// 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) (status unitStatus) { status.PublicAddress, _ = unit.PublicAddress() for _, port := range unit.OpenedPorts() { status.OpenedPorts = append(status.OpenedPorts, port.String()) } if unit.IsPrincipal() { status.Machine, _ = unit.AssignedMachineId() } status.Life, status.AgentVersion, status.AgentState, status.AgentStateInfo, status.Err = processAgent(unit) if subUnits := unit.SubordinateNames(); len(subUnits) > 0 { status.Subordinates = make(map[string]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) } } } return }
func (context *statusContext) processUnit(unit *state.Unit) (status unitStatus) { status.PublicAddress, _ = unit.PublicAddress() if unit.IsPrincipal() { status.Machine, _ = unit.AssignedMachineId() } status.Life, status.AgentVersion, status.AgentState, status.AgentStateInfo, status.Err = processAgent(unit) if subUnits := unit.SubordinateNames(); len(subUnits) > 0 { status.Subordinates = make(map[string]unitStatus) for _, name := range subUnits { subUnit := context.unitByName(name) status.Subordinates[name] = context.processUnit(subUnit) } } return }