// Track inserts the provided payload info in state. If the payload
// is already in the DB then it is replaced.
func (up UnitPayloads) Track(pl payload.Payload) error {
// XXX OMFG payload/context/register.go:83 launches bad data
// which flies on a majestic unvalidated arc right through the
// system until it lands here. This code should be:
//
// if pl.Unit != up.unit {
// return errors.NotValidf("unexpected Unit %q", pl.Unit)
// }
//
// ...but is instead:
pl.Unit = up.unit
if err := pl.Validate(); err != nil {
return errors.Trace(err)
}
doc := nsPayloads.asDoc(payload.FullPayloadInfo{
Payload: pl,
Machine: up.machine,
})
change := payloadTrackChange{doc}
if err := Apply(up.db, change); err != nil {
return errors.Trace(err)
}
return nil
}
