June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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218
｜
第
8
章
对象发送到
API
服务器或用户从
etcd
中读取旧对象时进行填充。看起来这个
新字段像是早已存在了，但是实际上
API
服务器中是在处理请求时才进行默
认值处理对其进行填充。
8.4.4
编写
API
类型
正如我们所看到的，为了给自定义
API
服务器添加一个
API
，我们需要编写
内部中枢版本类型和外部类型以及它们之间的转换。这就是我们即将在“披
萨示例项目”中看到的。
API
类型一般会放在项目的
pkg/apis/
group-name
包里，内部类型在
pkg/apis/
group-name
/types.go
，外部类型在
pkg/apis/
group-name
/version/types.go
。所以，
在我们的示例程序中，代码会出现在
pkg/apis/restaurant
、
pkg/apis/restaurant/
v1alpha1/types.go
和
pkg/apis/restaurant/v1beta1/types.go
里。
转换相关的代码会在
pkg/apis/
group-name
/version/zz_generated.conversion.
go
文件中（由
conversion-gen
生成），开发者写的自定义转换在
pkg/apis/
group-name
/version/conversion.go
文件中。
与此类似，
defaulter-gen
会生成默认值处理相关的代码，位于
pkg/apis/
group-name
/version/zz_generated.defaults.go
，开发者写的自定义默认值处理 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.