feat(endpoint-groups): add endpoint-groups (#1837)

api/bolt/endpoint_group_service.go

@@ -0,0 +1,114 @@
+package bolt
+
+import (
+	"github.com/portainer/portainer"
+	"github.com/portainer/portainer/bolt/internal"
+
+	"github.com/boltdb/bolt"
+)
+
+// EndpointGroupService represents a service for managing endpoint groups.
+type EndpointGroupService struct {
+	store *Store
+}
+
+// EndpointGroup returns an endpoint group by ID.
+func (service *EndpointGroupService) EndpointGroup(ID portainer.EndpointGroupID) (*portainer.EndpointGroup, error) {
+	var data []byte
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(endpointGroupBucketName))
+		value := bucket.Get(internal.Itob(int(ID)))
+		if value == nil {
+			return portainer.ErrEndpointGroupNotFound
+		}
+
+		data = make([]byte, len(value))
+		copy(data, value)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	var endpointGroup portainer.EndpointGroup
+	err = internal.UnmarshalEndpointGroup(data, &endpointGroup)
+	if err != nil {
+		return nil, err
+	}
+	return &endpointGroup, nil
+}
+
+// EndpointGroups return an array containing all the endpoint groups.
+func (service *EndpointGroupService) EndpointGroups() ([]portainer.EndpointGroup, error) {
+	var endpointGroups = make([]portainer.EndpointGroup, 0)
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(endpointGroupBucketName))
+
+		cursor := bucket.Cursor()
+		for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
+			var endpointGroup portainer.EndpointGroup
+			err := internal.UnmarshalEndpointGroup(v, &endpointGroup)
+			if err != nil {
+				return err
+			}
+			endpointGroups = append(endpointGroups, endpointGroup)
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return endpointGroups, nil
+}
+
+// CreateEndpointGroup assign an ID to a new endpoint group and saves it.
+func (service *EndpointGroupService) CreateEndpointGroup(endpointGroup *portainer.EndpointGroup) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(endpointGroupBucketName))
+
+		id, _ := bucket.NextSequence()
+		endpointGroup.ID = portainer.EndpointGroupID(id)
+
+		data, err := internal.MarshalEndpointGroup(endpointGroup)
+		if err != nil {
+			return err
+		}
+
+		err = bucket.Put(internal.Itob(int(endpointGroup.ID)), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// UpdateEndpointGroup updates an endpoint group.
+func (service *EndpointGroupService) UpdateEndpointGroup(ID portainer.EndpointGroupID, endpointGroup *portainer.EndpointGroup) error {
+	data, err := internal.MarshalEndpointGroup(endpointGroup)
+	if err != nil {
+		return err
+	}
+
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(endpointGroupBucketName))
+		err = bucket.Put(internal.Itob(int(ID)), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// DeleteEndpointGroup deletes an endpoint group.
+func (service *EndpointGroupService) DeleteEndpointGroup(ID portainer.EndpointGroupID) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(endpointGroupBucketName))
+		err := bucket.Delete(internal.Itob(int(ID)))
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}