fix: health check configuration for snmp (#1279)

Author: kongfei605

conf/input.snmp/snmp.toml

@@ -18,13 +18,13 @@ agents = [
 
 ## health check
 # 健康检查的周期
-# health_check_interval=60s
+# health_check_interval="60s"
 # 健康检查超时
-# health_check_timeout=5s
+# health_check_timeout="5s"
 # 健康检查失败达到多少次判定设备异常
 # max_fail_count=3
 # 异常后隔多久再检查
-# recovery_interval=5m
+# recovery_interval="5m"
 
 ## SNMP version; can be 1, 2, or 3.
 # version = 2

inputs/snmp/health_check.go

@@ -15,7 +15,7 @@ func (ins *Instance) StartHealthMonitor() {
 	ins.healthMonitorStarted = true
 
 	go func() {
-		ticker := time.NewTicker(ins.HealthCheckInterval)
+		ticker := time.NewTicker(time.Duration(ins.HealthCheckInterval))
 		defer ticker.Stop()
 
 		for {
@@ -45,7 +45,7 @@ func (ins *Instance) checkAgentHealth(i int, agent string) {
 		timeSinceLastCheck := time.Since(status.lastSeen)
 		status.mu.RUnlock()
 
-		if timeSinceLastCheck < ins.RecoveryInterval {
+		if timeSinceLastCheck < time.Duration(ins.RecoveryInterval) {
 			return
 		}
 	}

inputs/snmp/instances.go

@@ -59,10 +59,10 @@ type Instance struct {
 	healthMonitorStarted bool
 
 	// Configuration for health monitoring
-	HealthCheckInterval time.Duration `toml:"health_check_interval"`
-	HealthCheckTimeout  time.Duration `toml:"health_check_timeout"`
-	MaxFailCount        int           `toml:"max_fail_count"`
-	RecoveryInterval    time.Duration `toml:"recovery_interval"`
+	HealthCheckInterval config.Duration `toml:"health_check_interval"`
+	HealthCheckTimeout  config.Duration `toml:"health_check_timeout"`
+	MaxFailCount        int             `toml:"max_fail_count"`
+	RecoveryInterval    config.Duration `toml:"recovery_interval"`
 
 	stop chan struct{}
 }
@@ -106,16 +106,16 @@ func (ins *Instance) Init() error {
 		ins.AgentHostTag = "agent_host"
 	}
 	if ins.HealthCheckInterval == 0 {
-		ins.HealthCheckInterval = 60 * time.Second
+		ins.HealthCheckInterval = config.Duration(60 * time.Second)
 	}
 	if ins.HealthCheckTimeout == 0 {
-		ins.HealthCheckTimeout = 5 * time.Second
+		ins.HealthCheckTimeout = config.Duration(5 * time.Second)
 	}
 	if ins.MaxFailCount == 0 {
 		ins.MaxFailCount = 3
 	}
 	if ins.RecoveryInterval == 0 {
-		ins.RecoveryInterval = 5 * time.Minute
+		ins.RecoveryInterval = config.Duration(5 * time.Minute)
 	}
 
 	// Initialize target status tracking