Add local golint-ci lint config file (#146)

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

.github/workflows/continuous-integration.yaml

@@ -37,9 +37,8 @@ jobs:
     - name: Lint
       uses: golangci/golangci-lint-action@v2
       with:
+        args: -v
         version: v1.29
-        args: --enable=gosec,maligned,misspell
-        only-new-issues: true
 
   security:
     name: Security

.golangci.yaml

@@ -0,0 +1,24 @@
+run:
+  timeout: 5m
+
+# all available settings of specific linters
+linters-settings:
+  goheader:
+    template-path: header.txt
+  goimports:
+    local-prefixes: github.com/open-telemetry/opentelemetry-operator
+  maligned:
+    suggest-new: true
+  misspell:
+    locale: US
+
+linters:
+  enable:
+    - goheader
+    - goimports
+    - maligned
+    - misspell
+    - gosec
+    - exhaustive
+    - godot
+    - unparam

api/v1alpha1/groupversion_info.go

@@ -23,10 +23,10 @@ import (
 )
 
 var (
-	// GroupVersion is group version used to register these objects
+	// GroupVersion is group version used to register these objects.
 	GroupVersion = schema.GroupVersion{Group: "opentelemetry.io", Version: "v1alpha1"}
 
-	// SchemeBuilder is used to add go types to the GroupVersionKind scheme
+	// SchemeBuilder is used to add go types to the GroupVersionKind scheme.
 	SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion}
 
 	// AddToScheme adds the types in this group-version to the given scheme.

api/v1alpha1/mode.go

@@ -21,12 +21,12 @@ type (
 )
 
 const (
-	// ModeDaemonSet specifies that the collector should be deployed as a Kubernetes DaemonSet
+	// ModeDaemonSet specifies that the collector should be deployed as a Kubernetes DaemonSet.
 	ModeDaemonSet Mode = "daemonset"
 
-	// ModeDeployment specifies that the collector should be deployed as a Kubernetes Deployment
+	// ModeDeployment specifies that the collector should be deployed as a Kubernetes Deployment.
 	ModeDeployment Mode = "deployment"
 
-	// ModeSidecar specifies that the collector should be deployed as a sidecar to pods
+	// ModeSidecar specifies that the collector should be deployed as a sidecar to pods.
 	ModeSidecar Mode = "sidecar"
 )

api/v1alpha1/opentelemetrycollector_types.go

@@ -19,7 +19,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-// OpenTelemetryCollectorSpec defines the desired state of OpenTelemetryCollector
+// OpenTelemetryCollectorSpec defines the desired state of OpenTelemetryCollector.
 type OpenTelemetryCollectorSpec struct {
 	// Config is the raw JSON to be used as the collector's configuration. Refer to the OpenTelemetry Collector documentation for details.
 	// +required
@@ -78,7 +78,7 @@ type OpenTelemetryCollectorSpec struct {
 	Env []v1.EnvVar `json:"env,omitempty"`
 }
 
-// OpenTelemetryCollectorStatus defines the observed state of OpenTelemetryCollector
+// OpenTelemetryCollectorStatus defines the observed state of OpenTelemetryCollector.
 type OpenTelemetryCollectorStatus struct {
 	// Replicas is currently not being set and might be removed in the next version.
 	// +optional
@@ -102,7 +102,7 @@ type OpenTelemetryCollectorStatus struct {
 // +kubebuilder:printcolumn:name="Version",type="string",JSONPath=".status.version",description="OpenTelemetry Version"
 // +kubebuilder:printcolumn:name="Age",type="date",JSONPath=".metadata.creationTimestamp"
 
-// OpenTelemetryCollector is the Schema for the opentelemetrycollectors API
+// OpenTelemetryCollector is the Schema for the opentelemetrycollectors API.
 type OpenTelemetryCollector struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty"`
@@ -113,7 +113,7 @@ type OpenTelemetryCollector struct {
 
 // +kubebuilder:object:root=true
 
-// OpenTelemetryCollectorList contains a list of OpenTelemetryCollector
+// OpenTelemetryCollectorList contains a list of OpenTelemetryCollector.
 type OpenTelemetryCollectorList struct {
 	metav1.TypeMeta `json:",inline"`
 	metav1.ListMeta `json:"metadata,omitempty"`

api/v1alpha1/opentelemetrycollector_webhook.go

@@ -34,7 +34,7 @@ func (r *OpenTelemetryCollector) SetupWebhookWithManager(mgr ctrl.Manager) error
 
 var _ webhook.Defaulter = &OpenTelemetryCollector{}
 
-// Default implements webhook.Defaulter so a webhook will be registered for the type
+// Default implements webhook.Defaulter so a webhook will be registered for the type.
 func (r *OpenTelemetryCollector) Default() {
 	if len(r.Spec.Mode) == 0 {
 		r.Spec.Mode = ModeDeployment
@@ -54,19 +54,19 @@ func (r *OpenTelemetryCollector) Default() {
 
 var _ webhook.Validator = &OpenTelemetryCollector{}
 
-// ValidateCreate implements webhook.Validator so a webhook will be registered for the type
+// ValidateCreate implements webhook.Validator so a webhook will be registered for the type.
 func (r *OpenTelemetryCollector) ValidateCreate() error {
 	opentelemetrycollectorlog.Info("validate create", "name", r.Name)
 	return nil
 }
 
-// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type
+// ValidateUpdate implements webhook.Validator so a webhook will be registered for the type.
 func (r *OpenTelemetryCollector) ValidateUpdate(old runtime.Object) error {
 	opentelemetrycollectorlog.Info("validate update", "name", r.Name)
 	return nil
 }
 
-// ValidateDelete implements webhook.Validator so a webhook will be registered for the type
+// ValidateDelete implements webhook.Validator so a webhook will be registered for the type.
 func (r *OpenTelemetryCollector) ValidateDelete() error {
 	opentelemetrycollectorlog.Info("validate delete", "name", r.Name)
 	return nil

config/crd/bases/opentelemetry.io_opentelemetrycollectors.yaml

@@ -39,7 +39,7 @@ spec:
   validation:
     openAPIV3Schema:
       description: OpenTelemetryCollector is the Schema for the opentelemetrycollectors
-        API
+        API.
       properties:
         apiVersion:
           description: 'APIVersion defines the versioned schema of this representation
@@ -54,7 +54,7 @@ spec:
         metadata:
           type: object
         spec:
-          description: OpenTelemetryCollectorSpec defines the desired state of OpenTelemetryCollector
+          description: OpenTelemetryCollectorSpec defines the desired state of OpenTelemetryCollector.
           properties:
             args:
               additionalProperties:
@@ -1703,7 +1703,7 @@ spec:
           type: object
         status:
           description: OpenTelemetryCollectorStatus defines the observed state of
-            OpenTelemetryCollector
+            OpenTelemetryCollector.
           properties:
             messages:
               description: Messages about actions performed by the operator on this

controllers/opentelemetrycollector_controller.go

@@ -32,7 +32,7 @@ import (
 	"github.com/open-telemetry/opentelemetry-operator/pkg/collector/reconcile"
 )
 
-// OpenTelemetryCollectorReconciler reconciles a OpenTelemetryCollector object
+// OpenTelemetryCollectorReconciler reconciles a OpenTelemetryCollector object.
 type OpenTelemetryCollectorReconciler struct {
 	client.Client
 	log    logr.Logger
@@ -41,14 +41,14 @@ type OpenTelemetryCollectorReconciler struct {
 	tasks  []Task
 }
 
-// Task represents a reconciliation task to be executed by the reconciler
+// Task represents a reconciliation task to be executed by the reconciler.
 type Task struct {
 	Name        string
 	Do          func(context.Context, reconcile.Params) error
 	BailOnError bool
 }
 
-// Params is the set of options to build a new openTelemetryCollectorReconciler
+// Params is the set of options to build a new openTelemetryCollectorReconciler.
 type Params struct {
 	client.Client
 	Log    logr.Logger
@@ -57,7 +57,7 @@ type Params struct {
 	Tasks  []Task
 }
 
-// NewReconciler creates a new reconciler for OpenTelemetryCollector objects
+// NewReconciler creates a new reconciler for OpenTelemetryCollector objects.
 func NewReconciler(p Params) *OpenTelemetryCollectorReconciler {
 	if len(p.Tasks) == 0 {
 		p.Tasks = []Task{
@@ -106,7 +106,7 @@ func NewReconciler(p Params) *OpenTelemetryCollectorReconciler {
 // +kubebuilder:rbac:groups=opentelemetry.io,resources=opentelemetrycollectors,verbs=get;list;watch;create;update;patch;delete
 // +kubebuilder:rbac:groups=opentelemetry.io,resources=opentelemetrycollectors/status,verbs=get;update;patch
 
-// Reconcile the current state of an OpenTelemetry collector resource with the desired state
+// Reconcile the current state of an OpenTelemetry collector resource with the desired state.
 func (r *OpenTelemetryCollectorReconciler) Reconcile(_ context.Context, req ctrl.Request) (ctrl.Result, error) {
 	ctx := context.Background()
 	log := r.log.WithValues("opentelemetrycollector", req.NamespacedName)
@@ -138,7 +138,7 @@ func (r *OpenTelemetryCollectorReconciler) Reconcile(_ context.Context, req ctrl
 	return ctrl.Result{}, nil
 }
 
-// RunTasks runs all the tasks associated with this reconciler
+// RunTasks runs all the tasks associated with this reconciler.
 func (r *OpenTelemetryCollectorReconciler) RunTasks(ctx context.Context, params reconcile.Params) error {
 	for _, task := range r.tasks {
 		if err := task.Do(ctx, params); err != nil {
@@ -152,7 +152,7 @@ func (r *OpenTelemetryCollectorReconciler) RunTasks(ctx context.Context, params
 	return nil
 }
 
-// SetupWithManager tells the manager what our controller is interested in
+// SetupWithManager tells the manager what our controller is interested in.
 func (r *OpenTelemetryCollectorReconciler) SetupWithManager(mgr ctrl.Manager) error {
 	return ctrl.NewControllerManagedBy(mgr).
 		For(&v1alpha1.OpenTelemetryCollector{}).

controllers/opentelemetrycollector_controller_test.go

@@ -1,3 +1,17 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package controllers_test
 
 import (

header.txt

@@ -0,0 +1,13 @@
+Copyright The OpenTelemetry Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

internal/config/main.go

@@ -33,7 +33,7 @@ const (
 	defaultCollectorConfigMapEntry = "collector.yaml"
 )
 
-// Config holds the static configuration for this operator
+// Config holds the static configuration for this operator.
 type Config struct {
 	// Registers a callback, to be called once a configuration change happens
 	OnChange func() error
@@ -50,7 +50,7 @@ type Config struct {
 	version                 version.Version
 }
 
-// New constructs a new configuration based on the given options
+// New constructs a new configuration based on the given options.
 func New(opts ...Option) Config {
 	// initialize with the default values
 	o := options{
@@ -82,7 +82,7 @@ func New(opts ...Option) Config {
 	}
 }
 
-// FlagSet binds the flags to the user-modifiable values of the operator's configuration
+// FlagSet binds the flags to the user-modifiable values of the operator's configuration.
 func (c *Config) FlagSet() *pflag.FlagSet {
 	fs := pflag.NewFlagSet("opentelemetry-operator", pflag.ExitOnError)
 	pflag.StringVar(&c.collectorImage,
@@ -155,12 +155,12 @@ func (c *Config) CollectorConfigMapEntry() string {
 	return c.collectorConfigMapEntry
 }
 
-// Platform represents the type of the platform this operator is running
+// Platform represents the type of the platform this operator is running.
 func (c *Config) Platform() platform.Platform {
 	return c.platform
 }
 
-// Version holds the versions used by this operator
+// Version holds the versions used by this operator.
 func (c *Config) Version() version.Version {
 	return c.version
 }

internal/config/main_test.go

@@ -1,3 +1,17 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config_test
 
 import (

internal/config/options.go

@@ -1,3 +1,17 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package config
 
 import (
@@ -10,7 +24,7 @@ import (
 	"github.com/open-telemetry/opentelemetry-operator/pkg/platform"
 )
 
-// Option represents one specific configuration option
+// Option represents one specific configuration option.
 type Option func(c *options)
 
 type options struct {

internal/podinjector/main.go

@@ -45,21 +45,21 @@ var (
 
 var _ PodSidecarInjector = (*podSidecarInjector)(nil)
 
-// PodSidecarInjector is a webhook handler that analyzes new pods and injects appropriate sidecars into it
+// PodSidecarInjector is a webhook handler that analyzes new pods and injects appropriate sidecars into it.
 type PodSidecarInjector interface {
 	admission.Handler
 	admission.DecoderInjector
 }
 
-// the implementation
+// the implementation.
 type podSidecarInjector struct {
 	config  config.Config
 	logger  logr.Logger
 	client  client.Client
 	decoder *admission.Decoder
 }
 
-// NewPodSidecarInjector creates a new PodSidecarInjector
+// NewPodSidecarInjector creates a new PodSidecarInjector.
 func NewPodSidecarInjector(cfg config.Config, logger logr.Logger, cl client.Client) PodSidecarInjector {
 	return &podSidecarInjector{
 		config: cfg,
@@ -144,7 +144,7 @@ func (p *podSidecarInjector) mutate(ctx context.Context, ns corev1.Namespace, po
 
 func (p *podSidecarInjector) getCollectorInstance(ctx context.Context, ns corev1.Namespace, ann string) (v1alpha1.OpenTelemetryCollector, error) {
 	if strings.EqualFold(ann, "true") {
-		return p.selectCollectorInstance(ctx, ns, ann)
+		return p.selectCollectorInstance(ctx, ns)
 	}
 
 	otelcol := v1alpha1.OpenTelemetryCollector{}
@@ -160,7 +160,7 @@ func (p *podSidecarInjector) getCollectorInstance(ctx context.Context, ns corev1
 	return otelcol, nil
 }
 
-func (p *podSidecarInjector) selectCollectorInstance(ctx context.Context, ns corev1.Namespace, ann string) (v1alpha1.OpenTelemetryCollector, error) {
+func (p *podSidecarInjector) selectCollectorInstance(ctx context.Context, ns corev1.Namespace) (v1alpha1.OpenTelemetryCollector, error) {
 	otelcols := v1alpha1.OpenTelemetryCollectorList{}
 	if err := p.client.List(ctx, &otelcols, client.InNamespace(ns.Name)); err != nil {
 		return v1alpha1.OpenTelemetryCollector{}, err