feat(stacks): add support for stack deploy (#1280)

api/bolt/datastore.go

@@ -25,6 +25,7 @@ type Store struct {
 	SettingsService        *SettingsService
 	RegistryService        *RegistryService
 	DockerHubService       *DockerHubService
+	StackService           *StackService
 
 	db                    *bolt.DB
 	checkForDataMigration bool
@@ -41,6 +42,7 @@ const (
 	settingsBucketName        = "settings"
 	registryBucketName        = "registries"
 	dockerhubBucketName       = "dockerhub"
+	stackBucketName           = "stacks"
 )
 
 // NewStore initializes a new Store and the associated services
@@ -56,6 +58,7 @@ func NewStore(storePath string) (*Store, error) {
 		SettingsService:        &SettingsService{},
 		RegistryService:        &RegistryService{},
 		DockerHubService:       &DockerHubService{},
+		StackService:           &StackService{},
 	}
 	store.UserService.store = store
 	store.TeamService.store = store
@@ -66,6 +69,7 @@ func NewStore(storePath string) (*Store, error) {
 	store.SettingsService.store = store
 	store.RegistryService.store = store
 	store.DockerHubService.store = store
+	store.StackService.store = store
 
 	_, err := os.Stat(storePath + "/" + databaseFileName)
 	if err != nil && os.IsNotExist(err) {
@@ -91,7 +95,7 @@ func (store *Store) Open() error {
 
 	bucketsToCreate := []string{versionBucketName, userBucketName, teamBucketName, endpointBucketName,
 		resourceControlBucketName, teamMembershipBucketName, settingsBucketName,
-		registryBucketName, dockerhubBucketName}
+		registryBucketName, dockerhubBucketName, stackBucketName}
 
 	return db.Update(func(tx *bolt.Tx) error {
 

api/bolt/internal/internal.go

@@ -47,6 +47,16 @@ func UnmarshalEndpoint(data []byte, endpoint *portainer.Endpoint) error {
 	return json.Unmarshal(data, endpoint)
 }
 
+// MarshalStack encodes a stack to binary format.
+func MarshalStack(stack *portainer.Stack) ([]byte, error) {
+	return json.Marshal(stack)
+}
+
+// UnmarshalStack decodes a stack from a binary data.
+func UnmarshalStack(data []byte, stack *portainer.Stack) error {
+	return json.Unmarshal(data, stack)
+}
+
 // MarshalRegistry encodes a registry to binary format.
 func MarshalRegistry(registry *portainer.Registry) ([]byte, error) {
 	return json.Marshal(registry)

api/bolt/stack_service.go

@@ -0,0 +1,138 @@
+package bolt
+
+import (
+	"github.com/portainer/portainer"
+	"github.com/portainer/portainer/bolt/internal"
+
+	"github.com/boltdb/bolt"
+)
+
+// StackService represents a service for managing stacks.
+type StackService struct {
+	store *Store
+}
+
+// Stack returns a stack object by ID.
+func (service *StackService) Stack(ID portainer.StackID) (*portainer.Stack, error) {
+	var data []byte
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stackBucketName))
+		value := bucket.Get([]byte(ID))
+		if value == nil {
+			return portainer.ErrStackNotFound
+		}
+
+		data = make([]byte, len(value))
+		copy(data, value)
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	var stack portainer.Stack
+	err = internal.UnmarshalStack(data, &stack)
+	if err != nil {
+		return nil, err
+	}
+	return &stack, nil
+}
+
+// Stacks returns an array containing all the stacks.
+func (service *StackService) Stacks() ([]portainer.Stack, error) {
+	var stacks = make([]portainer.Stack, 0)
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stackBucketName))
+
+		cursor := bucket.Cursor()
+		for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
+			var stack portainer.Stack
+			err := internal.UnmarshalStack(v, &stack)
+			if err != nil {
+				return err
+			}
+			stacks = append(stacks, stack)
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return stacks, nil
+}
+
+// StacksBySwarmID return an array containing all the stacks related to the specified Swarm ID.
+func (service *StackService) StacksBySwarmID(id string) ([]portainer.Stack, error) {
+	var stacks = make([]portainer.Stack, 0)
+	err := service.store.db.View(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stackBucketName))
+
+		cursor := bucket.Cursor()
+		for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
+			var stack portainer.Stack
+			err := internal.UnmarshalStack(v, &stack)
+			if err != nil {
+				return err
+			}
+			if stack.SwarmID == id {
+				stacks = append(stacks, stack)
+			}
+		}
+
+		return nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return stacks, nil
+}
+
+// CreateStack creates a new stack.
+func (service *StackService) CreateStack(stack *portainer.Stack) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stackBucketName))
+
+		data, err := internal.MarshalStack(stack)
+		if err != nil {
+			return err
+		}
+
+		err = bucket.Put([]byte(stack.ID), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// UpdateStack updates an stack.
+func (service *StackService) UpdateStack(ID portainer.StackID, stack *portainer.Stack) error {
+	data, err := internal.MarshalStack(stack)
+	if err != nil {
+		return err
+	}
+
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stackBucketName))
+		err = bucket.Put([]byte(ID), data)
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
+// DeleteStack deletes an stack.
+func (service *StackService) DeleteStack(ID portainer.StackID) error {
+	return service.store.db.Update(func(tx *bolt.Tx) error {
+		bucket := tx.Bucket([]byte(stackBucketName))
+		err := bucket.Delete([]byte(ID))
+		if err != nil {
+			return err
+		}
+		return nil
+	})
+}