refactor(stack): stack build process backend only [EE-4342] (#7750)

api/stacks/stackbuilders/stack_file_upload_builder.go

@@ -0,0 +1,78 @@
+package stackbuilders
+
+import (
+	"strconv"
+	"time"
+
+	httperror "github.com/portainer/libhttp/error"
+	portainer "github.com/portainer/portainer/api"
+)
+
+type FileUploadMethodStackBuildProcess interface {
+	// Set general stack information
+	SetGeneralInfo(payload *StackPayload, endpoint *portainer.Endpoint) FileUploadMethodStackBuildProcess
+	// Set unique stack information, e.g. swarm stack has swarmID, kubernetes stack has namespace
+	SetUniqueInfo(payload *StackPayload) FileUploadMethodStackBuildProcess
+	// Deploy stack based on the configuration
+	Deploy(payload *StackPayload, endpoint *portainer.Endpoint) FileUploadMethodStackBuildProcess
+	// Save the stack information to database
+	SaveStack() (*portainer.Stack, *httperror.HandlerError)
+	// Get reponse from http request. Use if it is needed
+	GetResponse() string
+	// Process the upload file
+	SetUploadedFile(payload *StackPayload) FileUploadMethodStackBuildProcess
+}
+
+type FileUploadMethodStackBuilder struct {
+	StackBuilder
+}
+
+func (b *FileUploadMethodStackBuilder) SetGeneralInfo(payload *StackPayload, endpoint *portainer.Endpoint) FileUploadMethodStackBuildProcess {
+	stackID := b.dataStore.Stack().GetNextIdentifier()
+	b.stack.ID = portainer.StackID(stackID)
+	b.stack.EndpointID = endpoint.ID
+	b.stack.Status = portainer.StackStatusActive
+	b.stack.CreationDate = time.Now().Unix()
+	return b
+}
+
+func (b *FileUploadMethodStackBuilder) SetUniqueInfo(payload *StackPayload) FileUploadMethodStackBuildProcess {
+
+	return b
+}
+
+func (b *FileUploadMethodStackBuilder) SetUploadedFile(payload *StackPayload) FileUploadMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	stackFolder := strconv.Itoa(int(b.stack.ID))
+	projectPath, err := b.fileService.StoreStackFileFromBytes(stackFolder, b.stack.EntryPoint, payload.StackFileContentBytes)
+	if err != nil {
+		b.err = httperror.InternalServerError("Unable to persist Compose file on disk", err)
+		return b
+	}
+	b.stack.ProjectPath = projectPath
+
+	return b
+}
+
+func (b *FileUploadMethodStackBuilder) Deploy(payload *StackPayload, endpoint *portainer.Endpoint) FileUploadMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	// Deploy the stack
+	err := b.deploymentConfiger.Deploy()
+	if err != nil {
+		b.err = httperror.InternalServerError(err.Error(), err)
+		return b
+	}
+
+	b.doCleanUp = false
+	return b
+}
+
+func (b *FileUploadMethodStackBuilder) GetResponse() string {
+	return ""
+}