fix lints

Author: thampiotr

cmd/postgres_exporter/main.go

@@ -11,6 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//nolint:unused
 package postgres_exporter
 
 import (
@@ -20,8 +21,6 @@ import (
 	"strings"
 
 	"github.com/alecthomas/kingpin/v2"
-	"github.com/prometheus-community/postgres_exporter/collector"
-	"github.com/prometheus-community/postgres_exporter/config"
 	"github.com/prometheus/client_golang/prometheus"
 	versioncollector "github.com/prometheus/client_golang/prometheus/collectors/version"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -30,6 +29,9 @@ import (
 	"github.com/prometheus/common/version"
 	"github.com/prometheus/exporter-toolkit/web"
 	"github.com/prometheus/exporter-toolkit/web/kingpinflag"
+
+	"github.com/prometheus-community/postgres_exporter/collector"
+	"github.com/prometheus-community/postgres_exporter/config"
 )
 
 var (

cmd/postgres_exporter/postgres_exporter.go

@@ -144,6 +144,8 @@ func (e *ErrorConnectToServer) Error() string {
 }
 
 // TODO: revisit this with the semver system
+//
+//nolint:unused
 func dumpMaps() {
 	// TODO: make this function part of the exporter
 	for name, cmap := range builtinMetricMaps {

cmd/postgres_exporter/probe.go

@@ -18,12 +18,14 @@ import (
 	"log/slog"
 	"net/http"
 
-	"github.com/prometheus-community/postgres_exporter/collector"
-	"github.com/prometheus-community/postgres_exporter/config"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
+
+	"github.com/prometheus-community/postgres_exporter/collector"
+	"github.com/prometheus-community/postgres_exporter/config"
 )
 
+//nolint:unused
 func handleProbe(logger *slog.Logger, excludeDatabases []string) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		ctx := r.Context()

collector/collector.go

@@ -119,7 +119,7 @@ func NewPostgresCollector(logger *slog.Logger, excludeDatabases []string, dsn st
 	collectors := make(map[string]Collector)
 	initiatedCollectorsMtx.Lock()
 	defer initiatedCollectorsMtx.Unlock()
-	for key, _ := range collectorsToStart {
+	for key := range collectorsToStart {
 		if collector, ok := initiatedCollectors[key]; ok {
 			collectors[key] = collector
 		} else {