feat: add passive channel monitoring mode (#5592)

* feat: add passive channel monitoring mode

* fix: clarify passive monitor mode copy

setting/operation_setting/monitor_setting.go

@@ -10,12 +10,19 @@ import (
 type MonitorSetting struct {
 	AutoTestChannelEnabled bool    `json:"auto_test_channel_enabled"`
 	AutoTestChannelMinutes float64 `json:"auto_test_channel_minutes"`
+	ChannelTestMode        string  `json:"channel_test_mode"`
 }
 
+const (
+	ChannelTestModeScheduledAll    = "scheduled_all"
+	ChannelTestModePassiveRecovery = "passive_recovery"
+)
+
 // 默认配置
 var monitorSetting = MonitorSetting{
 	AutoTestChannelEnabled: false,
 	AutoTestChannelMinutes: 10,
+	ChannelTestMode:        ChannelTestModeScheduledAll,
 }
 
 func init() {
@@ -29,6 +36,7 @@ func GetMonitorSetting() *MonitorSetting {
 		if err == nil && frequency > 0 {
 			monitorSetting.AutoTestChannelEnabled = true
 			monitorSetting.AutoTestChannelMinutes = float64(frequency)
+			monitorSetting.ChannelTestMode = ChannelTestModeScheduledAll
 		}
 	}
 	if enabled, ok := os.LookupEnv("CHANNEL_TEST_ENABLED"); ok {
@@ -37,5 +45,8 @@ func GetMonitorSetting() *MonitorSetting {
 			monitorSetting.AutoTestChannelEnabled = parsed
 		}
 	}
+	if monitorSetting.ChannelTestMode != ChannelTestModePassiveRecovery {
+		monitorSetting.ChannelTestMode = ChannelTestModeScheduledAll
+	}
 	return &monitorSetting
 }