// Destroy is a common implementation of the Destroy method defined on
// environs.Environ; we strongly recommend that this implementation be
// used when writing a new provider.
func Destroy(env environs.Environ) error {
logger.Infof("destroying environment %q", env.Name())
instances, err := env.AllInstances()
switch err {
case nil:
ids := make([]instance.Id, len(instances))
for i, inst := range instances {
ids[i] = inst.Id()
}
if err := env.StopInstances(ids...); err != nil {
return err
}
fallthrough
case environs.ErrNoInstances:
return env.Storage().RemoveAll()
}
return err
}