feat(registries): add registry management (#930)

api/bolt/registry_service.go

@@ -0,0 +1,114 @@
+package bolt
+
+import (
+	"github.com/portainer/portainer"
+	"github.com/portainer/portainer/bolt/internal"
+
+	"github.com/boltdb/bolt"
+)
+
+// RegistryService represents a service for managing registries.
+type RegistryService struct {
+	store *Store
+}
+
+// Registry returns an registry by ID.
+func (service *RegistryService) Registry(ID portainer.RegistryID) (*portainer.Registry, error) {
+	var data []byte
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(registryBucketName))
+		value := bucket.Get(internal.Itob(int(ID)))
+		if value == nil {
+			return portainer.ErrRegistryNotFound
+		}
+
+		data = make([]byte, len(value))
+		copy(data, value)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	var registry portainer.Registry
+	err = internal.UnmarshalRegistry(data, &registry)
+	if err != nil {
+		return nil, err
+	}
+	return &registry, nil
+}
+
+// Registries returns an array containing all the registries.
+func (service *RegistryService) Registries() ([]portainer.Registry, error) {
+	var registries = make([]portainer.Registry, 0)
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(registryBucketName))
+
+		cursor := bucket.Cursor()
+		for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
+			var registry portainer.Registry
+			err := internal.UnmarshalRegistry(v, &registry)
+			if err != nil {
+				return err
+			}
+			registries = append(registries, registry)
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return registries, nil
+}
+
+// CreateRegistry creates a new registry.
+func (service *RegistryService) CreateRegistry(registry *portainer.Registry) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(registryBucketName))
+
+		id, _ := bucket.NextSequence()
+		registry.ID = portainer.RegistryID(id)
+
+		data, err := internal.MarshalRegistry(registry)
+		if err != nil {
+			return err
+		}
+
+		err = bucket.Put(internal.Itob(int(registry.ID)), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// UpdateRegistry updates an registry.
+func (service *RegistryService) UpdateRegistry(ID portainer.RegistryID, registry *portainer.Registry) error {
+	data, err := internal.MarshalRegistry(registry)
+	if err != nil {
+		return err
+	}
+
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(registryBucketName))
+		err = bucket.Put(internal.Itob(int(ID)), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// DeleteRegistry deletes an registry.
+func (service *RegistryService) DeleteRegistry(ID portainer.RegistryID) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(registryBucketName))
+		err := bucket.Delete(internal.Itob(int(ID)))
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}