func (i *importer) makeUnitDoc(s description.Application, u description.Unit) (*unitDoc, error) {
// NOTE: if we want to support units having different charms deployed
// than the application recomments and migrate that, then we should serialize
// the charm url for each unit rather than grabbing the applications charm url.
// Currently the units charm url matching the application is a precondiation
// to migration.
charmUrl, err := charm.ParseURL(s.CharmURL())
if err != nil {
return nil, errors.Trace(err)
}
var subordinates []string
if subs := u.Subordinates(); len(subs) > 0 {
for _, s := range subs {
subordinates = append(subordinates, s.Id())
}
}
return &unitDoc{
Name: u.Name(),
Application: s.Name(),
Series: s.Series(),
CharmURL: charmUrl,
Principal: u.Principal().Id(),
Subordinates: subordinates,
StorageAttachmentCount: i.unitStorageAttachmentCount(u.Tag()),
MachineId: u.Machine().Id(),
Tools: i.makeTools(u.Tools()),
Life: Alive,
PasswordHash: u.PasswordHash(),
}, nil
}
func (e *exporter) setUnitPayloads(exUnit description.Unit, payloads []payload.FullPayloadInfo) error {
unitID := exUnit.Tag().Id()
machineID := exUnit.Machine().Id()
for _, payload := range payloads {
if payload.Machine != machineID {
return errors.NotValidf("payload for unit %q reports wrong machine %q (should be %q)", unitID, payload.Machine, machineID)
}
args := description.PayloadArgs{
Name: payload.Name,
Type: payload.Type,
RawID: payload.ID,
State: payload.Status,
Labels: payload.Labels,
}
exUnit.AddPayload(args)
}
return nil
}