ai/models/servers.go

package models

import (
	"encoding/json"
	"fmt"
	"main/configs"

	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common"
	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors"
	"github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/profile"
	cvm "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm/v20170312"
)

type ServerList struct {
	Total  int      `json:"total"`
	List   []Server `json:"list"`
	Config struct {
		TencentCloud struct {
			SecretId  string `yaml:"SecretId"`
			SecretKey string `yaml:"SecretKey"`
			Region    string `yaml:"Region"`
		} `yaml:"TencentCloud"`
	} `json:"-"`
}

// 獲取服務器列表
func (servers *ServerList) Read() error {
	// 從數據庫中獲取全部服務器列表
	configs.ORMDB().Find(&servers.List)

	// 打印現有的服務器列表
	for _, server := range servers.List {
		fmt.Println(server)
	}

	// 如果一個服務器都沒有, 提示
	if len(servers.List) == 0 {
		fmt.Println("記錄的服務器列表為空")
	}

	// 從騰訊雲API獲取服務器列表
	client, err := cvm.NewClient(common.NewCredential(servers.Config.TencentCloud.SecretId, servers.Config.TencentCloud.SecretKey), servers.Config.TencentCloud.Region, profile.NewClientProfile())
	if err != nil {
		return fmt.Errorf("初始化騰訊雲SDK客戶端失敗: %v", err)
	}

	// 实例化一个请求对象,每个接口都会对应一个request对象
	request := cvm.NewDescribeInstancesRequest()
	response, err := client.DescribeInstances(request)
	if _, ok := err.(*errors.TencentCloudSDKError); ok {
		return fmt.Errorf("已返回 API 错误: %v", err)
	}
	if err != nil {
		return fmt.Errorf("运行实例失败: %v", err)
	}

	for _, instance := range response.Response.InstanceSet {
		var server Server
		server.ID = *instance.InstanceId
		server.Name = *instance.InstanceName
		server.IP = *instance.PublicIpAddresses[0]
		server.Port = 7890
		server.Status = "初始化"
		servers.List = append(servers.List, server)
	}

	if len(response.Response.InstanceSet) == 0 {
		fmt.Println("服務器列表為空")
		return nil
	}

	return nil
}

// 通過腾讯云API創建服務器
func (servers *ServerList) Create() (server Server, err error) {
	client, err := cvm.NewClient(common.NewCredential(servers.Config.TencentCloud.SecretId, servers.Config.TencentCloud.SecretKey), servers.Config.TencentCloud.Region, profile.NewClientProfile())
	if err != nil {
		return server, fmt.Errorf("初始化騰訊雲SDK客戶端失敗: %v", err)
	}
	// 实例化一个请求对象, 指定啓動模板, 以創建指定規格的服務器
	request := cvm.NewRunInstancesRequest()
	request.LaunchTemplate = &cvm.LaunchTemplate{LaunchTemplateId: common.StringPtr("lt-ks6y5evh")}
	response, err := client.RunInstances(request)
	if _, ok := err.(*errors.TencentCloudSDKError); ok {
		return server, fmt.Errorf("已返回 API 错误: %v", err)
	}
	if err != nil {
		return server, fmt.Errorf("运行实例失败: %v", err)
	}

	fmt.Println("創建服務器成功:", response.Response.InstanceIdSet[0])

	request2 := cvm.NewDescribeInstancesRequest()
	//request2.InstanceIds = []*string{response.Response.InstanceIdSet[0]}
	response2, err := client.DescribeInstances(request2)
	if _, ok := err.(*errors.TencentCloudSDKError); ok {
		return server, fmt.Errorf("已返回 API 错误: %v", err)
	}
	if err != nil {
		return server, fmt.Errorf("獲取實例詳情失敗: %v", err)
	}

	// 縮進格式化打印
	b, _ := json.MarshalIndent(response2.Response.InstanceSet, "", "  ")
	fmt.Println(string(b))

	for _, instance := range response2.Response.InstanceSet {
		if *instance.InstanceId != *response.Response.InstanceIdSet[0] {
			var server Server
			server.ID = *instance.InstanceId
			server.Name = *instance.InstanceName
			server.IP = *instance.PublicIpAddresses[0]
			server.Port = 7890
			server.Status = *instance.InstanceState
			servers.List = append(servers.List, server)
			configs.ORMDB().Create(&server)
			break
		}
	}
	return server, nil
}

// 通過腾讯云API註銷指定的服務器
func (servers *ServerList) Delete(InstanceId string) error {
	client, err := cvm.NewClient(common.NewCredential(servers.Config.TencentCloud.SecretId, servers.Config.TencentCloud.SecretKey), servers.Config.TencentCloud.Region, profile.NewClientProfile())
	if err != nil {
		return fmt.Errorf("初始化騰訊雲SDK客戶端失敗: %v", err)
	}

	// 实例化一个请求对象,每个接口都会对应一个request对象
	request := cvm.NewTerminateInstancesRequest()

	// 指定要註銷的服務器ID
	request.InstanceIds = []*string{common.StringPtr(InstanceId)}

	// 返回的resp是一个TerminateInstancesResponse的实例，与请求对象对应
	response, err := client.TerminateInstances(request)
	if _, ok := err.(*errors.TencentCloudSDKError); ok {
		return fmt.Errorf("已返回 API 错误: %v", err)
	}
	if err != nil {
		return fmt.Errorf("註銷實例失敗: %v", err)
	}

	fmt.Println("註銷服務器成功:", InstanceId, response.Response)

	// 從列表中刪除服務器
	for i, server := range servers.List {
		if server.ID == InstanceId {
			servers.List = append(servers.List[:i], servers.List[i+1:]...)
			break
		}
	}

	return nil
}