Remove error log when snmp6 directory does not exists with nstat input (

influxdata#5403) (influxdata#5413)
dupondje · Apr 22, 2019 · 0ceee00 · 0ceee00
1 parent 2173f2f
commit 0ceee00
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Showing 2 changed files with 9 additions and 6 deletions.
diff --git a/plugins/inputs/nstat/README.md b/plugins/inputs/nstat/README.md
@@ -36,6 +36,8 @@ The sample config file
   # dump_zeros			= 	true
 ```
 
+In case that `proc_net_snmp6` path doesn't exist (e.g. IPv6 is not enabled) no error would be raised.
+
 ### Measurements & Fields
 
 - nstat

diff --git a/plugins/inputs/nstat/nstat.go b/plugins/inputs/nstat/nstat.go
@@ -83,13 +83,14 @@ func (ns *Nstat) Gather(acc telegraf.Accumulator) error {
 		return err
 	}
 
-	// collect SNMP6 data
+	// collect SNMP6 data, if SNMP6 directory exists (IPv6 enabled)
 	snmp6, err := ioutil.ReadFile(ns.ProcNetSNMP6)
-	if err != nil {
-		return err
-	}
-	err = ns.gatherSNMP6(snmp6, acc)
-	if err != nil {
+	if err == nil {
+		err = ns.gatherSNMP6(snmp6, acc)
+		if err != nil {
+			return err
+		}
+	} else if !os.IsNotExist(err) {
 		return err
 	}
 	return nil
-Original file line number
+Diff line change
@@ Expand Up / @@ -36,6 +36,8 @@ The sample config file @@
       # dump_zeros			= 	true
     ```
+    In case that `proc_net_snmp6` path doesn't exist (e.g. IPv6 is not enabled) no error would be raised.
     ### Measurements & Fields
     - nstat
@@ Expand Down @@