From c05cec6d504a0e3c9f1f062524a5eab1eb3903fc Mon Sep 17 00:00:00 2001
From: Sean O'Neill <s.oneill@f5.com>
Date: Tue, 7 Dec 2021 10:18:12 +0000
Subject: [PATCH] more lint fixes

---
 internal/configs/parsing_helpers.go       |  2 +-
 internal/configs/version2/http.go         |  1 +
 internal/configs/warnings.go              |  4 ++--
 internal/k8s/configuration_test.go        | 10 ++++-----
 internal/k8s/controller.go                |  4 +++-
 internal/k8s/reference_checkers.go        | 24 ++++++++++-----------
 internal/k8s/secrets/store.go             |  2 +-
 internal/k8s/spiffe.go                    | 11 +++++-----
 internal/metrics/collectors/controller.go |  8 +++----
 internal/metrics/collectors/manager.go    |  6 +++---
 internal/nginx/fake_manager.go            | 26 +++++++++++------------
 internal/nginx/manager.go                 | 12 +++++++----
 internal/nginx/verify_test.go             |  2 +-
 pkg/apis/configuration/register.go        |  1 +
 pkg/apis/configuration/v1/register.go     |  4 +++-
 pkg/apis/dos/v1beta1/register.go          |  4 +++-
 16 files changed, 67 insertions(+), 54 deletions(-)

diff --git a/internal/configs/parsing_helpers.go b/internal/configs/parsing_helpers.go
index d8c6db7986..f785486b11 100644
--- a/internal/configs/parsing_helpers.go
+++ b/internal/configs/parsing_helpers.go
@@ -79,7 +79,7 @@ func GetMapKeyAsUint64(m map[string]string, key string, context apiObject, nonZe
 }
 
 // GetMapKeyAsStringSlice tries to find and parse a key in the map as string slice splitting it on delimiter.
-func GetMapKeyAsStringSlice(m map[string]string, key string, context apiObject, delimiter string) ([]string, bool, error) {
+func GetMapKeyAsStringSlice(m map[string]string, key string, _ apiObject, delimiter string) ([]string, bool, error) {
 	if str, exists := m[key]; exists {
 		slice := strings.Split(str, delimiter)
 		return slice, exists, nil
diff --git a/internal/configs/version2/http.go b/internal/configs/version2/http.go
index 3edd700f6c..0ec8355498 100644
--- a/internal/configs/version2/http.go
+++ b/internal/configs/version2/http.go
@@ -107,6 +107,7 @@ type EgressMTLS struct {
 	SSLName        string
 }
 
+// OIDC holds OIDC configuration data.
 type OIDC struct {
 	AuthEndpoint  string
 	ClientID      string
diff --git a/internal/configs/warnings.go b/internal/configs/warnings.go
index 6a335312f3..6084728629 100644
--- a/internal/configs/warnings.go
+++ b/internal/configs/warnings.go
@@ -20,12 +20,12 @@ func (w Warnings) Add(warnings Warnings) {
 	}
 }
 
-// Adds a warning for the specified object using the provided format and arguments.
+// AddWarningf Adds a warning for the specified object using the provided format and arguments.
 func (w Warnings) AddWarningf(obj runtime.Object, msgFmt string, args ...interface{}) {
 	w[obj] = append(w[obj], fmt.Sprintf(msgFmt, args...))
 }
 
-// Adds a warning for the specified object.
+// AddWarning Adds a warning for the specified object.
 func (w Warnings) AddWarning(obj runtime.Object, msg string) {
 	w[obj] = append(w[obj], msg)
 }
diff --git a/internal/k8s/configuration_test.go b/internal/k8s/configuration_test.go
index 0aadfd7777..69942920f4 100644
--- a/internal/k8s/configuration_test.go
+++ b/internal/k8s/configuration_test.go
@@ -3048,23 +3048,23 @@ type testReferenceChecker struct {
 	onlyTransportServers    bool
 }
 
-func (rc *testReferenceChecker) IsReferencedByIngress(namespace string, name string, ing *networking.Ingress) bool {
+func (rc *testReferenceChecker) IsReferencedByIngress(namespace string, name string, _ *networking.Ingress) bool {
 	return rc.onlyIngresses && namespace == rc.resourceNamespace && name == rc.resourceName
 }
 
-func (rc *testReferenceChecker) IsReferencedByMinion(namespace string, name string, ing *networking.Ingress) bool {
+func (rc *testReferenceChecker) IsReferencedByMinion(namespace string, name string, _ *networking.Ingress) bool {
 	return rc.onlyMinions && namespace == rc.resourceNamespace && name == rc.resourceName
 }
 
-func (rc *testReferenceChecker) IsReferencedByVirtualServer(namespace string, name string, vs *conf_v1.VirtualServer) bool {
+func (rc *testReferenceChecker) IsReferencedByVirtualServer(namespace string, name string, _ *conf_v1.VirtualServer) bool {
 	return rc.onlyVirtualServers && namespace == rc.resourceNamespace && name == rc.resourceName
 }
 
-func (rc *testReferenceChecker) IsReferencedByVirtualServerRoute(namespace string, name string, vsr *conf_v1.VirtualServerRoute) bool {
+func (rc *testReferenceChecker) IsReferencedByVirtualServerRoute(namespace string, name string, _ *conf_v1.VirtualServerRoute) bool {
 	return rc.onlyVirtualServerRoutes && namespace == rc.resourceNamespace && name == rc.resourceName
 }
 
-func (rc *testReferenceChecker) IsReferencedByTransportServer(namespace string, name string, ts *conf_v1alpha1.TransportServer) bool {
+func (rc *testReferenceChecker) IsReferencedByTransportServer(namespace string, name string, _ *conf_v1alpha1.TransportServer) bool {
 	return rc.onlyTransportServers && namespace == rc.resourceNamespace && name == rc.resourceName
 }
 
diff --git a/internal/k8s/controller.go b/internal/k8s/controller.go
index 9c47914fe8..63bb33c2ee 100644
--- a/internal/k8s/controller.go
+++ b/internal/k8s/controller.go
@@ -147,7 +147,7 @@ type LoadBalancerController struct {
 	metricsCollector              collectors.ControllerCollector
 	globalConfigurationValidator  *validation.GlobalConfigurationValidator
 	transportServerValidator      *validation.TransportServerValidator
-	spiffeController              *spiffeController
+	spiffeController              *SpiffeController
 	internalRoutesEnabled         bool
 	syncLock                      sync.Mutex
 	isNginxReady                  bool
@@ -1381,6 +1381,7 @@ func (lbc *LoadBalancerController) updateTransportServerStatusAndEventsOnDelete(
 	}
 }
 
+// UpdateVirtualServerStatusAndEventsOnDelete updates the virtual server status and events
 func (lbc *LoadBalancerController) UpdateVirtualServerStatusAndEventsOnDelete(vsConfig *VirtualServerConfiguration, changeError string, deleteErr error) {
 	eventType := api_v1.EventTypeWarning
 	eventTitle := "Rejected"
@@ -1422,6 +1423,7 @@ func (lbc *LoadBalancerController) UpdateVirtualServerStatusAndEventsOnDelete(vs
 	// for each VSR, a dedicated problem exists
 }
 
+// UpdateIngressStatusAndEventsOnDelete updates the ingress status and events.
 func (lbc *LoadBalancerController) UpdateIngressStatusAndEventsOnDelete(ingConfig *IngressConfiguration, changeError string, deleteErr error) {
 	eventTitle := "Rejected"
 	eventWarningMessage := ""
diff --git a/internal/k8s/reference_checkers.go b/internal/k8s/reference_checkers.go
index 331262c4fd..5878553c2e 100644
--- a/internal/k8s/reference_checkers.go
+++ b/internal/k8s/reference_checkers.go
@@ -75,11 +75,11 @@ func (rc *secretReferenceChecker) IsReferencedByVirtualServer(secretNamespace st
 	return false
 }
 
-func (rc *secretReferenceChecker) IsReferencedByVirtualServerRoute(secretNamespace string, secretName string, vsr *v1.VirtualServerRoute) bool {
+func (rc *secretReferenceChecker) IsReferencedByVirtualServerRoute(_ string, _ string, _ *v1.VirtualServerRoute) bool {
 	return false
 }
 
-func (rc *secretReferenceChecker) IsReferencedByTransportServer(secretNamespace string, secretName string, ts *conf_v1alpha1.TransportServer) bool {
+func (rc *secretReferenceChecker) IsReferencedByTransportServer(_ string, _ string, _ *conf_v1alpha1.TransportServer) bool {
 	return false
 }
 
@@ -173,11 +173,11 @@ func newPolicyReferenceChecker() *policyReferenceChecker {
 	return &policyReferenceChecker{}
 }
 
-func (rc *policyReferenceChecker) IsReferencedByIngress(policyNamespace string, policyName string, ing *networking.Ingress) bool {
+func (rc *policyReferenceChecker) IsReferencedByIngress(_ string, _ string, _ *networking.Ingress) bool {
 	return false
 }
 
-func (rc *policyReferenceChecker) IsReferencedByMinion(policyNamespace string, policyName string, ing *networking.Ingress) bool {
+func (rc *policyReferenceChecker) IsReferencedByMinion(_ string, _ string, _ *networking.Ingress) bool {
 	return false
 }
 
@@ -205,7 +205,7 @@ func (rc *policyReferenceChecker) IsReferencedByVirtualServerRoute(policyNamespa
 	return false
 }
 
-func (rc *policyReferenceChecker) IsReferencedByTransportServer(policyNamespace string, policyName string, ts *conf_v1alpha1.TransportServer) bool {
+func (rc *policyReferenceChecker) IsReferencedByTransportServer(_ string, _ string, _ *conf_v1alpha1.TransportServer) bool {
 	return false
 }
 
@@ -231,19 +231,19 @@ func (rc *appProtectResourceReferenceChecker) IsReferencedByIngress(namespace st
 	return false
 }
 
-func (rc *appProtectResourceReferenceChecker) IsReferencedByMinion(namespace string, name string, ing *networking.Ingress) bool {
+func (rc *appProtectResourceReferenceChecker) IsReferencedByMinion(_ string, _ string, _ *networking.Ingress) bool {
 	return false
 }
 
-func (rc *appProtectResourceReferenceChecker) IsReferencedByVirtualServer(namespace string, name string, vs *v1.VirtualServer) bool {
+func (rc *appProtectResourceReferenceChecker) IsReferencedByVirtualServer(_ string, _ string, _ *v1.VirtualServer) bool {
 	return false
 }
 
-func (rc *appProtectResourceReferenceChecker) IsReferencedByVirtualServerRoute(namespace string, name string, vsr *v1.VirtualServerRoute) bool {
+func (rc *appProtectResourceReferenceChecker) IsReferencedByVirtualServerRoute(_ string, _ string, _ *v1.VirtualServerRoute) bool {
 	return false
 }
 
-func (rc *appProtectResourceReferenceChecker) IsReferencedByTransportServer(namespace string, name string, ts *conf_v1alpha1.TransportServer) bool {
+func (rc *appProtectResourceReferenceChecker) IsReferencedByTransportServer(_ string, _ string, _ *conf_v1alpha1.TransportServer) bool {
 	return false
 }
 
@@ -278,7 +278,7 @@ func (rc *dosResourceReferenceChecker) IsReferencedByIngress(namespace string, n
 	return res == namespace+"/"+name || (namespace == ing.Namespace && res == name)
 }
 
-func (rc *dosResourceReferenceChecker) IsReferencedByMinion(namespace string, name string, ing *networking.Ingress) bool {
+func (rc *dosResourceReferenceChecker) IsReferencedByMinion(_ string, _ string, _ *networking.Ingress) bool {
 	return false
 }
 
@@ -294,10 +294,10 @@ func (rc *dosResourceReferenceChecker) IsReferencedByVirtualServer(namespace str
 	return false
 }
 
-func (rc *dosResourceReferenceChecker) IsReferencedByVirtualServerRoute(namespace string, name string, vsr *v1.VirtualServerRoute) bool {
+func (rc *dosResourceReferenceChecker) IsReferencedByVirtualServerRoute(_ string, _ string, _ *v1.VirtualServerRoute) bool {
 	return false
 }
 
-func (rc *dosResourceReferenceChecker) IsReferencedByTransportServer(namespace string, name string, ts *conf_v1alpha1.TransportServer) bool {
+func (rc *dosResourceReferenceChecker) IsReferencedByTransportServer(_ string, _ string, _ *conf_v1alpha1.TransportServer) bool {
 	return false
 }
diff --git a/internal/k8s/secrets/store.go b/internal/k8s/secrets/store.go
index e3d356134c..3352fe910c 100644
--- a/internal/k8s/secrets/store.go
+++ b/internal/k8s/secrets/store.go
@@ -136,7 +136,7 @@ func (s *FakeSecretStore) AddOrUpdateSecret(secret *api_v1.Secret) {
 }
 
 // DeleteSecret is a fake implementation of DeleteSecret.
-func (s *FakeSecretStore) DeleteSecret(key string) {
+func (s *FakeSecretStore) DeleteSecret(_ string) {
 }
 
 // GetSecret is a fake implementation of GetSecret.
diff --git a/internal/k8s/spiffe.go b/internal/k8s/spiffe.go
index 53cec979cf..dfb7cfcfb6 100644
--- a/internal/k8s/spiffe.go
+++ b/internal/k8s/spiffe.go
@@ -10,20 +10,21 @@ import (
 	"github.com/spiffe/go-spiffe/workload"
 )
 
-type spiffeController struct {
+// SpiffeController controls spiffe
+type SpiffeController struct {
 	watcher *spiffeWatcher
 	client  *workload.X509SVIDClient
 }
 
 // NewSpiffeController creates the spiffeWatcher and the Spiffe Workload API Client,
 // returns an error if the client cannot connect to the Spire Agent.
-func NewSpiffeController(sync func(*workload.X509SVIDs), spireAgentAddr string) (*spiffeController, error) {
+func NewSpiffeController(sync func(*workload.X509SVIDs), spireAgentAddr string) (*SpiffeController, error) {
 	watcher := &spiffeWatcher{sync: sync}
 	client, err := workload.NewX509SVIDClient(watcher, workload.WithAddr("unix://"+spireAgentAddr))
 	if err != nil {
 		return nil, fmt.Errorf("failed to create Spiffe Workload API Client: %w", err)
 	}
-	sc := &spiffeController{
+	sc := &SpiffeController{
 		watcher: watcher,
 		client:  client,
 	}
@@ -33,7 +34,7 @@ func NewSpiffeController(sync func(*workload.X509SVIDs), spireAgentAddr string)
 // Start starts the Spiffe Workload API Client and waits for the Spiffe certs to be written to disk.
 // If the certs are not available after 30 seconds an error is returned.
 // On success, calls onStart function and kicks off the Spiffe Controller's run loop.
-func (sc *spiffeController) Start(stopCh <-chan struct{}, onStart func()) error {
+func (sc *SpiffeController) Start(stopCh <-chan struct{}, onStart func()) error {
 	glog.V(3).Info("Starting SPIFFE Workload API Client")
 	err := sc.client.Start()
 	if err != nil {
@@ -62,7 +63,7 @@ func (sc *spiffeController) Start(stopCh <-chan struct{}, onStart func()) error
 }
 
 // Run waits until a message is sent on the stop channel and stops the Spiffe Workload API Client.
-func (sc *spiffeController) Run(stopCh <-chan struct{}) {
+func (sc *SpiffeController) Run(stopCh <-chan struct{}) {
 	<-stopCh
 	err := sc.client.Stop()
 	if err != nil {
diff --git a/internal/metrics/collectors/controller.go b/internal/metrics/collectors/controller.go
index 5c89aab4e0..b6c108b6ca 100644
--- a/internal/metrics/collectors/controller.go
+++ b/internal/metrics/collectors/controller.go
@@ -144,16 +144,16 @@ func NewControllerFakeCollector() *ControllerFakeCollector {
 }
 
 // Register implements a fake Register
-func (cc *ControllerFakeCollector) Register(registry *prometheus.Registry) error { return nil }
+func (cc *ControllerFakeCollector) Register(_ *prometheus.Registry) error { return nil }
 
 // SetIngresses implements a fake SetIngresses
-func (cc *ControllerFakeCollector) SetIngresses(ingressType string, count int) {}
+func (cc *ControllerFakeCollector) SetIngresses(_ string, _ int) {}
 
 // SetVirtualServers implements a fake SetVirtualServers
-func (cc *ControllerFakeCollector) SetVirtualServers(count int) {}
+func (cc *ControllerFakeCollector) SetVirtualServers(_ int) {}
 
 // SetVirtualServerRoutes implements a fake SetVirtualServerRoutes
-func (cc *ControllerFakeCollector) SetVirtualServerRoutes(count int) {}
+func (cc *ControllerFakeCollector) SetVirtualServerRoutes(_ int) {}
 
 // SetTransportServers implements a fake SetTransportServers
 func (cc *ControllerFakeCollector) SetTransportServers(int, int, int) {}
diff --git a/internal/metrics/collectors/manager.go b/internal/metrics/collectors/manager.go
index 1c64de5b4d..2aa1e46786 100644
--- a/internal/metrics/collectors/manager.go
+++ b/internal/metrics/collectors/manager.go
@@ -127,13 +127,13 @@ func NewManagerFakeCollector() *ManagerFakeCollector {
 }
 
 // Register implements a fake Register
-func (nc *ManagerFakeCollector) Register(registry *prometheus.Registry) error { return nil }
+func (nc *ManagerFakeCollector) Register(_ *prometheus.Registry) error { return nil }
 
 // IncNginxReloadCount implements a fake IncNginxReloadCount
-func (nc *ManagerFakeCollector) IncNginxReloadCount(isEndPointUpdate bool) {}
+func (nc *ManagerFakeCollector) IncNginxReloadCount(_ bool) {}
 
 // IncNginxReloadErrors implements a fake IncNginxReloadErrors
 func (nc *ManagerFakeCollector) IncNginxReloadErrors() {}
 
 // UpdateLastReloadTime implements a fake UpdateLastReloadTime
-func (nc *ManagerFakeCollector) UpdateLastReloadTime(ms time.Duration) {}
+func (nc *ManagerFakeCollector) UpdateLastReloadTime(_ time.Duration) {}
diff --git a/internal/nginx/fake_manager.go b/internal/nginx/fake_manager.go
index 29f63493a0..d2448600f2 100644
--- a/internal/nginx/fake_manager.go
+++ b/internal/nginx/fake_manager.go
@@ -70,12 +70,12 @@ func (*FakeManager) DeleteStreamConfig(name string) {
 }
 
 // CreateTLSPassthroughHostsConfig provides a fake implementation of CreateTLSPassthroughHostsConfig.
-func (*FakeManager) CreateTLSPassthroughHostsConfig(content []byte) {
+func (*FakeManager) CreateTLSPassthroughHostsConfig(_ []byte) {
 	glog.V(3).Infof("Writing TLS Passthrough Hosts config file")
 }
 
 // CreateSecret provides a fake implementation of CreateSecret.
-func (fm *FakeManager) CreateSecret(name string, content []byte, mode os.FileMode) string {
+func (fm *FakeManager) CreateSecret(name string, _ []byte, _ os.FileMode) string {
 	glog.V(3).Infof("Writing secret %v", name)
 	return fm.GetFilenameForSecret(name)
 }
@@ -91,7 +91,7 @@ func (fm *FakeManager) GetFilenameForSecret(name string) string {
 }
 
 // CreateDHParam provides a fake implementation of CreateDHParam.
-func (fm *FakeManager) CreateDHParam(content string) (string, error) {
+func (fm *FakeManager) CreateDHParam(_ string) (string, error) {
 	glog.V(3).Infof("Writing dhparam file")
 	return fm.dhparamFilename, nil
 }
@@ -103,12 +103,12 @@ func (*FakeManager) Version() string {
 }
 
 // Start provides a fake implementation of Start.
-func (*FakeManager) Start(done chan error) {
+func (*FakeManager) Start(_ chan error) {
 	glog.V(3).Info("Starting nginx")
 }
 
 // Reload provides a fake implementation of Reload.
-func (*FakeManager) Reload(isEndpointsUpdate bool) error {
+func (*FakeManager) Reload(_ bool) error {
 	glog.V(3).Infof("Reloading nginx")
 	return nil
 }
@@ -119,16 +119,16 @@ func (*FakeManager) Quit() {
 }
 
 // UpdateConfigVersionFile provides a fake implementation of UpdateConfigVersionFile.
-func (*FakeManager) UpdateConfigVersionFile(openTracing bool) {
+func (*FakeManager) UpdateConfigVersionFile(_ bool) {
 	glog.V(3).Infof("Writing config version")
 }
 
 // SetPlusClients provides a fake implementation of SetPlusClients.
-func (*FakeManager) SetPlusClients(plusClient *client.NginxClient, plusConfigVersionCheckClient *http.Client) {
+func (*FakeManager) SetPlusClients(_ *client.NginxClient, _ *http.Client) {
 }
 
 // UpdateServersInPlus provides a fake implementation of UpdateServersInPlus.
-func (*FakeManager) UpdateServersInPlus(upstream string, servers []string, config ServerConfig) error {
+func (*FakeManager) UpdateServersInPlus(upstream string, servers []string, _ ServerConfig) error {
 	glog.V(3).Infof("Updating servers of %v: %v", upstream, servers)
 	return nil
 }
@@ -140,18 +140,18 @@ func (*FakeManager) UpdateStreamServersInPlus(upstream string, servers []string)
 }
 
 // CreateOpenTracingTracerConfig creates a fake implementation of CreateOpenTracingTracerConfig.
-func (*FakeManager) CreateOpenTracingTracerConfig(content string) error {
+func (*FakeManager) CreateOpenTracingTracerConfig(_ string) error {
 	glog.V(3).Infof("Writing OpenTracing tracer config file")
 
 	return nil
 }
 
 // SetOpenTracing creates a fake implementation of SetOpenTracing.
-func (*FakeManager) SetOpenTracing(openTracing bool) {
+func (*FakeManager) SetOpenTracing(_ bool) {
 }
 
 // AppProtectAgentStart is a fake implementation of AppProtectAgentStart
-func (*FakeManager) AppProtectAgentStart(apaDone chan error, debug bool) {
+func (*FakeManager) AppProtectAgentStart(_ chan error, _ bool) {
 	glog.V(3).Infof("Starting FakeAppProtectAgent")
 }
 
@@ -161,7 +161,7 @@ func (*FakeManager) AppProtectAgentQuit() {
 }
 
 // AppProtectPluginStart is a fake implementtion AppProtectPluginStart
-func (*FakeManager) AppProtectPluginStart(appDone chan error) {
+func (*FakeManager) AppProtectPluginStart(_ chan error) {
 	glog.V(3).Infof("Starting FakeAppProtectPlugin")
 }
 
@@ -176,6 +176,6 @@ func (*FakeManager) AppProtectDosAgentQuit() {
 }
 
 // AppProtectDosAgentStart is a fake implementation of AppProtectAgentStart
-func (*FakeManager) AppProtectDosAgentStart(apdaDone chan error, debug bool, maxDaemon int, maxWorkers int, memory int) {
+func (*FakeManager) AppProtectDosAgentStart(_ chan error, _ bool, _ int, _ int, _ int) {
 	glog.V(3).Infof("Starting FakeAppProtectDosAgent")
 }
diff --git a/internal/nginx/manager.go b/internal/nginx/manager.go
index 79b695726e..9ea835e60c 100644
--- a/internal/nginx/manager.go
+++ b/internal/nginx/manager.go
@@ -18,10 +18,14 @@ import (
 )
 
 const (
-	ReloadForEndpointsUpdate     = true  // ReloadForEndpointsUpdate means that is caused by an endpoints update.
-	ReloadForOtherUpdate         = false // ReloadForOtherUpdate means that a reload is caused by an update for a resource(s) other than endpoints.
-	TLSSecretFileMode            = 0o600 // TLSSecretFileMode defines the default filemode for files with TLS Secrets.
-	JWKSecretFileMode            = 0o644 // JWKSecretFileMode defines the default filemode for files with JWK Secrets.
+	// ReloadForEndpointsUpdate means that is caused by an endpoints update.
+	ReloadForEndpointsUpdate = true
+	// ReloadForOtherUpdate means that a reload is caused by an update for a resource(s) other than endpoints.
+	ReloadForOtherUpdate = false
+	// TLSSecretFileMode defines the default filemode for files with TLS Secrets.
+	TLSSecretFileMode = 0o600
+	// JWKSecretFileMode defines the default filemode for files with JWK Secrets.
+	JWKSecretFileMode            = 0o644
 	configFileMode               = 0o644
 	jsonFileForOpenTracingTracer = "/var/lib/nginx/tracer-config.json"
 	nginxBinaryPath              = "/usr/sbin/nginx"
diff --git a/internal/nginx/verify_test.go b/internal/nginx/verify_test.go
index 58281bc134..30e72b0cf5 100644
--- a/internal/nginx/verify_test.go
+++ b/internal/nginx/verify_test.go
@@ -11,7 +11,7 @@ import (
 
 type Transport struct{}
 
-func (c Transport) RoundTrip(req *http.Request) (*http.Response, error) {
+func (c Transport) RoundTrip(_ *http.Request) (*http.Response, error) {
 	return &http.Response{
 		StatusCode: 200,
 		Body:       ioutil.NopCloser(bytes.NewBufferString("42")),
diff --git a/pkg/apis/configuration/register.go b/pkg/apis/configuration/register.go
index 04d4f2973a..4aa7c94519 100644
--- a/pkg/apis/configuration/register.go
+++ b/pkg/apis/configuration/register.go
@@ -1,5 +1,6 @@
 package configuration
 
 const (
+	// GroupName is the name of the group.
 	GroupName = "k8s.nginx.org"
 )
diff --git a/pkg/apis/configuration/v1/register.go b/pkg/apis/configuration/v1/register.go
index 5adaf25a27..73924e09d8 100644
--- a/pkg/apis/configuration/v1/register.go
+++ b/pkg/apis/configuration/v1/register.go
@@ -21,8 +21,10 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder builds a scheme
 	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
-	AddToScheme   = SchemeBuilder.AddToScheme
+	// AddToScheme adds to a scheme
+	AddToScheme = SchemeBuilder.AddToScheme
 )
 
 // Adds the list of known types to Scheme.
diff --git a/pkg/apis/dos/v1beta1/register.go b/pkg/apis/dos/v1beta1/register.go
index 504033d0bc..d527b6a37f 100644
--- a/pkg/apis/dos/v1beta1/register.go
+++ b/pkg/apis/dos/v1beta1/register.go
@@ -21,8 +21,10 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder builds a scheme
 	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
-	AddToScheme   = SchemeBuilder.AddToScheme
+	// AddToScheme a function to add to a scheme
+	AddToScheme = SchemeBuilder.AddToScheme
 )
 
 // Adds the list of known types to Scheme.