feat: Add ConfigMap creation for Stage (#78)

Implement automatic creation of a ConfigMap for each Stage.
This ConfigMap will be used to store Stage variables.

controllers/stage/chain/factory.go

@@ -56,6 +56,7 @@ func CreateChain(ctx context.Context, c client.Client, stage *cdPipeApi.Stage) (
 		AddApplicationSetGenerators{
 			applicationSetManager: argocd.NewArgoApplicationSetManager(c),
 		},
+		NewPutConfigMap(c),
 	)
 
 	return ch, nil

controllers/stage/chain/put_configmap.go

@@ -0,0 +1,69 @@
+package chain
+
+import (
+	"context"
+	"fmt"
+
+	corev1 "k8s.io/api/core/v1"
+	k8sErrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+
+	cdPipeApi "github.com/epam/edp-cd-pipeline-operator/v2/api/v1"
+)
+
+type PutConfigMap struct {
+	k8sClient client.Client
+}
+
+func NewPutConfigMap(k8sClient client.Client) *PutConfigMap {
+	return &PutConfigMap{k8sClient: k8sClient}
+}
+
+func (h *PutConfigMap) ServeRequest(ctx context.Context, stage *cdPipeApi.Stage) error {
+	log := ctrl.LoggerFrom(ctx)
+
+	log.Info("Start putting ConfigMap", "configMapName", stage.Name)
+
+	cm := &corev1.ConfigMap{}
+
+	err := h.k8sClient.Get(
+		ctx,
+		types.NamespacedName{
+			Namespace: stage.Namespace,
+			Name:      stage.Name,
+		},
+		cm,
+	)
+	if err != nil && !k8sErrors.IsNotFound(err) {
+		return fmt.Errorf("failed to get ConfigMap: %w", err)
+	}
+
+	if err == nil {
+		log.Info("ConfigMap already exists")
+
+		return nil
+	}
+
+	cm = &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      stage.Name,
+			Namespace: stage.Namespace,
+		},
+	}
+
+	if err = controllerutil.SetControllerReference(stage, cm, h.k8sClient.Scheme()); err != nil {
+		return fmt.Errorf("failed to set controller reference: %w", err)
+	}
+
+	if err = h.k8sClient.Create(ctx, cm); err != nil {
+		return fmt.Errorf("failed to create ConfigMap: %w", err)
+	}
+
+	log.Info("ConfigMap has been created")
+
+	return nil
+}

controllers/stage/chain/put_configmap_test.go

@@ -0,0 +1,91 @@
+package chain
+
+import (
+	"context"
+	"testing"
+
+	"github.com/go-logr/logr"
+	"github.com/stretchr/testify/require"
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+
+	cdPipeApi "github.com/epam/edp-cd-pipeline-operator/v2/api/v1"
+)
+
+func TestPutConfigMap_ServeRequest(t *testing.T) {
+	t.Parallel()
+
+	scheme := runtime.NewScheme()
+	require.NoError(t, corev1.AddToScheme(scheme))
+	require.NoError(t, cdPipeApi.AddToScheme(scheme))
+
+	tests := []struct {
+		name    string
+		stage   *cdPipeApi.Stage
+		client  func(t *testing.T) client.Client
+		wantErr require.ErrorAssertionFunc
+		want    func(t *testing.T, stage *cdPipeApi.Stage, cl client.Client)
+	}{
+		{
+			name: "create configmap successfully",
+			stage: &cdPipeApi.Stage{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pipe-dev",
+					Namespace: "default",
+				},
+			},
+			client: func(t *testing.T) client.Client {
+				return fake.NewClientBuilder().WithScheme(scheme).Build()
+			},
+			wantErr: require.NoError,
+			want: func(t *testing.T, stage *cdPipeApi.Stage, cl client.Client) {
+				cm := &corev1.ConfigMap{}
+				require.NoError(t, cl.Get(
+					context.Background(),
+					client.ObjectKey{Namespace: stage.Namespace, Name: stage.Name},
+					cm,
+				))
+			},
+		},
+		{
+			name: "configmap already exists",
+			stage: &cdPipeApi.Stage{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "pipe-dev",
+					Namespace: "default",
+				},
+			},
+			client: func(t *testing.T) client.Client {
+				return fake.NewClientBuilder().
+					WithScheme(scheme).
+					WithObjects(
+						&corev1.ConfigMap{
+							ObjectMeta: metav1.ObjectMeta{
+								Name:      "pipe-dev",
+								Namespace: "default",
+							},
+						},
+					).
+					Build()
+			},
+			wantErr: require.NoError,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cl := tt.client(t)
+			h := NewPutConfigMap(cl)
+
+			tt.wantErr(t, h.ServeRequest(ctrl.LoggerInto(context.Background(), logr.Discard()), tt.stage))
+
+			if tt.want != nil {
+				tt.want(t, tt.stage, cl)
+			}
+		})
+	}
+}

tests/e2e/capsule-feature/03-assert-cdpipeline-and-stages.yaml

@@ -302,3 +302,15 @@ spec:
         targetRevision: >-
           {{ if eq .versionType "edp" }}build/{{ .imageTag }}{{ else }}{{
           .imageTag }}{{ end }}
+
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mypipeline-dev
+
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mypipeline-qa