fix: paramtable cache cause dynamic config non-dynamic (#33473)

relate: https://github.com/milvus-io/milvus/issues/33461

Signed-off-by: aoiasd <zhicheng.yue@zilliz.com>

cmd/roles/roles.go

@@ -411,7 +411,7 @@ func (mr *MilvusRoles) Run() {
 		}
 
 		tracer.SetTracerProvider(exp, params.TraceCfg.SampleFraction.GetAsFloat())
-		log.Info("Reset tracer finished", zap.String("Exporter", params.TraceCfg.Exporter.GetValue()))
+		log.Info("Reset tracer finished", zap.String("Exporter", params.TraceCfg.Exporter.GetValue()), zap.Float64("SampleFraction", params.TraceCfg.SampleFraction.GetAsFloat()))
 
 		if paramtable.GetRole() == typeutil.QueryNodeRole || paramtable.GetRole() == typeutil.StandaloneRole {
 			initcore.InitTraceConfig(params)

pkg/config/env_source.go

@@ -78,6 +78,9 @@ func (es EnvSource) GetSourceName() string {
 	return "EnvironmentSource"
 }
 
+func (es EnvSource) SetManager(m ConfigManager) {
+}
+
 func (es EnvSource) SetEventHandler(eh EventHandler) {
 }
 

pkg/config/etcd_source.go

@@ -24,6 +24,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/samber/lo"
 	clientv3 "go.etcd.io/etcd/client/v3"
 	"go.uber.org/zap"
 
@@ -44,6 +45,7 @@ type EtcdSource struct {
 
 	updateMu        sync.Mutex
 	configRefresher *refresher
+	manager         ConfigManager
 }
 
 func NewEtcdSource(etcdInfo *EtcdInfo) (*EtcdSource, error) {
@@ -115,6 +117,12 @@ func (es *EtcdSource) Close() {
 	es.configRefresher.stop()
 }
 
+func (es *EtcdSource) SetManager(m ConfigManager) {
+	es.Lock()
+	defer es.Unlock()
+	es.manager = m
+}
+
 func (es *EtcdSource) SetEventHandler(eh EventHandler) {
 	es.configRefresher.SetEventHandler(eh)
 }
@@ -172,6 +180,9 @@ func (es *EtcdSource) update(configs map[string]string) error {
 		return err
 	}
 	es.currentConfigs = configs
+	if es.manager != nil {
+		es.manager.EvictCacheValueByFormat(lo.Map(events, func(event *Event, _ int) string { return event.Key })...)
+	}
 	es.Unlock()
 
 	es.configRefresher.fireEvents(events...)

pkg/config/file_source.go

@@ -22,6 +22,7 @@ import (
 	"sync"
 
 	"github.com/cockroachdb/errors"
+	"github.com/samber/lo"
 	"github.com/spf13/cast"
 	"github.com/spf13/viper"
 	"go.uber.org/zap"
@@ -36,6 +37,7 @@ type FileSource struct {
 
 	updateMu        sync.Mutex
 	configRefresher *refresher
+	manager         ConfigManager
 }
 
 func NewFileSource(fileInfo *FileInfo) *FileSource {
@@ -91,6 +93,12 @@ func (fs *FileSource) Close() {
 	fs.configRefresher.stop()
 }
 
+func (fs *FileSource) SetManager(m ConfigManager) {
+	fs.Lock()
+	defer fs.Unlock()
+	fs.manager = m
+}
+
 func (fs *FileSource) SetEventHandler(eh EventHandler) {
 	fs.RWMutex.Lock()
 	defer fs.RWMutex.Unlock()
@@ -173,6 +181,9 @@ func (fs *FileSource) update(configs map[string]string) error {
 		return err
 	}
 	fs.configs = configs
+	if fs.manager != nil {
+		fs.manager.EvictCacheValueByFormat(lo.Map(events, func(event *Event, _ int) string { return event.Key })...)
+	}
 	fs.Unlock()
 
 	fs.configRefresher.fireEvents(events...)

pkg/config/manager.go

@@ -116,6 +116,16 @@ func (m *Manager) EvictCachedValue(key string) {
 	m.configCache.Remove(key)
 }
 
+func (m *Manager) EvictCacheValueByFormat(keys ...string) {
+	set := typeutil.NewSet(keys...)
+	m.configCache.Range(func(key string, value interface{}) bool {
+		if set.Contain(formatKey(key)) {
+			m.configCache.Remove(key)
+		}
+		return true
+	})
+}
+
 func (m *Manager) GetConfig(key string) (string, error) {
 	realKey := formatKey(key)
 	v, ok := m.overlays.Get(realKey)
@@ -210,6 +220,7 @@ func (m *Manager) AddSource(source Source) error {
 		return err
 	}
 
+	source.SetManager(m)
 	m.sources.Insert(sourceName, source)
 
 	err := m.pullSourceConfigs(sourceName)

pkg/config/manager_test.go

@@ -270,6 +270,9 @@ func (ErrSource) GetPriority() int {
 	return 2
 }
 
+func (ErrSource) SetManager(m ConfigManager) {
+}
+
 // GetSourceName implements Source
 func (ErrSource) GetSourceName() string {
 	return "ErrSource"

pkg/config/source.go

@@ -23,12 +23,17 @@ const (
 	LowPriority    = NormalPriority + 10
 )
 
+type ConfigManager interface {
+	EvictCacheValueByFormat(keys ...string)
+}
+
 type Source interface {
 	GetConfigurations() (map[string]string, error)
 	GetConfigurationByKey(string) (string, error)
 	GetPriority() int
 	GetSourceName() string
 	SetEventHandler(eh EventHandler)
+	SetManager(m ConfigManager)
 	UpdateOptions(opt Options)
 	Close()
 }