// SetInstanceInfo is used to provision a machine and in one steps set
// it's instance id, nonce, hardware characteristics, add networks and
// network interfaces as needed.
//
// TODO(dimitern) Do all the operations described in a single
// transaction, rather than using separate calls. Alternatively,
// we can add all the things to create/set in a document in some
// collection and have a worker that takes care of the actual work.
// Merge SetProvisioned() in here or drop it at that point.
func (m *Machine) SetInstanceInfo(
id instance.Id, nonce string, characteristics *instance.HardwareCharacteristics,
networks []NetworkInfo, interfaces []NetworkInterfaceInfo) error {
// Add the networks and interfaces first.
for _, network := range networks {
_, err := m.st.AddNetwork(network)
if err != nil && errors.IsAlreadyExists(err) {
// Ignore already existing networks.
continue
} else if err != nil {
return err
}
}
for _, iface := range interfaces {
_, err := m.AddNetworkInterface(iface)
if err != nil && errors.IsAlreadyExists(err) {
// Ignore already existing network interfaces.
continue
} else if err != nil {
return err
}
}
return m.SetProvisioned(id, nonce, characteristics)
}
// 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 ¶ms.Error{
Message: err.Error(),
Code: code,
}
}