Support uint fields in aerospike input (#4851)

(cherry picked from commit 38e644f)

plugins/inputs/aerospike/aerospike.go

@@ -2,8 +2,6 @@ package aerospike
 
 import (
 	"crypto/tls"
-	"errors"
-	"log"
 	"net"
 	"strconv"
 	"strings"
@@ -120,12 +118,8 @@ func (a *Aerospike) gatherServer(hostport string, acc telegraf.Accumulator) erro
 			return err
 		}
 		for k, v := range stats {
-			val, err := parseValue(v)
-			if err == nil {
-				fields[strings.Replace(k, "-", "_", -1)] = val
-			} else {
-				log.Printf("I! skipping aerospike field %v with int64 overflow: %q", k, v)
-			}
+			val := parseValue(v)
+			fields[strings.Replace(k, "-", "_", -1)] = val
 		}
 		acc.AddFields("aerospike_node", fields, tags, time.Now())
 
@@ -152,29 +146,25 @@ func (a *Aerospike) gatherServer(hostport string, acc telegraf.Accumulator) erro
 				if len(parts) < 2 {
 					continue
 				}
-				val, err := parseValue(parts[1])
-				if err == nil {
-					nFields[strings.Replace(parts[0], "-", "_", -1)] = val
-				} else {
-					log.Printf("I! skipping aerospike field %v with int64 overflow: %q", parts[0], parts[1])
-				}
+				val := parseValue(parts[1])
+				nFields[strings.Replace(parts[0], "-", "_", -1)] = val
 			}
 			acc.AddFields("aerospike_namespace", nFields, nTags, time.Now())
 		}
 	}
 	return nil
 }
 
-func parseValue(v string) (interface{}, error) {
+func parseValue(v string) interface{} {
 	if parsed, err := strconv.ParseInt(v, 10, 64); err == nil {
-		return parsed, nil
-	} else if _, err := strconv.ParseUint(v, 10, 64); err == nil {
-		// int64 overflow, yet valid uint64
-		return nil, errors.New("Number is too large")
+		return parsed
+	} else if parsed, err := strconv.ParseUint(v, 10, 64); err == nil {
+		return parsed
 	} else if parsed, err := strconv.ParseBool(v); err == nil {
-		return parsed, nil
+		return parsed
 	} else {
-		return v, nil
+		// leave as string
+		return v
 	}
 }
 

plugins/inputs/aerospike/aerospike_test.go

@@ -52,17 +52,14 @@ func TestAerospikeStatisticsPartialErr(t *testing.T) {
 
 func TestAerospikeParseValue(t *testing.T) {
 	// uint64 with value bigger than int64 max
-	val, err := parseValue("18446744041841121751")
-	assert.Nil(t, val)
-	assert.Error(t, err)
+	val := parseValue("18446744041841121751")
+	require.Equal(t, uint64(18446744041841121751), val)
 
 	// int values
-	val, err = parseValue("42")
-	assert.NoError(t, err)
-	assert.Equal(t, val, int64(42), "must be parsed as int")
+	val = parseValue("42")
+	require.Equal(t, val, int64(42), "must be parsed as int")
 
 	// string values
-	val, err = parseValue("BB977942A2CA502")
-	assert.NoError(t, err)
-	assert.Equal(t, val, `BB977942A2CA502`, "must be left as string")
+	val = parseValue("BB977942A2CA502")
+	require.Equal(t, val, `BB977942A2CA502`, "must be left as string")
 }