// ImportModel deserializes a model description from the bytes, transforms
// the model config based on information from the controller model, and then
// imports that as a new database model.
func ImportModel(st *state.State, bytes []byte) (*state.Model, *state.State, error) {
model, err := description.Deserialize(bytes)
if err != nil {
return nil, nil, errors.Trace(err)
}
controllerModel, err := st.ControllerModel()
if err != nil {
return nil, nil, errors.Trace(err)
}
controllerConfig, err := controllerModel.Config()
if err != nil {
return nil, nil, errors.Trace(err)
}
model.UpdateConfig(controllerValues(controllerConfig))
if err := updateConfigFromProvider(model, controllerConfig); err != nil {
return nil, nil, errors.Trace(err)
}
dbModel, dbState, err := st.Import(model)
if err != nil {
return nil, nil, errors.Trace(err)
}
return dbModel, dbState, nil
}
func (s *ExportSuite) TestExportModel(c *gc.C) {
bytes, err := migration.ExportModel(s.State)
c.Assert(err, jc.ErrorIsNil)
// The bytes must be a valid model.
_, err = description.Deserialize(bytes)
c.Assert(err, jc.ErrorIsNil)
}
func (s *cmdModelSuite) TestDumpModel(c *gc.C) {
s.SetFeatureFlags(feature.DeveloperMode)
s.Factory.MakeMachine(c, &factory.MachineParams{
Jobs: []state.MachineJob{state.JobManageModel},
})
ctx := s.run(c, "dump-model")
output := testing.Stdout(ctx)
// The output is yaml formatted output that is a model description.
model, err := description.Deserialize([]byte(output))
c.Assert(err, jc.ErrorIsNil)
c.Assert(model.Config()["name"], gc.Equals, "controller")
}
// ImportModel deserializes a model description from the bytes, transforms
// the model config based on information from the controller model, and then
// imports that as a new database model.
func ImportModel(st *state.State, bytes []byte) (*state.Model, *state.State, error) {
model, err := description.Deserialize(bytes)
if err != nil {
return nil, nil, errors.Trace(err)
}
dbModel, dbState, err := st.Import(model)
if err != nil {
return nil, nil, errors.Trace(err)
}
return dbModel, dbState, nil
}