Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/outputs/zabbix/autoregister.go

@@ -0,0 +1,38 @@
+package zabbix
+
+import (
+	"time"
+)
+
+// Add adds a host to the list of hosts to send autoregister data to Zabbix.
+// Only store information if autoregister is enabled (config Autoregister is not empty).
+func (z *Zabbix) autoregisterAdd(hostname string) {
+	if z.Autoregister == "" {
+		return
+	}
+
+	if _, exists := z.autoregisterLastSend[hostname]; !exists {
+		z.autoregisterLastSend[hostname] = time.Time{}
+	}
+}
+
+// Push sends autoregister data to Zabbix for each host.
+func (z *Zabbix) autoregisterPush() {
+	if z.Autoregister == "" {
+		return
+	}
+
+	// For each "host" tag seen, send an autoregister request to Zabbix server.
+	// z.AutoregisterSendPeriod is the interval at which requests are resend.
+	for hostname, timeLastSend := range z.autoregisterLastSend {
+		if time.Since(timeLastSend) > time.Duration(z.AutoregisterResendInterval) {
+			z.Log.Debugf("Autoregistering host %q", hostname)
+
+			if err := z.sender.RegisterHost(hostname, z.Autoregister); err != nil {
+				z.Log.Errorf("Autoregistering host %q: %v", hostname, err)
+			}
+
+			z.autoregisterLastSend[hostname] = time.Now()
+		}
+	}
+}