Fix Golangci Lint v1.61

internal/environment/nomad_environment.go

@@ -95,6 +95,10 @@
 	count, err := strconv.Atoi(configTaskGroup.Meta[nomad.ConfigMetaPoolSizeKey])
 	if err != nil {
 		log.WithError(err).Error("Prewarming pool size can not be parsed from Job")
+		return 0
+	} else if count < 0 {
+		log.WithError(util.ErrOverflow).WithField("size", count).Warning("Not a valid Prewarming pool size")
+		return 0
 	}
 	return uint(count)
 }
@@ -112,41 +116,50 @@
 func (n *NomadEnvironment) CPULimit() uint {
 	defaultTaskGroup := nomad.FindAndValidateDefaultTaskGroup(n.job)
 	defaultTask := nomad.FindAndValidateDefaultTask(defaultTaskGroup)
-	return uint(*defaultTask.Resources.CPU)
+	cpuLimit := *defaultTask.Resources.CPU
+	if cpuLimit < 0 {
+		log.WithError(util.ErrOverflow).WithField("limit", cpuLimit).Warning("not a valid CPU limit")
+		return 0
+	}
+	return uint(cpuLimit)
 }
 
 func (n *NomadEnvironment) SetCPULimit(limit uint) error {
 	if limit > math.MaxInt32 {
-		return fmt.Errorf("limit too high: %w", util.ErrMaxNumberExceeded)
+		return fmt.Errorf("limit too high: %w", util.ErrOverflow)
 	}
 
 	defaultTaskGroup := nomad.FindAndValidateDefaultTaskGroup(n.job)
 	defaultTask := nomad.FindAndValidateDefaultTask(defaultTaskGroup)
 
-	integerCPULimit := int(limit) //nolint:gosec // We check for an integer overflow right above.
+	integerCPULimit := int(limit)
 	defaultTask.Resources.CPU = &integerCPULimit
 	return nil
 }
 
 func (n *NomadEnvironment) MemoryLimit() uint {
 	defaultTaskGroup := nomad.FindAndValidateDefaultTaskGroup(n.job)
 	defaultTask := nomad.FindAndValidateDefaultTask(defaultTaskGroup)
-	maxMemoryLimit := defaultTask.Resources.MemoryMaxMB
-	if maxMemoryLimit != nil {
-		return uint(*maxMemoryLimit)
+	if defaultTask.Resources.MemoryMaxMB == nil {
+		return 0
+	}
+	maxMemoryLimit := *defaultTask.Resources.MemoryMaxMB
+	if maxMemoryLimit < 0 {
+		log.WithError(util.ErrOverflow).WithField("limit", maxMemoryLimit).Warning("not a valid memory limit")
+		return 0
 	}
-	return 0
+	return uint(maxMemoryLimit)
 }
 
 func (n *NomadEnvironment) SetMemoryLimit(limit uint) error {
 	if limit > math.MaxInt32 {
-		return fmt.Errorf("limit too high: %w", util.ErrMaxNumberExceeded)
+		return fmt.Errorf("limit too high: %w", util.ErrOverflow)
 	}
 
 	defaultTaskGroup := nomad.FindAndValidateDefaultTaskGroup(n.job)
 	defaultTask := nomad.FindAndValidateDefaultTask(defaultTaskGroup)
 
-	integerMemoryMaxLimit := int(limit) //nolint:gosec // We check for an integer overflow right above.
+	integerMemoryMaxLimit := int(limit)
 	defaultTask.Resources.MemoryMaxMB = &integerMemoryMaxLimit
 	return nil
 }

internal/nomad/command_execution.go

@@ -169,10 +169,10 @@ func injectStartDebugMessage(command string, start uint, end int) string {
 	if start < uint(len(commandFields)) {
 		commandFields = commandFields[start:]
 
-		if start > uint(math.MaxInt32)-uint(end) {
+		if (end < 0 && start > uint(math.MaxInt32)) || (end > 0 && start > uint(math.MaxInt32)-uint(end)) {
 			log.WithField("start", start).Error("passed start too big")
 		}
-		end -= int(start) //nolint:gosec // We check for an integer overflow right above.
+		end -= int(start)
 	}
 	if end >= 0 && end < len(commandFields) {
 		commandFields = commandFields[:end]

internal/runner/aws_runner_test.go

@@ -75,7 +75,7 @@ func (s *MainTestSuite) TestAWSFunctionWorkload_ExecuteInteractively() {
 	s.Run("establishes WebSocket connection to AWS endpoint", func() {
 		// Convert http://127.0.0.1 to ws://127.0.0.1
 		config.Config.AWS.Endpoint = "ws" + strings.TrimPrefix(sv.URL, "http")
-		awsMock.ctx, cancel = context.WithCancel(context.Background())
+		awsMock.ctx, cancel = context.WithCancel(context.Background()) //nolint:fatcontext // We are resetting the context not making it bigger.
 		cancel()
 
 		runnerWorkload.StoreExecution(tests.DefaultEnvironmentIDAsString, &dto.ExecutionRequest{})
@@ -88,7 +88,7 @@ func (s *MainTestSuite) TestAWSFunctionWorkload_ExecuteInteractively() {
 
 	s.Run("sends execution request", func() {
 		s.T().Skip("The AWS runner ignores its context for executions and waits infinitely for the exit message.")
-		awsMock.ctx, cancel = context.WithTimeout(context.Background(), tests.ShortTimeout)
+		awsMock.ctx, cancel = context.WithTimeout(context.Background(), tests.ShortTimeout) //nolint:fatcontext // We are not making the context bigger.
 		defer cancel()
 		command := "sl"
 		request := &dto.ExecutionRequest{Command: command}

internal/runner/nomad_manager.go

@@ -155,7 +155,7 @@ func (m *NomadRunnerManager) checkPrewarmingPoolAlert(ctx context.Context, envir
 	if reloadTimeout > uint(math.MaxInt64)/uint(time.Second) {
 		log.WithField("timeout", reloadTimeout).Error("configured reload timeout too big")
 	}
-	reloadTimeoutDuration := time.Duration(reloadTimeout) * time.Second //nolint:gosec // We check for an integer overflow right above.
+	reloadTimeoutDuration := time.Duration(reloadTimeout) * time.Second
 
 	if reloadTimeout == 0 || float64(environment.IdleRunnerCount())/float64(environment.PrewarmingPoolSize()) >= prewarmingPoolThreshold {
 		return

internal/runner/nomad_manager_test.go

@@ -693,7 +693,7 @@ func (s *MainTestSuite) TestNomadRunnerManager_Load() {
 }
 
 func (s *MainTestSuite) TestNomadRunnerManager_checkPrewarmingPoolAlert() {
-	timeout := 1
+	const timeout = 1
 	config.Config.Server.Alert.PrewarmingPoolReloadTimeout = uint(timeout)
 	config.Config.Server.Alert.PrewarmingPoolThreshold = 0.5
 	environment := &ExecutionEnvironmentMock{}

internal/runner/nomad_runner.go

@@ -110,8 +110,11 @@
 func (r *NomadJob) MappedPorts() []*dto.MappedPort {
 	ports := make([]*dto.MappedPort, 0, len(r.portMappings))
 	for _, portMapping := range r.portMappings {
+		if portMapping.To < 0 {
+			log.WithError(util.ErrOverflow).WithField("mapping", portMapping.To).Warn("not a valid port")
+		}
 		ports = append(ports, &dto.MappedPort{
-			ExposedPort: uint(portMapping.To),
+			ExposedPort: uint(portMapping.To), //nolint:gosec // We check for an overflow right above.
 			HostAddress: fmt.Sprintf("%s:%d", portMapping.HostIP, portMapping.Value),
 		})
 	}
@@ -132,7 +135,7 @@
 			return fmt.Errorf("failed parsing the port: %w", err)
 		}
 		if portMapping.ExposedPort > math.MaxInt32 {
-			return util.ErrMaxNumberExceeded
+			return util.ErrOverflow
 		}
 
 		mapping = append(mapping, nomadApi.PortMapping{

pkg/monitoring/influxdb2_middleware.go

@@ -71,9 +71,9 @@
 
 	// Set options for retrying with the influx client.
 	options := influxdb2.DefaultOptions()
-	options.SetRetryInterval(uint(retryInterval.Milliseconds()))
+	options.SetRetryInterval(uint(retryInterval.Milliseconds())) //nolint:gosec // The constant 5_000 do not overflow uint.
 	options.SetMaxRetries(maxRetries)
-	options.SetMaxRetryTime(uint(retryExpire.Milliseconds()))
+	options.SetMaxRetryTime(uint(retryExpire.Milliseconds())) //nolint:gosec // The constant 600_000 do not overflow uint.
 	options.SetRetryBufferLimit(retryBufferLimit)
 
 	// Create a new influx client.

pkg/util/util.go

@@ -15,7 +15,7 @@ var (
 	// InitialWaitingDuration is the default initial duration of waiting after a failed time.
 	InitialWaitingDuration = time.Second
 	ErrRetryContextDone    = errors.New("the retry context is done")
-	ErrMaxNumberExceeded   = errors.New("the passed number is too big")
+	ErrOverflow            = errors.New("the passed number is too small or too big")
 )
 
 func retryExponential(ctx context.Context, sleep time.Duration, f func() error) func() error {