jackyliu
c7f8e69d61
- Implemented Pydantic models for Kubernetes cluster state representation in `cluster.py`. - Created a `Resource` class for converting JSON/dict to Python objects in `resource.py`. - Established user models and services for user management, including password hashing and JWT token generation. - Developed application orchestration services for managing Kubernetes applications, including installation and uninstallation. - Added cluster service for retrieving cluster status and health reports. - Introduced node service for fetching node resource details and health status. - Implemented user service for handling user authentication and management.
71 lines
2.9 KiB
Python
71 lines
2.9 KiB
Python
# service.py
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"""
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Service (服务) 层 - 应用编排。
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负责处理核心业务逻辑（如权限、命名），并调用 DAO 层来执行数据操作。
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"""
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import ulid
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from ocdp.orchestration.cluster import Cluster
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from ocdp.daos.orchestration import application_dao as dao
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from ocdp.models.orchestration.application import (ApplicationTemplate, InstallReceipt, ApplicationStatus,
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InstalledApplicationInstance, UninstallReceipt, NamespaceDeleteReceipt, ApplicationMetadata)
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# ... (list_available_applications, list_user_applications 保持不变) ...
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def list_available_applications(cluster: Cluster) -> list[ApplicationTemplate]:
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"""(Service) 获取所有可供安装的应用模板列表。"""
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return dao.list_application_templates(cluster)
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def list_user_applications(cluster: Cluster, user_id: str) -> list[InstalledApplicationInstance]:
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"""(Service) 获取指定用户已经安装的应用实例列表。"""
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return dao.list_application_instances(cluster, user_id)
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def install_new_application(
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cluster: Cluster,
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user_id: str,
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app_template_name: str,
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mode: str,
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user_overrides: dict | None = None
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) -> InstallReceipt:
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"""
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(Service) 触发一个新应用的安装。
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核心职责：根据业务规则生成唯一的命名空间。
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"""
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# 1. (Service 职责) 获取应用的业务名称，用于构造命名空间
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# 这里通过调用一次 get_application_metadata 来获取，但只为了 application_name
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# DAO 层为了执行任务，也会自己获取一次
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metadata = cluster.get_application_metadata(app_template_name)
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application_name = metadata.get("application_name", app_template_name)
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# 2. (Service 职责) 生成唯一的命名空间
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instance_id = str(ulid.new()).lower()
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namespace = f"{user_id}-{application_name}-{instance_id}"
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# 3. (Service 职责) 将所有参数（包括生成的namespace）传递给 DAO 层执行
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return dao.install_application(
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cluster=cluster,
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namespace=namespace,
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app_template_name=app_template_name,
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mode=mode,
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user_overrides=user_overrides
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)
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def get_instance_status(
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cluster: Cluster,
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namespace: str,
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app_template_name: str,
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mode: str
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) -> ApplicationStatus:
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"""(Service) 获取指定应用实例的详细状态。"""
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return dao.get_application_status(cluster, namespace, app_template_name, mode)
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def uninstall_application_release(
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cluster: Cluster,
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namespace: str,
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app_template_name: str,
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mode: str
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) -> UninstallReceipt:
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"""(Service) 卸载应用实例 (Helm Release)。"""
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return dao.uninstall_application_release(cluster, namespace, app_template_name, mode)
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def delete_application_namespace(cluster: Cluster, namespace: str) -> NamespaceDeleteReceipt:
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"""(Service) 删除应用实例的命名空间。"""
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return dao.delete_namespace(cluster, namespace) |