mirror of https://github.com/portainer/portainer
123 lines
3.6 KiB
Go
123 lines
3.6 KiB
Go
package templates
|
|
|
|
import (
|
|
"encoding/json"
|
|
"errors"
|
|
"net/http"
|
|
|
|
"github.com/asaskevich/govalidator"
|
|
httperror "github.com/portainer/libhttp/error"
|
|
"github.com/portainer/libhttp/request"
|
|
"github.com/portainer/libhttp/response"
|
|
portainer "github.com/portainer/portainer/api"
|
|
|
|
"github.com/rs/zerolog/log"
|
|
)
|
|
|
|
type filePayload struct {
|
|
// URL of a git repository where the file is stored
|
|
RepositoryURL string `example:"https://github.com/portainer/portainer-compose" validate:"required"`
|
|
// Path to the file inside the git repository
|
|
ComposeFilePathInRepository string `example:"./subfolder/docker-compose.yml" validate:"required"`
|
|
}
|
|
|
|
type fileResponse struct {
|
|
// The requested file content
|
|
FileContent string `example:"version:2"`
|
|
}
|
|
|
|
func (payload *filePayload) Validate(r *http.Request) error {
|
|
if govalidator.IsNull(payload.RepositoryURL) {
|
|
return errors.New("Invalid repository url")
|
|
}
|
|
|
|
if govalidator.IsNull(payload.ComposeFilePathInRepository) {
|
|
return errors.New("Invalid file path")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (handler *Handler) ifRequestedTemplateExists(payload *filePayload) *httperror.HandlerError {
|
|
settings, err := handler.DataStore.Settings().Settings()
|
|
if err != nil {
|
|
return httperror.InternalServerError("Unable to retrieve settings from the database", err)
|
|
}
|
|
|
|
resp, err := http.Get(settings.TemplatesURL)
|
|
if err != nil {
|
|
return httperror.InternalServerError("Unable to retrieve templates via the network", err)
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
var templates struct {
|
|
Templates []portainer.Template
|
|
}
|
|
err = json.NewDecoder(resp.Body).Decode(&templates)
|
|
if err != nil {
|
|
return httperror.InternalServerError("Unable to parse template file", err)
|
|
}
|
|
|
|
for _, t := range templates.Templates {
|
|
if t.Repository.URL == payload.RepositoryURL && t.Repository.StackFile == payload.ComposeFilePathInRepository {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
return httperror.InternalServerError("Invalid template", errors.New("requested template does not exist"))
|
|
}
|
|
|
|
// @id TemplateFile
|
|
// @summary Get a template's file
|
|
// @description Get a template's file
|
|
// @description **Access policy**: authenticated
|
|
// @tags templates
|
|
// @security ApiKeyAuth
|
|
// @security jwt
|
|
// @accept json
|
|
// @produce json
|
|
// @param body body filePayload true "File details"
|
|
// @success 200 {object} fileResponse "Success"
|
|
// @failure 400 "Invalid request"
|
|
// @failure 500 "Server error"
|
|
// @router /templates/file [post]
|
|
func (handler *Handler) templateFile(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
|
|
var payload filePayload
|
|
|
|
err := request.DecodeAndValidateJSONPayload(r, &payload)
|
|
if err != nil {
|
|
return httperror.BadRequest("Invalid request payload", err)
|
|
}
|
|
|
|
if err := handler.ifRequestedTemplateExists(&payload); err != nil {
|
|
return err
|
|
}
|
|
|
|
projectPath, err := handler.FileService.GetTemporaryPath()
|
|
if err != nil {
|
|
return httperror.InternalServerError("Unable to create temporary folder", err)
|
|
}
|
|
|
|
defer handler.cleanUp(projectPath)
|
|
|
|
err = handler.GitService.CloneRepository(projectPath, payload.RepositoryURL, "", "", "", false)
|
|
if err != nil {
|
|
return httperror.InternalServerError("Unable to clone git repository", err)
|
|
}
|
|
|
|
fileContent, err := handler.FileService.GetFileContent(projectPath, payload.ComposeFilePathInRepository)
|
|
if err != nil {
|
|
return httperror.InternalServerError("Failed loading file content", err)
|
|
}
|
|
|
|
return response.JSON(w, fileResponse{FileContent: string(fileContent)})
|
|
|
|
}
|
|
|
|
func (handler *Handler) cleanUp(projectPath string) {
|
|
err := handler.FileService.RemoveDirectory(projectPath)
|
|
if err != nil {
|
|
log.Debug().Err(err).Msg("HTTP error: unable to cleanup stack creation")
|
|
}
|
|
}
|