refactor(api): restructure bolt package (#1981)

* refactor(api): bolt package refactor

* refactor(api): refactor bolt package

api/bolt/migrator/migrate_dbversion11.go

@@ -0,0 +1,127 @@
+package migrator
+
+import (
+	"strconv"
+	"strings"
+
+	"github.com/boltdb/bolt"
+	"github.com/portainer/portainer"
+	"github.com/portainer/portainer/bolt/internal"
+	"github.com/portainer/portainer/bolt/stack"
+)
+
+func (m *Migrator) updateEndpointsToVersion12() error {
+	legacyEndpoints, err := m.endpointService.Endpoints()
+	if err != nil {
+		return err
+	}
+
+	for _, endpoint := range legacyEndpoints {
+		endpoint.Tags = []string{}
+
+		err = m.endpointService.UpdateEndpoint(endpoint.ID, &endpoint)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (m *Migrator) updateEndpointGroupsToVersion12() error {
+	legacyEndpointGroups, err := m.endpointGroupService.EndpointGroups()
+	if err != nil {
+		return err
+	}
+
+	for _, group := range legacyEndpointGroups {
+		group.Tags = []string{}
+
+		err = m.endpointGroupService.UpdateEndpointGroup(group.ID, &group)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+type legacyStack struct {
+	ID          string               `json:"Id"`
+	Name        string               `json:"Name"`
+	EndpointID  portainer.EndpointID `json:"EndpointId"`
+	SwarmID     string               `json:"SwarmId"`
+	EntryPoint  string               `json:"EntryPoint"`
+	Env         []portainer.Pair     `json:"Env"`
+	ProjectPath string
+}
+
+func (m *Migrator) updateStacksToVersion12() error {
+	legacyStacks, err := m.retrieveLegacyStacks()
+	if err != nil {
+		return err
+	}
+
+	for _, legacyStack := range legacyStacks {
+		err := m.convertLegacyStack(&legacyStack)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (m *Migrator) convertLegacyStack(s *legacyStack) error {
+	stackID := m.stackService.GetNextIdentifier()
+	stack := &portainer.Stack{
+		ID:         portainer.StackID(stackID),
+		Name:       s.Name,
+		Type:       portainer.DockerSwarmStack,
+		SwarmID:    s.SwarmID,
+		EndpointID: 0,
+		EntryPoint: s.EntryPoint,
+		Env:        s.Env,
+	}
+
+	stack.ProjectPath = strings.Replace(s.ProjectPath, s.ID, strconv.Itoa(stackID), 1)
+	err := m.fileService.Rename(s.ProjectPath, stack.ProjectPath)
+	if err != nil {
+		return err
+	}
+
+	err = m.deleteLegacyStack(s.ID)
+	if err != nil {
+		return err
+	}
+
+	return m.stackService.CreateStack(stack)
+}
+
+func (m *Migrator) deleteLegacyStack(legacyID string) error {
+	return m.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stack.BucketName))
+		return bucket.Delete([]byte(legacyID))
+	})
+}
+
+func (m *Migrator) retrieveLegacyStacks() ([]legacyStack, error) {
+	var legacyStacks = make([]legacyStack, 0)
+	err := m.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stack.BucketName))
+		cursor := bucket.Cursor()
+
+		for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
+			var stack legacyStack
+			err := internal.UnmarshalObject(v, &stack)
+			if err != nil {
+				return err
+			}
+			legacyStacks = append(legacyStacks, stack)
+		}
+
+		return nil
+	})
+
+	return legacyStacks, err
+}