func newDeployer(st *state.State, w *state.UnitsWatcher, dataDir string) *deployer.Deployer {
info := &state.Info{
EntityName: w.EntityName(),
Addrs: st.Addrs(),
CACert: st.CACert(),
}
mgr := newDeployManager(st, info, dataDir)
return deployer.NewDeployer(st, mgr, w)
}