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fix(mysql): 优化proxy替换流程 TencentBlueKing#8165
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102
dbm-ui/backend/flow/plugins/components/collections/mysql/clone_proxy_client_in_backend.py
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| @@ -0,0 +1,102 @@ | ||
| """ | ||
| 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. | ||
| """ | ||
|
|
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| import logging | ||
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|
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| from django.utils.translation import ugettext as _ | ||
| from pipeline.component_framework.component import Component | ||
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| from backend.components import DRSApi | ||
| from backend.db_meta.exceptions import ClusterNotExistException | ||
| from backend.db_meta.models import Cluster, StorageInstance | ||
| from backend.flow.plugins.components.collections.common.base_service import BaseService | ||
| from backend.flow.plugins.components.collections.mysql.drop_proxy_client_in_backend import ( | ||
| DropProxyUsersInBackendService, | ||
| ) | ||
| from backend.flow.utils.mysql.mysql_commom_query import show_privilege_for_user | ||
|
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| logger = logging.getLogger("flow") | ||
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| class CloneProxyUsersInBackendService(BaseService): | ||
| """ | ||
| 在集群内,根据旧proxy权限，克隆一份对新proxy的权限。proxy替换和添加单据调用 | ||
| 操作步骤： | ||
| 1: 先处理新proxy在集群所有backend节点的残留权限，避免冲突。因为理论上新proxy的授权出现在集群上 | ||
| 2：根据旧proxy的授权模式，给新proxy授权一份 | ||
| """ | ||
|
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| @staticmethod | ||
| def clone_proxy_client(origin_proxy_host: str, target_proxy_host: str, backend: StorageInstance, cluster: Cluster): | ||
| """ | ||
| 克隆proxy权限 | ||
| """ | ||
| result, grant_sqls = show_privilege_for_user( | ||
| host=origin_proxy_host, instance=backend, db_version=cluster.major_version | ||
| ) | ||
| if not result: | ||
| return f"[{backend.ip_port}] show proxy client[{origin_proxy_host}] failed" | ||
|
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| # 执行授权 | ||
| res = DRSApi.rpc( | ||
| { | ||
| "addresses": [backend.ip_port], | ||
| "cmds": [i.replace(origin_proxy_host, target_proxy_host, -1) for i in grant_sqls], | ||
| "force": False, | ||
| "bk_cloud_id": backend.machine.bk_cloud_id, | ||
| } | ||
| ) | ||
| if res["error_msg"]: | ||
| return f"[{backend.ip_port}] clone proxy client[{target_proxy_host}] failed: [{res['error_msg']}]" | ||
|
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| return "" | ||
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| def _execute(self, data, parent_data, callback=None) -> bool: | ||
| kwargs = data.get_one_of_inputs("kwargs") | ||
| global_data = data.get_one_of_inputs("global_data") | ||
| try: | ||
| cluster = Cluster.objects.get(id=kwargs["cluster_id"]) | ||
| except Cluster.DoesNotExist: | ||
| raise ClusterNotExistException( | ||
| cluster_id=kwargs["cluster_id"], bk_biz_id=int(global_data["bk_biz_id"]), message=_("集群不存在") | ||
| ) | ||
| err_no = False | ||
| for s in cluster.storageinstance_set.all(): | ||
| # 1： 先处理新proxy在集群所有backend节点的残留权限 | ||
| status, err = DropProxyUsersInBackendService.drop_proxy_client(kwargs["target_proxy_host"], s) | ||
| if not status: | ||
| self.log_error(err) | ||
| err_no = True | ||
| continue | ||
|
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| # 2: 根据旧proxy的授权模式，给新proxy授权一份 | ||
| log = self.clone_proxy_client( | ||
| origin_proxy_host=kwargs["origin_proxy_host"], | ||
| target_proxy_host=kwargs["target_proxy_host"], | ||
| backend=s, | ||
| cluster=cluster, | ||
| ) | ||
| if log: | ||
| self.log_error(log) | ||
| err_no = True | ||
| continue | ||
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| self.log_info(f"[{s.ip_port}]clone proxy client [{kwargs['target_proxy_host']}] successfully") | ||
|
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| if err_no: | ||
| return False | ||
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| return True | ||
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| class CloneProxyUsersInBackendComponent(Component): | ||
| name = __name__ | ||
| code = "clone_proxy_client_in_backend" | ||
| bound_service = CloneProxyUsersInBackendService |
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