship_not_deleted(edge_desc)
self._add_relationship(condition_g, edge_desc)
if isinstance(element, Vertex):
initial_map = Mapping(scenario_element, element, True)
else:
initial_map = Mapping(scenario_element.edge, element, False)
return self._graph_algs.sub_graph_matching(condition_g, [initial_map])
def _create_entity_graph(self, name, num_of_alarms_per_host,
num_of_alarms_per_vm,
num_of_hosts_per_node,
num_of_vms_per_host,
num_of_tests_per_host):
start = time.time()
g = create_graph(name, EntityCategory.RESOURCE + ':' +
OPENSTACK_CLUSTER)
g.add_vertex(v_node)
g.add_vertex(v_switch)
g.add_edge(e_node_to_switch)
# Add Hosts
for host_id in range(num_of_hosts_per_node):
host_to_add = add_connected_vertex(g,
RESOURCE,
NOVA_HOST_DATASOURCE,
host_id,
ELabel.CONTAINS,
v_node,
True)
g.add_edge(graph_utils.create_edge(host_to_add.vertex_id,
v_switch.vertex_id, 'USES'))
# Add Host Alarms
for j in range(num_of_alarms_per_host):
add_connected_vertex(g, ALARM, ALARM_ON_HOST,
self.host_alarm_id, ELabel.ON,
host_to_add)
self.host_alarm_id += 1
# Add Host Tests
for j in range(num_of_tests_per_host):
add_connected_vertex(g, TEST, TEST_ON_HOST, self.host_test_id,
ELabel.ON, host_to_add)
self.host_test_id += 1
# Add Host Vms
for j in range(num_of_vms_per_host):
vm_to_add = add_connected_vertex(g,
RESOURCE,
NOVA_INSTANCE_DATASOURCE,
self.vm_id,
ELabel.CONTAINS,
host_to_add,
True)
self.vm_id += 1
self.vms.append(vm_to_add)
# Add Instance Alarms
for k in range(num_of_alarms_per_vm):
add_connected_vertex(g, ALARM, ALARM_ON_VM,
self.vm_alarm_id, ELabel.ON,
vm_to_add)
self.vm_alarm_id += 1
end = time.time()
LOG.debug('Graph creation took ' + str(end - start) +
' seconds, size is: ' + str(len(g)))
expected_graph_size = \
2 + num_of_hosts_per_node + num_of_hosts_per_node * \
num_of_alarms_per_host + num_of_hosts_per_node * \
num_of_vms_per_host + num_of_hosts_per_node * \
num_of_vms_per_host * num_of_alarms_per_vm + \
num_of_tests_per_host * num_of_hosts_per_node
assert expected_graph_size == len(g), 'Graph size'
return g
