Add reconcile loop

k8-operator/controllers/infisicalsecret_controller.go

@@ -2,12 +2,15 @@ package controllers
 
 import (
 	"context"
+	"time"
 
+	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/log"
 
+	"github.com/Infisical/infisical/k8-operator/api/v1alpha1"
 	secretsv1alpha1 "github.com/Infisical/infisical/k8-operator/api/v1alpha1"
 )
 
@@ -20,20 +23,43 @@ type InfisicalSecretReconciler struct {
 //+kubebuilder:rbac:groups=secrets.infisical.com,resources=infisicalsecrets,verbs=get;list;watch;create;update;patch;delete
 //+kubebuilder:rbac:groups=secrets.infisical.com,resources=infisicalsecrets/status,verbs=get;update;patch
 //+kubebuilder:rbac:groups=secrets.infisical.com,resources=infisicalsecrets/finalizers,verbs=update
+//+kubebuilder:rbac:groups="",resources=secrets,verbs=get;list;watch;create;update;delete
+//+kubebuilder:rbac:groups=apps,resources=deployments,verbs=list;watch;get;update
 
 // Reconcile is part of the main kubernetes reconciliation loop which aims to
 // move the current state of the cluster closer to the desired state.
-// TODO(user): Modify the Reconcile function to compare the state specified by
-// the InfisicalSecret object against the actual cluster state, and then
-// perform operations to make the cluster state reflect the state specified by
-// the user.
-//
 // For more details, check Reconcile and its Result here:
 // - https://pkg.go.dev/sigs.k8s.io/[email protected]/pkg/reconcile
 func (r *InfisicalSecretReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
-	_ = log.FromContext(ctx)
+	log := log.FromContext(ctx)
 
-	// TODO(user): your logic here
+	var infisicalSecretCR v1alpha1.InfisicalSecret
+	err := r.Get(ctx, req.NamespacedName, &infisicalSecretCR)
+
+	if err != nil {
+		if errors.IsNotFound(err) {
+			log.Info("Infisical Secret not found")
+			return ctrl.Result{}, nil
+		} else {
+			log.Error(err, "Unable to fetch Infisical Secret from cluster. Will retry")
+			return ctrl.Result{
+				RequeueAfter: time.Minute,
+			}, nil
+		}
+	}
+
+	// Check if the resource is already marked for deletion
+	if infisicalSecretCR.GetDeletionTimestamp() != nil {
+		return ctrl.Result{}, nil
+	}
+
+	err = r.ReconcileInfisicalSecret(ctx, infisicalSecretCR)
+	if err != nil {
+		log.Error(err, "Unable to reconcile Infisical Secret and will try again")
+		return ctrl.Result{
+			RequeueAfter: time.Minute,
+		}, nil
+	}
 
 	return ctrl.Result{}, nil
 }

k8-operator/controllers/infisicalsecret_helper.go

@@ -0,0 +1,113 @@
+package controllers
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Infisical/infisical/k8-operator/api/v1alpha1"
+	api "github.com/Infisical/infisical/k8-operator/packages/api"
+	models "github.com/Infisical/infisical/k8-operator/packages/models"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+)
+
+const INFISICAL_TOKEN_SECRET_KEY_NAME = "infisicalToken"
+
+func (r *InfisicalSecretReconciler) GetKubeSecretByNamespacedName(ctx context.Context, namespacedName types.NamespacedName) (*corev1.Secret, error) {
+	kubeSecret := &corev1.Secret{}
+	err := r.Client.Get(ctx, namespacedName, kubeSecret)
+	if err != nil {
+		kubeSecret = nil
+	}
+
+	return kubeSecret, err
+}
+
+func (r *InfisicalSecretReconciler) GetInfisicalToken(ctx context.Context, infisicalSecret v1alpha1.InfisicalSecret) (string, error) {
+	tokenSecret, err := r.GetKubeSecretByNamespacedName(ctx, types.NamespacedName{
+		Namespace: infisicalSecret.Spec.ManagedSecret.Namespace,
+		Name:      infisicalSecret.Spec.ManagedSecret.Name,
+	})
+
+	if err != nil {
+		return "", fmt.Errorf("failed to read infisical token secret from secret named [%s] in namespace [%s]: with error [%w]", infisicalSecret.Spec.ManagedSecret.Name, infisicalSecret.Spec.ManagedSecret.Namespace, err)
+	}
+
+	infisicalServiceToken := tokenSecret.Data[INFISICAL_TOKEN_SECRET_KEY_NAME]
+	if infisicalServiceToken == nil {
+		return "", fmt.Errorf("the Infisical token is not set in the Kubernetes secret. Please add the key [%s] with the corresponding token value.", INFISICAL_TOKEN_SECRET_KEY_NAME)
+	}
+
+	return string(infisicalServiceToken), nil
+}
+
+func (r *InfisicalSecretReconciler) CreateInfisicalManagedKubeSecret(ctx context.Context, infisicalSecret v1alpha1.InfisicalSecret, secretsFromAPI []models.SingleEnvironmentVariable) error {
+	plainProcessedSecrets := make(map[string][]byte)
+	for _, secret := range secretsFromAPI {
+		plainProcessedSecrets[secret.Key] = []byte(secret.Value) // plain process
+	}
+
+	// create a new secret as specified by the managed secret spec of CRD
+	newKubeSecretInstance := &corev1.Secret{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      infisicalSecret.Spec.ManagedSecret.Name,
+			Namespace: infisicalSecret.Spec.ManagedSecret.Namespace,
+		},
+		Type: "Opaque",
+		Data: plainProcessedSecrets,
+	}
+
+	err := r.Client.Create(ctx, newKubeSecretInstance)
+	if err != nil {
+		return fmt.Errorf("unable to create the managed Kubernetes secret : %w", err)
+	}
+
+	fmt.Println("Successfully created a managed Kubernetes secret with your Infisical secrets")
+	return nil
+}
+
+func (r *InfisicalSecretReconciler) UpdateInfisicalManagedKubeSecret(ctx context.Context, managedKubeSecret corev1.Secret, secretsFromAPI []models.SingleEnvironmentVariable) error {
+	plainProcessedSecrets := make(map[string][]byte)
+	for _, secret := range secretsFromAPI {
+		plainProcessedSecrets[secret.Key] = []byte(secret.Value)
+	}
+
+	managedKubeSecret.Data = plainProcessedSecrets
+	err := r.Client.Update(ctx, &managedKubeSecret)
+	if err != nil {
+		return fmt.Errorf("unable to update Kubernetes secret because [%w]", err)
+	}
+
+	fmt.Println("successfully updated managed Kubernetes secret")
+	return nil
+}
+
+func (r *InfisicalSecretReconciler) ReconcileInfisicalSecret(ctx context.Context, infisicalSecret v1alpha1.InfisicalSecret) error {
+	infisicalToken, err := r.GetInfisicalToken(ctx, infisicalSecret)
+	if err != nil {
+		return fmt.Errorf("unable to load Infisical Token from the specified Kubernetes secret with error [%w]", err)
+	}
+
+	managedKubeSecret, err := r.GetKubeSecretByNamespacedName(ctx, types.NamespacedName{
+		Name:      infisicalSecret.Spec.ManagedSecret.Name,
+		Namespace: infisicalSecret.Spec.ManagedSecret.Namespace,
+	})
+
+	if err != nil && !errors.IsNotFound(err) {
+		return fmt.Errorf("something went wrong when fetching the managed Kubernetes secret [%w]", err)
+	}
+
+	secretsFromApi, err := api.GetAllEnvironmentVariables(infisicalSecret.Spec.ProjectId, infisicalSecret.Spec.Environment, infisicalToken)
+	if err != nil {
+		return err
+	}
+
+	if managedKubeSecret == nil {
+		return r.CreateInfisicalManagedKubeSecret(ctx, infisicalSecret, secretsFromApi)
+	} else {
+		return r.UpdateInfisicalManagedKubeSecret(ctx, *managedKubeSecret, secretsFromApi)
+	}
+
+}