cmdb/cmdb-api/api/lib/cmdb/ipam/address.py

138 lines
5.9 KiB
Python

# -*- coding:utf-8 -*-
import redis_lock
from flask import abort
from api.extensions import db
from api.extensions import rd
from api.lib.cmdb.cache import CITypeCache
from api.lib.cmdb.ci import CIManager
from api.lib.cmdb.ci import CIRelationManager
from api.lib.cmdb.const import BuiltinModelEnum
from api.lib.cmdb.ipam.const import IPAddressAssignStatus
from api.lib.cmdb.ipam.const import IPAddressBuiltinAttributes
from api.lib.cmdb.ipam.const import OperateTypeEnum
from api.lib.cmdb.ipam.const import SubnetBuiltinAttributes
from api.lib.cmdb.ipam.history import OperateHistoryManager
from api.lib.cmdb.resp_format import ErrFormat
from api.lib.cmdb.search.ci.db.search import Search as SearchFromDB
from api.lib.cmdb.search.ci_relation.search import Search as RelationSearch
class IpAddressManager(object):
def __init__(self):
self.ci_type = CITypeCache.get(BuiltinModelEnum.IPAM_ADDRESS)
not self.ci_type and abort(400, ErrFormat.ipam_address_model_not_found.format(
BuiltinModelEnum.IPAM_ADDRESS))
self.type_id = self.ci_type.id
@staticmethod
def list_ip_address(parent_id):
numfound, _, result = CIRelationManager.get_second_cis(parent_id, per_page="all")
return numfound, result
def _get_cis(self, ips):
response, _, _, _, _, _ = SearchFromDB(
"_type:{},{}:({})".format(self.type_id, IPAddressBuiltinAttributes.IP, ";".join(ips or [])),
count=10000000, parent_node_perm_passed=True).search()
return response
@staticmethod
def _add_relation(parent_id, child_id):
if not parent_id or not child_id:
return
CIRelationManager().add(parent_id, child_id, valid=False, apply_async=False)
@staticmethod
def calc_free_count(subnet_id):
db.session.commit()
q = "{}:(0;2),-{}:true".format(IPAddressBuiltinAttributes.ASSIGN_STATUS, IPAddressBuiltinAttributes.IS_USED)
return len(set(RelationSearch([subnet_id], level=[1], query=q).search(only_ids=True) or []))
def _update_subnet_count(self, subnet_id, assign_count, used_count=None):
payload = {}
cur = CIManager.get_ci_by_id(subnet_id, need_children=False)
if assign_count is not None:
payload[SubnetBuiltinAttributes.ASSIGN_COUNT] = (cur.get(
SubnetBuiltinAttributes.ASSIGN_COUNT) or 0) + assign_count
if used_count is not None:
payload[SubnetBuiltinAttributes.USED_COUNT] = used_count
payload[SubnetBuiltinAttributes.FREE_COUNT] = (cur[SubnetBuiltinAttributes.HOSTS_COUNT] -
self.calc_free_count(subnet_id))
CIManager().update(subnet_id, **payload)
def assign_ips(self, ips, subnet_id, cidr, **kwargs):
"""
:param ips: ip list
:param subnet_id: subnet id
:param cidr: subnet cidr
:param kwargs: other attributes for ip address
:return:
"""
if subnet_id is not None:
subnet = CIManager.get_ci_by_id(subnet_id)
else:
cis, _, _, _, _, _ = SearchFromDB("_type:{},{}:{}".format(
BuiltinModelEnum.IPAM_SUBNET, SubnetBuiltinAttributes.CIDR, cidr),
parent_node_perm_passed=True).search()
if cis:
subnet = cis[0]
subnet_id = subnet['_id']
else:
return abort(400, ErrFormat.ipam_address_model_not_found)
with (redis_lock.Lock(rd.r, "IPAM_ASSIGN_ADDRESS_{}".format(subnet_id))):
cis = self._get_cis(ips)
ip2ci = {ci[IPAddressBuiltinAttributes.IP]: ci for ci in cis}
ci_ids = []
status_change_num = 0
for ip in ips:
kwargs['name'] = ip
kwargs[IPAddressBuiltinAttributes.IP] = ip
if ip not in ip2ci:
ci_id = CIManager.add(self.type_id, _sync=True, **kwargs)
status_change_num += 1
else:
ci_id = ip2ci[ip]['_id']
CIManager().update(ci_id, _sync=True, **kwargs)
if IPAddressBuiltinAttributes.ASSIGN_STATUS in kwargs and (
kwargs[IPAddressBuiltinAttributes.ASSIGN_STATUS] !=
ip2ci[ip].get(IPAddressBuiltinAttributes.ASSIGN_STATUS)):
status_change_num += 1
ci_ids.append(ci_id)
self._add_relation(subnet_id, ci_id)
if ips and IPAddressBuiltinAttributes.ASSIGN_STATUS in kwargs:
self._update_subnet_count(subnet_id, -status_change_num if kwargs.get(
IPAddressBuiltinAttributes.ASSIGN_STATUS) == IPAddressAssignStatus.UNASSIGNED else status_change_num)
if ips and IPAddressBuiltinAttributes.IS_USED in kwargs:
q = "{}:true".format(IPAddressBuiltinAttributes.IS_USED)
cur_used_ids = RelationSearch([subnet_id], level=[1], query=q).search(only_ids=True)
for _id in set(cur_used_ids) - set(ci_ids):
CIManager().update(_id, _sync=True, **{IPAddressBuiltinAttributes.IS_USED: False})
self._update_subnet_count(subnet_id, None, used_count=len(ips))
if kwargs.get(IPAddressBuiltinAttributes.ASSIGN_STATUS) in (
IPAddressAssignStatus.ASSIGNED, IPAddressAssignStatus.RESERVED):
OperateHistoryManager().add(operate_type=OperateTypeEnum.ASSIGN_ADDRESS,
cidr=subnet.get(SubnetBuiltinAttributes.CIDR),
description=" | ".join(ips))
elif kwargs.get(IPAddressBuiltinAttributes.ASSIGN_STATUS) == IPAddressAssignStatus.UNASSIGNED:
OperateHistoryManager().add(operate_type=OperateTypeEnum.REVOKE_ADDRESS,
cidr=subnet.get(SubnetBuiltinAttributes.CIDR),
description=" | ".join(ips))