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feat(redis_migrate): redis migrate 接口实现
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dbm-ui/backend/flow/engine/bamboo/scene/redis/redis_cluster_migrate_compair.py
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# -*- coding: utf-8 -*- | ||
""" | ||
TencentBlueKing is pleased to support the open source community by making 蓝鲸智云-DB管理系统(BlueKing-BK-DBM) available. | ||
Copyright (C) 2017-2023 THL A29 Limited, a Tencent company. All rights reserved. | ||
Licensed under the MIT License (the "License"); you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at https://opensource.org/licenses/MIT | ||
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 logging.config | ||
from collections import defaultdict | ||
from typing import Dict, Optional | ||
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from backend.db_meta import api | ||
from backend.db_meta.models import CLBEntryDetail, Cluster | ||
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logger = logging.getLogger("flow") | ||
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class RedisClusterMigrateCompairFlow(object): | ||
""" | ||
迁移后数据对比 | ||
""" | ||
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def __init__(self, root_id: str, data: Optional[Dict]): | ||
""" | ||
@param root_id : 任务流程定义的root_id | ||
@param data : 单据传递过来的参数列表,是dict格式 | ||
""" | ||
self.root_id = root_id | ||
self.data = data | ||
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def __check(self, data: dict): | ||
for param in data["clusters"]: | ||
# 处理input | ||
input_seg_dict = defaultdict(dict) | ||
input_proxy_list = [] | ||
for backend in param["backends"]: | ||
input_seg_dict[backend["shard"]] = { | ||
"master": "{}:{}".format(backend["nodes"]["master"]["ip"], backend["nodes"]["master"]["port"]), | ||
"slave": "{}:{}".format(backend["nodes"]["slave"]["ip"], backend["nodes"]["slave"]["port"]), | ||
} | ||
for proxy in param["proxies"]: | ||
input_proxy_list.append("{}:{}".format(proxy["ip"], proxy["port"])) | ||
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# 获取db元数据 | ||
domain = param["clusterinfo"]["immute_domain"] | ||
c = Cluster.objects.get(immute_domain=domain) | ||
cluster = api.cluster.nosqlcomm.other.get_cluster_detail(c.id)[0] | ||
db_proxy_list = cluster["twemproxy_set"] | ||
redis_master_set = cluster["redis_master_set"] | ||
redis_slave_set = cluster["redis_slave_set"] | ||
db_seg_dict = defaultdict(dict) | ||
for node_info in redis_master_set: | ||
ins = str.split(node_info, " ")[0] | ||
seg = str.split(node_info, " ")[1] | ||
db_seg_dict[seg]["master"] = ins | ||
for node_info in redis_slave_set: | ||
ins = str.split(node_info, " ")[0] | ||
seg = str.split(node_info, " ")[1] | ||
db_seg_dict[seg]["slave"] = ins | ||
self.__check_machine(input_proxy_list, input_seg_dict, db_proxy_list, db_seg_dict) | ||
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if param["entry"]["clb"]: | ||
clb_ip = cluster["clusterentry_set"]["clbDns"][0] | ||
clb_info = CLBEntryDetail.objects.filter(clb_ip=clb_ip).values()[0] | ||
db_clb = { | ||
"ip": clb_ip, | ||
"id": clb_info["clb_id"], | ||
"listener_id": clb_info["listener_id"], | ||
"region": clb_info["clb_region"], | ||
} | ||
# clb_domain属于域名检查项,不在这里检查 | ||
param["entry"]["clb"].pop("clb_domain", None) | ||
self.__check_dict_info(param["entry"]["clb"], db_clb, "clb info") | ||
if param["entry"]["polairs"]: | ||
polairs_info = cluster["clusterentry_set"]["polaris"][0] | ||
db_polairs = { | ||
"name": polairs_info["polaris_name"], | ||
"l5": polairs_info["polaris_l5"], | ||
"token": polairs_info["polaris_token"], | ||
} | ||
self.__check_dict_info(param["entry"]["polairs"], db_polairs, "polaris info") | ||
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def __check_machine(self, input_proxy_list, input_seg_dict, db_proxy_list, db_seg_dict): | ||
if len(input_proxy_list) != len(db_proxy_list): | ||
raise Exception("proxy num is diff") | ||
input_proxy_list.sort() | ||
db_proxy_list.sort() | ||
for index, proxy_ins in enumerate(input_proxy_list): | ||
if db_proxy_list[index] != proxy_ins: | ||
raise Exception("{} is not in db".format(proxy_ins)) | ||
for seg, ins in input_seg_dict.items(): | ||
if not db_seg_dict.get(seg): | ||
raise Exception("seg[{}] is not exist in db info]".format(seg)) | ||
if ins["master"] != db_seg_dict[seg]["master"]: | ||
raise Exception( | ||
"seg[{}] master is diff. input[{}],db[{}]".format(seg, ins["master"], db_seg_dict[seg]["master"]) | ||
) | ||
if ins["slave"] != db_seg_dict[seg]["slave"]: | ||
raise Exception( | ||
"seg[{}] slave is diff. input[{}],db[{}]".format(seg, ins["slave"], db_seg_dict[seg]["slave"]) | ||
) | ||
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def __check_dict_info(self, input_dict: dict, db_dict: dict, notice): | ||
for k, v in input_dict.items(): | ||
if not db_dict.get(k): | ||
raise Exception("seg[{}] is not exist in db info]".format(k)) | ||
if v != db_dict[k]: | ||
raise Exception("seg[{}] {}. input[{}],db[{}]".format(k, notice, v, db_dict[k])) | ||
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def redis_cluster_migrate_compair(self): | ||
""" | ||
实例列表、seg | ||
主从关系 | ||
proxy列表 | ||
""" | ||
self.__check(self.data) |
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