chore: Fix linter findings for `revive:enforce-map-style` in `plugins/outputs` (#15981)

plugins/outputs/cloudwatch_logs/cloudwatch_logs.go

@@ -205,7 +205,7 @@ func (c *CloudWatchLogs) Connect() error {
 			c.Log.Debugf("Log stream %q...", c.lsSource)
 		}
 
-		c.ls = map[string]*logStreamContainer{}
+		c.ls = make(map[string]*logStreamContainer)
 	}
 
 	return nil

plugins/outputs/loki/stream.go

@@ -59,7 +59,7 @@ func uniqKeyFromTagList(ts []*telegraf.Tag) (k string) {
 func newStream(ts []*telegraf.Tag) *Stream {
 	s := &Stream{
 		Logs:   make([]Log, 0),
-		Labels: map[string]string{},
+		Labels: make(map[string]string, len(ts)),
 	}
 
 	for _, t := range ts {

plugins/outputs/mongodb/mongodb.go

@@ -26,11 +26,11 @@ import (
 var sampleConfig string
 
 func (s *MongoDB) getCollections(ctx context.Context) error {
-	s.collections = map[string]bson.M{}
 	collections, err := s.client.Database(s.MetricDatabase).ListCollections(ctx, bson.M{})
 	if err != nil {
 		return fmt.Errorf("unable to execute ListCollections: %w", err)
 	}
+	s.collections = make(map[string]bson.M, collections.RemainingBatchLength())
 	for collections.Next(ctx) {
 		var collection bson.M
 		if err = collections.Decode(&collection); err != nil {

plugins/outputs/nebius_cloud_monitoring/nebius_cloud_monitoring.go

@@ -103,7 +103,7 @@ func (a *NebiusCloudMonitoring) Init() error {
 		},
 		Timeout: time.Duration(a.Timeout),
 	}
-	tags := map[string]string{}
+	tags := make(map[string]string)
 	a.MetricOutsideWindow = selfstat.Register("nebius_cloud_monitoring", "metric_outside_window", tags)
 	return nil
 }

plugins/outputs/postgresql/table_source.go

@@ -15,7 +15,7 @@ type columnList struct {
 
 func newColumnList() *columnList {
 	return &columnList{
-		indices: map[string]int{},
+		indices: make(map[string]int),
 	}
 }
 
@@ -65,7 +65,7 @@ type TableSource struct {
 }
 
 func NewTableSources(p *Postgresql, metrics []telegraf.Metric) map[string]*TableSource {
-	tableSources := map[string]*TableSource{}
+	tableSources := make(map[string]*TableSource)
 
 	for _, m := range metrics {
 		tsrc := tableSources[m.Name()]

plugins/outputs/registry.go

@@ -6,7 +6,7 @@ import (
 
 type Creator func() telegraf.Output
 
-var Outputs = map[string]Creator{}
+var Outputs = make(map[string]Creator)
 
 func Add(name string, creator Creator) {
 	Outputs[name] = creator

plugins/outputs/yandex_cloud_monitoring/yandex_cloud_monitoring.go

@@ -107,7 +107,7 @@ func (a *YandexCloudMonitoring) Connect() error {
 
 	a.Log.Infof("Writing to Yandex.Cloud Monitoring URL: %s", a.EndpointURL)
 
-	tags := map[string]string{}
+	tags := make(map[string]string)
 	a.MetricOutsideWindow = selfstat.Register("yandex_cloud_monitoring", "metric_outside_window", tags)
 
 	return nil