// processUnitAndAgentStatus retrieves status information for both unit and unitAgents.
func processUnitAndAgentStatus(unit *state.Unit, status *params.UnitStatus) {
status.UnitAgent, status.Workload = processUnitStatus(unit)
// Legacy fields required until Juju 2.0.
// We only display pending, started, error, stopped.
var ok bool
legacyState, ok := state.TranslateToLegacyAgentState(
state.Status(status.UnitAgent.Status),
state.Status(status.Workload.Status),
status.Workload.Info,
)
if !ok {
logger.Warningf(
"translate to legacy status encounted unexpected workload status %q and agent status %q",
status.Workload.Status, status.UnitAgent.Status)
}
status.AgentState = params.Status(legacyState)
if status.AgentState == params.StatusError {
status.AgentStateInfo = status.Workload.Info
}
status.AgentVersion = status.UnitAgent.Version
status.Life = status.UnitAgent.Life
status.Err = status.UnitAgent.Err
processUnitLost(unit, status)
return
}
func (context *statusContext) processUnit(unit *state.Unit, serviceCharm string) params.UnitStatus {
var result params.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]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) 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 (sf *statusFormatter) updateUnitStatusInfo(unit *params.UnitStatus, serviceName string) {
if unit.Workload.Status == params.StatusError {
if relation, ok := sf.relations[getRelationIdFromData(unit)]; ok {
// Append the details of the other endpoint on to the status info string.
if ep, ok := findOtherEndpoint(relation.Endpoints, serviceName); ok {
unit.Workload.Info = unit.Workload.Info + " for " + ep.String()
unit.AgentStateInfo = unit.Workload.Info
}
}
}
}
func (sf *statusFormatter) updateUnitStatusInfo(unit *params.UnitStatus, serviceName string) {
// This logic has no business here but can't be moved until Juju 2.0.
statusInfo := unit.Workload.Info
if unit.Workload.Status == "" {
// Old server that doesn't support this field and others.
// Just use the info string as-is.
statusInfo = unit.AgentStateInfo
}
if unit.Workload.Status == params.StatusError {
if relation, ok := sf.relations[getRelationIdFromData(unit)]; ok {
// Append the details of the other endpoint on to the status info string.
if ep, ok := findOtherEndpoint(relation.Endpoints, serviceName); ok {
unit.Workload.Info = statusInfo + " for " + ep.String()
unit.AgentStateInfo = unit.Workload.Info
}
}
}
}