mirror of
https://github.com/TeaOSLab/EdgeAPI.git
synced 2025-11-04 16:00:24 +08:00
534 lines
13 KiB
Go
534 lines
13 KiB
Go
package nodes
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import (
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"crypto/tls"
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"errors"
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"fmt"
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"github.com/TeaOSLab/EdgeAPI/internal/accesslogs"
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"github.com/TeaOSLab/EdgeAPI/internal/configs"
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teaconst "github.com/TeaOSLab/EdgeAPI/internal/const"
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"github.com/TeaOSLab/EdgeAPI/internal/db/models"
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"github.com/TeaOSLab/EdgeAPI/internal/events"
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"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
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"github.com/TeaOSLab/EdgeAPI/internal/setup"
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"github.com/TeaOSLab/EdgeAPI/internal/utils"
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"github.com/go-yaml/yaml"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/dbs"
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"github.com/iwind/TeaGo/lists"
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"github.com/iwind/TeaGo/logs"
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"github.com/iwind/TeaGo/maps"
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"github.com/iwind/TeaGo/types"
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stringutil "github.com/iwind/TeaGo/utils/string"
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"github.com/iwind/gosock/pkg/gosock"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"io/ioutil"
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"log"
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"net"
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"os"
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"os/exec"
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"regexp"
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"strconv"
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"sync"
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"time"
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)
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var sharedAPIConfig *configs.APIConfig = nil
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type APINode struct {
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serviceInstanceMap map[string]interface{}
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serviceInstanceLocker sync.Mutex
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sock *gosock.Sock
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}
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func NewAPINode() *APINode {
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return &APINode{
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serviceInstanceMap: map[string]interface{}{},
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sock: gosock.NewTmpSock(teaconst.ProcessName),
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}
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}
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func (this *APINode) Start() {
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logs.Println("[API_NODE]start api node, pid: " + strconv.Itoa(os.Getpid()))
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// 检查数据库连接
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err := this.checkDB()
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if err != nil {
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logs.Println("[API_NODE]" + err.Error())
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return
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}
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// 本地Sock
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err = this.listenSock()
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if err != nil {
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logs.Println("[API_NODE]" + err.Error())
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return
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}
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// 自动升级
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err = this.autoUpgrade()
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if err != nil {
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logs.Println("[API_NODE]auto upgrade failed: " + err.Error())
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return
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}
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// 自动设置数据库
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err = this.setupDB()
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if err != nil {
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logs.Println("[API_NODE]setup database '" + err.Error() + "'")
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// 不阻断执行
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}
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// 数据库通知启动
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dbs.NotifyReady()
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// 读取配置
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config, err := configs.SharedAPIConfig()
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if err != nil {
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logs.Println("[API_NODE]start failed: " + err.Error())
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return
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}
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sharedAPIConfig = config
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// 校验
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apiNode, err := models.SharedAPINodeDAO.FindEnabledAPINodeWithUniqueIdAndSecret(nil, config.NodeId, config.Secret)
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if err != nil {
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logs.Println("[API_NODE]start failed: read api node from database failed: " + err.Error())
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return
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}
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if apiNode == nil {
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logs.Println("[API_NODE]can not start node, wrong 'nodeId' or 'secret'")
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return
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}
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config.SetNumberId(int64(apiNode.Id))
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// 设置rlimit
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_ = utils.SetRLimit(1024 * 1024)
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// 状态变更计时器
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go NewNodeStatusExecutor().Listen()
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// 访问日志存储管理器
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go accesslogs.SharedStorageManager.Start()
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// 监听RPC服务
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remotelogs.Println("API_NODE", "starting RPC server ...")
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isListening := this.listenPorts(apiNode)
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if !isListening {
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remotelogs.Error("API_NODE", "the api node require at least one listening address")
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return
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}
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// 保持进程
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select {}
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}
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// Daemon 实现守护进程
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func (this *APINode) Daemon() {
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path := os.TempDir() + "/edge-api.sock"
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isDebug := lists.ContainsString(os.Args, "debug")
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isDebug = true
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for {
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conn, err := net.DialTimeout("unix", path, 1*time.Second)
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if err != nil {
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if isDebug {
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log.Println("[DAEMON]starting ...")
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}
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// 尝试启动
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err = func() error {
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exe, err := os.Executable()
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if err != nil {
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return err
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}
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cmd := exec.Command(exe)
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err = cmd.Start()
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if err != nil {
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return err
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}
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err = cmd.Wait()
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if err != nil {
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return err
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}
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return nil
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}()
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if err != nil {
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if isDebug {
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log.Println("[DAEMON]", err)
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}
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time.Sleep(1 * time.Second)
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} else {
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time.Sleep(5 * time.Second)
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}
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} else {
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_ = conn.Close()
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time.Sleep(5 * time.Second)
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}
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}
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}
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// InstallSystemService 安装系统服务
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func (this *APINode) InstallSystemService() error {
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shortName := teaconst.SystemdServiceName
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exe, err := os.Executable()
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if err != nil {
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return err
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}
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manager := utils.NewServiceManager(shortName, teaconst.ProductName)
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err = manager.Install(exe, []string{})
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if err != nil {
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return err
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}
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return nil
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}
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// 启动RPC监听
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func (this *APINode) listenRPC(listener net.Listener, tlsConfig *tls.Config) error {
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var rpcServer *grpc.Server
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if tlsConfig == nil {
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remotelogs.Println("API_NODE", "listening GRPC http://"+listener.Addr().String()+" ...")
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rpcServer = grpc.NewServer()
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} else {
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logs.Println("[API_NODE]listening GRPC https://" + listener.Addr().String() + " ...")
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rpcServer = grpc.NewServer(grpc.Creds(credentials.NewTLS(tlsConfig)))
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}
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this.registerServices(rpcServer)
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err := rpcServer.Serve(listener)
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if err != nil {
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return errors.New("[API_NODE]start rpc failed: " + err.Error())
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}
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return nil
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}
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// 检查数据库
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func (this *APINode) checkDB() error {
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logs.Println("[API_NODE]checking database connection ...")
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db, err := dbs.Default()
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if err != nil {
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return err
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}
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maxTries := 600
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for i := 0; i <= maxTries; i++ {
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_, err := db.Exec("SELECT 1")
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if err != nil {
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if i == maxTries-1 {
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return err
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} else {
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if i%10 == 0 { // 这让提示不会太多
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logs.Println("[API_NODE]reconnecting to database (" + fmt.Sprintf("%.1f", float32(i*100)/float32(maxTries+1)) + "%) ...")
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}
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time.Sleep(1 * time.Second)
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}
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} else {
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logs.Println("[API_NODE]database connected")
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return nil
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}
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}
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return nil
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}
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// 自动升级
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func (this *APINode) autoUpgrade() error {
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if Tea.IsTesting() {
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return nil
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}
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// 执行SQL
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config := &dbs.Config{}
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configData, err := ioutil.ReadFile(Tea.ConfigFile("db.yaml"))
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if err != nil {
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return errors.New("read database config file failed: " + err.Error())
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}
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err = yaml.Unmarshal(configData, config)
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if err != nil {
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return errors.New("decode database config failed: " + err.Error())
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}
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dbConfig := config.DBs[Tea.Env]
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db, err := dbs.NewInstanceFromConfig(dbConfig)
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if err != nil {
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return errors.New("load database failed: " + err.Error())
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}
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one, err := db.FindOne("SELECT version FROM edgeVersions LIMIT 1")
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if err != nil {
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return errors.New("query version failed: " + err.Error())
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}
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if one != nil {
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// 如果是同样的版本，则直接认为是最新版本
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version := one.GetString("version")
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if stringutil.VersionCompare(version, teaconst.Version) >= 0 {
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return nil
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}
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}
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// 不使用remotelog()，因为此时还没有启动完成
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logs.Println("[API_NODE]upgrade database starting ...")
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err = setup.NewSQLExecutor(dbConfig).Run(false)
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if err != nil {
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return errors.New("execute sql failed: " + err.Error())
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}
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// 不使用remotelog
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logs.Println("[API_NODE]upgrade database done")
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return nil
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}
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// 自动设置数据库
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func (this *APINode) setupDB() error {
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db, err := dbs.Default()
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if err != nil {
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return err
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}
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// 调整预处理语句数量
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{
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result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='max_prepared_stmt_count'")
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if err != nil {
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return err
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}
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value := result.GetString("Value")
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if regexp.MustCompile(`^\d+$`).MatchString(value) {
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valueInt := types.Int(value)
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if valueInt < 65535 {
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_, err := db.Exec("SET GLOBAL max_prepared_stmt_count=65535")
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if err != nil {
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return errors.New("run 'SET GLOBAL max_prepared_stmt_count' on database failed: " + err.Error() + ", \nyou can change the variable in 'my.cnf': \n~~~\n" + `[mysqld]
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max_prepared_stmt_count=65535
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~~~
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then restart mysqld.`)
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}
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}
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}
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}
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return nil
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}
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// 启动端口
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func (this *APINode) listenPorts(apiNode *models.APINode) (isListening bool) {
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// HTTP
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httpConfig, err := apiNode.DecodeHTTP()
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if err != nil {
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remotelogs.Error("API_NODE", "decode http config: "+err.Error())
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return
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}
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isListening = false
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if httpConfig != nil && httpConfig.IsOn && len(httpConfig.Listen) > 0 {
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for _, listen := range httpConfig.Listen {
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for _, addr := range listen.Addresses() {
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listener, err := net.Listen("tcp", addr)
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if err != nil {
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remotelogs.Error("API_NODE", "listening '"+addr+"' failed: "+err.Error()+", we will try to listen port only")
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// 试着只监听端口
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_, port, err := net.SplitHostPort(addr)
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if err != nil {
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continue
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}
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remotelogs.Println("API_NODE", "retry listening port ':"+port+"' only ...")
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listener, err = net.Listen("tcp", ":"+port)
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if err != nil {
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remotelogs.Error("API_NODE", "listening ':"+port+"' failed: "+err.Error())
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continue
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}
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remotelogs.Println("API_NODE", "retry listening port ':"+port+"' only ok")
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}
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go func() {
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err := this.listenRPC(listener, nil)
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if err != nil {
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remotelogs.Error("API_NODE", "listening '"+addr+"' rpc: "+err.Error())
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return
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}
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}()
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isListening = true
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}
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}
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}
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// HTTPS
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httpsConfig, err := apiNode.DecodeHTTPS(nil, nil)
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if err != nil {
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remotelogs.Error("API_NODE", "decode https config: "+err.Error())
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return
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}
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if httpsConfig != nil &&
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httpsConfig.IsOn &&
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len(httpsConfig.Listen) > 0 &&
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httpsConfig.SSLPolicy != nil &&
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httpsConfig.SSLPolicy.IsOn &&
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len(httpsConfig.SSLPolicy.Certs) > 0 {
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certs := []tls.Certificate{}
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for _, cert := range httpsConfig.SSLPolicy.Certs {
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certs = append(certs, *cert.CertObject())
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}
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for _, listen := range httpsConfig.Listen {
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for _, addr := range listen.Addresses() {
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listener, err := net.Listen("tcp", addr)
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if err != nil {
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remotelogs.Error("API_NODE", "listening '"+addr+"' failed: "+err.Error()+", we will try to listen port only")
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// 试着只监听端口
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_, port, err := net.SplitHostPort(addr)
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if err != nil {
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continue
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}
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remotelogs.Println("API_NODE", "retry listening port ':"+port+"' only ...")
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listener, err = net.Listen("tcp", ":"+port)
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if err != nil {
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remotelogs.Error("API_NODE", "listening ':"+port+"' failed: "+err.Error())
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continue
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}
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remotelogs.Println("API_NODE", "retry listening port ':"+port+"' only ok")
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}
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go func() {
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err := this.listenRPC(listener, &tls.Config{
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Certificates: certs,
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})
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if err != nil {
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remotelogs.Error("API_NODE", "listening '"+addr+"' rpc: "+err.Error())
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return
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}
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}()
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isListening = true
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}
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}
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}
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// Rest HTTP
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restHTTPConfig, err := apiNode.DecodeRestHTTP()
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if err != nil {
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remotelogs.Error("API_NODE", "decode REST http config: "+err.Error())
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return
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}
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if restHTTPConfig != nil && restHTTPConfig.IsOn && len(restHTTPConfig.Listen) > 0 {
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for _, listen := range restHTTPConfig.Listen {
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for _, addr := range listen.Addresses() {
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listener, err := net.Listen("tcp", addr)
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if err != nil {
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remotelogs.Error("API_NODE", "listening REST 'http://"+addr+"' failed: "+err.Error())
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continue
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}
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go func() {
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remotelogs.Println("API_NODE", "listening REST http://"+addr+" ...")
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server := &RestServer{}
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err := server.Listen(listener)
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if err != nil {
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remotelogs.Error("API_NODE", "listening REST 'http://"+addr+"' failed: "+err.Error())
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return
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}
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}()
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isListening = true
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}
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}
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}
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// Rest HTTPS
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restHTTPSConfig, err := apiNode.DecodeRestHTTPS(nil, nil)
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if err != nil {
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remotelogs.Error("API_NODE", "decode REST https config: "+err.Error())
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return
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}
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if restHTTPSConfig != nil &&
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restHTTPSConfig.IsOn &&
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len(restHTTPSConfig.Listen) > 0 &&
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restHTTPSConfig.SSLPolicy != nil &&
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restHTTPSConfig.SSLPolicy.IsOn &&
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len(restHTTPSConfig.SSLPolicy.Certs) > 0 {
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for _, listen := range restHTTPSConfig.Listen {
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for _, addr := range listen.Addresses() {
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listener, err := net.Listen("tcp", addr)
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if err != nil {
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remotelogs.Error("API_NODE", "listening REST 'https://"+addr+"' failed: "+err.Error())
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continue
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}
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go func() {
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remotelogs.Println("API_NODE", "listening REST https://"+addr+" ...")
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server := &RestServer{}
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certs := []tls.Certificate{}
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for _, cert := range httpsConfig.SSLPolicy.Certs {
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certs = append(certs, *cert.CertObject())
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}
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err := server.ListenHTTPS(listener, &tls.Config{
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Certificates: certs,
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})
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if err != nil {
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remotelogs.Error("API_NODE", "listening REST 'https://"+addr+"' failed: "+err.Error())
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return
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}
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}()
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isListening = true
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}
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}
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}
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return
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}
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// 监听本地sock
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func (this *APINode) listenSock() error {
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// 检查是否在运行
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if this.sock.IsListening() {
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reply, err := this.sock.Send(&gosock.Command{Code: "pid"})
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if err == nil {
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return errors.New("error: the process is already running, pid: " + maps.NewMap(reply.Params).GetString("pid"))
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} else {
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return errors.New("error: the process is already running")
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}
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}
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// 启动监听
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go func() {
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this.sock.OnCommand(func(cmd *gosock.Command) {
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switch cmd.Code {
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case "pid":
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_ = cmd.Reply(&gosock.Command{
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Code: "pid",
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Params: map[string]interface{}{
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"pid": os.Getpid(),
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},
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})
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case "info":
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exePath, _ := os.Executable()
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_ = cmd.Reply(&gosock.Command{
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Code: "info",
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Params: map[string]interface{}{
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"pid": os.Getpid(),
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"version": teaconst.Version,
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"path": exePath,
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},
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})
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case "stop":
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_ = cmd.ReplyOk()
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// 退出主进程
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events.Notify(events.EventQuit)
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os.Exit(0)
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}
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})
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err := this.sock.Listen()
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if err != nil {
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logs.Println("API_NODE", err.Error())
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}
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}()
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events.On(events.EventQuit, func() {
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logs.Println("API_NODE", "quit unix sock")
|
|
_ = this.sock.Close()
|
|
})
|
|
|
|
return nil
|
|
}
|