Fix powerdns integer parse error handling

closes #1751

CHANGELOG.md

@@ -31,6 +31,7 @@
 - [#1530](https://github.com/influxdata/telegraf/issues/1530): Fix prometheus_client reload panic
 - [#1764](https://github.com/influxdata/telegraf/issues/1764): Fix kafka consumer panic when nil error is returned down errs channel.
 - [#1768](https://github.com/influxdata/telegraf/pull/1768): Speed up statsd parsing.
+- [#1751](https://github.com/influxdata/telegraf/issues/1751): Fix powerdns integer parse error handling.
 
 ## v1.0.1 [unreleased]
 

plugins/inputs/powerdns/powerdns.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"fmt"
 	"io"
+	"log"
 	"net"
 	"strconv"
 	"strings"
@@ -86,10 +87,7 @@ func (p *Powerdns) gatherServer(address string, acc telegraf.Accumulator) error
 	metrics := string(buf)
 
 	// Process data
-	fields, err := parseResponse(metrics)
-	if err != nil {
-		return err
-	}
+	fields := parseResponse(metrics)
 
 	// Add server socket as a tag
 	tags := map[string]string{"server": address}
@@ -99,22 +97,27 @@ func (p *Powerdns) gatherServer(address string, acc telegraf.Accumulator) error
 	return nil
 }
 
-func parseResponse(metrics string) (map[string]interface{}, error) {
+func parseResponse(metrics string) map[string]interface{} {
 	values := make(map[string]interface{})
 
 	s := strings.Split(metrics, ",")
 
 	for _, metric := range s[:len(s)-1] {
 		m := strings.Split(metric, "=")
+		if len(m) < 2 {
+			continue
+		}
 
 		i, err := strconv.ParseInt(m[1], 10, 64)
 		if err != nil {
-			return values, err
+			log.Printf("powerdns: Error parsing integer for metric [%s]: %s",
+				metric, err)
+			continue
 		}
 		values[m[0]] = i
 	}
 
-	return values, nil
+	return values
 }
 
 func init() {