use slices and map from the go stdlib instead of golang.org/x/exp

cmd/tempo/app/overrides_validation.go

@@ -2,10 +2,9 @@ package app
 
 import (
 	"fmt"
+	"slices"
 	"time"
 
-	"golang.org/x/exp/slices"
-
 	"github.com/grafana/tempo/modules/generator"
 	"github.com/grafana/tempo/modules/generator/registry"
 	"github.com/grafana/tempo/modules/overrides"

go.mod

@@ -115,7 +115,6 @@ require (
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.28.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.28.0
 	go.opentelemetry.io/proto/otlp v1.3.1
-	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
 	golang.org/x/net v0.27.0
 	golang.org/x/oauth2 v0.21.0
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240708141625-4ad9e859172b
@@ -320,6 +319,7 @@ require (
 	go.opentelemetry.io/otel/sdk/log v0.4.0 // indirect
 	go.opentelemetry.io/otel/sdk/metric v1.28.0 // indirect
 	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 // indirect
 	golang.org/x/mod v0.19.0 // indirect
 	golang.org/x/sys v0.22.0 // indirect
 	golang.org/x/text v0.16.0 // indirect

modules/distributor/distributor_test.go

@@ -7,14 +7,13 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
+	"maps"
 	"math/rand"
 	"strconv"
 	"strings"
 	"testing"
 	"time"
 
-	"golang.org/x/exp/maps"
-
 	kitlog "github.com/go-kit/log"
 	"github.com/gogo/status"
 	"github.com/golang/protobuf/proto" // nolint: all  //ProtoReflect
@@ -1150,7 +1149,7 @@ func TestLogDiscardedSpansWhenPushToIngesterFails(t *testing.T) {
 			}
 
 			// mock ingester errors
-			for _, ingester := range maps.Values(ingesters) {
+			for ingester := range maps.Values(ingesters) {
 				ingester.pushBytesV2 = func(_ context.Context, _ *tempopb.PushBytesRequest, _ ...grpc.CallOption) (*tempopb.PushResponse, error) {
 					return &tempopb.PushResponse{
 						ErrorsByTrace: tc.pushErrorByTrace,

modules/distributor/forwarder/manager_test.go

@@ -2,13 +2,13 @@ package forwarder
 
 import (
 	"context"
+	"slices"
 	"testing"
 
 	"github.com/go-kit/log"
 	dslog "github.com/grafana/dskit/log"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/collector/pdata/ptrace"
-	"golang.org/x/exp/slices"
 )
 
 type mockWorkingOverrides struct {

modules/generator/instance.go

@@ -3,6 +3,7 @@ package generator
 import (
 	"context"
 	"fmt"
+	"maps"
 	"reflect"
 	"strings"
 	"sync"
@@ -13,7 +14,6 @@ import (
 	"github.com/grafana/tempo/tempodb"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
-	"golang.org/x/exp/maps"
 
 	"github.com/grafana/tempo/modules/generator/processor"
 	"github.com/grafana/tempo/modules/generator/processor/localblocks"

modules/overrides/overrides_tenant_status_http.go

@@ -5,10 +5,10 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
+	"slices"
 	"time"
 
 	"github.com/gorilla/mux"
-	"golang.org/x/exp/slices"
 	"gopkg.in/yaml.v2"
 
 	"github.com/grafana/tempo/pkg/util"

modules/overrides/overrides_tenants_http.go

@@ -3,13 +3,13 @@ package overrides
 import (
 	_ "embed" // Used to embed html templates
 	"html/template"
+	"maps"
 	"net/http"
+	"slices"
 	"sort"
 	"strings"
 	"time"
 
-	"golang.org/x/exp/maps"
-
 	"github.com/grafana/tempo/pkg/util"
 )
 
@@ -63,7 +63,7 @@ func TenantsHandler(o Interface) http.HandlerFunc {
 			}
 		}
 
-		tenantsList := maps.Values(tenants)
+		tenantsList := slices.AppendSeq(make([]*tenantsPageTenant, 0, len(tenants)), maps.Values(tenants))
 		sortTenantsPageTenant(tenantsList)
 
 		util.RenderHTTPResponse(w, tenantsPageContents{

modules/overrides/runtime_config_overrides.go

@@ -5,12 +5,13 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"maps"
 	"net/http"
+	"slices"
 	"time"
 
 	"github.com/drone/envsubst"
 	"github.com/go-kit/log/level"
-	"golang.org/x/exp/maps"
 
 	"github.com/grafana/dskit/runtimeconfig"
 	"github.com/grafana/dskit/services"
@@ -277,7 +278,8 @@ func (o *runtimeConfigOverridesManager) GetTenantIDs() []string {
 		return nil
 	}
 
-	return maps.Keys(tenantOverrides.TenantLimits)
+	limits := tenantOverrides.TenantLimits
+	return slices.AppendSeq(make([]string, 0, len(limits)), maps.Keys(limits))
 }
 
 func (o *runtimeConfigOverridesManager) GetRuntimeOverridesFor(userID string) *Overrides {

modules/overrides/user_configurable_overrides.go

@@ -6,7 +6,9 @@ import (
 	"flag"
 	"fmt"
 	"io"
+	"maps"
 	"net/http"
+	"slices"
 	"sync"
 	"time"
 
@@ -15,8 +17,6 @@ import (
 	"github.com/grafana/dskit/services"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
-	"golang.org/x/exp/maps"
-	"golang.org/x/exp/slices"
 	"gopkg.in/yaml.v2"
 
 	userconfigurableoverrides "github.com/grafana/tempo/modules/overrides/userconfigurable/client"
@@ -212,7 +212,8 @@ func (o *userConfigurableOverridesManager) setTenantLimit(userID string, limits
 }
 
 func (o *userConfigurableOverridesManager) GetTenantIDs() []string {
-	return maps.Keys(o.getAllTenantLimits())
+	limits := o.getAllTenantLimits()
+	return slices.AppendSeq(make([]string, 0, len(limits)), maps.Keys(limits))
 }
 
 func (o *userConfigurableOverridesManager) Forwarders(userID string) []string {