Add gin tls and code-generator demo (#95)

README.md

@@ -18,6 +18,7 @@ go-learning 适用于有一定 `kubernetes` 经验，且想更进一步的同学
 - [kubernetes 网络分析](./doc/kubernetes/network.md)
 - [kube-proxy 源码分析](./doc/kubernetes/kube-proxy.md)
 - [operator 用法详解](./doc/kubernetes/operator.md)
+- [code-generator](./doc/kubernetes/code-generator.md)
 - [CSI 注册机制源码分析](./doc/kubernetes/csi.md)
 - [cloud-provider-openstack](https://github.com/kubernetes/cloud-provider-openstack)
 

doc/kubernetes/code-generator.md

@@ -0,0 +1,42 @@
+# code-generator
+
+- deepcopy-gen: 生成深度拷贝方法，为每个 T 类型生成 func (t* T) DeepCopy() *T 方法，API 类型都需要实现深拷贝
+- client-gen: 为资源生成标准的 clientset
+- informer-gen: 生成 informer，提供事件机制来响应资源的事件
+- lister-gen: 生成 Lister，为 get 和 list 请求提供只读缓存层（通过 indexer 获取）
+
+```shell
+git clone https://github.com/kubernetes/code-generator.git
+git checkout v0.24.9
+```
+
+```shell
+# 进行安装
+go install ./cmd/{client-gen,deepcopy-gen,informer-gen,lister-gen}
+```
+
+```shell
+# 验证安装
+client-gen -h
+```
+
+```shell
+代码结构可以参考 
+https://github.com/kubernetes/sample-controller
+```
+
+```shell
+$ mkdir test && cd test
+$ go mod init test
+$ mkdir -p pkg/apis/example.com/v1
+➜ test tree
+├── go.mod
+├── go.sum
+└── pkg
+    └── apis
+        └── example.com
+            └── v1
+                ├── doc.go
+                ├── register.go
+                └── types.go
+```

practise/gin-practise/tls/README.md

@@ -0,0 +1,16 @@
+# How to Test
+
+## Generate RSA private key and digital certificate
+
+## Starting server with tls
+```shell
+go run main.go
+```
+
+## Curl with cert
+```shell
+curl --cacert ./cert/tls.crt https://127.0.0.1:443/welcome
+
+# 正常回显
+{"status":"success"}
+```

practise/gin-practise/tls/cert/tls.crt

@@ -0,0 +1,3 @@
+-----BEGIN CERTIFICATE-----
+...
+-----END CERTIFICATE-----

practise/gin-practise/tls/cert/tls.key

@@ -0,0 +1,3 @@
+-----BEGIN PRIVATE KEY-----
+...
+-----END PRIVATE KEY-----

practise/gin-practise/tls/main.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	r := gin.Default()
+	r.GET("/welcome", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{
+			"status": "success",
+		})
+	})
+
+	r.RunTLS(":443", "./cert/tls.crt", "./cert/tls.key")
+}