June 2021
Intermediate to advanced
335 pages
5h 50m
Chinese
Content preview from Kubernetes编程
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192
｜
第
8
章
8.2
示例：一个披萨店
在本节中，为了学习如何实现自定义
API
服务器，我们会完成一个示例项目：
用自定义
API
服务器实现一个披萨店的
API
。让我们先看一看需求。
我们想在
restaurant.programming-kubernetes.info API
组中创建两种型别：
Topping
披萨配料。例如
,
意大利腊肠（
salami
）、莫泽雷勒干酪（
mozzarella
）或
者番茄（
tomato
）。
Pizza
餐馆提供的披萨类型。
配料是集群范围的资源，并且只有一个浮点类型的值，表示每份配料的成本。
这是一个简单的例子：
apiVersion: restaurant.programming-kubernetes.info/v1alpha1
kind: Topping
metadata:
name: mozzarella
spec:
cost: 1.0
每个披萨上可以搭配任意多种配料，例如：
apiVersion: restaurant.programming-kubernetes.info/v1alpha1
kind: Pizza
metadata:
name: margherita
spec:
toppings:
- mozzarella
- tomato
配料的列表是有序的（正如
YAML
或者
JSON
中的列表），但是这个顺序并
不会影响这种类型的语义。不管顺序如何，客户都会得到相同的披萨。我们
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