OpenStack oslo 简介

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专栏文章
  1. OpenStack oslo.rootwrap 实现原理
  2. Openstack oslo.privsep 使用介绍
  3. Pecan 使用介绍
  4. Windows 安装 oslo.messaging 依赖问题
  5. OpenStack RPC 远程调用
  6. OpenStack oslo 简介(当前)

oslo(OpenStack Common Libraries)OpenStack 代码的基础模块抽象出来的 python lib 库。

oslo.cache

通用缓存 cache 库

Cache storage for OpenStack projects.

oslo.concurrency

并发库

The oslo concurrency library has utilities for safely running multi-thread, multi-process applications using locking mechanisms and for running external processes.

oslo.context

OpenStack 业务层面封装的请求上下文(context),包含:tenantprojectusertoken

The Oslo context library has helpers to maintain useful information about a request context. The request context is usually populated in the WSGI pipeline and used by various modules such as logging.

oslo.config

OpenStack 配置文件和命令行参数配置库

An OpenStack library for parsing configuration options from the command line and configuration files.

oslo.db

数据库库

The oslo.db (database) handling library, provides database connectivity to different database backends and various other helper utils.

oslo.i18n

The oslo.i18n library contain utilities for working with internationalization (i18n) features, especially translation for text strings in an application or library.

oslo.log

日志库

The oslo.log (logging) configuration library provides standardized configuration for all openstack projects. It also provides custom formatters, handlers and support for context specific logging (like resource id’s etc).

oslo.messaging

OpenStack 实现 RPC 的库,支持各种不同消息队列,常用的消息队列是 rabbitmq,参考:

The Oslo messaging API supports RPC and notifications over a number of different messaging transports.

oslo.middleware

HTTP 中间件

Middlewares can be configured in multiple fashion depending of the application needs.

oslo.policy

OpenStack 基于 RBAC 控制角色权限库

An OpenStack library providing support for RBAC policy enforcement across all OpenStack services.

oslo.privsep

OpenStack 实现的普通用户执行超级权限的库,可以让命令行或 python lib 实现超权。

oslo.privsep is an OpenStack library for privilege separation.

It helps applications perform actions which require more or less privileges than they were started with in a safe, easy to code and easy to use manner. For more information on why this is generally a good idea please read over the principle of least privilege and the specification which created this library.

oslo.reports

oslo.reports library

oslo.rootwrap

oslo.privsep,且已被它替换。

oslo.rootwrap allows fine-grained filtering of shell commands to run as root from OpenStack services.

oslo.serialization

将 OpenStack 对象序列化为可传递或存储字符串

The oslo serialization library provides support for representing objects in transmittable and storable formats, such as JSON and MessagePack.

oslo.service

OpenStack daemon 程序库

oslo.service provides a framework for defining new long-running services using the patterns established by other OpenStack applications. It also includes utilities long-running applications might need for working with SSL or WSGI, performing periodic operations, interacting with systemd, etc.

oslo.tools

Tools is a helper library that provides various low-level utility modules/code.

oslo.utils

工具基础库,包括:编码、异常处理、时间处理

The Oslo utils library provides support for common utility type functions, such as encoding, exception handling, string manipulation, and time handling.

oslo.versionedobjects

rpc 友好的通用版本化对象模型,包括:序列化、字段类型和远程方法调用。

The oslo.versionedobjects library provides a generic versioned object model that is RPC-friendly, with inbuilt serialization, field typing, and remotable method calls. It can be used to define a data model within a project independent of external APIs or database schema for the purposes of providing upgrade compatibility across distributed services.

参考

  1. https://docs.openstack.org/project-team-guide/oslo.html
  2. https://wiki.openstack.org/wiki/Oslo
专栏文章
  1. OpenStack oslo.rootwrap 实现原理
  2. Openstack oslo.privsep 使用介绍
  3. Pecan 使用介绍
  4. Windows 安装 oslo.messaging 依赖问题
  5. OpenStack RPC 远程调用
  6. OpenStack oslo 简介(当前)
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