01-基本使用

合集 - 【框架卷】-----------------------------(9)

1.01-基本使用2022-10-19

2.02-Jwt和登录认证2022-10-24 3.03-swagger和接口文档2022-11-08 4.04-websocket链接2022-11-10 5.05-文件下载2022-11-14 6.gin框架使用websocket实现进入容器内部执行命令2023-03-23 7.01-go-micro框架2023-05-11 8.02-crow-han框架快速启动2023-05-16 9.03-crow-han框架实战（以k8s为例）2023-05-18

1. 定义路由服务
2. 定义headers函数
3. main函数调用路由服务
4. 数据返回和错误处理

1. 定义路由服务

我们写一个简单的K8S示例来做完整示例：

 package router
 
import (
	"github.com/gin-gonic/gin"
)
 
func Server()  {
	r := gin.Default()
	//创建一个groupV1组，里边放一个检查存活的接口
	groupV1 := r.Group("/api/v1")
	{
		groupV1.GET("/ping", Ping)
	}
    //在创建一个deployment组，来放置deployment的操作相关接口
    deployment := r.Group("/api/v1/deployment")
    {
		deployment.GET("/list",GetDeploymentList)
		deployment.GET("/",GetDeployment)
		deployment.DELETE("/",DeleteDeployment)
		deployment.POST("/",CreateDeployment)
		deployment.PUT("/image",ApplyDeploymentByImage)
		deployment.PUT("/replicas",ApplyDeploymentByReplicas)
	}
    //启动服务，如果不写端口，默认8080
	r.Run(":1840") 
}

2. 定义headers函数

2.1 Get方法

Query（Params方式）

参数接收示例

 deploymentName := c.Query("deployment_name")

完整代码示例

 func GetDeployment(c *gin.Context)  {
	namespaceName := c.Query("namespace_name")
	deploymentName := c.Query("deployment_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
 
	deploymentInfo,err := service.GetDeployment(clientSet,namespaceName,deploymentName)
	if err != nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
}

说明：(c *gin.Context)必须要传入

postman调用

2.2 Post方法

BindJSON （Body=>raw=>JSON）

定义结构体如下

 type DeploymentQueryParams struct {
	NamespaceName string `json:"namespace_name"`
	DeploymentName string `json:"deployment_name"`
	ImageName string `json:"image_name"`
	PortNum int32 `json:"port_num"`
	Replica int32 `json:"replica"`
}

参数接收示例

 err := c.BindJSON(&deploymentQueryParams)

代码完整示例

 func CreateDeployment(c *gin.Context)  {
	var deploymentQueryParams service.DeploymentQueryParams
	//传参绑定结构体
   err := c.BindJSON(&deploymentQueryParams)
   if err !=nil{
		c.JSON(400, gin.H{"error": err.Error()})
		return
   }
 
	clientSet,err := service.ConnectK8s()
	if err !=nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
 
	deploymentInfo,err := service.CreateSimpleDeployment(clientSet,deploymentQueryParams)
	if err != nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
	fmt.Printf("%+v\n",deploymentInfo)
    c.JSON(200,deploymentInfo)
}

postman调用

PostForm（Body=>form-data）

参数接收示例

 deploymentName := c.PostForm("deployment_name")

完整示例

参见2.3 PUT方法中"PostForm（Body=>form-data）" 部分。

2.3 PUT方法

BindJSON （Body=>raw=>JSON）

参数接收示例

 err := BindJSON(&deploymentQueryParams)

完整代码示例

 func ApplyDeploymentByImage(c *gin.Context)  {
	var deploymentQueryParams service.DeploymentQueryParams
	c.BindJSON(&deploymentQueryParams)
 
	clientSet,err := service.ConnectK8s()
	if err !=nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
 
	deploymentInfo,err := service.ApplyDeploymentByImage(clientSet,deploymentQueryParams.NamespaceName,deploymentQueryParams.DeploymentName,deploymentQueryParams.ImageName)
	if err != nil {
        c.JSON(400, gin.H{"error": err.Error()})
		return
	}
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
}

postman 调用

PostForm（Body=>form-data）

参数接收示例

 deploymentName := c.PostForm("deployment_name")

完整示例

修改一下上例（BindJSON）

 func ApplyDeploymentByImageA(c *gin.Context)  {
	namespaceName := c.PostForm("namespace_name")
	deploymentName := c.PostForm("deployment_name")
	imageName := c.PostForm("image_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}
 
	deploymentInfo,err := service.ApplyDeploymentByImage(clientSet,namespaceName,deploymentName,imageName)
	if err != nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}
	
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
}

2.4 DELETE方法

Query（Params方式）

参数接收示例

 deploymentName := c.Query("deployment_name")

完整示例

 func DeleteDeployment(c *gin.Context)  {
	namespaceName := c.Query("namespace_name")
	deploymentName := c.Query("deployment_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}
 
	err = service.DeleteDeployment(clientSet,namespaceName,deploymentName)
	if err != nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}else {
		c.JSON(200,"删除成功")
	}
}

postman 调用

PostForm（Body=>form-data）

参数接收示例

 deploymentName := c.PostForm("deployment_name")

完整示例

 func DeleteDeployment(c *gin.Context)  {
	namespaceName := c.PostForm("namespace_name")
	deploymentName := c.PostForm("deployment_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}
	err = service.DeleteDeployment(clientSet,namespaceName,deploymentName)
	if err != nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}else {
		c.JSON(200,"删除成功")
	}
}

Param （Path）

因为我们在k8s这个场景下不能一下定位到需要操作的资源，因此并不合适使用该方式，所以就不写完整示例了，只写一个样例：

路由设置

 deployment.PUT("/:uuid",DeleteDeploymentA)

参数接收示例

 uuid := c.Param("uuid")

3. main函数调用路由服务

 func main() {
	router.Server()
}

4. 数据返回和错误处理

返回数据

 c.JSON(200,deploymentInfo)

错误处理

 	if err !=nil {
	    c.JSON(400, gin.H{"error": err.Error()})
		return
	}

示例

见 “2. 定义headers函数”中各示例均可看到：

 func GetDeployment(c *gin.Context)  {
	namespaceName := c.Query("namespace_name")
	deploymentName := c.Query("deployment_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
 
	deploymentInfo,err := service.GetDeployment(clientSet,namespaceName,deploymentName)
	if err != nil {
		c.JSON(400, gin.H{"error": err.Error()})
		return
	}
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
}

posted on 2022-10-19 23:47 运维开发玄德公阅读(14) 评论(0) 编辑收藏举报来源

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01-基本使用

1. 定义路由服务

2. 定义headers函数

2.1 Get方法

Query（Params方式）

2.2 Post方法

BindJSON （Body=>raw=>JSON）

PostForm（Body=>form-data）

2.3 PUT方法

BindJSON （Body=>raw=>JSON）

PostForm（Body=>form-data）

2.4 DELETE方法

Query（Params方式）

PostForm（Body=>form-data）

Param （Path）

3. main函数调用路由服务

4. 数据返回和错误处理

导航

统计

合集

	package router

	import (
	"github.com/gin-gonic/gin"
	)

	func Server() {
	r := gin.Default()
	//创建一个groupV1组，里边放一个检查存活的接口
	groupV1 := r.Group("/api/v1")
	{
	groupV1.GET("/ping", Ping)
	}
	//在创建一个deployment组，来放置deployment的操作相关接口
	deployment := r.Group("/api/v1/deployment")
	{
	deployment.GET("/list",GetDeploymentList)
	deployment.GET("/",GetDeployment)
	deployment.DELETE("/",DeleteDeployment)
	deployment.POST("/",CreateDeployment)
	deployment.PUT("/image",ApplyDeploymentByImage)
	deployment.PUT("/replicas",ApplyDeploymentByReplicas)
	}
	//启动服务，如果不写端口，默认8080
	r.Run(":1840")
	}

	func GetDeployment(c *gin.Context) {
	namespaceName := c.Query("namespace_name")
	deploymentName := c.Query("deployment_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	deploymentInfo,err := service.GetDeployment(clientSet,namespaceName,deploymentName)
	if err != nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
	}

	type DeploymentQueryParams struct {
	NamespaceName string `json:"namespace_name"`
	DeploymentName string `json:"deployment_name"`
	ImageName string `json:"image_name"`
	PortNum int32 `json:"port_num"`
	Replica int32 `json:"replica"`
	}

	func CreateDeployment(c *gin.Context) {
	var deploymentQueryParams service.DeploymentQueryParams
	//传参绑定结构体
	err := c.BindJSON(&deploymentQueryParams)
	if err !=nil{
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	clientSet,err := service.ConnectK8s()
	if err !=nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	deploymentInfo,err := service.CreateSimpleDeployment(clientSet,deploymentQueryParams)
	if err != nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
	}

	func ApplyDeploymentByImage(c *gin.Context) {
	var deploymentQueryParams service.DeploymentQueryParams
	c.BindJSON(&deploymentQueryParams)

	clientSet,err := service.ConnectK8s()
	if err !=nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	deploymentInfo,err := service.ApplyDeploymentByImage(clientSet,deploymentQueryParams.NamespaceName,deploymentQueryParams.DeploymentName,deploymentQueryParams.ImageName)
	if err != nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}
	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
	}

	func ApplyDeploymentByImageA(c *gin.Context) {
	namespaceName := c.PostForm("namespace_name")
	deploymentName := c.PostForm("deployment_name")
	imageName := c.PostForm("image_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	deploymentInfo,err := service.ApplyDeploymentByImage(clientSet,namespaceName,deploymentName,imageName)
	if err != nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	fmt.Printf("%+v\n",deploymentInfo)
	c.JSON(200,deploymentInfo)
	}

	func DeleteDeployment(c *gin.Context) {
	namespaceName := c.Query("namespace_name")
	deploymentName := c.Query("deployment_name")
	clientSet,err := service.ConnectK8s()
	if err !=nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}

	err = service.DeleteDeployment(clientSet,namespaceName,deploymentName)
	if err != nil {
	c.JSON(400, gin.H{"error": err.Error()})
	return
	}else {
	c.JSON(200,"删除成功")
	}
	}