Golang IsNotAssigned Examples

Example #1

File: errors.go Project: jameinel/core

// ServerError returns an error suitable for returning to an API
// client, with an error code suitable for various kinds of errors
// generated in packages outside the API.
func ServerError(err error) *params.Error {
	if err == nil {
		return nil
	}
	code, ok := singletonCode(err)
	switch {
	case ok:
	case errors.IsUnauthorized(err):
		code = params.CodeUnauthorized
	case errors.IsNotFound(err):
		code = params.CodeNotFound
	case errors.IsAlreadyExists(err):
		code = params.CodeAlreadyExists
	case state.IsNotAssigned(err):
		code = params.CodeNotAssigned
	case state.IsHasAssignedUnitsError(err):
		code = params.CodeHasAssignedUnits
	case IsNoAddressSetError(err):
		code = params.CodeNoAddressSet
	case state.IsNotProvisionedError(err):
		code = params.CodeNotProvisioned
	default:
		code = params.ErrCode(err)
	}
	return &params.Error{
		Message: err.Error(),
		Code:    code,
	}
}

Example #2

File: provisioner.go Project: jameinel/core

// commonServiceInstances returns instances with
// services in common with the specified machine.
func commonServiceInstances(st *state.State, m *state.Machine) ([]instance.Id, error) {
	units, err := m.Units()
	if err != nil {
		return nil, err
	}
	var instanceIdSet set.Strings
	for _, unit := range units {
		if !unit.IsPrincipal() {
			continue
		}
		service, err := unit.Service()
		if err != nil {
			return nil, err
		}
		allUnits, err := service.AllUnits()
		if err != nil {
			return nil, err
		}
		for _, unit := range allUnits {
			machineId, err := unit.AssignedMachineId()
			if state.IsNotAssigned(err) {
				continue
			} else if err != nil {
				return nil, err
			}
			machine, err := st.Machine(machineId)
			if err != nil {
				return nil, err
			}
			instanceId, err := machine.InstanceId()
			if err == nil {
				instanceIdSet.Add(string(instanceId))
			} else if state.IsNotProvisionedError(err) {
				continue
			} else {
				return nil, err
			}
		}
	}
	instanceIds := make([]instance.Id, instanceIdSet.Size())
	// Sort values to simplify testing.
	for i, instanceId := range instanceIdSet.SortedValues() {
		instanceIds[i] = instance.Id(instanceId)
	}
	return instanceIds, nil
}