Fixing and enabling more linters

.golangci.yml

@@ -66,7 +66,6 @@ linters:
     - nestif
     - nlreturn
     - noctx # might be worth fixing
-    - nolintlint
     - nonamedreturns
     - paralleltest
     - protogetter
@@ -98,17 +97,12 @@ linters-settings:
     disabled-checks:
       - dupImport # https://github.com/go-critic/go-critic/issues/845
       - ifElseChain
-      - octalLiteral
       - whyNoLint
-      - wrapperFunc
       - sloppyReassign
       - uncheckedInlineErr # Experimental rule with high false positive rate.
 
       # Broken with Go 1.18 feature (https://github.com/golangci/golangci-lint/issues/2649):
       - hugeParam
-      - rangeValCopy
-      - typeDefFirst
-      - paramTypeCombine
   gocyclo:
     min-complexity: 15
   govet:

app/app.go

@@ -186,7 +186,7 @@ func New(ctx context.Context, opts ...ConfigOption) (*App, error) {
 	return app, nil
 }
 
-func parseDurationTimeout(l *zap.SugaredLogger, flag string, deprecatedFlag string) (time.Duration, bool, error) {
+func parseDurationTimeout(l *zap.SugaredLogger, flag, deprecatedFlag string) (time.Duration, bool, error) {
 	if strValue, ok := os.LookupEnv(flag); ok {
 		d, err := time.ParseDuration(strValue)
 		if err != nil {

e2e-testing/e2e_test.go

@@ -106,7 +106,7 @@ func TestEndToEnd(t *testing.T) {
 	assert.True(t, strings.Contains(mockAPMServerLog, testUUID))
 }
 
-func runTestWithTimer(l *zap.SugaredLogger, path string, serviceName string, serverURL string, buildFlag bool, lambdaFuncTimeout int, resultsChan chan string) string {
+func runTestWithTimer(l *zap.SugaredLogger, path, serviceName, serverURL string, buildFlag bool, lambdaFuncTimeout int, resultsChan chan string) string {
 	timer := time.NewTimer(time.Duration(lambdaFuncTimeout) * time.Second * 2)
 	defer timer.Stop()
 	go runTest(l, path, serviceName, serverURL, buildFlag, lambdaFuncTimeout, resultsChan)
@@ -122,7 +122,7 @@ func buildExtensionBinaries(l *zap.SugaredLogger) {
 	RunCommandInDir(l, "make", []string{}, "..")
 }
 
-func runTest(l *zap.SugaredLogger, path string, serviceName string, serverURL string, buildFlag bool, lambdaFuncTimeout int, resultsChan chan string) {
+func runTest(l *zap.SugaredLogger, path, serviceName, serverURL string, buildFlag bool, lambdaFuncTimeout int, resultsChan chan string) {
 	l.Infof("Starting to test %s", serviceName)
 
 	if !FolderExists(filepath.Join(path, ".aws-sam")) || buildFlag {
@@ -144,7 +144,7 @@ func runTest(l *zap.SugaredLogger, path string, serviceName string, serverURL st
 	resultsChan <- uuidWithHyphen
 }
 
-func retrieveJavaAgent(l *zap.SugaredLogger, samJavaPath string, version string) {
+func retrieveJavaAgent(l *zap.SugaredLogger, samJavaPath, version string) {
 	agentFolderPath := filepath.Join(samJavaPath, "agent")
 	agentArchivePath := filepath.Join(samJavaPath, "agent.zip")
 
@@ -172,7 +172,7 @@ func changeJavaAgentPermissions(l *zap.SugaredLogger, samJavaPath string) {
 	agentFiles, err := os.ReadDir(agentFolderPath)
 	ProcessError(l, err)
 	for _, f := range agentFiles {
-		if err = os.Chmod(filepath.Join(agentFolderPath, f.Name()), 0755); err != nil {
+		if err = os.Chmod(filepath.Join(agentFolderPath, f.Name()), 0o755); err != nil {
 			l.Errorf("Could not change java agent permissions : %v", err)
 		}
 	}

e2e-testing/e2e_util.go

@@ -35,7 +35,7 @@ import (
 
 // GetEnvVarValueOrSetDefault retrieves the environment variable envVarName.
 // If the desired variable is not defined, defaultVal is returned.
-func GetEnvVarValueOrSetDefault(envVarName string, defaultVal string) string {
+func GetEnvVarValueOrSetDefault(envVarName, defaultVal string) string {
 	val := os.Getenv(envVarName)
 	if val == "" {
 		return defaultVal
@@ -83,13 +83,13 @@ func ProcessError(l *zap.SugaredLogger, err error) {
 }
 
 // Unzip is a utility function that unzips a specified zip archive to a specified destination.
-func Unzip(l *zap.SugaredLogger, archivePath string, destinationFolderPath string) {
+func Unzip(l *zap.SugaredLogger, archivePath, destinationFolderPath string) {
 	openedArchive, err := zip.OpenReader(archivePath)
 	ProcessError(l, err)
 	defer openedArchive.Close()
 
 	// Permissions setup
-	err = os.MkdirAll(destinationFolderPath, 0755)
+	err = os.MkdirAll(destinationFolderPath, 0o755)
 	if err != nil {
 		l.Errorf("Could not create folders required to unzip, %v", err)
 	}

logsapi/metrics_test.go

@@ -15,7 +15,6 @@
 // specific language governing permissions and limitations
 // under the License.
 
-//nolint:dupl
 package logsapi
 
 import (

logsapi/subscribe.go

@@ -82,7 +82,7 @@ func (lc *Client) startHTTPServer() (string, error) {
 	return addr, nil
 }
 
-func (lc *Client) subscribe(types []SubscriptionType, extensionID string, uri string) error {
+func (lc *Client) subscribe(types []SubscriptionType, extensionID, uri string) error {
 	data, err := json.Marshal(&SubscribeRequest{
 		SchemaVersion: SchemaVersionLatest,
 		LogTypes:      types,