portainer/api/http/handler/backup/restore.go

69 lines
2.1 KiB
Go

package backup
import (
"bytes"
"io"
"net/http"
"github.com/pkg/errors"
httperror "github.com/portainer/libhttp/error"
"github.com/portainer/libhttp/request"
operations "github.com/portainer/portainer/api/backup"
)
type restorePayload struct {
FileContent []byte
FileName string
Password string
}
// @id Restore
// @summary Triggers a system restore using provided backup file
// @description Triggers a system restore using provided backup file
// @description **Access policy**: public
// @tags backup
// @accept json
// @param restorePayload body restorePayload true "Restore request payload"
// @success 200 "Success"
// @failure 400 "Invalid request"
// @failure 500 "Server error"
// @router /restore [post]
func (h *Handler) restore(w http.ResponseWriter, r *http.Request) *httperror.HandlerError {
initialized, err := h.adminMonitor.WasInitialized()
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Failed to check system initialization", Err: err}
}
if initialized {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Cannot restore already initialized instance", Err: errors.New("system already initialized")}
}
h.adminMonitor.Stop()
defer h.adminMonitor.Start()
var payload restorePayload
err = decodeForm(r, &payload)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid request payload", Err: err}
}
var archiveReader io.Reader = bytes.NewReader(payload.FileContent)
err = operations.RestoreArchive(archiveReader, payload.Password, h.filestorePath, h.gate, h.dataStore, h.shutdownTrigger)
if err != nil {
return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Failed to restore the backup", Err: err}
}
return nil
}
func decodeForm(r *http.Request, p *restorePayload) error {
content, name, err := request.RetrieveMultiPartFormFile(r, "file")
if err != nil {
return err
}
p.FileContent = content
p.FileName = name
password, _ := request.RetrieveMultiPartFormValue(r, "password", true)
p.Password = password
return nil
}