Remove Add() function from accumulator

accumulator.go

@@ -6,11 +6,6 @@ type Accumulator interface {
 	// Create a point with a value, decorating it with tags
 	// NOTE: tags is expected to be owned by the caller, don't mutate
 	// it after passing to Add.
-	Add(measurement string,
-		value interface{},
-		tags map[string]string,
-		t ...time.Time)
-
 	AddFields(measurement string,
 		fields map[string]interface{},
 		tags map[string]string,

agent/accumulator.go

@@ -38,22 +38,6 @@ type accumulator struct {
 	errCount uint64
 }
 
-func (ac *accumulator) Add(
-	measurement string,
-	value interface{},
-	tags map[string]string,
-	t ...time.Time,
-) {
-	fields := make(map[string]interface{})
-	fields["value"] = value
-
-	if !ac.inputConfig.Filter.ShouldNamePass(measurement) {
-		return
-	}
-
-	ac.AddFields(measurement, fields, tags, t...)
-}
-
 func (ac *accumulator) AddFields(
 	measurement string,
 	fields map[string]interface{},

agent/accumulator_test.go

@@ -23,9 +23,15 @@ func TestAdd(t *testing.T) {
 	defer close(a.metrics)
 	a.inputConfig = &models.InputConfig{}
 
-	a.Add("acctest", float64(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": float64(101)},
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -50,9 +56,15 @@ func TestAddNoPrecisionWithInterval(t *testing.T) {
 	a.inputConfig = &models.InputConfig{}
 
 	a.SetPrecision(0, time.Second)
-	a.Add("acctest", float64(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": float64(101)},
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -77,9 +89,15 @@ func TestAddNoIntervalWithPrecision(t *testing.T) {
 	a.inputConfig = &models.InputConfig{}
 
 	a.SetPrecision(time.Second, time.Millisecond)
-	a.Add("acctest", float64(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": float64(101)},
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -105,9 +123,15 @@ func TestAddDisablePrecision(t *testing.T) {
 
 	a.SetPrecision(time.Second, time.Millisecond)
 	a.DisablePrecision()
-	a.Add("acctest", float64(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": float64(101)},
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -132,7 +156,9 @@ func TestDifferentPrecisions(t *testing.T) {
 	a.inputConfig = &models.InputConfig{}
 
 	a.SetPrecision(0, time.Second)
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 	testm := <-a.metrics
 	actual := testm.String()
 	assert.Equal(t,
@@ -140,7 +166,9 @@ func TestDifferentPrecisions(t *testing.T) {
 		actual)
 
 	a.SetPrecision(0, time.Millisecond)
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 	testm = <-a.metrics
 	actual = testm.String()
 	assert.Equal(t,
@@ -148,7 +176,9 @@ func TestDifferentPrecisions(t *testing.T) {
 		actual)
 
 	a.SetPrecision(0, time.Microsecond)
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 	testm = <-a.metrics
 	actual = testm.String()
 	assert.Equal(t,
@@ -156,7 +186,9 @@ func TestDifferentPrecisions(t *testing.T) {
 		actual)
 
 	a.SetPrecision(0, time.Nanosecond)
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 	testm = <-a.metrics
 	actual = testm.String()
 	assert.Equal(t,
@@ -172,9 +204,15 @@ func TestAddDefaultTags(t *testing.T) {
 	defer close(a.metrics)
 	a.inputConfig = &models.InputConfig{}
 
-	a.Add("acctest", float64(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": float64(101)},
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -342,9 +380,15 @@ func TestAddInts(t *testing.T) {
 	defer close(a.metrics)
 	a.inputConfig = &models.InputConfig{}
 
-	a.Add("acctest", int(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", int32(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": int(101)},
-	a.Add("acctest", int64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": int32(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": int64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -369,8 +413,12 @@ func TestAddFloats(t *testing.T) {
 	defer close(a.metrics)
 	a.inputConfig = &models.InputConfig{}
 
-	a.Add("acctest", float32(101), map[string]string{"acc": "test"})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]interface{}{"value": float32(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -391,8 +439,12 @@ func TestAddStrings(t *testing.T) {
 	defer close(a.metrics)
 	a.inputConfig = &models.InputConfig{}
 
-	a.Add("acctest", "test", map[string]string{"acc": "test"})
+	a.AddFields("acctest",
-	a.Add("acctest", "foo", map[string]string{"acc": "test"}, now)
+		map[string]interface{}{"value": "test"},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": "foo"},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -413,8 +465,10 @@ func TestAddBools(t *testing.T) {
 	defer close(a.metrics)
 	a.inputConfig = &models.InputConfig{}
 
-	a.Add("acctest", true, map[string]string{"acc": "test"})
+	a.AddFields("acctest",
-	a.Add("acctest", false, map[string]string{"acc": "test"}, now)
+		map[string]interface{}{"value": true}, map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": false}, map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()
@@ -440,9 +494,15 @@ func TestAccFilterTags(t *testing.T) {
 	a.inputConfig = &models.InputConfig{}
 	a.inputConfig.Filter = filter
 
-	a.Add("acctest", float64(101), map[string]string{})
+	a.AddFields("acctest",
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"})
+		map[string]interface{}{"value": float64(101)},
-	a.Add("acctest", float64(101), map[string]string{"acc": "test"}, now)
+		map[string]string{})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"})
+	a.AddFields("acctest",
+		map[string]interface{}{"value": float64(101)},
+		map[string]string{"acc": "test"}, now)
 
 	testm := <-a.metrics
 	actual := testm.String()

plugins/inputs/mysql/mysql.go

@@ -1478,19 +1478,23 @@ func (m *Mysql) gatherTableSchema(db *sql.DB, serv string, acc telegraf.Accumula
 			tags["schema"] = tableSchema
 			tags["table"] = tableName
 
-			acc.Add(newNamespace("info_schema", "table_rows"), tableRows, tags)
+			acc.AddFields(newNamespace("info_schema", "table_rows"),
+				map[string]interface{}{"value": tableRows}, tags)
 
 			dlTags := copyTags(tags)
 			dlTags["component"] = "data_length"
-			acc.Add(newNamespace("info_schema", "table_size", "data_length"), dataLength, dlTags)
+			acc.AddFields(newNamespace("info_schema", "table_size", "data_length"),
+				map[string]interface{}{"value": dataLength}, dlTags)
 
 			ilTags := copyTags(tags)
 			ilTags["component"] = "index_length"
-			acc.Add(newNamespace("info_schema", "table_size", "index_length"), indexLength, ilTags)
+			acc.AddFields(newNamespace("info_schema", "table_size", "index_length"),
+				map[string]interface{}{"value": indexLength}, ilTags)
 
 			dfTags := copyTags(tags)
 			dfTags["component"] = "data_free"
-			acc.Add(newNamespace("info_schema", "table_size", "data_free"), dataFree, dfTags)
+			acc.AddFields(newNamespace("info_schema", "table_size", "data_free"),
+				map[string]interface{}{"value": dataFree}, dfTags)
 
 			versionTags := copyTags(tags)
 			versionTags["type"] = tableType
@@ -1498,7 +1502,8 @@ func (m *Mysql) gatherTableSchema(db *sql.DB, serv string, acc telegraf.Accumula
 			versionTags["row_format"] = rowFormat
 			versionTags["create_options"] = createOptions
 
-			acc.Add(newNamespace("info_schema", "table_version"), version, versionTags)
+			acc.AddFields(newNamespace("info_schema", "table_version"),
+				map[string]interface{}{"value": version}, versionTags)
 		}
 	}
 	return nil

plugins/inputs/sqlserver/sqlserver.go

@@ -166,7 +166,9 @@ func (s *SQLServer) accRow(query Query, acc telegraf.Accumulator, row scanner) e
 
 	if query.ResultByRow {
 		// add measurement to Accumulator
-		acc.Add(measurement, *columnMap["value"], tags, time.Now())
+		acc.AddFields(measurement,
+			map[string]interface{}{"value": *columnMap["value"]},
+			tags, time.Now())
 	} else {
 		// values
 		for header, val := range columnMap {

plugins/inputs/sqlserver/sqlserver_test.go

@@ -53,7 +53,9 @@ func TestSqlServer_ParseMetrics(t *testing.T) {
 					require.NoError(t, err)
 
 					// add value to Accumulator
-					acc.Add(measurement, value, tags, time.Now())
+					acc.AddFields(measurement,
+						map[string]interface{}{"value": value},
+						tags, time.Now())
 					// assert
 					acc.AssertContainsTaggedFields(t, measurement, map[string]interface{}{"value": value}, tags)
 

plugins/inputs/system/ps.go

@@ -26,7 +26,7 @@ type PS interface {
 func add(acc telegraf.Accumulator,
 	name string, val float64, tags map[string]string) {
 	if val >= 0 {
-		acc.Add(name, val, tags)
+		acc.AddFields(name, map[string]interface{}{"value": val}, tags)
 	}
 }
 

testutil/accumulator.go

@@ -35,17 +35,6 @@ type Accumulator struct {
 	debug    bool
 }
 
-// Add adds a measurement point to the accumulator
-func (a *Accumulator) Add(
-	measurement string,
-	value interface{},
-	tags map[string]string,
-	t ...time.Time,
-) {
-	fields := map[string]interface{}{"value": value}
-	a.AddFields(measurement, fields, tags, t...)
-}
-
 func (a *Accumulator) NMetrics() uint64 {
 	return atomic.LoadUint64(&a.nMetrics)
 }