mirror of https://github.com/portainer/portainer
102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
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package edgestack
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import (
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"github.com/boltdb/bolt"
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"github.com/portainer/portainer/api"
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"github.com/portainer/portainer/api/bolt/internal"
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)
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const (
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// BucketName represents the name of the bucket where this service stores data.
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BucketName = "edge_stack"
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)
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// Service represents a service for managing Edge stack data.
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type Service struct {
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db *bolt.DB
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}
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// NewService creates a new instance of a service.
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func NewService(db *bolt.DB) (*Service, error) {
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err := internal.CreateBucket(db, BucketName)
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if err != nil {
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return nil, err
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}
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return &Service{
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db: db,
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}, nil
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}
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// EdgeStacks returns an array containing all edge stacks
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func (service *Service) EdgeStacks() ([]portainer.EdgeStack, error) {
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var stacks = make([]portainer.EdgeStack, 0)
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err := service.db.View(func(tx *bolt.Tx) error {
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bucket := tx.Bucket([]byte(BucketName))
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cursor := bucket.Cursor()
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for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
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var stack portainer.EdgeStack
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err := internal.UnmarshalObject(v, &stack)
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if err != nil {
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return err
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}
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stacks = append(stacks, stack)
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}
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return nil
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})
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return stacks, err
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}
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// EdgeStack returns an Edge stack by ID.
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func (service *Service) EdgeStack(ID portainer.EdgeStackID) (*portainer.EdgeStack, error) {
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var stack portainer.EdgeStack
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identifier := internal.Itob(int(ID))
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err := internal.GetObject(service.db, BucketName, identifier, &stack)
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if err != nil {
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return nil, err
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}
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return &stack, nil
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}
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// CreateEdgeStack assign an ID to a new Edge stack and saves it.
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func (service *Service) CreateEdgeStack(edgeStack *portainer.EdgeStack) error {
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return service.db.Update(func(tx *bolt.Tx) error {
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bucket := tx.Bucket([]byte(BucketName))
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if edgeStack.ID == 0 {
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id, _ := bucket.NextSequence()
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edgeStack.ID = portainer.EdgeStackID(id)
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}
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data, err := internal.MarshalObject(edgeStack)
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if err != nil {
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return err
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}
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return bucket.Put(internal.Itob(int(edgeStack.ID)), data)
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})
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}
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// UpdateEdgeStack updates an Edge stack.
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func (service *Service) UpdateEdgeStack(ID portainer.EdgeStackID, edgeStack *portainer.EdgeStack) error {
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identifier := internal.Itob(int(ID))
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return internal.UpdateObject(service.db, BucketName, identifier, edgeStack)
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}
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// DeleteEdgeStack deletes an Edge stack.
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func (service *Service) DeleteEdgeStack(ID portainer.EdgeStackID) error {
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identifier := internal.Itob(int(ID))
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return internal.DeleteObject(service.db, BucketName, identifier)
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}
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// GetNextIdentifier returns the next identifier for an endpoint.
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func (service *Service) GetNextIdentifier() int {
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return internal.GetNextIdentifier(service.db, BucketName)
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}
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