cmdb/cmdb-api/api/lib/cmdb/ci.py

874 lines
34 KiB
Python

# -*- coding:utf-8 -*-
import copy
import datetime
import json
from flask import abort
from flask import current_app
from flask import g
from werkzeug.exceptions import BadRequest
from api.extensions import db
from api.extensions import rd
from api.lib.cmdb.cache import AttributeCache
from api.lib.cmdb.cache import CITypeAttributesCache
from api.lib.cmdb.cache import CITypeCache
from api.lib.cmdb.ci_type import CITypeAttributeManager
from api.lib.cmdb.ci_type import CITypeManager
from api.lib.cmdb.ci_type import CITypeRelationManager
from api.lib.cmdb.ci_type import CITypeUniqueConstraintManager
from api.lib.cmdb.const import AttributeDefaultValueEnum
from api.lib.cmdb.const import CMDB_QUEUE
from api.lib.cmdb.const import ConstraintEnum
from api.lib.cmdb.const import ExistPolicy
from api.lib.cmdb.const import OperateType
from api.lib.cmdb.const import REDIS_PREFIX_CI
from api.lib.cmdb.const import ResourceTypeEnum, PermEnum
from api.lib.cmdb.const import RetKey
from api.lib.cmdb.history import AttributeHistoryManger
from api.lib.cmdb.history import CIRelationHistoryManager
from api.lib.cmdb.perms import CIFilterPermsCRUD
from api.lib.cmdb.resp_format import ErrFormat
from api.lib.cmdb.utils import TableMap
from api.lib.cmdb.utils import ValueTypeMap
from api.lib.cmdb.value import AttributeValueManager
from api.lib.decorator import kwargs_required
from api.lib.perm.acl.acl import ACLManager
from api.lib.perm.acl.acl import is_app_admin
from api.lib.perm.acl.acl import validate_permission
from api.lib.utils import Lock
from api.lib.utils import handle_arg_list
from api.models.cmdb import CI
from api.models.cmdb import CIRelation
from api.models.cmdb import CITypeAttribute
from api.models.cmdb import CITypeRelation
from api.tasks.cmdb import ci_cache
from api.tasks.cmdb import ci_delete
from api.tasks.cmdb import ci_relation_cache
from api.tasks.cmdb import ci_relation_delete
class CIManager(object):
""" manage CI interface
"""
def __init__(self):
pass
@staticmethod
def get_by_id(ci_id):
return CI.get_by_id(ci_id)
@staticmethod
def get_type_name(ci_id):
ci = CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
return CITypeCache.get(ci.type_id).name
@staticmethod
def get_type(ci_id):
ci = CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
return CITypeCache.get(ci.type_id)
@staticmethod
def confirm_ci_existed(ci_id):
return CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
@classmethod
def get_ci_by_id(cls, ci_id, ret_key=RetKey.NAME, fields=None, need_children=True):
"""
:param ci_id:
:param ret_key: name, id, or alias
:param fields: attribute list
:param need_children:
:return:
"""
ci = CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
res = dict()
if need_children:
children = CIRelationManager.get_children(ci_id, ret_key=ret_key) # one floor
res.update(children)
ci_type = CITypeCache.get(ci.type_id)
res["ci_type"] = ci_type.name
res.update(cls.get_cis_by_ids([str(ci_id)], fields=fields, ret_key=ret_key))
res['_type'] = ci_type.id
res['_id'] = ci_id
return res
@classmethod
def valid_ci_only_read(cls, ci):
if is_app_admin("cmdb"):
return
validate_permission(CIManager.get_type_name(ci.id), ResourceTypeEnum.CI, PermEnum.READ, "cmdb")
acl = ACLManager('cmdb')
res = acl.get_resources(ResourceTypeEnum.CI_FILTER)
if res and ci.type_id in CIFilterPermsCRUD().get_by_ids(list(map(int, [i['name'] for i in res]))):
return abort(403, ErrFormat.no_permission2)
@classmethod
def _valid_ci_for_no_read(cls, ci, ci_type=None):
type_id = ci.type_id if ci else ci_type.id
acl = ACLManager('cmdb')
res = acl.get_resources(ResourceTypeEnum.CI_FILTER)
type2filters = CIFilterPermsCRUD().get_by_ids(list(map(int, [i['name'] for i in res])), type_id=type_id)
if res and type_id in type2filters:
if type2filters[type_id].get('ci_filter') and ci:
from api.lib.cmdb.search import SearchError
from api.lib.cmdb.search.ci import search
query = "_id:{},{}".format(ci.id, type2filters[type_id].get('ci_filter'))
s = search(query)
try:
response, _, _, _, _, _ = s.search()
except SearchError as e:
current_app.logger.warning(e)
return abort(400, str(e))
if not response:
return abort(403, ErrFormat.ci_filter_perm_ci_no_permission)
return type2filters[type_id].get('attr_filter') or []
@classmethod
def get_ci_by_id_from_db(cls, ci_id, ret_key=RetKey.NAME, fields=None, need_children=True, use_master=False,
valid=False):
"""
:param ci_id:
:param ret_key: name, id or alias
:param fields: list
:param need_children:
:param use_master: whether to use master db
:param valid:
:return:
"""
ci = CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
if valid:
cls.valid_ci_only_read(ci)
res = dict()
if need_children:
children = CIRelationManager.get_children(ci_id, ret_key=ret_key) # one floor
res.update(children)
ci_type = CITypeCache.get(ci.type_id)
res["ci_type"] = ci_type.name
fields = CITypeAttributeManager.get_attr_names_by_type_id(ci.type_id) if not fields else fields
unique_key = AttributeCache.get(ci_type.unique_id)
_res = AttributeValueManager().get_attr_values(fields,
ci_id,
ret_key=ret_key,
unique_key=unique_key,
use_master=use_master)
res.update(_res)
res['_type'] = ci_type.id
res['ci_type_alias'] = ci_type.alias
res['_id'] = ci_id
return res
def get_ci_by_ids(self, ci_id_list, ret_key=RetKey.NAME, fields=None):
return [self.get_ci_by_id(ci_id, ret_key=ret_key, fields=fields) for ci_id in ci_id_list]
@classmethod
def get_cis_by_type(cls, type_id, ret_key=RetKey.NAME, fields="", page=1, per_page=None):
cis = db.session.query(CI.id).filter(CI.type_id == type_id).filter(CI.deleted.is_(False))
numfound = cis.count()
cis = cis.offset((page - 1) * per_page).limit(per_page)
ci_ids = [str(ci.id) for ci in cis]
res = cls.get_cis_by_ids(ci_ids, ret_key, fields)
return numfound, page, res
@classmethod
def get_ad_statistics(cls):
res = CI.get_by(to_dict=False)
result = dict()
for i in res:
result.setdefault(i.type_id, dict(total=0, auto_discovery=0))
result[i.type_id]['total'] += 1
if i.is_auto_discovery:
result[i.type_id]['auto_discovery'] += 1
return result
@staticmethod
def ci_is_exist(unique_key, unique_value, type_id):
"""
:param unique_key: is a attribute
:param unique_value:
:param type_id:
:return:
"""
value_table = TableMap(attr=unique_key).table
unique = db.session.query(value_table).join(CI, CI.id == value_table.ci_id).filter(
value_table.attr_id == unique_key.id).filter(value_table.value == unique_value).filter(
CI.type_id == type_id).filter(CI.deleted.is_(False)).filter(value_table.deleted.is_(False)).first()
if unique:
return CI.get_by_id(unique.ci_id)
@staticmethod
def _delete_ci_by_id(ci_id):
ci = CI.get_by_id(ci_id)
ci.delete() # TODO: soft delete
@staticmethod
def _valid_unique_constraint(type_id, ci_dict, ci_id=None):
unique_constraints = CITypeUniqueConstraintManager.get_by_type_id(type_id)
if not unique_constraints:
return
attr_ids = []
for i in unique_constraints:
attr_ids.extend(i.attr_ids)
attrs = [AttributeCache.get(i) for i in list(set(attr_ids))]
id2name = {i.id: i.name for i in attrs if i}
not_existed_fields = list(set(id2name.values()) - set(ci_dict.keys()))
if not_existed_fields and ci_id is not None:
ci_dict = copy.deepcopy(ci_dict)
ci_dict.update(AttributeValueManager().get_attr_values(not_existed_fields, ci_id))
for constraint in unique_constraints:
ci_ids = None
for attr_id in constraint.attr_ids:
value_table = TableMap(attr_name=id2name[attr_id]).table
_ci_ids = set([i.ci_id for i in value_table.get_by(attr_id=attr_id,
to_dict=False,
value=ci_dict.get(id2name[attr_id]) or None)])
if ci_ids is None:
ci_ids = _ci_ids
else:
ci_ids &= _ci_ids
if ci_ids - (ci_id and {ci_id} or set()):
return abort(400, ErrFormat.unique_constraint.format(
" - ".join([id2name[i] for i in constraint.attr_ids])))
@staticmethod
def _auto_inc_id(attr):
db.session.remove()
value_table = TableMap(attr_name=attr.name).table
with Lock("auto_inc_id_{}".format(attr.name), need_lock=True):
max_v = value_table.get_by(attr_id=attr.id, only_query=True).order_by(
getattr(value_table, 'value').desc()).first()
if max_v is not None:
return int(max_v.value) + 1
return 1
@classmethod
def add(cls, ci_type_name,
exist_policy=ExistPolicy.REPLACE,
_no_attribute_policy=ExistPolicy.IGNORE,
is_auto_discovery=False,
_is_admin=False,
**ci_dict):
"""
:param ci_type_name:
:param exist_policy: replace or reject or need
:param _no_attribute_policy: ignore or reject
:param is_auto_discovery: default is False
:param _is_admin: default is False
:param ci_dict:
:return:
"""
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
ci_type = CITypeManager.check_is_existed(ci_type_name)
unique_key = AttributeCache.get(ci_type.unique_id) or abort(
400, ErrFormat.unique_value_not_found.format("unique_id={}".format(ci_type.unique_id)))
unique_value = ci_dict.get(unique_key.name)
unique_value = unique_value or ci_dict.get(unique_key.alias)
unique_value = unique_value or ci_dict.get(unique_key.id)
unique_value = unique_value or abort(400, ErrFormat.unique_key_required.format(unique_key.name))
attrs = CITypeAttributesCache.get2(ci_type_name)
ci_type_attrs_name = {attr.name: attr for _, attr in attrs}
ci_type_attrs_alias = {attr.alias: attr for _, attr in attrs}
ci_attr2type_attr = {type_attr.attr_id: type_attr for type_attr, _ in attrs}
ci = None
need_lock = g.user.username not in ("worker", "cmdb_agent", "agent")
with Lock(ci_type_name, need_lock=need_lock):
existed = cls.ci_is_exist(unique_key, unique_value, ci_type.id)
if existed is not None:
if exist_policy == ExistPolicy.REJECT:
return abort(400, ErrFormat.ci_is_already_existed)
if existed.type_id != ci_type.id:
existed.update(type_id=ci_type.id)
ci = existed
else:
if exist_policy == ExistPolicy.NEED:
return abort(404, ErrFormat.ci_not_found.format("{}={}".format(unique_key.name, unique_value)))
from api.lib.cmdb.const import L_CI
if L_CI and len(CI.get_by(type_id=ci_type.id)) > L_CI * 2:
return abort(400, ErrFormat.limit_ci.format(L_CI * 2))
limit_attrs = cls._valid_ci_for_no_read(ci, ci_type) if not _is_admin else {}
if existed is None: # set default
for type_attr, attr in attrs:
if attr.default and attr.default.get('default') is not None:
if attr.default.get('default') and attr.default.get('default') in (
AttributeDefaultValueEnum.CREATED_AT, AttributeDefaultValueEnum.UPDATED_AT):
ci_dict[attr.name] = now
elif attr.default.get('default') == AttributeDefaultValueEnum.AUTO_INC_ID:
ci_dict[attr.name] = cls._auto_inc_id(attr)
elif ((attr.name not in ci_dict and attr.alias not in ci_dict) or (
ci_dict.get(attr.name) is None and ci_dict.get(attr.alias) is None)):
ci_dict[attr.name] = attr.default.get('default')
if type_attr.is_required and (attr.name not in ci_dict and attr.alias not in ci_dict):
return abort(400, ErrFormat.attribute_value_required.format(attr.name))
else:
for type_attr, attr in attrs:
if attr.default and attr.default.get('default') == AttributeDefaultValueEnum.UPDATED_AT:
ci_dict[attr.name] = now
computed_attrs = [attr.to_dict() for _, attr in attrs if attr.is_computed] or None
value_manager = AttributeValueManager()
if computed_attrs:
value_manager.handle_ci_compute_attributes(ci_dict, computed_attrs, ci)
cls._valid_unique_constraint(ci_type.id, ci_dict, ci and ci.id)
for k in ci_dict:
if k not in ci_type_attrs_name and k not in ci_type_attrs_alias and \
_no_attribute_policy == ExistPolicy.REJECT:
return abort(400, ErrFormat.attribute_not_found.format(k))
if limit_attrs and ci_type_attrs_name.get(k) not in limit_attrs and \
ci_type_attrs_alias.get(k) not in limit_attrs:
return abort(403, ErrFormat.ci_filter_perm_attr_no_permission.format(k))
ci_dict = {k: v for k, v in ci_dict.items() if k in ci_type_attrs_name or k in ci_type_attrs_alias}
key2attr = value_manager.valid_attr_value(ci_dict, ci_type.id, ci and ci.id,
ci_type_attrs_name, ci_type_attrs_alias, ci_attr2type_attr)
try:
ci = ci or CI.create(type_id=ci_type.id, is_auto_discovery=is_auto_discovery)
record_id = value_manager.create_or_update_attr_value2(ci, ci_dict, key2attr)
except BadRequest as e:
if existed is None:
cls.delete(ci.id)
raise e
if record_id: # has change
ci_cache.apply_async([ci.id], queue=CMDB_QUEUE)
return ci.id
def update(self, ci_id, _is_admin=False, **ci_dict):
now = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
ci = self.confirm_ci_existed(ci_id)
attrs = CITypeAttributesCache.get2(ci.type_id)
ci_type_attrs_name = {attr.name: attr for _, attr in attrs}
ci_attr2type_attr = {type_attr.attr_id: type_attr for type_attr, _ in attrs}
for _, attr in attrs:
if attr.default and attr.default.get('default') == AttributeDefaultValueEnum.UPDATED_AT:
ci_dict[attr.name] = now
computed_attrs = [attr.to_dict() for _, attr in attrs if attr.is_computed] or None
value_manager = AttributeValueManager()
if computed_attrs:
value_manager.handle_ci_compute_attributes(ci_dict, computed_attrs, ci)
limit_attrs = self._valid_ci_for_no_read(ci) if not _is_admin else {}
need_lock = g.user.username not in ("worker", "cmdb_agent", "agent")
with Lock(ci.ci_type.name, need_lock=need_lock):
self._valid_unique_constraint(ci.type_id, ci_dict, ci_id)
ci_dict = {k: v for k, v in ci_dict.items() if k in ci_type_attrs_name}
key2attr = value_manager.valid_attr_value(ci_dict, ci.type_id, ci.id, ci_type_attrs_name,
ci_attr2type_attr=ci_attr2type_attr)
if limit_attrs:
for k in ci_dict:
if k not in limit_attrs:
return abort(403, ErrFormat.ci_filter_perm_attr_no_permission.format(k))
try:
record_id = value_manager.create_or_update_attr_value2(ci, ci_dict, key2attr)
except BadRequest as e:
raise e
if record_id: # has change
ci_cache.apply_async([ci_id], queue=CMDB_QUEUE)
@staticmethod
def update_unique_value(ci_id, unique_name, unique_value):
ci = CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
AttributeValueManager().create_or_update_attr_value(unique_name, unique_value, ci)
ci_cache.apply_async([ci_id], queue=CMDB_QUEUE)
@classmethod
def delete(cls, ci_id):
ci = CI.get_by_id(ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(ci_id)))
cls._valid_ci_for_no_read(ci)
ci_dict = cls.get_cis_by_ids([ci_id])
ci_dict = ci_dict and ci_dict[0]
attrs = CITypeAttribute.get_by(type_id=ci.type_id, to_dict=False)
attr_names = set([AttributeCache.get(attr.attr_id).name for attr in attrs])
for attr_name in attr_names:
value_table = TableMap(attr_name=attr_name).table
for item in value_table.get_by(ci_id=ci_id, to_dict=False):
item.delete()
for item in CIRelation.get_by(first_ci_id=ci_id, to_dict=False):
ci_relation_delete.apply_async(args=(item.first_ci_id, item.second_ci_id), queue=CMDB_QUEUE)
item.delete()
for item in CIRelation.get_by(second_ci_id=ci_id, to_dict=False):
ci_relation_delete.apply_async(args=(item.first_ci_id, item.second_ci_id), queue=CMDB_QUEUE)
item.delete()
ci.delete() # TODO: soft delete
AttributeHistoryManger.add(None, ci_id, [(None, OperateType.DELETE, ci_dict, None)], ci.type_id)
ci_delete.apply_async([ci.id], queue=CMDB_QUEUE)
return ci_id
@staticmethod
def add_heartbeat(ci_type, unique_value):
ci_type = CITypeManager().check_is_existed(ci_type)
unique_key = AttributeCache.get(ci_type.unique_id)
value_table = TableMap(attr=unique_key).table
v = value_table.get_by(attr_id=unique_key.id,
value=unique_value,
to_dict=False,
first=True) \
or abort(404, ErrFormat.not_found)
ci = CI.get_by_id(v.ci_id) or abort(404, ErrFormat.ci_not_found.format("id={}".format(v.ci_id)))
ci.update(heartbeat=datetime.datetime.now())
@classmethod
@kwargs_required("type_id", "page")
def get_heartbeat(cls, **kwargs):
query = db.session.query(CI.id, CI.heartbeat).filter(CI.deleted.is_(False))
expire = datetime.datetime.now() - datetime.timedelta(minutes=72)
type_ids = handle_arg_list(kwargs["type_id"])
query = query.filter(CI.type_id.in_(type_ids))
page = kwargs.get("page")
agent_status = kwargs.get("agent_status")
if agent_status == -1:
query = query.filter(CI.heartbeat.is_(None))
elif agent_status == 0:
query = query.filter(CI.heartbeat <= expire)
elif agent_status == 1:
query = query.filter(CI.heartbeat > expire)
numfound = query.count()
per_page_count = current_app.config.get("DEFAULT_PAGE_COUNT")
cis = query.offset((page - 1) * per_page_count).limit(per_page_count).all()
ci_ids = [ci.id for ci in cis]
heartbeat_dict = {}
for ci in cis:
if agent_status is not None:
heartbeat_dict[ci.id] = agent_status
else:
if ci.heartbeat is None:
heartbeat_dict[ci.id] = -1
elif ci.heartbeat <= expire:
heartbeat_dict[ci.id] = 0
else:
heartbeat_dict[ci.id] = 1
current_app.logger.debug(heartbeat_dict)
ci_ids = list(map(str, ci_ids))
res = cls.get_cis_by_ids(ci_ids, fields=["hostname", "private_ip"])
result = [(i.get("hostname"), i.get("private_ip")[0], i.get("ci_type"),
heartbeat_dict.get(i.get("_id"))) for i in res
if i.get("private_ip")]
return numfound, result
@staticmethod
def _get_cis_from_cache(ci_ids, ret_key=RetKey.NAME, fields=None, unique_required=False, excludes=None):
res = rd.get(ci_ids, REDIS_PREFIX_CI)
if res is not None and None not in res and ret_key == RetKey.NAME:
res = list(map(json.loads, res))
if not fields and not excludes:
return res
elif fields:
_res = []
for d in res:
_d = dict()
_d["_id"], _d["_type"] = d.get("_id"), d.get("_type")
_d["ci_type"] = d.get("ci_type")
if unique_required:
_d[d.get('unique')] = d.get(d.get('unique'))
for field in fields + ['ci_type_alias', 'unique', 'unique_alias']:
_d[field] = d.get(field)
_res.append(_d)
return _res
else:
excludes = set(excludes)
for i in res:
for e in excludes:
i.pop(e, None)
return res
@staticmethod
def _get_cis_from_db(ci_ids, ret_key=RetKey.NAME, fields=None, value_tables=None, excludes=None):
from api.lib.cmdb.search.ci.db.query_sql import QUERY_CIS_BY_IDS
from api.lib.cmdb.search.ci.db.query_sql import QUERY_CIS_BY_VALUE_TABLE
if not fields:
filter_fields_sql = ""
else:
_fields = list()
for field in fields:
attr = AttributeCache.get(field)
if attr is not None:
_fields.append(str(attr.id))
filter_fields_sql = "WHERE A.attr_id in ({0})".format(",".join(_fields))
ci_ids = ",".join(map(str, ci_ids))
if value_tables is None:
value_tables = ValueTypeMap.table_name.values()
value_sql = " UNION ".join([QUERY_CIS_BY_VALUE_TABLE.format(value_table, ci_ids)
for value_table in value_tables])
query_sql = QUERY_CIS_BY_IDS.format(filter_fields_sql, value_sql)
# current_app.logger.debug(query_sql)
cis = db.session.execute(query_sql).fetchall()
ci_set = set()
res = list()
ci_dict = dict()
unique_id2obj = dict()
excludes = excludes and set(excludes)
for ci_id, type_id, attr_id, attr_name, attr_alias, value, value_type, is_list in cis:
if not fields and excludes and (attr_name in excludes or attr_alias in excludes):
continue
if ci_id not in ci_set:
ci_dict = dict()
ci_type = CITypeCache.get(type_id)
ci_dict["_id"] = ci_id
ci_dict["_type"] = type_id
ci_dict["ci_type"] = ci_type.name
ci_dict["ci_type_alias"] = ci_type.alias
if ci_type.unique_id not in unique_id2obj:
unique_id2obj[ci_type.unique_id] = AttributeCache.get(ci_type.unique_id)
ci_dict["unique"] = unique_id2obj[ci_type.unique_id] and unique_id2obj[ci_type.unique_id].name
ci_dict["unique_alias"] = unique_id2obj[ci_type.unique_id] and unique_id2obj[ci_type.unique_id].alias
ci_set.add(ci_id)
res.append(ci_dict)
if ret_key == RetKey.NAME:
attr_key = attr_name
elif ret_key == RetKey.ALIAS:
attr_key = attr_alias
elif ret_key == RetKey.ID:
attr_key = attr_id
else:
return abort(400, ErrFormat.argument_invalid.format("ret_key"))
value = ValueTypeMap.serialize2[value_type](value)
if is_list:
ci_dict.setdefault(attr_key, []).append(value)
else:
ci_dict[attr_key] = value
return res
@classmethod
def get_cis_by_ids(cls, ci_ids, ret_key=RetKey.NAME,
fields=None, value_tables=None, unique_required=False, excludes=None):
"""
:param ci_ids: list of CI instance ID, eg. ['1', '2']
:param ret_key: name, id or alias
:param fields:
:param value_tables:
:param unique_required:
:param excludes: exclude field list
:return:
"""
if not ci_ids:
return []
fields = [] if fields is None or not isinstance(fields, list) else fields
ci_id_tuple = tuple(map(int, ci_ids))
res = cls._get_cis_from_cache(ci_id_tuple, ret_key, fields, unique_required, excludes=excludes)
if res is not None:
return res
current_app.logger.warning("cache not hit...............")
return cls._get_cis_from_db(ci_ids, ret_key, fields, value_tables, excludes=excludes)
class CIRelationManager(object):
"""
Manage relation between CIs
"""
def __init__(self):
pass
@classmethod
def get_children(cls, ci_id, ret_key=RetKey.NAME):
second_cis = CIRelation.get_by(first_ci_id=ci_id, to_dict=False)
second_ci_ids = (second_ci.second_ci_id for second_ci in second_cis)
ci_type2ci_ids = dict()
for ci_id in second_ci_ids:
type_id = CI.get_by_id(ci_id).type_id
ci_type2ci_ids.setdefault(type_id, []).append(ci_id)
res = {}
for type_id in ci_type2ci_ids:
ci_type = CITypeCache.get(type_id)
children = CIManager.get_cis_by_ids(list(map(str, ci_type2ci_ids[type_id])), ret_key=ret_key)
res[ci_type.name] = children
return res
@staticmethod
def get_second_cis(first_ci_id, relation_type_id=None, page=1, per_page=None):
second_cis = db.session.query(CI.id).filter(CI.deleted.is_(False)).join(
CIRelation, CIRelation.second_ci_id == CI.id).filter(
CIRelation.first_ci_id == first_ci_id).filter(CIRelation.deleted.is_(False))
if relation_type_id is not None:
second_cis = second_cis.filter(CIRelation.relation_type_id == relation_type_id)
numfound = second_cis.count()
if per_page != "all":
second_cis = second_cis.offset((page - 1) * per_page).limit(per_page).all()
ci_ids = [str(son.id) for son in second_cis]
result = CIManager.get_cis_by_ids(ci_ids)
return numfound, len(ci_ids), result
@staticmethod
def _sort_handler(sort_by, query_sql):
if sort_by.startswith("+"):
sort_type = "asc"
sort_by = sort_by[1:]
elif sort_by.startswith("-"):
sort_type = "desc"
sort_by = sort_by[1:]
else:
sort_type = "asc"
attr = AttributeCache.get(sort_by)
if attr is None:
return query_sql
attr_id = attr.id
value_table = TableMap(attr_name=sort_by).table
ci_table = query_sql.subquery()
query_sql = db.session.query(ci_table.c.id, value_table.value).join(
value_table, value_table.ci_id == ci_table.c.id).filter(
value_table.attr_id == attr_id).filter(ci_table.deleted.is_(False)).order_by(
getattr(value_table.value, sort_type)())
return query_sql
@classmethod
def get_first_cis(cls, second_ci, relation_type_id=None, page=1, per_page=None):
first_cis = db.session.query(CIRelation.first_ci_id).filter(
CIRelation.second_ci_id == second_ci).filter(CIRelation.deleted.is_(False))
if relation_type_id is not None:
first_cis = first_cis.filter(CIRelation.relation_type_id == relation_type_id)
numfound = first_cis.count()
if per_page != "all":
first_cis = first_cis.offset((page - 1) * per_page).limit(per_page).all()
first_ci_ids = [str(first_ci.first_ci_id) for first_ci in first_cis]
result = CIManager.get_cis_by_ids(first_ci_ids)
return numfound, len(first_ci_ids), result
@classmethod
def get_ancestor_ids(cls, ci_ids, level=1):
for _ in range(level):
cis = db.session.query(CIRelation.first_ci_id).filter(
CIRelation.second_ci_id.in_(ci_ids)).filter(CIRelation.deleted.is_(False))
ci_ids = [i.first_ci_id for i in cis]
return ci_ids
@staticmethod
def _check_constraint(first_ci_id, second_ci_id, type_relation):
if type_relation.constraint == ConstraintEnum.Many2Many:
return
first_existed = CIRelation.get_by(first_ci_id=first_ci_id, relation_type_id=type_relation.relation_type_id)
second_existed = CIRelation.get_by(second_ci_id=second_ci_id, relation_type_id=type_relation.relation_type_id)
if type_relation.constraint == ConstraintEnum.One2One and (first_existed or second_existed):
return abort(400, ErrFormat.relation_constraint.format("1-1"))
if type_relation.constraint == ConstraintEnum.One2Many and second_existed:
return abort(400, ErrFormat.relation_constraint.format("1-N"))
@classmethod
def add(cls, first_ci_id, second_ci_id, more=None, relation_type_id=None):
first_ci = CIManager.confirm_ci_existed(first_ci_id)
second_ci = CIManager.confirm_ci_existed(second_ci_id)
existed = CIRelation.get_by(first_ci_id=first_ci_id,
second_ci_id=second_ci_id,
to_dict=False,
first=True)
if existed is not None:
if existed.relation_type_id != relation_type_id and relation_type_id is not None:
existed.update(relation_type_id=relation_type_id)
CIRelationHistoryManager().add(existed, OperateType.UPDATE)
else:
if relation_type_id is None:
type_relation = CITypeRelation.get_by(parent_id=first_ci.type_id,
child_id=second_ci.type_id,
first=True,
to_dict=False)
relation_type_id = type_relation and type_relation.relation_type_id
relation_type_id or abort(404, ErrFormat.relation_not_found.format("{} -> {}".format(
first_ci.ci_type.name, second_ci.ci_type.name)))
if current_app.config.get('USE_ACL'):
resource_name = CITypeRelationManager.acl_resource_name(first_ci.ci_type.name,
second_ci.ci_type.name)
if not ACLManager().has_permission(
resource_name,
ResourceTypeEnum.CI_TYPE_RELATION,
PermEnum.ADD):
return abort(403, ErrFormat.no_permission.format(resource_name, PermEnum.ADD))
else:
type_relation = CITypeRelation.get_by_id(relation_type_id)
cls._check_constraint(first_ci_id, second_ci_id, type_relation)
existed = CIRelation.create(first_ci_id=first_ci_id,
second_ci_id=second_ci_id,
relation_type_id=relation_type_id)
CIRelationHistoryManager().add(existed, OperateType.ADD)
ci_relation_cache.apply_async(args=(first_ci_id, second_ci_id), queue=CMDB_QUEUE)
if more is not None:
existed.upadte(more=more)
return existed.id
@staticmethod
def delete(cr_id):
cr = CIRelation.get_by_id(cr_id) or abort(404, ErrFormat.relation_not_found.format("id={}".format(cr_id)))
if current_app.config.get('USE_ACL'):
resource_name = CITypeRelationManager.acl_resource_name(cr.first_ci.ci_type.name, cr.second_ci.ci_type.name)
if not ACLManager().has_permission(
resource_name,
ResourceTypeEnum.CI_TYPE_RELATION,
PermEnum.DELETE):
return abort(403, ErrFormat.no_permission.format(resource_name, PermEnum.DELETE))
cr.delete()
his_manager = CIRelationHistoryManager()
his_manager.add(cr, operate_type=OperateType.DELETE)
ci_relation_delete.apply_async(args=(cr.first_ci_id, cr.second_ci_id), queue=CMDB_QUEUE)
return cr_id
@classmethod
def delete_2(cls, first_ci_id, second_ci_id):
cr = CIRelation.get_by(first_ci_id=first_ci_id,
second_ci_id=second_ci_id,
to_dict=False,
first=True)
ci_relation_delete.apply_async(args=(first_ci_id, second_ci_id), queue=CMDB_QUEUE)
return cls.delete(cr.id)
@classmethod
def batch_update(cls, ci_ids, parents, children):
"""
only for many to one
:param ci_ids:
:param parents:
:param children:
:return:
"""
if parents is not None and isinstance(parents, list):
for parent_id in parents:
for ci_id in ci_ids:
cls.add(parent_id, ci_id)
if children is not None and isinstance(children, list):
for child_id in children:
for ci_id in ci_ids:
cls.add(ci_id, child_id)
@classmethod
def batch_delete(cls, ci_ids, parents):
"""
only for many to one
:param ci_ids:
:param parents:
:return:
"""
if parents is not None and isinstance(parents, list):
for parent_id in parents:
for ci_id in ci_ids:
cls.delete_2(parent_id, ci_id)