fix: 触发懒加载时，需要同步更新notify内容，更新component监听变更的ns

client.go

@@ -20,6 +20,7 @@ package agollo
 import (
 	"container/list"
 	"errors"
+	"strings"
 
 	"github.com/apolloconfig/agollo/v4/agcache"
 	"github.com/apolloconfig/agollo/v4/agcache/memory"
@@ -158,19 +159,40 @@ func (c *internalClient) GetConfigAndInit(namespace string) *storage.Config {
 		return nil
 	}
 
-	config := c.cache.GetConfig(namespace)
+	cfg := c.cache.GetConfig(namespace)
 
-	if config == nil {
+	if cfg == nil {
 		//sync config
 		apolloConfig := syncApolloConfig.SyncWithNamespace(namespace, c.getAppConfig)
 		if apolloConfig != nil {
-			c.cache.UpdateApolloConfig(apolloConfig, c.getAppConfig)
+			c.SyncAndUpdate(namespace, apolloConfig)
+		}
+	}
+
+	cfg = c.cache.GetConfig(namespace)
+
+	return cfg
+}
+
+func (c *internalClient) SyncAndUpdate(namespace string, apolloConfig *config.ApolloConfig) {
+	// update appConfig only if namespace does not exist yet
+	namespaces := strings.Split(c.appConfig.NamespaceName, ",")
+	exists := false
+	for _, n := range namespaces {
+		if n == namespace {
+			exists = true
+			break
 		}
 	}
+	if !exists {
+		c.appConfig.NamespaceName += "," + namespace
+	}
 
-	config = c.cache.GetConfig(namespace)
+	// update notification
+	c.appConfig.GetNotificationsMap().UpdateNotify(namespace, 0)
 
-	return config
+	// update cache
+	c.cache.UpdateApolloConfig(apolloConfig, c.getAppConfig)
 }
 
 // GetConfigCache 根据namespace获取apollo配置的缓存

client_test.go

@@ -365,17 +365,40 @@ func TestGetConfigAndInitValNotNil(t *testing.T) {
 				AppID:         "testID",
 				NamespaceName: "testNotFound",
 			},
-			Configurations: map[string]interface{}{"testKey": "testValue"},
+			Configurations: map[string]interface{}{"testKey": "testUpdatedValue"},
 		}
 	})
-	defer patch.Reset()
 
 	client := createMockApolloConfig(120)
 	cf := client.GetConfig("testNotFound")
 	Assert(t, cf, NotNilVal())
-	// cache should be updated
+
+	// appConfig notificationsMap appConfig should be updated
+	Assert(t, client.appConfig.GetNotificationsMap().GetNotify("testNotFound"), Equal(int64(0)))
+
+	// cache should be updated with new configuration
 	Assert(t, client.cache.GetConfig("testNotFound"), NotNilVal())
-	Assert(t, client.cache.GetConfig("testNotFound").GetValue("testKey"), Equal("testValue"))
+	Assert(t, client.cache.GetConfig("testNotFound").GetValue("testKey"), Equal("testUpdatedValue"))
+	Assert(t, client.appConfig.NamespaceName, Equal("application,testNotFound"))
+	patch.Reset()
+
+	// second replace
+	patch1 := gomonkey.ApplyMethod(reflect.TypeOf(apc), "SyncWithNamespace", func(_ *remote.AbsApolloConfig, namespace string, appConfigFunc func() config.AppConfig) *config.ApolloConfig {
+		return &config.ApolloConfig{
+			ApolloConnConfig: config.ApolloConnConfig{
+				AppID:         "testID",
+				NamespaceName: "testNotFound1",
+			},
+			Configurations: map[string]interface{}{"testKey": "testUpdatedValue"},
+		}
+	})
+	defer patch1.Reset()
+	client.appConfig.NamespaceName = "testNotFound1"
+	cf1 := client.GetConfig("testNotFound1")
+	Assert(t, cf1, NotNilVal())
+	Assert(t, client.cache.GetConfig("testNotFound1"), NotNilVal())
+	// appConfig namespace existed, should not be appended
+	Assert(t, client.appConfig.NamespaceName, Equal("testNotFound1"))
 }
 
 func TestGetConfigAndInitValNil(t *testing.T) {

component/notify/componet_notify_test.go

@@ -102,3 +102,21 @@ func getTestAppConfig() *config.AppConfig {
 	appConfig.Init()
 	return appConfig
 }
+
+func TestConfigComponent_SetAppConfig_UpdatesAppConfigCorrectly(t *testing.T) {
+	expectedAppConfig := getTestAppConfig()
+	c := &ConfigComponent{}
+	// set appConfigFunc
+	c.SetAppConfig(func() config.AppConfig {
+		return *expectedAppConfig
+	})
+
+	// appConfig should be equal
+	Assert(t, c.appConfigFunc(), Equal(*expectedAppConfig))
+
+	// appConfig value is be replaced
+	expectedAppConfig.AppID = "test1"
+	expectedAppConfig.NamespaceName = expectedAppConfig.NamespaceName + config.Comma + "abc"
+	Assert(t, c.appConfigFunc().AppID, Equal("test1"))
+	Assert(t, c.appConfigFunc().NamespaceName, Equal("application,abc"))
+}

env/config/config.go

@@ -29,17 +29,17 @@ import (
 
 var (
 	defaultNotificationID = int64(-1)
-	comma                 = ","
+	Comma                 = ","
 )
 
-//File 读写配置文件
+// File 读写配置文件
 type File interface {
 	Load(fileName string, unmarshal func([]byte) (interface{}, error)) (interface{}, error)
 
 	Write(content interface{}, configPath string) error
 }
 
-//AppConfig 配置文件
+// AppConfig 配置文件
 type AppConfig struct {
 	AppID             string `json:"appId"`
 	Cluster           string `json:"cluster"`
@@ -56,27 +56,27 @@ type AppConfig struct {
 	currentConnApolloConfig *CurrentApolloConfig
 }
 
-//ServerInfo 服务器信息
+// ServerInfo 服务器信息
 type ServerInfo struct {
 	AppName     string `json:"appName"`
 	InstanceID  string `json:"instanceId"`
 	HomepageURL string `json:"homepageUrl"`
 	IsDown      bool   `json:"-"`
 }
 
-//GetIsBackupConfig whether backup config after fetch config from apollo
-//false : no
-//true : yes (default)
+// GetIsBackupConfig whether backup config after fetch config from apollo
+// false : no
+// true : yes (default)
 func (a *AppConfig) GetIsBackupConfig() bool {
 	return a.IsBackupConfig
 }
 
-//GetBackupConfigPath GetBackupConfigPath
+// GetBackupConfigPath GetBackupConfigPath
 func (a *AppConfig) GetBackupConfigPath() string {
 	return a.BackupConfigPath
 }
 
-//GetHost GetHost
+// GetHost GetHost
 func (a *AppConfig) GetHost() string {
 	u, err := url.Parse(a.IP)
 	if err != nil {
@@ -108,10 +108,10 @@ func (a *AppConfig) initAllNotifications(callback func(namespace string)) {
 	}
 }
 
-//SplitNamespaces 根据namespace字符串分割后，并执行callback函数
+// SplitNamespaces 根据namespace字符串分割后，并执行callback函数
 func SplitNamespaces(namespacesStr string, callback func(namespace string)) sync.Map {
 	namespaces := sync.Map{}
-	split := strings.Split(namespacesStr, comma)
+	split := strings.Split(namespacesStr, Comma)
 	for _, namespace := range split {
 		if callback != nil {
 			callback(namespace)
@@ -126,7 +126,7 @@ func (a *AppConfig) GetNotificationsMap() *notificationsMap {
 	return a.notificationsMap
 }
 
-//GetServicesConfigURL 获取服务器列表url
+// GetServicesConfigURL 获取服务器列表url
 func (a *AppConfig) GetServicesConfigURL() string {
 	return fmt.Sprintf("%sservices/config?appId=%s&ip=%s",
 		a.GetHost(),