fix(edgegroups): fix data-race in edgeGroupCreate EE-4435 (#8477)

api/dataservices/edgegroup/tx.go

@@ -0,0 +1,80 @@
+package edgegroup
+
+import (
+	"errors"
+	"fmt"
+
+	portainer "github.com/portainer/portainer/api"
+
+	"github.com/rs/zerolog/log"
+)
+
+type ServiceTx struct {
+	service *Service
+	tx      portainer.Transaction
+}
+
+func (service ServiceTx) BucketName() string {
+	return BucketName
+}
+
+// EdgeGroups return a slice containing all the Edge groups.
+func (service ServiceTx) EdgeGroups() ([]portainer.EdgeGroup, error) {
+	var groups = make([]portainer.EdgeGroup, 0)
+
+	err := service.tx.GetAllWithJsoniter(
+		BucketName,
+		&portainer.EdgeGroup{},
+		func(obj interface{}) (interface{}, error) {
+			group, ok := obj.(*portainer.EdgeGroup)
+			if !ok {
+				log.Debug().Str("obj", fmt.Sprintf("%#v", obj)).Msg("failed to convert to EdgeGroup object")
+				return nil, fmt.Errorf("Failed to convert to EdgeGroup object: %s", obj)
+			}
+			groups = append(groups, *group)
+
+			return &portainer.EdgeGroup{}, nil
+		})
+
+	return groups, err
+}
+
+// EdgeGroup returns an Edge group by ID.
+func (service ServiceTx) EdgeGroup(ID portainer.EdgeGroupID) (*portainer.EdgeGroup, error) {
+	var group portainer.EdgeGroup
+	identifier := service.service.connection.ConvertToKey(int(ID))
+
+	err := service.tx.GetObject(BucketName, identifier, &group)
+	if err != nil {
+		return nil, err
+	}
+
+	return &group, nil
+}
+
+// UpdateEdgeGroup updates an edge group.
+func (service ServiceTx) UpdateEdgeGroup(ID portainer.EdgeGroupID, group *portainer.EdgeGroup) error {
+	identifier := service.service.connection.ConvertToKey(int(ID))
+	return service.tx.UpdateObject(BucketName, identifier, group)
+}
+
+// UpdateEdgeGroupFunc is a no-op inside a transaction.
+func (service ServiceTx) UpdateEdgeGroupFunc(ID portainer.EdgeGroupID, updateFunc func(edgeGroup *portainer.EdgeGroup)) error {
+	return errors.New("cannot be called inside a transaction")
+}
+
+// DeleteEdgeGroup deletes an Edge group.
+func (service ServiceTx) DeleteEdgeGroup(ID portainer.EdgeGroupID) error {
+	identifier := service.service.connection.ConvertToKey(int(ID))
+	return service.tx.DeleteObject(BucketName, identifier)
+}
+
+func (service ServiceTx) Create(group *portainer.EdgeGroup) error {
+	return service.tx.CreateObject(
+		BucketName,
+		func(id uint64) (int, interface{}) {
+			group.ID = portainer.EdgeGroupID(id)
+			return int(group.ID), group
+		},
+	)
+}