func (i *importer) application(s description.Application) error {
// Import this application, then its units.
i.logger.Debugf("importing application %s", s.Name())
// 1. construct an applicationDoc
sdoc, err := i.makeApplicationDoc(s)
if err != nil {
return errors.Trace(err)
}
// 2. construct a statusDoc
status := s.Status()
if status == nil {
return errors.NotValidf("missing status")
}
statusDoc := i.makeStatusDoc(status)
// TODO: update never set malarky... maybe...
ops, err := addApplicationOps(i.st, addApplicationOpsArgs{
applicationDoc: sdoc,
statusDoc: statusDoc,
constraints: i.constraints(s.Constraints()),
storage: i.storageConstraints(s.StorageConstraints()),
settings: s.Settings(),
leadershipSettings: s.LeadershipSettings(),
})
if err != nil {
return errors.Trace(err)
}
if err := i.st.runTransaction(ops); err != nil {
return errors.Trace(err)
}
svc := newApplication(i.st, sdoc)
if annotations := s.Annotations(); len(annotations) > 0 {
if err := i.st.SetAnnotations(svc, annotations); err != nil {
return errors.Trace(err)
}
}
if err := i.importStatusHistory(svc.globalKey(), s.StatusHistory()); err != nil {
return errors.Trace(err)
}
for _, unit := range s.Units() {
if err := i.unit(s, unit); err != nil {
return errors.Trace(err)
}
}
if s.Leader() != "" {
if err := i.st.LeadershipClaimer().ClaimLeadership(
s.Name(),
s.Leader(),
initialLeaderClaimTime); err != nil {
return errors.Trace(err)
}
}
return nil
}
