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O'Reilly Platform
book
可编程网络自动化
by
Jason Edelman
,
Scott S. Lowe
,
Matt Oswalt
January 2023
Intermediate to advanced
458 pages
14h 16m
Chinese
Posts & Telecom Press
Content preview from
可编程网络自动化
350
|
第
9
章
9.3.7
Salt
小结
本书介绍了一些初用
Salt
进行网络自动化时需要注意的重要话题。
Salt
最棒的属性之一就
是
SLS
文件的使用
。记住,你可以完全控制
SLS
数据文件的写法,从使用
Jinja
和
YAML
(默认选项)到使用
Mako
和
HJSON
,再到添加新的或自定义的模板语言
,甚至是数据格
式。这允许在维护
Salt
的使
用的同时根据环境需求扩展其功能,无须依赖官方的代码库。
Salt
的另一大好处是使用代理
minion
。有了
Salt
,你就拥有了在代理
minion
之间分发负载
的原生能力,这使其成为大型分布式网络的绝佳选择。
9.4
使用
StackStorm
实现事件驱动网络自动化
StackStorm
是一个开源软件项目,提供了灵活的事件驱动网络自动化。我们经常会将
StackStorm
与本章
中的一些其他工具混为一谈,但它其实并不是为了取代现有的配置管理
工具而构建的。例如,
StackStorm
中的许多流行的工作流实际上要利用
Ansible
等工具来
执行配置管理任务。
思考
StackStorm
的最佳方式是
,它填补了配置管理(或者通用自动化)和监控之间的最佳
位置。它的目的是提供一组原语(
primitive
)
,允许用户描述如何应对某些事件。因此,可
以将
StackStorm
视为
IT
基础设施的
IFTTT
(
if-this-then-that
)。
在
IT
的众多领域
,通常采用手动方式应对问题或中断。自动修复(
auto-remediation
)是
一个非常流行的
StackStorm
用例
,也就是试图在没有任何人工干预的情况下解决问题。当 ...
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Publisher Resources
ISBN: 9787115606181