vitrage/vitrage/api_handler/apis/base.py

148 lines
4.5 KiB
Python

# Copyright 2016 - Nokia
#
# 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.
import functools
from oslo_log import log
from vitrage.common.constants import EdgeProperties as EProps
from vitrage.common.constants import EntityCategory
from vitrage.common.constants import VertexProperties as VProps
from vitrage.datasources.nova.host import NOVA_HOST_DATASOURCE
from vitrage.datasources.nova.instance import NOVA_INSTANCE_DATASOURCE
from vitrage.datasources.nova.zone import NOVA_ZONE_DATASOURCE
from vitrage.datasources import OPENSTACK_CLUSTER
LOG = log.getLogger(__name__)
# Used for Sunburst to show only specific resources
TREE_TOPOLOGY_QUERY = {
'and': [
{'==': {VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE}},
{'==': {VProps.VITRAGE_IS_DELETED: False}},
{'==': {VProps.VITRAGE_IS_PLACEHOLDER: False}},
{
'or': [
{'==': {VProps.VITRAGE_TYPE: OPENSTACK_CLUSTER}},
{'==': {VProps.VITRAGE_TYPE: NOVA_INSTANCE_DATASOURCE}},
{'==': {VProps.VITRAGE_TYPE: NOVA_HOST_DATASOURCE}},
{'==': {VProps.VITRAGE_TYPE: NOVA_ZONE_DATASOURCE}}
]
}
]
}
TOPOLOGY_AND_ALARMS_QUERY = {
'and': [
{'==': {VProps.VITRAGE_IS_DELETED: False}},
{'==': {VProps.VITRAGE_IS_PLACEHOLDER: False}},
{
'or': [
{'==': {VProps.VITRAGE_CATEGORY: EntityCategory.ALARM}},
{'==': {VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE}}
]
}
]
}
ALARMS_ALL_QUERY = {
'and': [
{'==': {VProps.VITRAGE_CATEGORY: EntityCategory.ALARM}},
{'==': {VProps.VITRAGE_IS_DELETED: False}}
]
}
EDGE_QUERY = {'==': {EProps.VITRAGE_IS_DELETED: False}}
RESOURCES_ALL_QUERY = {
'and': [
{'==': {VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE}},
{'==': {VProps.VITRAGE_IS_DELETED: False}},
{'==': {VProps.VITRAGE_IS_PLACEHOLDER: False}}
]
}
class EntityGraphApisBase(object):
def __init__(self, entity_graph, api_lock, db=None):
self.entity_graph = entity_graph
self.db = db
self.api_lock = api_lock
@classmethod
def _get_query_with_project(cls, vitrage_category, project_id, is_admin):
"""Generate query with tenant data
Creates query for entity graph which takes into consideration the
vitrage_category, project_id and if the tenant is admin
:type vitrage_category: string
:type project_id: string
:type is_admin: boolean
:rtype: dictionary
"""
query = {
'and': [
{'==': {VProps.VITRAGE_IS_DELETED: False}},
{'==': {VProps.VITRAGE_IS_PLACEHOLDER: False}},
{'==': {VProps.VITRAGE_CATEGORY: vitrage_category}}
]
}
cls._add_project_to_query(query, project_id, is_admin)
return query
@staticmethod
def _add_project_to_query(query, project_id, is_admin):
"""Add project_id filter to the query
Each query should contain the project_id condition
:type query: string representing a json query
:type project_id: string
:type is_admin: boolean
:rtype: string representing a json query
"""
if is_admin:
project_query = \
{'or': [{'==': {VProps.PROJECT_ID: project_id}},
{'==': {VProps.PROJECT_ID: None}}]}
else:
project_query = \
{'==': {VProps.PROJECT_ID: project_id}}
if 'and' in query:
query_with_project_id = query
query_with_project_id['and'].append(project_query)
else:
query_with_project_id = {'and': [project_query, query]}
return query_with_project_id
def lock_graph(f):
@functools.wraps(f)
def api_backend_func(*args, **kwargs):
try:
args[0].api_lock.acquire()
result = f(*args, **kwargs)
return result
finally:
args[0].api_lock.release()
return api_backend_func