// matchUnit attempts to match a state.Unit to one of // a set of patterns, taking into account subordinate // relationships. func (m unitMatcher) matchUnit(u *state.Unit) bool { if m.matchesAny() { return true } // Keep the unit if: // (a) its name matches a pattern, or // (b) it's a principal and one of its subordinates matches, or // (c) it's a subordinate and its principal matches. // // Note: do *not* include a second subordinate if the principal is // only matched on account of a first subordinate matching. if m.matchString(u.Name()) { return true } if u.IsPrincipal() { for _, s := range u.SubordinateNames() { if m.matchString(s) { return true } } return false } principal, valid := u.PrincipalName() if !valid { panic("PrincipalName failed for subordinate unit") } return m.matchString(principal) }
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.Agent, status.AgentState, status.AgentStateInfo = processAgent(unit) status.AgentVersion = status.Agent.Version status.Life = status.Agent.Life status.Err = status.Agent.Err 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 }
func (context *statusContext) processUnit(unit *state.Unit, serviceCharm string) params.UnitStatus { var result params.UnitStatus addr, err := unit.PublicAddress() if err != nil { // Usually this indicates that no addresses have been set on the // machine yet. addr = network.Address{} logger.Debugf("error fetching public address: %v", err) } result.PublicAddress = addr.Value unitPorts, _ := unit.OpenedPorts() for _, port := range unitPorts { result.OpenedPorts = append(result.OpenedPorts, port.String()) } if unit.IsPrincipal() { result.Machine, _ = unit.AssignedMachineId() } curl, _ := unit.CharmURL() if serviceCharm != "" && curl != nil && curl.String() != serviceCharm { result.Charm = curl.String() } processUnitAndAgentStatus(unit, &result) if subUnits := unit.SubordinateNames(); len(subUnits) > 0 { result.Subordinates = make(map[string]params.UnitStatus) for _, name := range subUnits { subUnit := context.unitByName(name) // subUnit may be nil if subordinate was filtered out. if subUnit != nil { result.Subordinates[name] = context.processUnit(subUnit, serviceCharm) } } } return result }
func (context *statusContext) processUnit(unit *state.Unit, serviceCharm string) api.UnitStatus { var result api.UnitStatus result.PublicAddress, _ = unit.PublicAddress() unitPorts, _ := unit.OpenedPorts() for _, port := range unitPorts { result.OpenedPorts = append(result.OpenedPorts, port.String()) } if unit.IsPrincipal() { result.Machine, _ = unit.AssignedMachineId() } curl, _ := unit.CharmURL() if serviceCharm != "" && curl != nil && curl.String() != serviceCharm { result.Charm = curl.String() } processUnitAndAgentStatus(unit, &result) if subUnits := unit.SubordinateNames(); len(subUnits) > 0 { result.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 { result.Subordinates[name] = context.processUnit(subUnit, serviceCharm) } } } return result }