refactor(edge/stacks): separate create by method [EE-4947] (#8898)

api/http/handler/edgestacks/edgestack_create_string.go

@@ -0,0 +1,125 @@
+package edgestacks
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/asaskevich/govalidator"
+	"github.com/pkg/errors"
+	"github.com/portainer/libhttp/request"
+	portainer "github.com/portainer/portainer/api"
+	"github.com/portainer/portainer/api/filesystem"
+	httperrors "github.com/portainer/portainer/api/http/errors"
+)
+
+type edgeStackFromStringPayload struct {
+	// Name of the stack
+	Name string `example:"myStack" validate:"required"`
+	// Content of the Stack file
+	StackFileContent string `example:"version: 3\n services:\n web:\n image:nginx" validate:"required"`
+	// List of identifiers of EdgeGroups
+	EdgeGroups []portainer.EdgeGroupID `example:"1"`
+	// Deployment type to deploy this stack
+	// Valid values are: 0 - 'compose', 1 - 'kubernetes', 2 - 'nomad'
+	// for compose stacks will use kompose to convert to kubernetes manifest for kubernetes environments(endpoints)
+	// kubernetes deploy type is enabled only for kubernetes environments(endpoints)
+	// nomad deploy type is enabled only for nomad environments(endpoints)
+	DeploymentType portainer.EdgeStackDeploymentType `example:"0" enums:"0,1,2"`
+	// List of Registries to use for this stack
+	Registries []portainer.RegistryID
+	// Uses the manifest's namespaces instead of the default one
+	UseManifestNamespaces bool
+}
+
+func (payload *edgeStackFromStringPayload) Validate(r *http.Request) error {
+	if govalidator.IsNull(payload.Name) {
+		return httperrors.NewInvalidPayloadError("Invalid stack name")
+	}
+	if govalidator.IsNull(payload.StackFileContent) {
+		return httperrors.NewInvalidPayloadError("Invalid stack file content")
+	}
+	if len(payload.EdgeGroups) == 0 {
+		return httperrors.NewInvalidPayloadError("Edge Groups are mandatory for an Edge stack")
+	}
+	return nil
+}
+
+// @id EdgeStackCreateString
+// @summary Create an EdgeStack from a text
+// @description **Access policy**: administrator
+// @tags edge_stacks
+// @security ApiKeyAuth
+// @security jwt
+// @produce json
+// @param body body edgeStackFromStringPayload true "stack config"
+// @param dryrun query string false "if true, will not create an edge stack, but just will check the settings and return a non-persisted edge stack object"
+// @success 200 {object} portainer.EdgeStack
+// @failure 400 "Bad request"
+// @failure 500 "Internal server error"
+// @failure 503 "Edge compute features are disabled"
+// @router /edge_stacks/create/string [post]
+func (handler *Handler) createEdgeStackFromFileContent(r *http.Request, dryrun bool) (*portainer.EdgeStack, error) {
+	var payload edgeStackFromStringPayload
+	err := request.DecodeAndValidateJSONPayload(r, &payload)
+	if err != nil {
+		return nil, err
+	}
+
+	stack, err := handler.edgeStacksService.BuildEdgeStack(payload.Name, payload.DeploymentType, payload.EdgeGroups, payload.Registries, payload.UseManifestNamespaces)
+	if err != nil {
+		return nil, errors.Wrap(err, "failed to create Edge stack object")
+	}
+
+	if dryrun {
+		return stack, nil
+	}
+
+	return handler.edgeStacksService.PersistEdgeStack(stack, func(stackFolder string, relatedEndpointIds []portainer.EndpointID) (composePath string, manifestPath string, projectPath string, err error) {
+		return handler.storeFileContent(stackFolder, payload.DeploymentType, relatedEndpointIds, []byte(payload.StackFileContent))
+	})
+
+}
+
+func (handler *Handler) storeFileContent(stackFolder string, deploymentType portainer.EdgeStackDeploymentType, relatedEndpointIds []portainer.EndpointID, fileContent []byte) (composePath, manifestPath, projectPath string, err error) {
+	if deploymentType == portainer.EdgeStackDeploymentCompose {
+		composePath = filesystem.ComposeFileDefaultName
+
+		projectPath, err := handler.FileService.StoreEdgeStackFileFromBytes(stackFolder, composePath, fileContent)
+		if err != nil {
+			return "", "", "", err
+		}
+
+		manifestPath, err = handler.convertAndStoreKubeManifestIfNeeded(stackFolder, projectPath, composePath, relatedEndpointIds)
+		if err != nil {
+			return "", "", "", fmt.Errorf("Failed creating and storing kube manifest: %w", err)
+		}
+
+		return composePath, manifestPath, projectPath, nil
+
+	}
+
+	hasDockerEndpoint, err := hasDockerEndpoint(handler.DataStore.Endpoint(), relatedEndpointIds)
+	if err != nil {
+		return "", "", "", fmt.Errorf("unable to check for existence of docker environment: %w", err)
+	}
+
+	if hasDockerEndpoint {
+		return "", "", "", errors.New("edge stack with docker environment cannot be deployed with kubernetes or nomad config")
+	}
+
+	if deploymentType == portainer.EdgeStackDeploymentKubernetes {
+
+		manifestPath = filesystem.ManifestFileDefaultName
+
+		projectPath, err := handler.FileService.StoreEdgeStackFileFromBytes(stackFolder, manifestPath, fileContent)
+		if err != nil {
+			return "", "", "", err
+		}
+
+		return "", manifestPath, projectPath, nil
+
+	}
+
+	errMessage := fmt.Sprintf("invalid deployment type: %d", deploymentType)
+	return "", "", "", httperrors.NewInvalidPayloadError(errMessage)
+}