func (context *statusContext) processUnit(unit *state.Unit, serviceCharm string) (status api.UnitStatus) { status.PublicAddress, _ = unit.PublicAddress() for _, port := range unit.OpenedPorts() { status.OpenedPorts = append(status.OpenedPorts, port.String()) } if unit.IsPrincipal() { status.Machine, _ = unit.AssignedMachineId() } curl, _ := unit.CharmURL() if serviceCharm != "" && curl != nil && curl.String() != serviceCharm { status.Charm = curl.String() } status.Life, status.AgentVersion, status.AgentState, status.AgentStateInfo, status.Err = processAgent(unit) if subUnits := unit.SubordinateNames(); len(subUnits) > 0 { status.Subordinates = make(map[string]api.UnitStatus) for _, name := range subUnits { subUnit := context.unitByName(name) // subUnit may be nil if subordinate was filtered out. if subUnit != nil { status.Subordinates[name] = context.processUnit(subUnit, serviceCharm) } } } return }