Example #1
0
// 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)
}
Example #2
0
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
}
Example #3
0
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
}