portainer/api/http/handler/stack.go

759 lines
23 KiB
Go

package handler
import (
"encoding/json"
"path"
"strconv"
"strings"
"sync"
"github.com/asaskevich/govalidator"
"github.com/portainer/portainer"
"github.com/portainer/portainer/file"
httperror "github.com/portainer/portainer/http/error"
"github.com/portainer/portainer/http/proxy"
"github.com/portainer/portainer/http/security"
"log"
"net/http"
"os"
"github.com/gorilla/mux"
)
// StackHandler represents an HTTP API handler for managing Stack.
type StackHandler struct {
stackCreationMutex *sync.Mutex
stackDeletionMutex *sync.Mutex
*mux.Router
Logger *log.Logger
FileService portainer.FileService
GitService portainer.GitService
StackService portainer.StackService
EndpointService portainer.EndpointService
ResourceControlService portainer.ResourceControlService
RegistryService portainer.RegistryService
DockerHubService portainer.DockerHubService
StackManager portainer.StackManager
}
// NewStackHandler returns a new instance of StackHandler.
func NewStackHandler(bouncer *security.RequestBouncer) *StackHandler {
h := &StackHandler{
Router: mux.NewRouter(),
stackCreationMutex: &sync.Mutex{},
stackDeletionMutex: &sync.Mutex{},
Logger: log.New(os.Stderr, "", log.LstdFlags),
}
h.Handle("/{endpointId}/stacks",
bouncer.RestrictedAccess(http.HandlerFunc(h.handlePostStacks))).Methods(http.MethodPost)
h.Handle("/{endpointId}/stacks",
bouncer.RestrictedAccess(http.HandlerFunc(h.handleGetStacks))).Methods(http.MethodGet)
h.Handle("/{endpointId}/stacks/{id}",
bouncer.RestrictedAccess(http.HandlerFunc(h.handleGetStack))).Methods(http.MethodGet)
h.Handle("/{endpointId}/stacks/{id}",
bouncer.RestrictedAccess(http.HandlerFunc(h.handleDeleteStack))).Methods(http.MethodDelete)
h.Handle("/{endpointId}/stacks/{id}",
bouncer.RestrictedAccess(http.HandlerFunc(h.handlePutStack))).Methods(http.MethodPut)
h.Handle("/{endpointId}/stacks/{id}/stackfile",
bouncer.RestrictedAccess(http.HandlerFunc(h.handleGetStackFile))).Methods(http.MethodGet)
return h
}
type (
postStacksRequest struct {
Name string `valid:"required"`
SwarmID string `valid:"required"`
StackFileContent string `valid:""`
GitRepository string `valid:""`
PathInRepository string `valid:""`
Env []portainer.Pair `valid:""`
}
postStacksResponse struct {
ID string `json:"Id"`
}
getStackFileResponse struct {
StackFileContent string `json:"StackFileContent"`
}
putStackRequest struct {
StackFileContent string `valid:"required"`
Env []portainer.Pair `valid:""`
}
)
// handlePostStacks handles POST requests on /:endpointId/stacks?method=<method>
func (handler *StackHandler) handlePostStacks(w http.ResponseWriter, r *http.Request) {
method := r.FormValue("method")
if method == "" {
httperror.WriteErrorResponse(w, ErrInvalidQueryFormat, http.StatusBadRequest, handler.Logger)
return
}
if method == "string" {
handler.handlePostStacksStringMethod(w, r)
} else if method == "repository" {
handler.handlePostStacksRepositoryMethod(w, r)
} else if method == "file" {
handler.handlePostStacksFileMethod(w, r)
} else {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
}
func (handler *StackHandler) handlePostStacksStringMethod(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpointID := portainer.EndpointID(id)
endpoint, err := handler.EndpointService.Endpoint(endpointID)
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
var req postStacksRequest
if err = json.NewDecoder(r.Body).Decode(&req); err != nil {
httperror.WriteErrorResponse(w, ErrInvalidJSON, http.StatusBadRequest, handler.Logger)
return
}
_, err = govalidator.ValidateStruct(req)
if err != nil {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
stackName := req.Name
if stackName == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
stackFileContent := req.StackFileContent
if stackFileContent == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
swarmID := req.SwarmID
if swarmID == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
stacks, err := handler.StackService.Stacks()
if err != nil && err != portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
for _, stack := range stacks {
if strings.EqualFold(stack.Name, stackName) {
httperror.WriteErrorResponse(w, portainer.ErrStackAlreadyExists, http.StatusConflict, handler.Logger)
return
}
}
stack := &portainer.Stack{
ID: portainer.StackID(stackName + "_" + swarmID),
Name: stackName,
SwarmID: swarmID,
EntryPoint: file.ComposeFileDefaultName,
Env: req.Env,
}
projectPath, err := handler.FileService.StoreStackFileFromString(string(stack.ID), stackFileContent)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stack.ProjectPath = projectPath
err = handler.StackService.CreateStack(stack)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
dockerhub, err := handler.DockerHubService.DockerHub()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
registries, err := handler.RegistryService.Registries()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
filteredRegistries, err := security.FilterRegistries(registries, securityContext)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.deployStack(endpoint, stack, dockerhub, filteredRegistries)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
encodeJSON(w, &postStacksResponse{ID: string(stack.ID)}, handler.Logger)
}
func (handler *StackHandler) handlePostStacksRepositoryMethod(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpointID := portainer.EndpointID(id)
endpoint, err := handler.EndpointService.Endpoint(endpointID)
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
var req postStacksRequest
if err = json.NewDecoder(r.Body).Decode(&req); err != nil {
httperror.WriteErrorResponse(w, ErrInvalidJSON, http.StatusBadRequest, handler.Logger)
return
}
_, err = govalidator.ValidateStruct(req)
if err != nil {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
stackName := req.Name
if stackName == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
swarmID := req.SwarmID
if swarmID == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
if req.GitRepository == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
if req.PathInRepository == "" {
req.PathInRepository = file.ComposeFileDefaultName
}
stacks, err := handler.StackService.Stacks()
if err != nil && err != portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
for _, stack := range stacks {
if strings.EqualFold(stack.Name, stackName) {
httperror.WriteErrorResponse(w, portainer.ErrStackAlreadyExists, http.StatusConflict, handler.Logger)
return
}
}
stack := &portainer.Stack{
ID: portainer.StackID(stackName + "_" + swarmID),
Name: stackName,
SwarmID: swarmID,
EntryPoint: req.PathInRepository,
Env: req.Env,
}
projectPath := handler.FileService.GetStackProjectPath(string(stack.ID))
stack.ProjectPath = projectPath
// Ensure projectPath is empty
err = handler.FileService.RemoveDirectory(projectPath)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.GitService.CloneRepository(req.GitRepository, projectPath)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.StackService.CreateStack(stack)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
dockerhub, err := handler.DockerHubService.DockerHub()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
registries, err := handler.RegistryService.Registries()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
filteredRegistries, err := security.FilterRegistries(registries, securityContext)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.deployStack(endpoint, stack, dockerhub, filteredRegistries)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
encodeJSON(w, &postStacksResponse{ID: string(stack.ID)}, handler.Logger)
}
func (handler *StackHandler) handlePostStacksFileMethod(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpointID := portainer.EndpointID(id)
endpoint, err := handler.EndpointService.Endpoint(endpointID)
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stackName := r.FormValue("Name")
if stackName == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
swarmID := r.FormValue("SwarmID")
if swarmID == "" {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
envParam := r.FormValue("Env")
var env []portainer.Pair
if err = json.Unmarshal([]byte(envParam), &env); err != nil {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
stackFile, _, err := r.FormFile("file")
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
defer stackFile.Close()
stacks, err := handler.StackService.Stacks()
if err != nil && err != portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
for _, stack := range stacks {
if strings.EqualFold(stack.Name, stackName) {
httperror.WriteErrorResponse(w, portainer.ErrStackAlreadyExists, http.StatusConflict, handler.Logger)
return
}
}
stack := &portainer.Stack{
ID: portainer.StackID(stackName + "_" + swarmID),
Name: stackName,
SwarmID: swarmID,
EntryPoint: file.ComposeFileDefaultName,
Env: env,
}
projectPath, err := handler.FileService.StoreStackFileFromReader(string(stack.ID), stackFile)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stack.ProjectPath = projectPath
err = handler.StackService.CreateStack(stack)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
dockerhub, err := handler.DockerHubService.DockerHub()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
registries, err := handler.RegistryService.Registries()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
filteredRegistries, err := security.FilterRegistries(registries, securityContext)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.deployStack(endpoint, stack, dockerhub, filteredRegistries)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
encodeJSON(w, &postStacksResponse{ID: string(stack.ID)}, handler.Logger)
}
// handleGetStacks handles GET requests on /:endpointId/stacks?swarmId=<swarmId>
func (handler *StackHandler) handleGetStacks(w http.ResponseWriter, r *http.Request) {
swarmID := r.FormValue("swarmId")
vars := mux.Vars(r)
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
id, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpointID := portainer.EndpointID(id)
_, err = handler.EndpointService.Endpoint(endpointID)
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
var stacks []portainer.Stack
if swarmID == "" {
stacks, err = handler.StackService.Stacks()
} else {
stacks, err = handler.StackService.StacksBySwarmID(swarmID)
}
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
resourceControls, err := handler.ResourceControlService.ResourceControls()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
filteredStacks := proxy.FilterStacks(stacks, resourceControls, securityContext.IsAdmin,
securityContext.UserID, securityContext.UserMemberships)
encodeJSON(w, filteredStacks, handler.Logger)
}
// handleGetStack handles GET requests on /:endpointId/stacks/:id
func (handler *StackHandler) handleGetStack(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
stackID := vars["id"]
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
endpointID, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
_, err = handler.EndpointService.Endpoint(portainer.EndpointID(endpointID))
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stack, err := handler.StackService.Stack(portainer.StackID(stackID))
if err == portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
resourceControl, err := handler.ResourceControlService.ResourceControlByResourceID(stack.Name)
if err != nil && err != portainer.ErrResourceControlNotFound {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
extendedStack := proxy.ExtendedStack{*stack, portainer.ResourceControl{}}
if resourceControl != nil {
if securityContext.IsAdmin || proxy.CanAccessStack(stack, resourceControl, securityContext.UserID, securityContext.UserMemberships) {
extendedStack.ResourceControl = *resourceControl
} else {
httperror.WriteErrorResponse(w, portainer.ErrResourceAccessDenied, http.StatusForbidden, handler.Logger)
return
}
}
encodeJSON(w, extendedStack, handler.Logger)
}
// handlePutStack handles PUT requests on /:endpointId/stacks/:id
func (handler *StackHandler) handlePutStack(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
stackID := vars["id"]
endpointID, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpoint, err := handler.EndpointService.Endpoint(portainer.EndpointID(endpointID))
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stack, err := handler.StackService.Stack(portainer.StackID(stackID))
if err == portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
var req putStackRequest
if err = json.NewDecoder(r.Body).Decode(&req); err != nil {
httperror.WriteErrorResponse(w, ErrInvalidJSON, http.StatusBadRequest, handler.Logger)
return
}
_, err = govalidator.ValidateStruct(req)
if err != nil {
httperror.WriteErrorResponse(w, ErrInvalidRequestFormat, http.StatusBadRequest, handler.Logger)
return
}
stack.Env = req.Env
_, err = handler.FileService.StoreStackFileFromString(string(stack.ID), req.StackFileContent)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.StackService.UpdateStack(stack.ID, stack)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
dockerhub, err := handler.DockerHubService.DockerHub()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
registries, err := handler.RegistryService.Registries()
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
filteredRegistries, err := security.FilterRegistries(registries, securityContext)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.deployStack(endpoint, stack, dockerhub, filteredRegistries)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
}
// handleGetStackFile handles GET requests on /:endpointId/stacks/:id/stackfile
func (handler *StackHandler) handleGetStackFile(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
stackID := vars["id"]
endpointID, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
_, err = handler.EndpointService.Endpoint(portainer.EndpointID(endpointID))
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stack, err := handler.StackService.Stack(portainer.StackID(stackID))
if err == portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stackFileContent, err := handler.FileService.GetFileContent(path.Join(stack.ProjectPath, stack.EntryPoint))
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
encodeJSON(w, &getStackFileResponse{StackFileContent: stackFileContent}, handler.Logger)
}
// handleDeleteStack handles DELETE requests on /:endpointId/stacks/:id
func (handler *StackHandler) handleDeleteStack(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
stackID := vars["id"]
endpointID, err := strconv.Atoi(vars["endpointId"])
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusBadRequest, handler.Logger)
return
}
endpoint, err := handler.EndpointService.Endpoint(portainer.EndpointID(endpointID))
if err == portainer.ErrEndpointNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
stack, err := handler.StackService.Stack(portainer.StackID(stackID))
if err == portainer.ErrStackNotFound {
httperror.WriteErrorResponse(w, err, http.StatusNotFound, handler.Logger)
return
} else if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
handler.stackDeletionMutex.Lock()
err = handler.StackManager.Remove(stack, endpoint)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
handler.stackDeletionMutex.Unlock()
err = handler.StackService.DeleteStack(portainer.StackID(stackID))
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
err = handler.FileService.RemoveDirectory(stack.ProjectPath)
if err != nil {
httperror.WriteErrorResponse(w, err, http.StatusInternalServerError, handler.Logger)
return
}
}
func (handler *StackHandler) deployStack(endpoint *portainer.Endpoint, stack *portainer.Stack, dockerhub *portainer.DockerHub, registries []portainer.Registry) error {
handler.stackCreationMutex.Lock()
err := handler.StackManager.Login(dockerhub, registries, endpoint)
if err != nil {
handler.stackCreationMutex.Unlock()
return err
}
err = handler.StackManager.Deploy(stack, endpoint)
if err != nil {
handler.stackCreationMutex.Unlock()
return err
}
err = handler.StackManager.Logout(endpoint)
if err != nil {
handler.stackCreationMutex.Unlock()
return err
}
handler.stackCreationMutex.Unlock()
return nil
}