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

api/stacks/stackbuilders/k8s_file_content_builder.go

@@ -0,0 +1,108 @@
+package stackbuilders
+
+import (
+	"fmt"
+	"strconv"
+	"sync"
+
+	httperror "github.com/portainer/libhttp/error"
+	portainer "github.com/portainer/portainer/api"
+	"github.com/portainer/portainer/api/dataservices"
+	"github.com/portainer/portainer/api/filesystem"
+	k "github.com/portainer/portainer/api/kubernetes"
+	"github.com/portainer/portainer/api/stacks/deployments"
+	"github.com/portainer/portainer/api/stacks/stackutils"
+)
+
+type K8sStackFileContentBuilder struct {
+	FileContentMethodStackBuilder
+	stackCreateMut    *sync.Mutex
+	KuberneteDeployer portainer.KubernetesDeployer
+	User              *portainer.User
+}
+
+// CreateK8sStackFileContentBuilder creates a builder for the Kubernetes stack that will be deployed by file content method
+func CreateK8sStackFileContentBuilder(dataStore dataservices.DataStore,
+	fileService portainer.FileService,
+	stackDeployer deployments.StackDeployer,
+	kuberneteDeployer portainer.KubernetesDeployer,
+	user *portainer.User) *K8sStackFileContentBuilder {
+
+	return &K8sStackFileContentBuilder{
+		FileContentMethodStackBuilder: FileContentMethodStackBuilder{
+			StackBuilder: CreateStackBuilder(dataStore, fileService, stackDeployer),
+		},
+		stackCreateMut:    &sync.Mutex{},
+		KuberneteDeployer: kuberneteDeployer,
+		User:              user,
+	}
+}
+
+func (b *K8sStackFileContentBuilder) SetGeneralInfo(payload *StackPayload, endpoint *portainer.Endpoint) FileContentMethodStackBuildProcess {
+	b.FileContentMethodStackBuilder.SetGeneralInfo(payload, endpoint)
+	return b
+}
+
+func (b *K8sStackFileContentBuilder) SetUniqueInfo(payload *StackPayload) FileContentMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+	b.stack.Name = payload.StackName
+	b.stack.Type = portainer.KubernetesStack
+	b.stack.EntryPoint = filesystem.ManifestFileDefaultName
+	b.stack.Namespace = payload.Namespace
+	b.stack.CreatedBy = b.User.Username
+	b.stack.IsComposeFormat = payload.ComposeFormat
+	return b
+}
+
+func (b *K8sStackFileContentBuilder) SetFileContent(payload *StackPayload) FileContentMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	stackFolder := strconv.Itoa(int(b.stack.ID))
+	projectPath, err := b.fileService.StoreStackFileFromBytes(stackFolder, b.stack.EntryPoint, []byte(payload.StackFileContent))
+	if err != nil {
+		fileType := "Manifest"
+		if b.stack.IsComposeFormat {
+			fileType = "Compose"
+		}
+		errMsg := fmt.Sprintf("Unable to persist Kubernetes %s file on disk", fileType)
+		b.err = httperror.InternalServerError(errMsg, err)
+		return b
+	}
+	b.stack.ProjectPath = projectPath
+
+	return b
+}
+
+func (b *K8sStackFileContentBuilder) Deploy(payload *StackPayload, endpoint *portainer.Endpoint) FileContentMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	b.stackCreateMut.Lock()
+	defer b.stackCreateMut.Unlock()
+
+	k8sAppLabel := k.KubeAppLabels{
+		StackID:   int(b.stack.ID),
+		StackName: b.stack.Name,
+		Owner:     stackutils.SanitizeLabel(b.stack.CreatedBy),
+		Kind:      "content",
+	}
+
+	k8sDeploymentConfig, err := deployments.CreateKubernetesStackDeploymentConfig(b.stack, b.KuberneteDeployer, k8sAppLabel, b.User, endpoint)
+	if err != nil {
+		b.err = httperror.InternalServerError("failed to create temp kub deployment files", err)
+		return b
+	}
+
+	b.deploymentConfiger = k8sDeploymentConfig
+
+	return b.FileContentMethodStackBuilder.Deploy(payload, endpoint)
+}
+
+func (b *K8sStackFileContentBuilder) GetResponse() string {
+	return b.FileContentMethodStackBuilder.deploymentConfiger.GetResponse()
+}