// RestoreError makes a best effort at converting the given error
// back into an error originally converted by ServerError(). If the
// error could not be converted then false is returned.
func RestoreError(err error) (error, bool) {
err = errors.Cause(err)
if apiErr, ok := err.(*params.Error); !ok {
return err, false
} else if apiErr == nil {
return nil, true
}
if params.ErrCode(err) == "" {
return err, false
}
msg := err.Error()
if singleton, ok := singletonError(err); ok {
return singleton, true
}
// TODO(ericsnow) Support the other error types handled by ServerError().
switch {
case params.IsCodeUnauthorized(err):
return errors.NewUnauthorized(nil, msg), true
case params.IsCodeNotFound(err):
// TODO(ericsnow) UnknownModelError should be handled here too.
// ...by parsing msg?
return errors.NewNotFound(nil, msg), true
case params.IsCodeAlreadyExists(err):
return errors.NewAlreadyExists(nil, msg), true
case params.IsCodeNotAssigned(err):
return errors.NewNotAssigned(nil, msg), true
case params.IsCodeHasAssignedUnits(err):
// TODO(ericsnow) Handle state.HasAssignedUnitsError here.
// ...by parsing msg?
return err, false
case params.IsCodeNoAddressSet(err):
// TODO(ericsnow) Handle isNoAddressSetError here.
// ...by parsing msg?
return err, false
case params.IsCodeNotProvisioned(err):
return errors.NewNotProvisioned(nil, msg), true
case params.IsCodeUpgradeInProgress(err):
// TODO(ericsnow) Handle state.UpgradeInProgressError here.
// ...by parsing msg?
return err, false
case params.IsCodeMachineHasAttachedStorage(err):
// TODO(ericsnow) Handle state.HasAttachmentsError here.
// ...by parsing msg?
return err, false
case params.IsCodeNotSupported(err):
return errors.NewNotSupported(nil, msg), true
case params.IsBadRequest(err):
return errors.NewBadRequest(nil, msg), true
case params.IsMethodNotAllowed(err):
return errors.NewMethodNotAllowed(nil, msg), true
case params.ErrCode(err) == params.CodeDischargeRequired:
// TODO(ericsnow) Handle DischargeRequiredError here.
return err, false
default:
return err, false
}
}
// ListSpaces lists all available spaces and their associated subnets.
func (api *API) ListSpaces() ([]params.Space, error) {
var response params.ListSpacesResults
err := api.facade.FacadeCall("ListSpaces", nil, &response)
if params.IsCodeNotSupported(err) {
return response.Results, errors.NewNotSupported(nil, err.Error())
}
return response.Results, err
}
// CreateSpace creates a new Juju network space, associating the
// specified subnets with it (optional; can be empty).
func (api *API) CreateSpace(name string, subnetIds []string, public bool) error {
var response params.ErrorResults
createSpacesParams := params.CreateSpacesParams{
Spaces: []params.CreateSpaceParams{makeCreateSpaceParams(name, subnetIds, public)},
}
err := api.facade.FacadeCall("CreateSpaces", createSpacesParams, &response)
if err != nil {
if params.IsCodeNotSupported(err) {
return errors.NewNotSupported(nil, err.Error())
}
return errors.Trace(err)
}
return response.OneError()
}