Update .golangci.yml config to resolve deprecation warnings

.golangci.yml

@@ -18,14 +18,6 @@ run:
   # list of build tags, all linters use it. Default is empty list.
   build-tags:
 
-  # which dirs to skip: they won't be analyzed;
-  # can use regexp here: generated.*, regexp is applied on full path;
-  # default value is empty list, but next dirs are always skipped independently
-  # from this option's value:
-  #   	vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
-  skip-dirs:
-    - test/sdk/restapi
-
   # which files to skip: they will be analyzed, but issues from them
   # won't be reported. Default value is empty list, but there is
   # no need to include all autogenerated files, we confidently recognize
@@ -34,8 +26,15 @@ run:
   modules-download-mode: vendor
 # output configuration options
 output:
-  # colored-line-number|line-number|json|tab|checkstyle, default is "colored-line-number"
-  format: colored-line-number
+  # the formats used to render issues
+  # formats: colored-line-number, line-number, json, colored-tab,
+  #          tab, html, checkstyle, code-climate, junit-xml,
+  #          junit-xml-extended, github-actions, teamcity, sarif
+  # output path can be either `stdout`, `stderr`
+  # or path to the file to write to
+  formats:
+    - format: colored-line-number
+      path: stdout
 
   # print lines of code with issue, default is true
   print-issued-lines: true
@@ -45,20 +44,21 @@ output:
 linters:
   enable:
     - bodyclose
+    - copyloopvar
     - dupl
-    - exportloopref
     - goconst
     - gocritic
     - gocyclo
     - goimports
+    - gosimple
     - govet
-    - megacheck
     - misspell
     - nakedret
     - revive
     - staticcheck
     - unconvert
     - unparam
+    - unused
 linters-settings:
   govet:
     disable-all: false
@@ -88,3 +88,10 @@ issues:
     - path: (.+)_test\.go|^test/|^cmd/.*|^pkg/apis/.*
       # fieldalignment is in the `govet` linter, so exclude based on text instead of all of govet
       text: '^fieldalignment: .*'
+
+  # which dirs to exclude: issues from them won't be reported
+  # default dirs are skipped independently of this option's value
+  # (see exclude-dirs-use-default)
+  # default: []
+  exclude-dirs:
+    - test/sdk/restapi

pkg/allocation/converters/converter.go

@@ -286,7 +286,6 @@ func convertInternalLabelSelectorToLabelSelector(in *metav1.LabelSelector) *pb.L
 func convertInternalLabelSelectorsToLabelSelectors(in []allocationv1.GameServerSelector) []*pb.GameServerSelector {
 	var result []*pb.GameServerSelector
 	for _, l := range in {
-		l := l
 		c := convertInternalGameServerSelectorToGameServer(&l)
 		result = append(result, c)
 	}

pkg/allocation/converters/converter_test.go

@@ -626,7 +626,6 @@ func TestConvertAllocationRequestToGameServerAllocation(t *testing.T) {
 		},
 	}
 	for _, tc := range tests {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 
@@ -834,7 +833,6 @@ func TestConvertGSAToAllocationRequest(t *testing.T) {
 		},
 	}
 	for _, tc := range tests {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 
@@ -1370,7 +1368,6 @@ func TestConvertGSAToAllocationResponse(t *testing.T) {
 		},
 	}
 	for _, tc := range tests {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 			runtime.FeatureTestMutex.Lock()
@@ -1561,7 +1558,6 @@ func TestConvertAllocationResponseToGSA(t *testing.T) {
 		},
 	}
 	for _, tc := range tests {
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			t.Parallel()
 			runtime.FeatureTestMutex.Lock()

pkg/gameserverallocations/allocation_cache_test.go

@@ -174,8 +174,6 @@ func TestAllocationCacheListSortedGameServers(t *testing.T) {
 	}
 
 	for k, v := range fixtures {
-		k := k
-		v := v
 		t.Run(k, func(t *testing.T) {
 			// deliberately not resetting the Feature state, to catch any possible unknown regressions with the
 			// new feature flags

pkg/sdkserver/localsdk.go

@@ -882,7 +882,7 @@ func (l *LocalSDKServer) setGameServerFromFilePath(filePath string) error {
 	l.logger.WithField("filePath", filePath).Info("Reading GameServer configuration")
 
 	reader, err := os.Open(filePath) // nolint: gosec
-	defer reader.Close()             // nolint: megacheck,errcheck
+	defer reader.Close()             // nolint: staticcheck,errcheck
 
 	if err != nil {
 		return err

pkg/sdkserver/localsdk_test.go

@@ -160,9 +160,6 @@ func TestLocalSDKServerSetLabel(t *testing.T) {
 	}
 
 	for k, v := range fixtures {
-		// pin variables here, see scopelint for details
-		k := k
-		v := v
 		t.Run(k, func(t *testing.T) {
 			ctx := context.Background()
 			e := &sdk.Empty{}
@@ -470,9 +467,6 @@ func TestLocalSDKServerPlayerConnectAndDisconnect(t *testing.T) {
 	}
 
 	for k, v := range fixtures {
-		// pin variables here, see https://github.com/kyoh86/scopelint for the details
-		k := k
-		v := v
 		t.Run(k, func(t *testing.T) {
 			var l *LocalSDKServer
 			var err error

test/e2e/fleet_test.go

@@ -303,7 +303,6 @@ func TestFleetScaleUpEditAndScaleDown(t *testing.T) {
 	fixtures := []bool{true, false}
 
 	for _, usePatch := range fixtures {
-		usePatch := usePatch
 		t.Run("Use fleet Patch "+fmt.Sprint(usePatch), func(t *testing.T) {
 			t.Parallel()
 			ctx := context.Background()
@@ -633,7 +632,6 @@ func TestScaleFleetUpAndDownWithGameServerAllocation(t *testing.T) {
 	fixtures := []bool{false, true}
 
 	for _, usePatch := range fixtures {
-		usePatch := usePatch
 		t.Run("Use fleet Patch "+fmt.Sprint(usePatch), func(t *testing.T) {
 			t.Parallel()
 
@@ -714,8 +712,6 @@ func TestFleetUpdates(t *testing.T) {
 	}
 
 	for k, v := range fixtures {
-		k := k
-		v := v
 		t.Run(k, func(t *testing.T) {
 			t.Parallel()
 			client := framework.AgonesClient.AgonesV1()
@@ -1380,7 +1376,6 @@ func TestFleetRecreateGameServers(t *testing.T) {
 			podClient := framework.KubeClient.CoreV1().Pods(framework.Namespace)
 
 			for _, gs := range list.Items {
-				gs := gs
 				pod, err := podClient.Get(ctx, gs.ObjectMeta.Name, metav1.GetOptions{})
 				assert.NoError(t, err)
 
@@ -1392,7 +1387,6 @@ func TestFleetRecreateGameServers(t *testing.T) {
 		}},
 		"gameserver shutdown": {f: func(t *testing.T, list *agonesv1.GameServerList) {
 			for _, gs := range list.Items {
-				gs := gs
 				var reply string
 				reply, err := framework.SendGameServerUDP(t, &gs, "EXIT")
 				if err != nil {
@@ -1410,7 +1404,6 @@ func TestFleetRecreateGameServers(t *testing.T) {
 		}},
 		"gameserver unhealthy": {f: func(t *testing.T, list *agonesv1.GameServerList) {
 			for _, gs := range list.Items {
-				gs := gs
 				var reply string
 				reply, err := framework.SendGameServerUDP(t, &gs, "UNHEALTHY")
 				if err != nil {
@@ -1423,8 +1416,6 @@ func TestFleetRecreateGameServers(t *testing.T) {
 	}
 
 	for k, v := range tests {
-		k := k
-		v := v
 		t.Run(k, func(t *testing.T) {
 			t.Parallel()
 			client := framework.AgonesClient.AgonesV1()

test/e2e/gameserverallocation_test.go

@@ -44,7 +44,6 @@ func TestCreateFleetAndGameServerAllocate(t *testing.T) {
 	fixtures := []apis.SchedulingStrategy{apis.Packed, apis.Distributed}
 
 	for _, strategy := range fixtures {
-		strategy := strategy
 		t.Run(string(strategy), func(t *testing.T) {
 			t.Parallel()
 			ctx := context.Background()
@@ -999,7 +998,6 @@ func TestMultiClusterAllocationOnLocalCluster(t *testing.T) {
 
 	fixtures := []apis.SchedulingStrategy{apis.Packed, apis.Distributed}
 	for _, strategy := range fixtures {
-		strategy := strategy
 		t.Run(string(strategy), func(t *testing.T) {
 			if strategy == apis.Distributed {
 				framework.SkipOnCloudProduct(t, "gke-autopilot", "Autopilot does not support Distributed scheduling")
@@ -1138,8 +1136,6 @@ func TestCreateFullFleetAndCantGameServerAllocate(t *testing.T) {
 	fixtures := []apis.SchedulingStrategy{apis.Packed, apis.Distributed}
 
 	for _, strategy := range fixtures {
-		strategy := strategy
-
 		t.Run(string(strategy), func(t *testing.T) {
 			if strategy == apis.Distributed {
 				framework.SkipOnCloudProduct(t, "gke-autopilot", "Autopilot does not support Distributed scheduling")