fix(inputs.ipset): Parse lines with timeout (#14262)

plugins/inputs/ipset/ipset.go

@@ -73,18 +73,31 @@ func (i *Ipset) Gather(acc telegraf.Accumulator) error {
 				"set":  data[1],
 				"rule": data[2],
 			}
-			packetsTotal, err := strconv.ParseUint(data[4], 10, 64)
+
+			fields := make(map[string]interface{}, 3)
+			for i, field := range data {
+				switch field {
+				case "timeout":
+					val, err := strconv.ParseUint(data[i+1], 10, 64)
 					if err != nil {
 						acc.AddError(err)
 					}
-			bytesTotal, err := strconv.ParseUint(data[6], 10, 64)
+					fields["timeout"] = val
+				case "packets":
+					val, err := strconv.ParseUint(data[i+1], 10, 64)
 					if err != nil {
 						acc.AddError(err)
 					}
-			fields := map[string]interface{}{
+					fields["packets_total"] = val
-				"packets_total": packetsTotal,
+				case "bytes":
-				"bytes_total":   bytesTotal,
+					val, err := strconv.ParseUint(data[i+1], 10, 64)
+					if err != nil {
+						acc.AddError(err)
 					}
+					fields["bytes_total"] = val
+				}
+			}
+
 			acc.AddCounter(measurement, fields, tags)
 		}
 	}

plugins/inputs/ipset/ipset_test.go

@@ -74,6 +74,22 @@ func TestIpset(t *testing.T) {
 				{map[string]interface{}{"packets_total": uint64(3), "bytes_total": uint64(222)}},
 			},
 		},
+		{
+			name: "Sets with and without timeouts",
+			value: `create counter-test hash:ip family inet hashsize 1024 maxelem 65536 timeout 1800 counters
+				add counter-test 192.168.1.1 timeout 1792 packets 8 bytes 672
+				create counter-test2 hash:ip family inet hashsize 1024 maxelem 65536 counters
+				add counter-test2 192.168.1.1 packets 18 bytes 673
+				`,
+			tags: []map[string]string{
+				{"set": "counter-test", "rule": "192.168.1.1"},
+				{"set": "counter-test2", "rule": "192.168.1.1"},
+			},
+			fields: [][]map[string]interface{}{
+				{map[string]interface{}{"packets_total": uint64(8), "bytes_total": uint64(672), "timeout": uint64(1792)}},
+				{map[string]interface{}{"packets_total": uint64(18), "bytes_total": uint64(673)}},
+			},
+		},
 	}
 
 	for i, tt := range tests {