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EdgeAPI/internal/installers/queue.go

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package installers
import (
"errors"
"fmt"
"github.com/TeaOSLab/EdgeAPI/internal/db/models"
"github.com/TeaOSLab/EdgeAPI/internal/utils"
"github.com/TeaOSLab/EdgeAPI/internal/utils/numberutils"
"github.com/iwind/TeaGo/logs"
"time"
)
var sharedQueue = NewQueue()
type Queue struct {
}
func NewQueue() *Queue {
return &Queue{}
}
func SharedQueue() *Queue {
return sharedQueue
}
// 安装边缘节点流程控制
func (this *Queue) InstallNodeProcess(nodeId int64) error {
installStatus := models.NewNodeInstallStatus()
installStatus.IsRunning = true
installStatus.UpdatedAt = time.Now().Unix()
err := models.SharedNodeDAO.UpdateNodeInstallStatus(nodeId, installStatus)
if err != nil {
return err
}
// 更新时间
ticker := utils.NewTicker(3 * time.Second)
go func() {
for ticker.Wait() {
installStatus.UpdatedAt = time.Now().Unix()
err := models.SharedNodeDAO.UpdateNodeInstallStatus(nodeId, installStatus)
if err != nil {
logs.Println("[INSTALL]" + err.Error())
continue
}
}
}()
defer func() {
ticker.Stop()
}()
// 开始安装
err = this.InstallNode(nodeId, installStatus)
// 安装结束
installStatus.IsRunning = false
installStatus.IsFinished = true
if err != nil {
installStatus.Error = err.Error()
} else {
installStatus.IsOk = true
}
err = models.SharedNodeDAO.UpdateNodeInstallStatus(nodeId, installStatus)
if err != nil {
return err
}
// 修改为已安装
if installStatus.IsOk {
err = models.SharedNodeDAO.UpdateNodeIsInstalled(nodeId, true)
if err != nil {
return err
}
}
return nil
}
// 安装边缘节点
func (this *Queue) InstallNode(nodeId int64, installStatus *models.NodeInstallStatus) error {
node, err := models.SharedNodeDAO.FindEnabledNode(nodeId)
if err != nil {
return err
}
if node == nil {
return errors.New("can not find node, ID'" + numberutils.FormatInt64(nodeId) + "'")
}
// 登录信息
login, err := models.SharedNodeLoginDAO.FindEnabledNodeLoginWithNodeId(nodeId)
if err != nil {
return err
}
if login == nil {
installStatus.ErrorCode = "EMPTY_LOGIN"
return errors.New("can not find node login information")
}
loginParams, err := login.DecodeSSHParams()
if err != nil {
return err
}
if len(loginParams.Host) == 0 {
installStatus.ErrorCode = "EMPTY_SSH_HOST"
return errors.New("ssh host should not be empty")
}
if loginParams.Port <= 0 {
installStatus.ErrorCode = "EMPTY_SSH_PORT"
return errors.New("ssh port is invalid")
}
if loginParams.GrantId == 0 {
// 从集群中读取
grantId, err := models.SharedNodeClusterDAO.FindClusterGrantId(int64(node.ClusterId))
if err != nil {
return err
}
if grantId == 0 {
installStatus.ErrorCode = "EMPTY_GRANT"
return errors.New("can not find node grant")
}
loginParams.GrantId = grantId
}
grant, err := models.SharedNodeGrantDAO.FindEnabledNodeGrant(loginParams.GrantId)
if err != nil {
return err
}
if grant == nil {
installStatus.ErrorCode = "EMPTY_GRANT"
return errors.New("can not find user grant with id '" + numberutils.FormatInt64(loginParams.GrantId) + "'")
}
// 安装目录
installDir := node.InstallDir
if len(installDir) == 0 {
clusterId := node.ClusterId
cluster, err := models.SharedNodeClusterDAO.FindEnabledNodeCluster(int64(clusterId))
if err != nil {
return err
}
if cluster == nil {
return errors.New("can not find cluster, ID'" + fmt.Sprintf("%d", clusterId) + "'")
}
installDir = cluster.InstallDir
if len(installDir) == 0 {
// 默认是 $登录用户/edge-node
installDir = "/" + grant.Username + "/edge-node"
}
}
// API终端
apiNodes, err := models.SharedAPINodeDAO.FindAllEnabledAndOnAPINodes()
if err != nil {
return err
}
if len(apiNodes) == 0 {
return errors.New("no available api nodes")
}
apiEndpoints := []string{}
for _, apiNode := range apiNodes {
addrConfigs, err := apiNode.DecodeAccessAddrs()
if err != nil {
return errors.New("decode api node access addresses failed: " + err.Error())
}
for _, addrConfig := range addrConfigs {
apiEndpoints = append(apiEndpoints, addrConfig.FullAddresses()...)
}
}
params := &NodeParams{
Endpoints: apiEndpoints,
NodeId: node.UniqueId,
Secret: node.Secret,
}
installer := &NodeInstaller{}
err = installer.Login(&Credentials{
Host: loginParams.Host,
Port: loginParams.Port,
Username: grant.Username,
Password: grant.Password,
PrivateKey: grant.PrivateKey,
})
if err != nil {
return err
}
err = installer.Install(installDir, params, installStatus)
return err
}
// 启动边缘节点
func (this *Queue) StartNode(nodeId int64) error {
node, err := models.SharedNodeDAO.FindEnabledNode(nodeId)
if err != nil {
return err
}
if node == nil {
return errors.New("can not find node, ID'" + numberutils.FormatInt64(nodeId) + "'")
}
// 登录信息
login, err := models.SharedNodeLoginDAO.FindEnabledNodeLoginWithNodeId(nodeId)
if err != nil {
return err
}
if login == nil {
return errors.New("can not find node login information")
}
loginParams, err := login.DecodeSSHParams()
if err != nil {
return err
}
if len(loginParams.Host) == 0 {
return errors.New("ssh host should not be empty")
}
if loginParams.Port <= 0 {
return errors.New("ssh port is invalid")
}
if loginParams.GrantId == 0 {
// 从集群中读取
grantId, err := models.SharedNodeClusterDAO.FindClusterGrantId(int64(node.ClusterId))
if err != nil {
return err
}
if grantId == 0 {
return errors.New("can not find node grant")
}
loginParams.GrantId = grantId
}
grant, err := models.SharedNodeGrantDAO.FindEnabledNodeGrant(loginParams.GrantId)
if err != nil {
return err
}
if grant == nil {
return errors.New("can not find user grant with id '" + numberutils.FormatInt64(loginParams.GrantId) + "'")
}
// 安装目录
installDir := node.InstallDir
if len(installDir) == 0 {
clusterId := node.ClusterId
cluster, err := models.SharedNodeClusterDAO.FindEnabledNodeCluster(int64(clusterId))
if err != nil {
return err
}
if cluster == nil {
return errors.New("can not find cluster, ID'" + fmt.Sprintf("%d", clusterId) + "'")
}
installDir = cluster.InstallDir
if len(installDir) == 0 {
// 默认是 $登录用户/edge-node
installDir = "/" + grant.Username + "/edge-node"
}
}
installer := &NodeInstaller{}
err = installer.Login(&Credentials{
Host: loginParams.Host,
Port: loginParams.Port,
Username: grant.Username,
Password: grant.Password,
PrivateKey: grant.PrivateKey,
})
if err != nil {
return err
}
// 检查命令是否存在
exeFile := installDir + "/edge-node/bin/edge-node"
_, err = installer.client.Stat(exeFile)
if err != nil {
return errors.New("edge node is not installed correctly, can not find executable file: " + exeFile)
}
_, stderr, err := installer.client.Exec(exeFile + " start")
if err != nil {
return errors.New("start failed: " + err.Error())
}
if len(stderr) > 0 {
return errors.New("start failed: " + stderr)
}
return nil
}
// 停止节点
func (this *Queue) StopNode(nodeId int64) error {
node, err := models.SharedNodeDAO.FindEnabledNode(nodeId)
if err != nil {
return err
}
if node == nil {
return errors.New("can not find node, ID'" + numberutils.FormatInt64(nodeId) + "'")
}
// 登录信息
login, err := models.SharedNodeLoginDAO.FindEnabledNodeLoginWithNodeId(nodeId)
if err != nil {
return err
}
if login == nil {
return errors.New("can not find node login information")
}
loginParams, err := login.DecodeSSHParams()
if err != nil {
return err
}
if len(loginParams.Host) == 0 {
return errors.New("ssh host should not be empty")
}
if loginParams.Port <= 0 {
return errors.New("ssh port is invalid")
}
if loginParams.GrantId == 0 {
// 从集群中读取
grantId, err := models.SharedNodeClusterDAO.FindClusterGrantId(int64(node.ClusterId))
if err != nil {
return err
}
if grantId == 0 {
return errors.New("can not find node grant")
}
loginParams.GrantId = grantId
}
grant, err := models.SharedNodeGrantDAO.FindEnabledNodeGrant(loginParams.GrantId)
if err != nil {
return err
}
if grant == nil {
return errors.New("can not find user grant with id '" + numberutils.FormatInt64(loginParams.GrantId) + "'")
}
// 安装目录
installDir := node.InstallDir
if len(installDir) == 0 {
clusterId := node.ClusterId
cluster, err := models.SharedNodeClusterDAO.FindEnabledNodeCluster(int64(clusterId))
if err != nil {
return err
}
if cluster == nil {
return errors.New("can not find cluster, ID'" + fmt.Sprintf("%d", clusterId) + "'")
}
installDir = cluster.InstallDir
if len(installDir) == 0 {
// 默认是 $登录用户/edge-node
installDir = "/" + grant.Username + "/edge-node"
}
}
installer := &NodeInstaller{}
err = installer.Login(&Credentials{
Host: loginParams.Host,
Port: loginParams.Port,
Username: grant.Username,
Password: grant.Password,
PrivateKey: grant.PrivateKey,
})
if err != nil {
return err
}
// 检查命令是否存在
exeFile := installDir + "/edge-node/bin/edge-node"
_, err = installer.client.Stat(exeFile)
if err != nil {
return errors.New("edge node is not installed correctly, can not find executable file: " + exeFile)
}
_, stderr, err := installer.client.Exec(exeFile + " stop")
if err != nil {
return errors.New("start failed: " + err.Error())
}
if len(stderr) > 0 {
return errors.New("start failed: " + stderr)
}
return nil
}