June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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236
｜
第
8
章
内置的
ObjectTyper
能识别对象，它会检查注册表能否支持请求中传入的对象。
这对创建正确型别的对象非常重要（比如对于“
foo
”资源，只应创建“
Foo
”
类型的资源）。
NameGenerator
显然是用于根据
ObjectMeta.GenerateName
字段来生成对象名
字的。
策略通过对
NamespaceScoped
返回
false
或
true
来表示其支持集群级别或命
名空间级别的资源。
在验证前会对传入的对象调用
PrepareForCreate
方法。
Validate
方法我们在“
8.4.8
验证”中已经看到过了，它是验证函数的入口。
最后，
Canonicalize
方法用于归一化（比如，对对象中包含的切片进行排序）。
8.4.9.3
把策略写入通用注册表
策略对象可以插入一个通用的注册表实例。下面是
GitHub
上我们的自定义
API
服务器中的
REST
存储构造函数：
// NewREST returns a RESTStorage object that will work against API services.
func NewREST(
scheme *runtime.Scheme,
optsGetter generic.RESTOptionsGetter,
) (*registry.REST, error) {
strategy := NewStrategy(scheme)
store := &genericregistry.Store{
NewFunc:
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