package cluster
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import (
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"_/E_/git/aps_deploy/src/util"
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"bytes"
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"os"
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"strings"
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"../util"
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)
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type Cluster struct {
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ID string `json:"id"`
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Name string `json:"name"`
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}
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type ClustersResponse struct {
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Data []Cluster `json:"data"`
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}
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type RegistrationTokenResponse struct {
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Command string `json:"command"`
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}
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type NodeCommandResponse struct {
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NodeCommand string `json:"nodeCommand"`
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}
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func CreateRegistrationToken(serverURL, bearerToken, clusterID string) (string, error) {
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url := fmt.Sprintf("%s/v3/clusterregistrationtokens", serverURL)
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payload := strings.NewReader(fmt.Sprintf(`{
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"clusterId": "%s"
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}`, clusterID))
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req, err := http.NewRequest("POST", url, payload)
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if err != nil {
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return "", fmt.Errorf("failed to create registration token request: %v", err)
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", bearerToken))
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req.Header.Set("Content-Type", "application/json")
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client := util.CreateHTTPClient()
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resp, err := client.Do(req)
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if err != nil {
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return "", fmt.Errorf("failed to create registration token: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusCreated {
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return "", fmt.Errorf("failed to create registration token: unexpected status code %d", resp.StatusCode)
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}
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var tokenResp RegistrationTokenResponse
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err = json.NewDecoder(resp.Body).Decode(&tokenResp)
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if err != nil {
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return "", fmt.Errorf("failed to decode registration token response: %v", err)
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}
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return tokenResp.Command, nil
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}
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func GetNodeCommand(serverURL, bearerToken, clusterID string) (string, error) {
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url := fmt.Sprintf("%s/v3/clusterregistrationtokens", serverURL)
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payload := map[string]interface{}{
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"clusterId": clusterID,
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}
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payloadBytes, err := json.Marshal(payload)
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if err != nil {
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return "", fmt.Errorf("failed to marshal payload: %v", err)
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}
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req, err := http.NewRequest("POST", url, bytes.NewReader(payloadBytes))
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if err != nil {
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return "", fmt.Errorf("failed to create node command request: %v", err)
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", bearerToken))
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req.Header.Set("Content-Type", "application/json")
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client := util.CreateHTTPClient()
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resp, err := client.Do(req)
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if err != nil {
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return "", fmt.Errorf("failed to get node command: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusCreated {
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return "", fmt.Errorf("failed to get node command: unexpected status code %d", resp.StatusCode)
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}
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var nodeCommandResponse NodeCommandResponse
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err = json.NewDecoder(resp.Body).Decode(&nodeCommandResponse)
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if err != nil {
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return "", fmt.Errorf("failed to decode node command response: %v", err)
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}
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return nodeCommandResponse.NodeCommand, nil
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}
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func GetClusterID(serverURL, bearerToken, clusterName string) (string, error) {
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url := fmt.Sprintf("%s/v3/clusters", serverURL)
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return "", fmt.Errorf("failed to create cluster list request: %v", err)
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", bearerToken))
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client := util.CreateHTTPClient()
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resp, err := client.Do(req)
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if err != nil {
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return "", fmt.Errorf("failed to get cluster list: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return "", fmt.Errorf("failed to get cluster list: unexpected status code %d", resp.StatusCode)
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}
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// Parse the API response
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var clustersResponse ClustersResponse
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err = json.NewDecoder(resp.Body).Decode(&clustersResponse)
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if err != nil {
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return "", fmt.Errorf("failed to decode cluster list response: %v", err)
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}
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// Print cluster names
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for _, cluster := range clustersResponse.Data {
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if cluster.Name == clusterName {
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fmt.Printf("Cluster ID: %s, Name: %s\n", cluster.ID, cluster.Name)
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return cluster.ID, nil
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}
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}
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return "", fmt.Errorf("cluster '%s' not found", clusterName)
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}
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type Node struct {
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ClusterName string `json:"clusterName"`
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Roles []string `json:"roles"`
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IP string `json:"ip"`
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SSHUsername string `json:"sshUsername"`
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SSHPassword string `json:"sshPassword"`
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SSHPort int `json:"sshPort"`
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}
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type RancherConfig struct {
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RancherURL string `json:"rancherURL"`
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BearerToken string `json:"bearerToken"`
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}
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type ClusterCreateRequest struct {
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Name string `json:"name"`
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Driver string `json:"driver"`
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ControlPlaneProvider string `json:"controlPlaneProvider"`
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WorkerNodeProvider string `json:"workerNodeProvider"`
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RancherKubernetesEngineConfig interface{} `json:"rancherKubernetesEngineConfig"`
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// Add other cluster properties as needed
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}
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type ClusterCreateResponse struct {
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ID string `json:"id"`
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Name string `json:"name"`
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// Add other response fields as needed
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}
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func createClusterData(clusterName string) []byte {
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requestBody := ClusterCreateRequest{
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Name: clusterName,
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Driver: "custom",
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ControlPlaneProvider: "external",
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WorkerNodeProvider: "external",
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RancherKubernetesEngineConfig: map[string]interface{}{
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"ignoreDockerVersion": true,
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"kubernetesVersion": "v1.20.15-rancher2-1",
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// Add other RKE config properties as needed
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},
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// Add other cluster properties as needed
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}
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requestBodyBytes, err := json.Marshal(requestBody)
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if err != nil {
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log.Fatalf("Failed to marshal request body: %v", err)
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}
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return requestBodyBytes
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}
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// Deploy Kubernetes roles on a node using SSH
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func Deployk8sRolesOnNode(nodeIP, sshUsername, sshPassword, remoteSSHCommand string, sshPort int, roles []string) error {
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rancherAgentInstalled, err := isRancherAgentInstalled(nodeIP, sshUsername, sshPassword, sshPort)
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if err == nil {
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return nil
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}
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if !rancherAgentInstalled {
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// Add role parameters to nodeCommand
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for _, role := range roles {
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switch role {
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case "etcd":
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remoteSSHCommand += " --etcd"
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case "controlplane":
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remoteSSHCommand += " --controlplane"
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case "worker":
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remoteSSHCommand += " --worker"
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default:
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log.Fatalf("invalid role specified : %s", role)
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}
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}
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_, err := sshExec(nodeIP, sshUsername, sshPassword, remoteSSHCommand, sshPort)
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if err != nil {
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return fmt.Errorf("failed to deploy Kubernetes roles on the remote server: %v", err)
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}
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return nil
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}
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}
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func IsRancherInstalled(ip, username, password string, sshPort int) (bool, error) {
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// 检查Rancher容器是否已运行
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checkRancherCommand := "sudo docker ps --format '{{.Image}}' | grep -q rancher/rancher:v2.5.17"
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_, err := sshExec(ip, username, password, checkRancherCommand, sshPort)
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if err != nil {
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// 如果执行命令出错，则说明Rancher未安装或发生其他错误
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return false, fmt.Errorf("failed to check Rancher installation: %v", err)
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}
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return true, nil
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}
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func IsRancherAgentInstalled(ip, username, password string, sshPort int) (bool, error) {
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// 检查Rancher容器是否已运行
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checkRancherCommand := "sudo docker ps --format '{{.Image}}' | grep -q rancher/rancher-agent:v2.5."
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_, err := sshExec(ip, username, password, checkRancherCommand, sshPort)
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if err != nil {
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// 如果执行命令出错，则说明Rancher未安装或发生其他错误
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return false, fmt.Errorf("failed to check Rancher installation: %v", err)
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}
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return true, nil
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}
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func CreateCluster(rancherConfig RancherConfig, clusterName string) error {
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requestBody := createClusterData(clusterName)
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url := fmt.Sprintf("%s/v3/clusters", rancherConfig.RancherURL)
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req, err := http.NewRequest("POST", url, bytes.NewBuffer(requestBody))
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if err != nil {
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return fmt.Errorf("Failed to create HTTP request: %v", err)
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", rancherConfig.BearerToken))
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req.Header.Set("Content-Type", "application/json")
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client := util.CreateHTTPClient()
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resp, err := client.Do(req)
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if err != nil {
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return fmt.Errorf("Failed to send HTTP request: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusCreated {
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return fmt.Errorf("Failed to create cluster, status code: %d", resp.StatusCode)
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}
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var responseBody ClusterCreateResponse
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err = json.NewDecoder(resp.Body).Decode(&responseBody)
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if err != nil {
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return fmt.Errorf("Failed to decode response body: %v", err)
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}
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fmt.Printf("Cluster created: ID=%s, Name=%s\n", responseBody.ID, responseBody.Name)
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return nil
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}
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func main() {
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clusterName := "kubernetus"
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nodes := []Node{
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{
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ClusterName: clusterName,
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Roles: []string{"etcd", "controlplane", "worker"},
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IP: "192.168.20.189",
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SSHUsername: "basic",
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SSHPassword: "123",
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SSHPort: 22,
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},
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{
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ClusterName: clusterName,
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Roles: []string{"worker"},
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IP: "192.168.20.10",
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SSHUsername: "basic",
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SSHPassword: "123",
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SSHPort: 22,
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},
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{
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ClusterName: clusterName,
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Roles: []string{"worker"},
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IP: "192.168.20.115",
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SSHUsername: "basic",
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SSHPassword: "alien123",
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SSHPort: 22,
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},
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// Add more nodes here if needed
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}
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// Create the cluster
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// Rancher configuration
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/*rancherConfig := RancherConfig{
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RancherURL: "https://192.168.20.119:8443",
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BearerToken: "token-nnrsc:w68zdt8s47fnpjd5xqdl5hhzpz4j2d56kt5nx49nsswcbpdzc28kh5",
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}*/
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rancherConfig := RancherConfig{
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RancherURL: "https://192.168.20.189:8443",
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BearerToken: "token-t4cdf:h7zhmbvbzdvd9mmjw8zmt8rh4m7rl5gtqpqljlhl9tlr2z26j9lf4l",
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}
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// Deploy clusterId
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clusterID, err := GetClusterID(rancherConfig.RancherURL, rancherConfig.BearerToken, clusterName)
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if err != nil {
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log.Fatal(err)
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err = CreateCluster(rancherConfig, clusterName)
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if err != nil {
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log.Fatalf("Failed to create cluster: %v", err)
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}
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fmt.Printf("Cluster created: %s\n", clusterName)
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clusterID, err = GetClusterID(rancherConfig.RancherURL, rancherConfig.BearerToken, clusterName)
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if err != nil {
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log.Fatal(err)
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}
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}
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fmt.Println(clusterID)
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// Deploy nodeCommand
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nodeCommand, err := GetNodeCommand(rancherConfig.RancherURL, rancherConfig.BearerToken, clusterID)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(nodeCommand)
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for _, node := range nodes {
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//Deploy Docker on each node
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err = util.InstallDocker(node.IP, node.SSHUsername, node.SSHPassword, node.SSHPort)
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if err != nil {
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log.Fatal(err)
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}
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// Deploy Kubectl on each node
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err = util.InstallKubectl(node.IP, node.SSHUsername, node.SSHPassword, node.SSHPort)
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if err != nil {
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log.Fatal(err)
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}
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// Deploy Kubernetes roles on each node
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err = Deployk8sRolesOnNode(node.IP, node.SSHUsername, node.SSHPassword, nodeCommand, node.SSHPort, node.Roles)
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if err != nil {
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log.Fatal(err)
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}
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}
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os.Exit(0)
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}
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