cmdb/cmdb-api/lib/ci.py

677 lines
26 KiB
Python

# -*- coding:utf-8 -*-
import uuid
import time
import datetime
import json
from flask import current_app
from flask import abort
from sqlalchemy import or_
from extensions import db
from models.ci import CI
from models.ci_relation import CIRelation
from models.ci_type import CITypeAttribute
from models.ci_type import CITypeCache
from models.ci_type import CITypeSpecCache
from models.history import CIAttributeHistory
from models.attribute import CIAttributeCache
from lib.const import TableMap
from lib.const import type_map
from lib.value import AttributeValueManager
from lib.history import CIAttributeHistoryManger
from lib.history import CIRelationHistoryManager
from lib.query_sql import QUERY_HOSTS_NUM_BY_PRODUCT
from lib.query_sql import QUERY_HOSTS_NUM_BY_BU
from lib.query_sql import QUERY_HOSTS_NUM_BY_PROJECT
from lib.query_sql import QUERY_CIS_BY_IDS
from lib.query_sql import QUERY_CIS_BY_VALUE_TABLE
from lib.utils import rd
from tasks.cmdb import ci_cache
from tasks.cmdb import ci_delete
class CIManager(object):
""" manage CI interface
"""
def __init__(self):
pass
def get_ci_by_id(self, ci_id, ret_key="name",
fields=None, need_children=True, use_master=False):
"""@params: `ret_key` is one of 'name', 'id', 'alias'
`fields` is list of attribute name/alias/id
"""
ci = CI.query.get(ci_id) or \
abort(404, "CI {0} is not existed".format(ci_id))
res = dict()
if need_children:
children = self.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.type_name
uniq_key = CIAttributeCache.get(ci_type.uniq_id)
if not fields: # fields are all attributes
attr_ids = db.session.query(CITypeAttribute.attr_id).filter_by(
type_id=ci.type_id)
fields = [CIAttributeCache.get(_.attr_id).attr_name
for _ in attr_ids]
if uniq_key.attr_name not in fields:
fields.append(uniq_key.attr_name)
if fields:
value_manager = AttributeValueManager()
_res = value_manager._get_attr_values(
fields, ci_id,
ret_key=ret_key, uniq_key=uniq_key, use_master=use_master)
res.update(_res)
res['_type'] = ci_type.type_id
res['_id'] = ci_id
return res
def get_ci_by_ids(self, ci_id_list, ret_key="name", fields=None):
result = list()
for ci_id in ci_id_list:
res = self.get_ci_by_id(ci_id, ret_key=ret_key, fields=fields)
result.append(res)
return result
def get_children(self, ci_id, ret_key='name', relation_type="contain"):
second_cis = db.session.query(CIRelation.second_ci_id).filter(
CIRelation.first_ci_id == ci_id).filter(or_(
CIRelation.relation_type == relation_type,
CIRelation.relation_type == "deploy"))
second_ci_ids = (second_ci.second_ci_id for second_ci in second_cis)
ci_types = {}
for ci_id in second_ci_ids:
type_id = db.session.query(CI.type_id).filter(
CI.ci_id == ci_id).first().type_id
if type_id not in ci_types:
ci_types[type_id] = [ci_id]
else:
ci_types[type_id].append(ci_id)
res = {}
for type_id in ci_types:
ci_type = CITypeCache.get(type_id)
children = get_cis_by_ids(map(str, ci_types.get(type_id)),
ret_key=ret_key)
res[ci_type.type_name] = children
return res
def get_cis_by_type(self, type_id, ret_key="name", fields="",
page=1, per_page=None):
if per_page is None:
per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
cis = db.session.query(CI.ci_id).filter(CI.type_id == type_id)
numfound = cis.count()
cis = cis.offset((page - 1) * per_page).limit(per_page)
res = list()
ci_ids = [str(ci.ci_id) for ci in cis]
if ci_ids:
res = get_cis_by_ids(ci_ids, ret_key, fields)
return numfound, page, res
def ci_is_exist(self, ci_type, unique_key, unique):
table = TableMap(attr_name=unique_key.attr_name).table
unique = db.session.query(table).filter(
table.attr_id == unique_key.attr_id).filter(
table.value == unique).first()
if unique:
return db.session.query(CI).filter(
CI.ci_id == unique.ci_id).first()
def _delete_ci_by_id(self, ci_id):
db.session.query(CI.ci_id).filter(CI.ci_id == ci_id).delete()
try:
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.error("delete ci is error, {0}".format(str(e)))
def add(self, ci_type_name, exist_policy="replace",
_no_attribute_policy="ignore", **ci_dict):
ci_existed = False
ci_type = CITypeCache.get(ci_type_name) or \
abort(404, "CIType {0} is not existed".format(ci_type_name))
unique_key = CIAttributeCache.get(ci_type.uniq_id) \
or abort(500, 'illegality unique attribute')
unique = ci_dict.get(unique_key.attr_name) \
or abort(500, '{0} missing'.format(unique_key.attr_name))
old_ci = self.ci_is_exist(ci_type, unique_key, unique)
if old_ci is not None:
ci_existed = True
if exist_policy == 'reject':
return abort(500, 'CI is existed')
if old_ci.type_id != ci_type.type_id: # update ci_type
old_ci.type_id = ci_type.type_id
db.session.add(old_ci)
db.session.flush()
ci = old_ci
else:
if exist_policy == 'need':
return abort(404, 'CI {0} not exist'.format(unique))
ci = CI()
ci.type_id = ci_type.type_id
_uuid = uuid.uuid4().hex
ci.uuid = _uuid
ci.created_time = datetime.datetime.now()
db.session.add(ci)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.error('add CI error: {0}'.format(str(e)))
return abort(500, 'add CI error')
value_manager = AttributeValueManager()
histories = list()
for p, v in ci_dict.items():
ret, res = value_manager.add_attr_value(
p, v, ci.ci_id, ci_type,
_no_attribute_policy=_no_attribute_policy,
ci_existed=ci_existed)
if not ret:
db.session.rollback()
if not ci_existed:
self.delete(ci.ci_id)
current_app.logger.info(res)
return abort(500, res)
if res is not None:
histories.append(res)
try:
db.session.commit()
except Exception as e:
current_app.logger.error(str(e))
db.session.rollback()
if not ci_existed: # only add
self.delete(ci.ci_id)
return abort(500, "add CI error")
his_manager = CIAttributeHistoryManger()
his_manager.add(ci.ci_id, histories)
ci_cache.apply_async([ci.ci_id], queue="cmdb_async")
return ci.ci_id
def delete(self, ci_id):
ci = db.session.query(CI).filter(CI.ci_id == ci_id).first()
if ci is not None:
attrs = db.session.query(CITypeAttribute.attr_id).filter(
CITypeAttribute.type_id == ci.type_id).all()
attr_names = []
for attr in attrs:
attr_names.append(CIAttributeCache.get(attr.attr_id).attr_name)
attr_names = set(attr_names)
for attr_name in attr_names:
Table = TableMap(attr_name=attr_name).table
db.session.query(Table).filter(Table.ci_id == ci_id).delete()
db.session.query(CIRelation).filter(
CIRelation.first_ci_id == ci_id).delete()
db.session.query(CIRelation).filter(
CIRelation.second_ci_id == ci_id).delete()
db.session.query(CIAttributeHistory).filter(
CIAttributeHistory.ci_id == ci_id).delete()
db.session.flush()
db.session.delete(ci)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.error("delete CI error, {0}".format(str(e)))
return abort(500, "delete CI error, {0}".format(str(e)))
# TODO: write history
ci_delete.apply_async([ci.ci_id], queue="cmdb_async")
return ci_id
return abort(404, "CI {0} not found".format(ci_id))
def add_heartbeat(self, ci_type, unique):
ci_type = CITypeCache.get(ci_type)
if not ci_type:
return 'error'
uniq_key = CIAttributeCache.get(ci_type.uniq_id)
Table = TableMap(attr_name=uniq_key.attr_name).table
ci_id = db.session.query(Table.ci_id).filter(
Table.attr_id == uniq_key.attr_id).filter(
Table.value == unique).first()
if ci_id is None:
return 'error'
ci = db.session.query(CI).filter(CI.ci_id == ci_id.ci_id).first()
if ci is None:
return 'error'
ci.heartbeat = datetime.datetime.now()
db.session.add(ci)
db.session.commit()
return "ok"
def get_heartbeat(self, page, type_id, agent_status=None):
query = db.session.query(CI.ci_id, CI.heartbeat)
expire = datetime.datetime.now() - datetime.timedelta(minutes=72)
if type_id:
query = query.filter(CI.type_id == type_id)
else:
query = query.filter(db.or_(CI.type_id == 7, CI.type_id == 8))
if agent_status == -1:
query = query.filter(CI.heartbeat == 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.ci_id for ci in cis]
heartbeat_dict = {}
for ci in cis:
if agent_status is not None:
heartbeat_dict[ci.ci_id] = agent_status
else:
if ci.heartbeat is None:
heartbeat_dict[ci.ci_id] = -1
elif ci.heartbeat <= expire:
heartbeat_dict[ci.ci_id] = 0
else:
heartbeat_dict[ci.ci_id] = 1
current_app.logger.debug(heartbeat_dict)
ci_ids = map(str, ci_ids)
res = 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
class CIRelationManager(object):
"""
manage relation between CIs
"""
def __init__(self):
pass
@property
def relation_types(self):
""" all CIType relation types
"""
from lib.const import CI_RELATION_TYPES
return CI_RELATION_TYPES
def get_second_cis(self, first_ci, relation_type="contain",
page=1, per_page=None, **kwargs):
if per_page is None:
per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
second_cis = db.session.query(
CI.ci_id).join(
CIRelation, CIRelation.second_ci_id == CI.ci_id).filter(
CIRelation.first_ci_id == first_ci).filter(
CIRelation.relation_type == relation_type)
if kwargs: # special for devices
second_cis = self._query_wrap_for_device(second_cis, **kwargs)
numfound = second_cis.count()
second_cis = second_cis.offset(
(page - 1) * per_page).limit(per_page).all()
ci_ids = [str(son.ci_id) for son in second_cis]
total = len(ci_ids)
result = get_cis_by_ids(ci_ids)
return numfound, total, result
def get_grandsons(self, ci_id, page=1, per_page=None, **kwargs):
if per_page is None:
per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
children = db.session.query(CIRelation.second_ci_id).filter(
CIRelation.first_ci_id == ci_id).subquery()
grandsons = db.session.query(CIRelation.second_ci_id).join(
children,
children.c.second_ci_id == CIRelation.first_ci_id).subquery()
grandsons = db.session.query(CI.ci_id).join(
grandsons, grandsons.c.second_ci_id == CI.ci_id)
if kwargs:
grandsons = self._query_wrap_for_device(grandsons, **kwargs)
numfound = grandsons.count()
grandsons = grandsons.offset(
(page - 1) * per_page).limit(per_page).all()
if not grandsons:
return 0, 0, []
ci_ids = [str(son.ci_id) for son in grandsons]
total = len(ci_ids)
result = get_cis_by_ids(ci_ids)
return numfound, total, result
def _sort_handler(self, 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 = CIAttributeCache.get(sort_by)
if attr is None:
return query_sql
attr_id = attr.attr_id
Table = TableMap(attr_name=sort_by).table
CI_table = query_sql.subquery()
query_sql = db.session.query(CI_table.c.ci_id, Table.value).join(
Table, Table.ci_id == CI_table.c.ci_id).filter(
Table.attr_id == attr_id).order_by(
getattr(Table.value, sort_type)())
return query_sql
def _query_wrap_for_device(self, query_sql, **kwargs):
_type = kwargs.pop("_type", False) or kwargs.pop("type", False) \
or kwargs.pop("ci_type", False)
if _type:
ci_type = CITypeCache.get(_type)
if ci_type is None:
return
query_sql = query_sql.filter(CI.type_id == ci_type.type_id)
for k, v in kwargs.iteritems():
attr = CIAttributeCache.get(k)
if attr is None:
continue
Table = TableMap(attr_name=k).table
CI_table = query_sql.subquery()
query_sql = db.session.query(CI_table.c.ci_id).join(
Table, Table.ci_id == CI_table.c.ci_id).filter(
Table.attr_id == attr.attr_id).filter(
Table.value.ilike(v.replace("*", "%")))
current_app.logger.debug(query_sql)
sort_by = kwargs.pop("sort", False)
if sort_by:
query_sql = self._sort_handler(sort_by, query_sql)
return query_sql
def get_great_grandsons(self, ci_id, page=1, per_page=None, **kwargs):
if per_page is None:
per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
children = db.session.query(CIRelation.second_ci_id).filter(
CIRelation.first_ci_id == ci_id).subquery()
grandsons = db.session.query(CIRelation.second_ci_id).join(
children,
children.c.second_ci_id == CIRelation.first_ci_id).subquery()
great_grandsons = db.session.query(CIRelation.second_ci_id).join(
grandsons,
grandsons.c.second_ci_id == CIRelation.first_ci_id).subquery()
great_grandsons = db.session.query(CI.ci_id).join(
great_grandsons, great_grandsons.c.second_ci_id == CI.ci_id)
if kwargs:
great_grandsons = self._query_wrap_for_device(
great_grandsons, **kwargs)
if great_grandsons is None:
return 0, 0, []
numfound = great_grandsons.count()
great_grandsons = great_grandsons.offset(
(page - 1) * per_page).limit(per_page).all()
ci_ids = [str(son.ci_id) for son in great_grandsons]
total = len(ci_ids)
result = get_cis_by_ids(ci_ids)
return numfound, total, result
def get_first_cis(self, second_ci, relation_type="contain",
page=1, per_page=None):
"""only for CI Type
"""
if per_page is None:
per_page = current_app.config.get("DEFAULT_PAGE_COUNT")
first_cis = db.session.query(CIRelation.first_ci_id).filter(
CIRelation.second_ci_id == second_ci).filter(
CIRelation.relation_type == relation_type)
numfound = first_cis.count()
first_cis = first_cis.offset(
(page - 1) * per_page).limit(per_page).all()
result = []
first_ci_ids = [str(first_ci.first_ci_id) for first_ci in first_cis]
total = len(first_ci_ids)
if first_ci_ids:
result = get_cis_by_ids(first_ci_ids)
return numfound, total, result
def get_grandfather(self, ci_id, relation_type="contain"):
"""only for CI Type
"""
grandfather = db.session.query(CIRelation.first_ci_id).filter(
CIRelation.second_ci_id.in_(db.session.query(
CIRelation.first_ci_id).filter(
CIRelation.second_ci_id == ci_id).filter(
CIRelation.relation_type == relation_type))).filter(
CIRelation.relation_type == relation_type).first()
if grandfather:
return CIManager().get_ci_by_id(grandfather.first_ci_id,
need_children=False)
def add(self, first_ci, second_ci, more=None, relation_type="contain"):
ci = db.session.query(CI.ci_id).filter(CI.ci_id == first_ci).first()
if ci is None:
return abort(404, "first_ci {0} is not existed".format(first_ci))
c = db.session.query(CI.ci_id).filter(CI.ci_id == second_ci).first()
if c is None:
return abort(404, "second_ci {0} is not existed".format(
second_ci))
existed = db.session.query(CIRelation.cr_id).filter(
CIRelation.first_ci_id == first_ci).filter(
CIRelation.second_ci_id == second_ci).first()
if existed is not None:
return existed.cr_id
cr = CIRelation()
cr.first_ci_id = first_ci
cr.second_ci_id = second_ci
if more is not None:
cr.more = more
cr.relation_type = relation_type
db.session.add(cr)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.error("add CIRelation is error, {0}".format(
str(e)))
return abort(500, "add CIRelation is error, {0}".format(str(e)))
# write history
his_manager = CIRelationHistoryManager()
his_manager.add(cr.cr_id, cr.first_ci_id, cr.second_ci_id,
relation_type, operate_type="add")
return cr.cr_id
def delete(self, cr_id):
cr = db.session.query(CIRelation).filter(
CIRelation.cr_id == cr_id).first()
cr_id = cr.cr_id
first_ci = cr.first_ci_id
second_ci = cr.second_ci_id
if cr is not None:
db.session.delete(cr)
try:
db.session.commit()
except Exception as e:
db.session.rollback()
current_app.logger.error(
"delete CIRelation is error, {0}".format(str(e)))
return abort(
500, "delete CIRelation is error, {0}".format(str(e)))
his_manager = CIRelationHistoryManager()
his_manager.add(cr_id, first_ci, second_ci,
cr.relation_type, operate_type="delete")
return True
return abort(404, "CI relation is not existed")
def delete_2(self, first_ci, second_ci):
cr = db.session.query(CIRelation).filter(
CIRelation.first_ci_id == first_ci).filter(
CIRelation.second_ci_id == second_ci).first()
return self.delete(cr.cr_id)
class HostNumStatis(object):
def __init__(self):
pass
def get_hosts_by_project(self, project_id_list=None):
res = {}
if not project_id_list:
project = CITypeCache.get("project")
projects = db.session.query(CI.ci_id).filter(
CI.type_id == project.type_id).all()
project_id_list = (project.ci_id for project in projects)
project_id_list = map(str, project_id_list)
project_ids = ",".join(project_id_list)
nums = db.session.execute(QUERY_HOSTS_NUM_BY_PROJECT.format(
"".join(["(", project_ids, ")"]))).fetchall()
if nums:
for ci_id in project_id_list:
res[int(ci_id)] = 0
for ci_id, num in nums:
res[ci_id] = num
return res
def get_hosts_by_product(self, product_id_list=None):
res = {}
if not product_id_list:
product = CITypeCache.get("product")
products = db.session.query(CI.ci_id).filter(
CI.type_id == product.type_id).all()
product_id_list = (product.ci_id for product in products)
product_id_list = map(str, product_id_list)
product_ids = ",".join(product_id_list)
nums = db.session.execute(QUERY_HOSTS_NUM_BY_PRODUCT.format(
"".join(["(", product_ids, ")"]))).fetchall()
if nums:
for ci_id in product_id_list:
res[int(ci_id)] = 0
for ci_id, num in nums:
res[ci_id] = num
return res
def get_hosts_by_bu(self, bu_id_list=None):
res = {}
if not bu_id_list:
bu = CITypeCache.get("bu")
bus = db.session.query(CI.ci_id).filter(
CI.type_id == bu.type_id).all()
bu_id_list = (bu.ci_id for bu in bus)
bu_id_list = map(str, bu_id_list)
bu_ids = ",".join(bu_id_list)
current_app.logger.debug(QUERY_HOSTS_NUM_BY_BU.format(
"".join(["(", bu_ids, ")"])))
if not bu_ids:
return res
nums = db.session.execute(
QUERY_HOSTS_NUM_BY_BU.format(
"".join(["(", bu_ids, ")"]))).fetchall()
if nums:
for ci_id in bu_id_list:
res[int(ci_id)] = 0
for ci_id, num in nums:
res[ci_id] = num
return res
def get_cis_by_ids(ci_ids, ret_key="name", fields="", value_tables=None):
""" argument ci_ids are string list of CI instance ID, eg. ['1', '2']
"""
if not ci_ids:
return []
start = time.time()
ci_id_tuple = tuple(map(int, ci_ids))
res = rd.get(ci_id_tuple)
if res is not None and None not in res and ret_key == "name":
res = map(json.loads, res)
if not fields:
return res
else:
_res = []
for d in res:
_d = dict()
_d["_id"], _d["_type"] = d.get("_id"), d.get("_type")
_d["ci_type"] = d.get("ci_type")
for field in fields:
_d[field] = d.get(field)
_res.append(_d)
current_app.logger.debug("filter time: %s" % (time.time() - start))
return _res
current_app.logger.warning("cache not hit...............")
if not fields:
_fields = ""
else:
_fields = list()
for field in fields:
attr = CIAttributeCache.get(field)
if attr is not None:
_fields.append(str(attr.attr_id))
_fields = "WHERE A.attr_id in ({0})".format(",".join(_fields))
ci_ids = ",".join(ci_ids)
if value_tables is None:
value_tables = type_map["table_name"].values()
current_app.logger.debug(value_tables)
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(ci_ids, _fields, value_sql)
current_app.logger.debug(query_sql)
start = time.time()
hosts = db.session.execute(query_sql).fetchall()
current_app.logger.info("get cis time is: {0}".format(
time.time() - start))
ci_list = set()
res = list()
ci_dict = dict()
start = time.time()
for ci_id, type_id, attr_id, attr_name, \
attr_alias, value, value_type, is_multivalue in hosts:
if ci_id not in ci_list:
ci_dict = dict()
ci_type = CITypeSpecCache.get(type_id)
ci_dict["_id"] = ci_id
ci_dict["_type"] = type_id
ci_dict["ci_type"] = ci_type.type_name
ci_dict["ci_type_alias"] = ci_type.type_alias
ci_list.add(ci_id)
res.append(ci_dict)
if ret_key == "name":
if is_multivalue:
if isinstance(ci_dict.get(attr_name), list):
ci_dict[attr_name].append(value)
else:
ci_dict[attr_name] = [value]
else:
ci_dict[attr_name] = value
elif ret_key == "alias":
if is_multivalue:
if isinstance(ci_dict.get(attr_alias), list):
ci_dict[attr_alias].append(value)
else:
ci_dict[attr_alias] = [value]
else:
ci_dict[attr_alias] = value
elif ret_key == "id":
if is_multivalue:
if isinstance(ci_dict.get(attr_id), list):
ci_dict[attr_id].append(value)
else:
ci_dict[attr_id] = [value]
else:
ci_dict[attr_id] = value
current_app.logger.debug("result parser time is: {0}".format(
time.time() - start))
return res