fix: ignore existing target status when adding new targets (#17250)

cmd/admin-handlers-config-kv.go

@@ -83,7 +83,7 @@ func (a adminAPIHandlers) DelConfigKVHandler(w http.ResponseWriter, r *http.Requ
 		return
 	}
 
-	if err = validateConfig(cfg, subSys); err != nil {
+	if err = validateConfig(ctx, cfg, subSys); err != nil {
 		writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
 		return
 	}
@@ -211,7 +211,12 @@ func setConfigKV(ctx context.Context, objectAPI ObjectLayer, kvBytes []byte) (re
 		return
 	}
 
-	if verr := validateConfig(result.Cfg, result.SubSys); verr != nil {
+	tgts, err := config.ParseConfigTargetID(bytes.NewReader(kvBytes))
+	if err != nil {
+		return
+	}
+	ctx = context.WithValue(ctx, config.ContextKeyForTargetFromConfig, tgts)
+	if verr := validateConfig(ctx, result.Cfg, result.SubSys); verr != nil {
 		err = badConfigErr{Err: verr}
 		return
 	}
@@ -353,7 +358,7 @@ func (a adminAPIHandlers) RestoreConfigHistoryKVHandler(w http.ResponseWriter, r
 		return
 	}
 
-	if err = validateConfig(cfg, ""); err != nil {
+	if err = validateConfig(ctx, cfg, ""); err != nil {
 		writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
 		return
 	}
@@ -464,7 +469,7 @@ func (a adminAPIHandlers) SetConfigHandler(w http.ResponseWriter, r *http.Reques
 		return
 	}
 
-	if err = validateConfig(cfg, ""); err != nil {
+	if err = validateConfig(ctx, cfg, ""); err != nil {
 		writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), err.Error(), r.URL)
 		return
 	}

cmd/admin-handlers-idp-config.go

@@ -125,7 +125,7 @@ func (a adminAPIHandlers) addOrUpdateIDPHandler(ctx context.Context, w http.Resp
 		return
 	}
 
-	if err = validateConfig(cfg, subSys); err != nil {
+	if err = validateConfig(ctx, cfg, subSys); err != nil {
 
 		var validationErr ldap.Validation
 		if errors.As(err, &validationErr) {
@@ -422,7 +422,7 @@ func (a adminAPIHandlers) DeleteIdentityProviderCfg(w http.ResponseWriter, r *ht
 		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
 		return
 	}
-	if err = validateConfig(cfg, subSys); err != nil {
+	if err = validateConfig(ctx, cfg, subSys); err != nil {
 
 		var validationErr ldap.Validation
 		if errors.As(err, &validationErr) {

cmd/config-current.go

@@ -283,7 +283,7 @@ var (
 	globalServerConfigMu sync.RWMutex
 )
 
-func validateSubSysConfig(s config.Config, subSys string, objAPI ObjectLayer) error {
+func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, objAPI ObjectLayer) error {
 	switch subSys {
 	case config.SiteSubSys:
 		if _, err := config.LookupSite(s[config.SiteSubSys][config.Default], s[config.RegionSubSys][config.Default]); err != nil {
@@ -393,7 +393,7 @@ func validateSubSysConfig(s config.Config, subSys string, objAPI ObjectLayer) er
 	}
 
 	if config.NotifySubSystems.Contains(subSys) {
-		if err := notify.TestSubSysNotificationTargets(GlobalContext, s, subSys, NewHTTPTransport()); err != nil {
+		if err := notify.TestSubSysNotificationTargets(ctx, s, subSys, NewHTTPTransport()); err != nil {
 			return err
 		}
 	}
@@ -407,7 +407,7 @@ func validateSubSysConfig(s config.Config, subSys string, objAPI ObjectLayer) er
 	return nil
 }
 
-func validateConfig(s config.Config, subSys string) error {
+func validateConfig(ctx context.Context, s config.Config, subSys string) error {
 	objAPI := newObjectLayerFn()
 
 	// We must have a global lock for this so nobody else modifies env while we do.
@@ -419,12 +419,12 @@ func validateConfig(s config.Config, subSys string) error {
 	// Enable env values to validate KMS.
 	defer env.SetEnvOn()
 	if subSys != "" {
-		return validateSubSysConfig(s, subSys, objAPI)
+		return validateSubSysConfig(ctx, s, subSys, objAPI)
 	}
 
 	// No sub-system passed. Validate all of them.
 	for _, ss := range config.SubSystems.ToSlice() {
-		if err := validateSubSysConfig(s, ss, objAPI); err != nil {
+		if err := validateSubSysConfig(ctx, s, ss, objAPI); err != nil {
 			return err
 		}
 	}

internal/config/config.go

@@ -426,6 +426,34 @@ func (c Config) DelFrom(r io.Reader) error {
 	return scanner.Err()
 }
 
+// ContextKeyString is type(string) for contextKey
+type ContextKeyString string
+
+// ContextKeyForTargetFromConfig - key for context for target from config
+const ContextKeyForTargetFromConfig = ContextKeyString("ContextKeyForTargetFromConfig")
+
+// ParseConfigTargetID - read all targetIDs from reader
+func ParseConfigTargetID(r io.Reader) (ids map[string]bool, err error) {
+	ids = make(map[string]bool)
+	scanner := bufio.NewScanner(r)
+	for scanner.Scan() {
+		// Skip any empty lines, or comment like characters
+		text := scanner.Text()
+		if text == "" || strings.HasPrefix(text, KvComment) {
+			continue
+		}
+		_, _, tgt, err := GetSubSys(text)
+		if err != nil {
+			return nil, err
+		}
+		ids[tgt] = true
+	}
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+	return
+}
+
 // ReadConfig - read content from input and write into c.
 // Returns whether all parameters were dynamic.
 func (c Config) ReadConfig(r io.Reader) (dynOnly bool, err error) {

internal/config/notify/parse.go

@@ -58,13 +58,24 @@ func TestSubSysNotificationTargets(ctx context.Context, cfg config.Config, subSy
 		defer target.Close()
 	}
 
+	tgts, ok := ctx.Value(config.ContextKeyForTargetFromConfig).(map[string]bool)
+	if !ok {
+		tgts = make(map[string]bool)
+	}
 	for _, target := range targetList {
-		yes, err := target.IsActive()
-		if err == nil && !yes {
-			err = ErrTargetsOffline
-		}
-		if err != nil {
-			return fmt.Errorf("error (%s): %w", target.ID(), err)
+		if tgts[target.ID().ID] {
+			// When target set should be online
+			yes, err := target.IsActive()
+			if err == nil && !yes {
+				err = ErrTargetsOffline
+			}
+			if err != nil {
+				return fmt.Errorf("error (%s): %w", target.ID(), err)
+			}
+		} else {
+			// Just for call init.
+			// Ignore target is online or offline
+			_, _ = target.IsActive()
 		}
 	}