func (d *discoverdSimulator) SetClusterState(s *state.DiscoverdState) {
d.Lock()
defer d.Unlock()
if d.state.Index != s.Index {
panic(fmt.Sprintf("incorrect state index, have %d, want %d", s.Index, d.state.Index))
}
d.state.Index++
d.state.State = s.State.Clone()
s.Index = d.state.Index
for _, c := range d.clients {
go c.notifyStateChanged()
}
}
func (d *Discoverd) SetState(state *state.DiscoverdState) error {
data, err := json.Marshal(state.State)
if err != nil {
return err
}
meta := &discoverd.ServiceMeta{Index: state.Index, Data: data}
if err := d.service.SetMeta(meta); err != nil {
return err
}
state.Index = meta.Index
if state.State.Primary != nil {
if err := d.service.SetLeader(state.State.Primary.ID); err != nil {
d.log.Error("error setting discoverd leader", "id", state.State.Primary.ID, "err", err)
// TODO(titanous): can we do anything about this?
}
}
return nil
}