portainer/api/http/handler/stacks/create_swarm_stack.go

383 lines
13 KiB
Go

package stacks
import (
"errors"
"fmt"
"net/http"
"path"
"strconv"
"time"
"github.com/asaskevich/govalidator"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/filesystem"
"github.com/portainer/portainer/api/http/security"
)
type swarmStackFromFileContentPayload struct {
// Name of the stack
Name string `example:"myStack" validate:"required"`
// Swarm cluster identifier
SwarmID string `example:"jpofkc0i9uo9wtx1zesuk649w" validate:"required"`
// Content of the Stack file
StackFileContent string `example:"version: 3\n services:\n web:\n image:nginx" validate:"required"`
// A list of environment variables used during stack deployment
Env []portainer.Pair
}
func (payload *swarmStackFromFileContentPayload) Validate(r *http.Request) error {
if govalidator.IsNull(payload.Name) {
return errors.New("Invalid stack name")
}
if govalidator.IsNull(payload.SwarmID) {
return errors.New("Invalid Swarm ID")
}
if govalidator.IsNull(payload.StackFileContent) {
return errors.New("Invalid stack file content")
}
return nil
}
func (handler *Handler) createSwarmStackFromFileContent(w http.ResponseWriter, r *http.Request, endpoint *portainer.Endpoint, userID portainer.UserID) *httperror.HandlerError {
var payload swarmStackFromFileContentPayload
err := request.DecodeAndValidateJSONPayload(r, &payload)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
}
payload.Name = handler.SwarmStackManager.NormalizeStackName(payload.Name)
isUnique, err := handler.checkUniqueName(endpoint, payload.Name, 0, true)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to check for name collision", err}
}
if !isUnique {
errorMessage := fmt.Sprintf("A stack with the name '%s' is already running", payload.Name)
return &httperror.HandlerError{http.StatusConflict, errorMessage, errors.New(errorMessage)}
}
stackID := handler.DataStore.Stack().GetNextIdentifier()
stack := &portainer.Stack{
ID: portainer.StackID(stackID),
Name: payload.Name,
Type: portainer.DockerSwarmStack,
SwarmID: payload.SwarmID,
EndpointID: endpoint.ID,
EntryPoint: filesystem.ComposeFileDefaultName,
Env: payload.Env,
Status: portainer.StackStatusActive,
CreationDate: time.Now().Unix(),
}
stackFolder := strconv.Itoa(int(stack.ID))
projectPath, err := handler.FileService.StoreStackFileFromBytes(stackFolder, stack.EntryPoint, []byte(payload.StackFileContent))
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist Compose file on disk", err}
}
stack.ProjectPath = projectPath
doCleanUp := true
defer handler.cleanUp(stack, &doCleanUp)
config, configErr := handler.createSwarmDeployConfig(r, stack, endpoint, false)
if configErr != nil {
return configErr
}
err = handler.deploySwarmStack(config)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, err.Error(), err}
}
stack.CreatedBy = config.user.Username
err = handler.DataStore.Stack().CreateStack(stack)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist the stack inside the database", err}
}
doCleanUp = false
return handler.decorateStackResponse(w, stack, userID)
}
type swarmStackFromGitRepositoryPayload struct {
// Name of the stack
Name string `example:"myStack" validate:"required"`
// Swarm cluster identifier
SwarmID string `example:"jpofkc0i9uo9wtx1zesuk649w" validate:"required"`
// A list of environment variables used during stack deployment
Env []portainer.Pair
// URL of a Git repository hosting the Stack file
RepositoryURL string `example:"https://github.com/openfaas/faas" validate:"required"`
// Reference name of a Git repository hosting the Stack file
RepositoryReferenceName string `example:"refs/heads/master"`
// Use basic authentication to clone the Git repository
RepositoryAuthentication bool `example:"true"`
// Username used in basic authentication. Required when RepositoryAuthentication is true.
RepositoryUsername string `example:"myGitUsername"`
// Password used in basic authentication. Required when RepositoryAuthentication is true.
RepositoryPassword string `example:"myGitPassword"`
// Path to the Stack file inside the Git repository
ComposeFilePathInRepository string `example:"docker-compose.yml" default:"docker-compose.yml"`
}
func (payload *swarmStackFromGitRepositoryPayload) Validate(r *http.Request) error {
if govalidator.IsNull(payload.Name) {
return errors.New("Invalid stack name")
}
if govalidator.IsNull(payload.SwarmID) {
return errors.New("Invalid Swarm ID")
}
if govalidator.IsNull(payload.RepositoryURL) || !govalidator.IsURL(payload.RepositoryURL) {
return errors.New("Invalid repository URL. Must correspond to a valid URL format")
}
if payload.RepositoryAuthentication && (govalidator.IsNull(payload.RepositoryUsername) || govalidator.IsNull(payload.RepositoryPassword)) {
return errors.New("Invalid repository credentials. Username and password must be specified when authentication is enabled")
}
if govalidator.IsNull(payload.ComposeFilePathInRepository) {
payload.ComposeFilePathInRepository = filesystem.ComposeFileDefaultName
}
return nil
}
func (handler *Handler) createSwarmStackFromGitRepository(w http.ResponseWriter, r *http.Request, endpoint *portainer.Endpoint, userID portainer.UserID) *httperror.HandlerError {
var payload swarmStackFromGitRepositoryPayload
err := request.DecodeAndValidateJSONPayload(r, &payload)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
}
payload.Name = handler.SwarmStackManager.NormalizeStackName(payload.Name)
isUnique, err := handler.checkUniqueName(endpoint, payload.Name, 0, true)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to check for name collision", err}
}
if !isUnique {
errorMessage := fmt.Sprintf("A stack with the name '%s' is already running", payload.Name)
return &httperror.HandlerError{http.StatusConflict, errorMessage, errors.New(errorMessage)}
}
stackID := handler.DataStore.Stack().GetNextIdentifier()
stack := &portainer.Stack{
ID: portainer.StackID(stackID),
Name: payload.Name,
Type: portainer.DockerSwarmStack,
SwarmID: payload.SwarmID,
EndpointID: endpoint.ID,
EntryPoint: payload.ComposeFilePathInRepository,
Env: payload.Env,
Status: portainer.StackStatusActive,
CreationDate: time.Now().Unix(),
}
projectPath := handler.FileService.GetStackProjectPath(strconv.Itoa(int(stack.ID)))
stack.ProjectPath = projectPath
doCleanUp := true
defer handler.cleanUp(stack, &doCleanUp)
err = handler.cloneAndSaveConfig(stack, projectPath, payload.RepositoryURL, payload.RepositoryReferenceName, payload.ComposeFilePathInRepository, payload.RepositoryAuthentication, payload.RepositoryUsername, payload.RepositoryPassword)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to clone git repository", Err: err}
}
config, configErr := handler.createSwarmDeployConfig(r, stack, endpoint, false)
if configErr != nil {
return configErr
}
err = handler.deploySwarmStack(config)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, err.Error(), err}
}
stack.CreatedBy = config.user.Username
err = handler.DataStore.Stack().CreateStack(stack)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist the stack inside the database", err}
}
doCleanUp = false
return handler.decorateStackResponse(w, stack, userID)
}
type swarmStackFromFileUploadPayload struct {
Name string
SwarmID string
StackFileContent []byte
Env []portainer.Pair
}
func (payload *swarmStackFromFileUploadPayload) Validate(r *http.Request) error {
name, err := request.RetrieveMultiPartFormValue(r, "Name", false)
if err != nil {
return errors.New("Invalid stack name")
}
payload.Name = name
swarmID, err := request.RetrieveMultiPartFormValue(r, "SwarmID", false)
if err != nil {
return errors.New("Invalid Swarm ID")
}
payload.SwarmID = swarmID
composeFileContent, _, err := request.RetrieveMultiPartFormFile(r, "file")
if err != nil {
return errors.New("Invalid Compose file. Ensure that the Compose file is uploaded correctly")
}
payload.StackFileContent = composeFileContent
var env []portainer.Pair
err = request.RetrieveMultiPartFormJSONValue(r, "Env", &env, true)
if err != nil {
return errors.New("Invalid Env parameter")
}
payload.Env = env
return nil
}
func (handler *Handler) createSwarmStackFromFileUpload(w http.ResponseWriter, r *http.Request, endpoint *portainer.Endpoint, userID portainer.UserID) *httperror.HandlerError {
payload := &swarmStackFromFileUploadPayload{}
err := payload.Validate(r)
if err != nil {
return &httperror.HandlerError{http.StatusBadRequest, "Invalid request payload", err}
}
payload.Name = handler.SwarmStackManager.NormalizeStackName(payload.Name)
isUnique, err := handler.checkUniqueName(endpoint, payload.Name, 0, true)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to check for name collision", err}
}
if !isUnique {
errorMessage := fmt.Sprintf("A stack with the name '%s' is already running", payload.Name)
return &httperror.HandlerError{http.StatusConflict, errorMessage, errors.New(errorMessage)}
}
stackID := handler.DataStore.Stack().GetNextIdentifier()
stack := &portainer.Stack{
ID: portainer.StackID(stackID),
Name: payload.Name,
Type: portainer.DockerSwarmStack,
SwarmID: payload.SwarmID,
EndpointID: endpoint.ID,
EntryPoint: filesystem.ComposeFileDefaultName,
Env: payload.Env,
Status: portainer.StackStatusActive,
CreationDate: time.Now().Unix(),
}
stackFolder := strconv.Itoa(int(stack.ID))
projectPath, err := handler.FileService.StoreStackFileFromBytes(stackFolder, stack.EntryPoint, []byte(payload.StackFileContent))
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist Compose file on disk", err}
}
stack.ProjectPath = projectPath
doCleanUp := true
defer handler.cleanUp(stack, &doCleanUp)
config, configErr := handler.createSwarmDeployConfig(r, stack, endpoint, false)
if configErr != nil {
return configErr
}
err = handler.deploySwarmStack(config)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, err.Error(), err}
}
stack.CreatedBy = config.user.Username
err = handler.DataStore.Stack().CreateStack(stack)
if err != nil {
return &httperror.HandlerError{http.StatusInternalServerError, "Unable to persist the stack inside the database", err}
}
doCleanUp = false
return handler.decorateStackResponse(w, stack, userID)
}
type swarmStackDeploymentConfig struct {
stack *portainer.Stack
endpoint *portainer.Endpoint
registries []portainer.Registry
prune bool
isAdmin bool
user *portainer.User
}
func (handler *Handler) createSwarmDeployConfig(r *http.Request, stack *portainer.Stack, endpoint *portainer.Endpoint, prune bool) (*swarmStackDeploymentConfig, *httperror.HandlerError) {
securityContext, err := security.RetrieveRestrictedRequestContext(r)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve info from request context", err}
}
user, err := handler.DataStore.User().User(securityContext.UserID)
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "Unable to load user information from the database", err}
}
registries, err := handler.DataStore.Registry().Registries()
if err != nil {
return nil, &httperror.HandlerError{http.StatusInternalServerError, "Unable to retrieve registries from the database", err}
}
filteredRegistries := security.FilterRegistries(registries, user, securityContext.UserMemberships, endpoint.ID)
config := &swarmStackDeploymentConfig{
stack: stack,
endpoint: endpoint,
registries: filteredRegistries,
prune: prune,
isAdmin: securityContext.IsAdmin,
user: user,
}
return config, nil
}
func (handler *Handler) deploySwarmStack(config *swarmStackDeploymentConfig) error {
isAdminOrEndpointAdmin, err := handler.userIsAdminOrEndpointAdmin(config.user, config.endpoint.ID)
if err != nil {
return err
}
settings := &config.endpoint.SecuritySettings
if !settings.AllowBindMountsForRegularUsers && !isAdminOrEndpointAdmin {
composeFilePath := path.Join(config.stack.ProjectPath, config.stack.EntryPoint)
stackContent, err := handler.FileService.GetFileContent(composeFilePath)
if err != nil {
return err
}
err = handler.isValidStackFile(stackContent, settings)
if err != nil {
return err
}
}
handler.stackCreationMutex.Lock()
defer handler.stackCreationMutex.Unlock()
handler.SwarmStackManager.Login(config.registries, config.endpoint)
err = handler.SwarmStackManager.Deploy(config.stack, config.prune, config.endpoint)
if err != nil {
return err
}
err = handler.SwarmStackManager.Logout(config.endpoint)
if err != nil {
return err
}
return nil
}