chore(codebase): enable copyloopvar

.golangci.yml

@@ -3,6 +3,7 @@ version: "2"
 linters:
   default: none
   enable: # golangci-lint help linters
+    - copyloopvar # A linter detects places where loop variables are copied. https://golangci-lint.run/usage/linters/#copyloopvar
     - dogsled
     - goprintffuncname
     - govet

provider/ovh/ovh.go

@@ -223,7 +223,6 @@ func (p *OVHProvider) handleSingleZoneUpdate(ctx context.Context, zoneName strin
 
 	eg, ctxErrGroup := errgroup.WithContext(ctx)
 	for _, change := range allChanges {
-		change := change
 		eg.Go(func() error {
 			return p.change(ctxErrGroup, change)
 		})
@@ -350,7 +349,6 @@ func (p *OVHProvider) zonesRecords(ctx context.Context) ([]string, []ovhRecord,
 	chRecords := make(chan []ovhRecord, len(zones))
 	eg, ctx := errgroup.WithContext(ctx)
 	for _, zone := range zones {
-		zone := zone
 		eg.Go(func() error { return p.records(ctx, &zone, chRecords) })
 	}
 	if err := eg.Wait(); err != nil {
@@ -430,7 +428,6 @@ func (p *OVHProvider) records(ctx context.Context, zone *string, records chan<-
 	}
 	chRecords := make(chan ovhRecord, len(recordsIds))
 	for _, id := range recordsIds {
-		id := id
 		eg.Go(func() error { return p.record(ctxErrGroup, zone, id, chRecords) })
 	}
 	if err := eg.Wait(); err != nil {

source/ambassador_host_test.go

@@ -32,6 +32,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	fakeDynamic "k8s.io/client-go/dynamic/fake"
 	fakeKube "k8s.io/client-go/kubernetes/fake"
+
 	"sigs.k8s.io/external-dns/endpoint"
 	"sigs.k8s.io/external-dns/source/annotations"
 )
@@ -614,7 +615,7 @@ func TestAmbassadorHostSource(t *testing.T) {
 			expected: []*endpoint.Endpoint{},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/connector_test.go

@@ -119,7 +119,7 @@ func testConnectorSourceEndpoints(t *testing.T) {
 			expectError: false,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/contour_httpproxy_test.go

@@ -31,6 +31,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
+
 	"sigs.k8s.io/external-dns/endpoint"
 )
 
@@ -178,7 +179,7 @@ func TestNewContourHTTPProxySource(t *testing.T) {
 			annotationFilter: "contour.heptio.com/ingress.class=contour",
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -282,7 +283,7 @@ func testEndpointsFromHTTPProxy(t *testing.T) {
 			expected: []*endpoint.Endpoint{},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1034,7 +1035,7 @@ func testHTTPProxyEndpoints(t *testing.T) {
 			ignoreHostnameAnnotation: true,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/crd_test.go

@@ -468,7 +468,7 @@ func testCRDSourceEndpoints(t *testing.T) {
 			expectError:     false,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/gateway_httproute_test.go

@@ -26,12 +26,13 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	kubefake "k8s.io/client-go/kubernetes/fake"
-	"sigs.k8s.io/external-dns/endpoint"
-	"sigs.k8s.io/external-dns/internal/testutils"
-	"sigs.k8s.io/external-dns/source/annotations"
 	v1 "sigs.k8s.io/gateway-api/apis/v1"
 	v1beta1 "sigs.k8s.io/gateway-api/apis/v1beta1"
 	gatewayfake "sigs.k8s.io/gateway-api/pkg/client/clientset/versioned/fake"
+
+	"sigs.k8s.io/external-dns/endpoint"
+	"sigs.k8s.io/external-dns/internal/testutils"
+	"sigs.k8s.io/external-dns/source/annotations"
 )
 
 func mustGetLabelSelector(s string) labels.Selector {
@@ -1581,7 +1582,7 @@ func TestGatewayHTTPRouteSourceEndpoints(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
-		tt := tt
+
 		t.Run(tt.title, func(t *testing.T) {
 			if len(tt.logExpectations) == 0 {
 				t.Parallel()

source/ingress_test.go

@@ -138,7 +138,7 @@ func TestNewIngressSource(t *testing.T) {
 			annotationFilter:  "kubernetes.io/ingress.class=nginx",
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1424,7 +1424,7 @@ func testIngressEndpoints(t *testing.T) {
 			expected: []*endpoint.Endpoint{},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/istio_gateway_test.go

@@ -160,7 +160,7 @@ func TestNewIstioGatewaySource(t *testing.T) {
 			annotationFilter: "kubernetes.io/gateway.class=nginx",
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -492,7 +492,7 @@ func testEndpointsFromGatewayConfig(t *testing.T) {
 			},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1473,7 +1473,7 @@ func testGatewayEndpoints(t *testing.T) {
 			expectError: true,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/istio_virtualservice_test.go

@@ -184,7 +184,7 @@ func TestNewIstioVirtualServiceSource(t *testing.T) {
 			annotationFilter: "kubernetes.io/gateway.class=nginx",
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -693,7 +693,7 @@ func testEndpointsFromVirtualServiceConfig(t *testing.T) {
 			},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1945,7 +1945,7 @@ func testVirtualServiceEndpoints(t *testing.T) {
 			fqdnTemplate: "{{.Name}}.ext-dns.test.com",
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/kong_tcpingress_test.go

@@ -28,6 +28,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	fakeDynamic "k8s.io/client-go/dynamic/fake"
 	fakeKube "k8s.io/client-go/kubernetes/fake"
+
 	"sigs.k8s.io/external-dns/endpoint"
 )
 
@@ -342,7 +343,7 @@ func TestKongTCPIngressEndpoints(t *testing.T) {
 			},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/multisource_test.go

@@ -73,7 +73,7 @@ func testMultiSourceEndpoints(t *testing.T) {
 			[]*endpoint.Endpoint{foo, bar},
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 

source/node_test.go

@@ -22,6 +22,7 @@ import (
 
 	log "github.com/sirupsen/logrus"
 	"github.com/sirupsen/logrus/hooks/test"
+
 	"sigs.k8s.io/external-dns/internal/testutils"
 
 	"github.com/stretchr/testify/assert"
@@ -77,7 +78,7 @@ func testNodeSourceNewNodeSource(t *testing.T) {
 			annotationFilter: "kubernetes.io/ingress.class=nginx",
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 

source/openshift_route_test.go

@@ -136,7 +136,7 @@ func testOcpRouteSourceNewOcpRouteSource(t *testing.T) {
 			labelFilter: "app=web-external",
 		},
 	} {
-		ti := ti
+
 		labelSelector, err := labels.Parse(ti.labelFilter)
 		require.NoError(t, err)
 		t.Run(ti.title, func(t *testing.T) {
@@ -516,7 +516,7 @@ func testOcpRouteSourceEndpoints(t *testing.T) {
 			expected: []*endpoint.Endpoint{},
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 			// Create a Kubernetes testing client

source/pod_test.go

@@ -23,6 +23,7 @@ import (
 	"github.com/stretchr/testify/require"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	"sigs.k8s.io/external-dns/endpoint"
 
 	"k8s.io/client-go/kubernetes/fake"
@@ -599,7 +600,7 @@ func TestPodSource(t *testing.T) {
 			},
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 

source/service_test.go

@@ -145,7 +145,7 @@ func testServiceSourceNewServiceSource(t *testing.T) {
 			serviceTypesFilter: []string{string(v1.ServiceTypeClusterIP)},
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1074,7 +1074,7 @@ func testServiceSourceEndpoints(t *testing.T) {
 			},
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1303,7 +1303,7 @@ func testMultipleServicesEndpoints(t *testing.T) {
 			false,
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1611,7 +1611,7 @@ func TestClusterIpServices(t *testing.T) {
 			expected:  []*endpoint.Endpoint{},
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -2303,7 +2303,7 @@ func TestServiceSourceNodePortServices(t *testing.T) {
 			}},
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -3079,7 +3079,7 @@ func TestHeadlessServices(t *testing.T) {
 			false,
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -3548,7 +3548,7 @@ func TestHeadlessServicesHostIP(t *testing.T) {
 			false,
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -3777,7 +3777,7 @@ func TestExternalServices(t *testing.T) {
 			false,
 		},
 	} {
-		tc := tc
+
 		t.Run(tc.title, func(t *testing.T) {
 			t.Parallel()
 

source/targetfiltersource_test.go

@@ -131,7 +131,7 @@ func TestTargetFilterSourceEndpoints(t *testing.T) {
 		},
 	}
 	for _, tt := range tests {
-		tt := tt
+
 		t.Run(tt.title, func(t *testing.T) {
 			t.Parallel()
 

source/traefik_proxy_test.go

@@ -32,6 +32,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	fakeDynamic "k8s.io/client-go/dynamic/fake"
 	fakeKube "k8s.io/client-go/kubernetes/fake"
+
 	"sigs.k8s.io/external-dns/endpoint"
 )
 
@@ -328,7 +329,7 @@ func TestTraefikProxyIngressRouteEndpoints(t *testing.T) {
 			expected: nil,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -622,7 +623,7 @@ func TestTraefikProxyIngressRouteTCPEndpoints(t *testing.T) {
 			expected: nil,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -764,7 +765,7 @@ func TestTraefikProxyIngressRouteUDPEndpoints(t *testing.T) {
 			expected:                 nil,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1094,7 +1095,7 @@ func TestTraefikProxyOldIngressRouteEndpoints(t *testing.T) {
 			expected: nil,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1388,7 +1389,7 @@ func TestTraefikProxyOldIngressRouteTCPEndpoints(t *testing.T) {
 			expected: nil,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1530,7 +1531,7 @@ func TestTraefikProxyOldIngressRouteUDPEndpoints(t *testing.T) {
 			expected:                 nil,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()
 
@@ -1693,7 +1694,7 @@ func TestTraefikAPIGroupDisableFlags(t *testing.T) {
 			disableNew:    true,
 		},
 	} {
-		ti := ti
+
 		t.Run(ti.title, func(t *testing.T) {
 			t.Parallel()