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

api/stacks/stackbuilders/stack_git_builder.go

@@ -0,0 +1,130 @@
+package stackbuilders
+
+import (
+	"strconv"
+	"time"
+
+	httperror "github.com/portainer/libhttp/error"
+	portainer "github.com/portainer/portainer/api"
+	"github.com/portainer/portainer/api/filesystem"
+	gittypes "github.com/portainer/portainer/api/git/types"
+	"github.com/portainer/portainer/api/scheduler"
+	"github.com/portainer/portainer/api/stacks/deployments"
+	"github.com/portainer/portainer/api/stacks/stackutils"
+)
+
+type GitMethodStackBuildProcess interface {
+	// Set general stack information
+	SetGeneralInfo(payload *StackPayload, endpoint *portainer.Endpoint) GitMethodStackBuildProcess
+	// Set unique stack information, e.g. swarm stack has swarmID, kubernetes stack has namespace
+	SetUniqueInfo(payload *StackPayload) GitMethodStackBuildProcess
+	// Deploy stack based on the configuration
+	Deploy(payload *StackPayload, endpoint *portainer.Endpoint) GitMethodStackBuildProcess
+	// Save the stack information to database and return the stack object
+	SaveStack() (*portainer.Stack, *httperror.HandlerError)
+	// Get reponse from http request. Use if it is needed
+	GetResponse() string
+	// Set git repository configuration
+	SetGitRepository(payload *StackPayload) GitMethodStackBuildProcess
+	// Set auto update setting
+	SetAutoUpdate(payload *StackPayload) GitMethodStackBuildProcess
+}
+
+type GitMethodStackBuilder struct {
+	StackBuilder
+	gitService portainer.GitService
+	scheduler  *scheduler.Scheduler
+}
+
+func (b *GitMethodStackBuilder) SetGeneralInfo(payload *StackPayload, endpoint *portainer.Endpoint) GitMethodStackBuildProcess {
+	stackID := b.dataStore.Stack().GetNextIdentifier()
+	b.stack.ID = portainer.StackID(stackID)
+	b.stack.EndpointID = endpoint.ID
+	b.stack.AdditionalFiles = payload.AdditionalFiles
+	b.stack.Status = portainer.StackStatusActive
+	b.stack.CreationDate = time.Now().Unix()
+	b.stack.AutoUpdate = payload.AutoUpdate
+	return b
+}
+
+func (b *GitMethodStackBuilder) SetUniqueInfo(payload *StackPayload) GitMethodStackBuildProcess {
+
+	return b
+}
+
+func (b *GitMethodStackBuilder) SetGitRepository(payload *StackPayload) GitMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	var repoConfig gittypes.RepoConfig
+	if payload.Authentication {
+		repoConfig.Authentication = &gittypes.GitAuthentication{
+			Username: payload.RepositoryConfigPayload.Username,
+			Password: payload.RepositoryConfigPayload.Password,
+		}
+	}
+
+	repoConfig.URL = payload.URL
+	repoConfig.ReferenceName = payload.ReferenceName
+	repoConfig.ConfigFilePath = payload.ComposeFile
+	if payload.ComposeFile == "" {
+		repoConfig.ConfigFilePath = filesystem.ComposeFileDefaultName
+	}
+
+	stackFolder := strconv.Itoa(int(b.stack.ID))
+	// Set the project path on the disk
+	b.stack.ProjectPath = b.fileService.GetStackProjectPath(stackFolder)
+
+	commitHash, err := stackutils.DownloadGitRepository(b.stack.ID, repoConfig, b.gitService, b.fileService)
+	if err != nil {
+		b.err = httperror.InternalServerError(err.Error(), err)
+		return b
+	}
+
+	// Update the latest commit id
+	repoConfig.ConfigHash = commitHash
+	b.stack.GitConfig = &repoConfig
+	return b
+}
+
+func (b *GitMethodStackBuilder) Deploy(payload *StackPayload, endpoint *portainer.Endpoint) GitMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	// Deploy the stack
+	err := b.deploymentConfiger.Deploy()
+	if err != nil {
+		b.err = httperror.InternalServerError(err.Error(), err)
+		return b
+	}
+
+	return b
+}
+
+func (b *GitMethodStackBuilder) SetAutoUpdate(payload *StackPayload) GitMethodStackBuildProcess {
+	if b.hasError() {
+		return b
+	}
+
+	if payload.AutoUpdate != nil && payload.AutoUpdate.Interval != "" {
+		jobID, err := deployments.StartAutoupdate(b.stack.ID,
+			b.stack.AutoUpdate.Interval,
+			b.scheduler,
+			b.stackDeployer,
+			b.dataStore,
+			b.gitService)
+		if err != nil {
+			b.err = err
+			return b
+		}
+
+		b.stack.AutoUpdate.JobID = jobID
+	}
+	return b
+}
+
+func (b *GitMethodStackBuilder) GetResponse() string {
+	return ""
+}