节点可以单独设置所使用的API节点地址

internal/configs/api_config.go

@@ -9,11 +9,15 @@ import (
 // APIConfig 节点API配置
 type APIConfig struct {
 	RPC struct {
-		Endpoints     []string `yaml:"endpoints"`
-		DisableUpdate bool     `yaml:"disableUpdate"`
-	} `yaml:"rpc"`
-	NodeId string `yaml:"nodeId"`
-	Secret string `yaml:"secret"`
+		Endpoints     []string `yaml:"endpoints" json:"endpoints"`
+		DisableUpdate bool     `yaml:"disableUpdate" json:"disableUpdate"`
+	} `yaml:"rpc" json:"rpc"`
+	NodeId string `yaml:"nodeId" json:"nodeId"`
+	Secret string `yaml:"secret" json:"secret"`
+}
+
+func NewAPIConfig() *APIConfig {
+	return &APIConfig{}
 }
 
 func LoadAPIConfig() (*APIConfig, error) {

internal/configs/cluster_config.go

@@ -3,9 +3,9 @@ package configs
 // ClusterConfig 集群配置
 type ClusterConfig struct {
 	RPC struct {
-		Endpoints     []string `yaml:"endpoints"`
-		DisableUpdate bool     `yaml:"disableUpdate"`
-	} `yaml:"rpc"`
-	ClusterId string `yaml:"clusterId"`
-	Secret    string `yaml:"secret"`
+		Endpoints     []string `yaml:"endpoints" json:"endpoints"`
+		DisableUpdate bool     `yaml:"disableUpdate" json:"disableUpdate"`
+	} `yaml:"rpc" json:"rpc"`
+	ClusterId string `yaml:"clusterId" json:"clusterId"`
+	Secret    string `yaml:"secret" json:"secret"`
 }

internal/nodes/node.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"github.com/TeaOSLab/EdgeCommon/pkg/configutils"
 	iplib "github.com/TeaOSLab/EdgeCommon/pkg/iplibrary"
 	"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
@@ -65,6 +66,9 @@ type Node struct {
 
 	updatingServerMap map[int64]*serverconfigs.ServerConfig
 
+	lastAPINodeVersion int64
+	lastAPINodeAddrs   []string // 以前的API节点地址
+
 	lastTaskVersion int64
 }
 
@@ -747,8 +751,8 @@ func (this *Node) checkClusterConfig() error {
 	}
 	var apiConfig = &configs.APIConfig{
 		RPC: struct {
-			Endpoints     []string `yaml:"endpoints"`
-			DisableUpdate bool     `yaml:"disableUpdate"`
+			Endpoints     []string `yaml:"endpoints" json:"endpoints"`
+			DisableUpdate bool     `yaml:"disableUpdate" json:"disableUpdate"`
 		}{
 			Endpoints:     resp.Endpoints,
 			DisableUpdate: false,
@@ -1083,6 +1087,9 @@ func (this *Node) onReload(config *nodeconfigs.NodeConfig) {
 			remotelogs.Error("NODE", "[DNS_RESOLVER]set env failed: "+err.Error())
 		}
 	}
+
+	// API Node地址，这里不限制是否为空，因为在为空时仍然要有对应的处理
+	this.changeAPINodeAddrs(config.APINodeAddrs)
 }
 
 // reload server config
@@ -1146,3 +1153,68 @@ func (this *Node) checkDisk() {
 		}
 	}
 }
+
+func (this *Node) changeAPINodeAddrs(apiNodeAddrs []*serverconfigs.NetworkAddressConfig) {
+	var addrs = []string{}
+	for _, addr := range apiNodeAddrs {
+		err := addr.Init()
+		if err != nil {
+			remotelogs.Error("NODE", "changeAPINodeAddrs: validate api node address '"+configutils.QuoteIP(addr.Host)+":"+addr.PortRange+"' failed: "+err.Error())
+		} else {
+			addrs = append(addrs, addr.FullAddresses()...)
+		}
+	}
+	sort.Strings(addrs)
+
+	if utils.EqualStrings(this.lastAPINodeAddrs, addrs) {
+		return
+	}
+
+	this.lastAPINodeAddrs = addrs
+
+	config, err := configs.LoadAPIConfig()
+	if err != nil {
+		remotelogs.Error("NODE", "changeAPINodeAddrs: "+err.Error())
+		return
+	}
+	if config == nil {
+		return
+	}
+	var oldEndpoints = config.RPC.Endpoints
+
+	rpcClient, err := rpc.SharedRPC()
+	if err != nil {
+		return
+	}
+	if len(addrs) > 0 {
+		this.lastAPINodeVersion++
+		var v = this.lastAPINodeVersion
+
+		// 异步检测，防止阻塞
+		go func(v int64) {
+			// 测试新的API节点地址
+			if rpcClient.TestEndpoints(addrs) {
+				config.RPC.Endpoints = addrs
+			} else {
+				config.RPC.Endpoints = oldEndpoints
+				this.lastAPINodeAddrs = nil // 恢复为空，以便于下次更新重试
+			}
+
+			// 检查测试中间有无新的变更
+			if v != this.lastAPINodeVersion {
+				return
+			}
+
+			err = rpcClient.UpdateConfig(config)
+			if err != nil {
+				remotelogs.Error("NODE", "changeAPINodeAddrs: update rpc config failed: "+err.Error())
+			}
+		}(v)
+		return
+	}
+
+	err = rpcClient.UpdateConfig(config)
+	if err != nil {
+		remotelogs.Error("NODE", "changeAPINodeAddrs: update rpc config failed: "+err.Error())
+	}
+}

internal/nodes/task_sync_api_nodes.go

@@ -1,23 +1,15 @@
 package nodes
 
 import (
-	"context"
-	"crypto/tls"
 	"github.com/TeaOSLab/EdgeCommon/pkg/rpc/pb"
 	"github.com/TeaOSLab/EdgeNode/internal/configs"
 	"github.com/TeaOSLab/EdgeNode/internal/events"
 	"github.com/TeaOSLab/EdgeNode/internal/goman"
 	"github.com/TeaOSLab/EdgeNode/internal/rpc"
 	"github.com/TeaOSLab/EdgeNode/internal/trackers"
+	"github.com/TeaOSLab/EdgeNode/internal/utils"
 	"github.com/iwind/TeaGo/Tea"
 	"github.com/iwind/TeaGo/logs"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/credentials/insecure"
-	"net/url"
-	"sort"
-	"strings"
-	"sync"
 	"time"
 )
 
@@ -64,6 +56,9 @@ func (this *SyncAPINodesTask) Stop() {
 }
 
 func (this *SyncAPINodesTask) Loop() error {
+	// 如果有节点定制的API节点地址
+	var hasCustomizedAPINodeAddrs = sharedNodeConfig != nil && len(sharedNodeConfig.APINodeAddrs) > 0
+
 	config, err := configs.LoadAPIConfig()
 	if err != nil {
 		return err
@@ -96,22 +91,26 @@ func (this *SyncAPINodesTask) Loop() error {
 	}
 
 	// 和现有的对比
-	if this.isSame(newEndpoints, config.RPC.Endpoints) {
+	if utils.EqualStrings(newEndpoints, config.RPC.Endpoints) {
 		return nil
 	}
 
 	// 测试是否有API节点可用
-	var hasOk = this.testEndpoints(newEndpoints)
+	var hasOk = rpcClient.TestEndpoints(newEndpoints)
 	if !hasOk {
 		return nil
 	}
 
 	// 修改RPC对象配置
 	config.RPC.Endpoints = newEndpoints
+
+	// 更新当前RPC
+	if !hasCustomizedAPINodeAddrs {
 		err = rpcClient.UpdateConfig(config)
 		if err != nil {
 			return err
 		}
+	}
 
 	// 保存到文件
 	err = config.WriteFile(Tea.ConfigFile("api.yaml"))
@@ -121,53 +120,3 @@ func (this *SyncAPINodesTask) Loop() error {
 
 	return nil
 }
-
-func (this *SyncAPINodesTask) isSame(endpoints1 []string, endpoints2 []string) bool {
-	sort.Strings(endpoints1)
-	sort.Strings(endpoints2)
-	return strings.Join(endpoints1, "&") == strings.Join(endpoints2, "&")
-}
-
-func (this *SyncAPINodesTask) testEndpoints(endpoints []string) bool {
-	if len(endpoints) == 0 {
-		return false
-	}
-
-	var wg = sync.WaitGroup{}
-	wg.Add(len(endpoints))
-
-	var ok = false
-
-	for _, endpoint := range endpoints {
-		go func(endpoint string) {
-			defer wg.Done()
-
-			u, err := url.Parse(endpoint)
-			if err != nil {
-				return
-			}
-
-			ctx, cancelFunc := context.WithTimeout(context.Background(), 5*time.Second)
-			defer func() {
-				cancelFunc()
-			}()
-			var conn *grpc.ClientConn
-			if u.Scheme == "http" {
-				conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock())
-			} else if u.Scheme == "https" {
-				conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
-					InsecureSkipVerify: true,
-				})), grpc.WithBlock())
-			}
-			if err != nil {
-				return
-			}
-			_ = conn.Close()
-
-			ok = true
-		}(endpoint)
-	}
-	wg.Wait()
-
-	return ok
-}

internal/rpc/rpc_client.go

@@ -160,6 +160,64 @@ func (this *RPCClient) UpdateConfig(config *configs.APIConfig) error {
 	return err
 }
 
+// TestEndpoints 测试Endpoints是否可用
+func (this *RPCClient) TestEndpoints(endpoints []string) bool {
+	if len(endpoints) == 0 {
+		return false
+	}
+
+	var wg = sync.WaitGroup{}
+	wg.Add(len(endpoints))
+
+	var ok = false
+
+	for _, endpoint := range endpoints {
+		go func(endpoint string) {
+			defer wg.Done()
+
+			u, err := url.Parse(endpoint)
+			if err != nil {
+				return
+			}
+
+			ctx, cancelFunc := context.WithTimeout(context.Background(), 5*time.Second)
+			defer func() {
+				cancelFunc()
+			}()
+			var conn *grpc.ClientConn
+			if u.Scheme == "http" {
+				conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(insecure.NewCredentials()), grpc.WithBlock())
+			} else if u.Scheme == "https" {
+				conn, err = grpc.DialContext(ctx, u.Host, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{
+					InsecureSkipVerify: true,
+				})), grpc.WithBlock())
+			} else {
+				return
+			}
+			if err != nil {
+				return
+			}
+			if conn == nil {
+				return
+			}
+			defer func() {
+				_ = conn.Close()
+			}()
+
+			var pingService = pb.NewPingServiceClient(conn)
+			_, err = pingService.Ping(this.Context(), &pb.PingRequest{})
+			if err != nil {
+				return
+			}
+
+			ok = true
+		}(endpoint)
+	}
+	wg.Wait()
+
+	return ok
+}
+
 // 初始化
 func (this *RPCClient) init() error {
 	// 重新连接

internal/utils/string.go

@@ -42,8 +42,8 @@ func ToValidUTF8string(v string) string {
 	return strings.ToValidUTF8(v, "")
 }
 
-// ContainsSameStrings 检查两个字符串slice内容是否一致
-func ContainsSameStrings(s1 []string, s2 []string) bool {
+// EqualStrings 检查两个字符串slice内容是否一致
+func EqualStrings(s1 []string, s2 []string) bool {
 	if len(s1) != len(s2) {
 		return false
 	}

internal/utils/string_test.go

@@ -59,9 +59,9 @@ func TestFormatAddressList(t *testing.T) {
 
 func TestContainsSameStrings(t *testing.T) {
 	var a = assert.NewAssertion(t)
-	a.IsFalse(utils.ContainsSameStrings([]string{"a"}, []string{"b"}))
-	a.IsFalse(utils.ContainsSameStrings([]string{"a", "b"}, []string{"b"}))
-	a.IsFalse(utils.ContainsSameStrings([]string{"a", "b"}, []string{"a", "b", "c"}))
-	a.IsTrue(utils.ContainsSameStrings([]string{"a", "b"}, []string{"a", "b"}))
-	a.IsTrue(utils.ContainsSameStrings([]string{"a", "b"}, []string{"b", "a"}))
+	a.IsFalse(utils.EqualStrings([]string{"a"}, []string{"b"}))
+	a.IsFalse(utils.EqualStrings([]string{"a", "b"}, []string{"b"}))
+	a.IsFalse(utils.EqualStrings([]string{"a", "b"}, []string{"a", "b", "c"}))
+	a.IsTrue(utils.EqualStrings([]string{"a", "b"}, []string{"a", "b"}))
+	a.IsTrue(utils.EqualStrings([]string{"a", "b"}, []string{"b", "a"}))
 }