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

api/bolt/dockerhub_service.go

@@ -0,0 +1,61 @@
+package bolt
+
+import (
+	"github.com/portainer/portainer"
+	"github.com/portainer/portainer/bolt/internal"
+
+	"github.com/boltdb/bolt"
+)
+
+// DockerHubService represents a service for managing registries.
+type DockerHubService struct {
+	store *Store
+}
+
+const (
+	dbDockerHubKey = "DOCKERHUB"
+)
+
+// DockerHub returns the DockerHub object.
+func (service *DockerHubService) DockerHub() (*portainer.DockerHub, error) {
+	var data []byte
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(dockerhubBucketName))
+		value := bucket.Get([]byte(dbDockerHubKey))
+		if value == nil {
+			return portainer.ErrDockerHubNotFound
+		}
+
+		data = make([]byte, len(value))
+		copy(data, value)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	var dockerhub portainer.DockerHub
+	err = internal.UnmarshalDockerHub(data, &dockerhub)
+	if err != nil {
+		return nil, err
+	}
+	return &dockerhub, nil
+}
+
+// StoreDockerHub persists a DockerHub object.
+func (service *DockerHubService) StoreDockerHub(dockerhub *portainer.DockerHub) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(dockerhubBucketName))
+
+		data, err := internal.MarshalDockerHub(dockerhub)
+		if err != nil {
+			return err
+		}
+
+		err = bucket.Put([]byte(dbDockerHubKey), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}