forked from juju/juju
/
formatter.go
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/
formatter.go
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// Copyright 2015 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package status
import (
"strings"
"github.com/juju/utils/series"
"gopkg.in/juju/charm.v6-unstable"
"gopkg.in/juju/names.v2"
"github.com/juju/juju/apiserver/params"
"github.com/juju/juju/cmd/juju/common"
"github.com/juju/juju/state/multiwatcher"
"github.com/juju/juju/status"
)
type statusFormatter struct {
status *params.FullStatus
controllerName string
relations map[int]params.RelationStatus
isoTime bool
}
// NewStatusFormatter takes stored model information (params.FullStatus) and populates
// the statusFormatter struct used in various status formatting methods
func NewStatusFormatter(status *params.FullStatus, isoTime bool) *statusFormatter {
return newStatusFormatter(status, "", isoTime)
}
func newStatusFormatter(status *params.FullStatus, controllerName string, isoTime bool) *statusFormatter {
sf := statusFormatter{
status: status,
controllerName: controllerName,
relations: make(map[int]params.RelationStatus),
isoTime: isoTime,
}
for _, relation := range status.Relations {
sf.relations[relation.Id] = relation
}
return &sf
}
func (sf *statusFormatter) format() (formattedStatus, error) {
if sf.status == nil {
return formattedStatus{}, nil
}
cloudTag, err := names.ParseCloudTag(sf.status.Model.CloudTag)
if err != nil {
return formattedStatus{}, err
}
out := formattedStatus{
Model: modelStatus{
Name: sf.status.Model.Name,
Controller: sf.controllerName,
Cloud: cloudTag.Id(),
CloudRegion: sf.status.Model.CloudRegion,
Version: sf.status.Model.Version,
AvailableVersion: sf.status.Model.AvailableVersion,
Status: sf.getStatusInfoContents(sf.status.Model.ModelStatus),
},
Machines: make(map[string]machineStatus),
Applications: make(map[string]applicationStatus),
RemoteApplications: make(map[string]remoteApplicationStatus),
}
for k, m := range sf.status.Machines {
out.Machines[k] = sf.formatMachine(m)
}
for sn, s := range sf.status.Applications {
out.Applications[sn] = sf.formatApplication(sn, s)
}
for sn, s := range sf.status.RemoteApplications {
out.RemoteApplications[sn] = sf.formatRemoteApplication(sn, s)
}
return out, nil
}
// MachineFormat takes stored model information (params.FullStatus) and formats machine status info.
func (sf *statusFormatter) MachineFormat(machineId []string) formattedMachineStatus {
if sf.status == nil {
return formattedMachineStatus{}
}
out := formattedMachineStatus{
Model: sf.status.Model.Name,
Machines: make(map[string]machineStatus),
}
for k, m := range sf.status.Machines {
if len(machineId) != 0 {
for i := 0; i < len(machineId); i++ {
if m.Id == machineId[i] {
out.Machines[k] = sf.formatMachine(m)
}
}
} else {
out.Machines[k] = sf.formatMachine(m)
}
}
return out
}
func (sf *statusFormatter) formatMachine(machine params.MachineStatus) machineStatus {
var out machineStatus
out = machineStatus{
JujuStatus: sf.getStatusInfoContents(machine.AgentStatus),
DNSName: machine.DNSName,
IPAddresses: machine.IPAddresses,
InstanceId: machine.InstanceId,
MachineStatus: sf.getStatusInfoContents(machine.InstanceStatus),
Series: machine.Series,
Id: machine.Id,
NetworkInterfaces: make(map[string]networkInterface),
Containers: make(map[string]machineStatus),
Constraints: machine.Constraints,
Hardware: machine.Hardware,
}
for k, d := range machine.NetworkInterfaces {
out.NetworkInterfaces[k] = networkInterface{
IPAddresses: d.IPAddresses,
MACAddress: d.MACAddress,
Gateway: d.Gateway,
DNSNameservers: d.DNSNameservers,
Space: d.Space,
IsUp: d.IsUp,
}
}
for k, m := range machine.Containers {
out.Containers[k] = sf.formatMachine(m)
}
for _, job := range machine.Jobs {
if job == multiwatcher.JobManageModel {
out.HAStatus = makeHAStatus(machine.HasVote, machine.WantsVote)
break
}
}
return out
}
func (sf *statusFormatter) formatApplication(name string, application params.ApplicationStatus) applicationStatus {
appOS, _ := series.GetOSFromSeries(application.Series)
var (
charmOrigin = ""
charmName = ""
charmRev = 0
)
if curl, err := charm.ParseURL(application.Charm); err != nil {
// We should never fail to parse a charm url sent back
// but if we do, don't crash.
logger.Errorf("failed to parse charm: %v", err)
} else {
switch curl.Schema {
case "cs":
charmOrigin = "jujucharms"
case "local":
charmOrigin = "local"
default:
charmOrigin = "unknown"
}
charmName = curl.Name
charmRev = curl.Revision
}
out := applicationStatus{
Err: application.Err,
Charm: application.Charm,
Series: application.Series,
OS: strings.ToLower(appOS.String()),
CharmOrigin: charmOrigin,
CharmName: charmName,
CharmRev: charmRev,
Exposed: application.Exposed,
Life: application.Life,
Relations: application.Relations,
CanUpgradeTo: application.CanUpgradeTo,
SubordinateTo: application.SubordinateTo,
Units: make(map[string]unitStatus),
StatusInfo: sf.getApplicationStatusInfo(application),
Version: application.WorkloadVersion,
}
for k, m := range application.Units {
out.Units[k] = sf.formatUnit(unitFormatInfo{
unit: m,
unitName: k,
applicationName: name,
meterStatuses: application.MeterStatuses,
})
}
return out
}
func (sf *statusFormatter) formatRemoteApplication(name string, application params.RemoteApplicationStatus) remoteApplicationStatus {
out := remoteApplicationStatus{
Err: application.Err,
ApplicationURL: application.ApplicationURL,
Life: application.Life,
Relations: application.Relations,
StatusInfo: sf.getRemoteApplicationStatusInfo(application),
}
out.Endpoints = make(map[string]remoteEndpoint)
for _, ep := range application.Endpoints {
out.Endpoints[ep.Name] = remoteEndpoint{
Interface: ep.Interface,
Role: string(ep.Role),
}
}
return out
}
func (sf *statusFormatter) getApplicationStatusInfo(application params.ApplicationStatus) statusInfoContents {
// TODO(perrito66) add status validation.
info := statusInfoContents{
Err: application.Status.Err,
Current: status.Status(application.Status.Status),
Message: application.Status.Info,
Version: application.Status.Version,
}
if application.Status.Since != nil {
info.Since = common.FormatTime(application.Status.Since, sf.isoTime)
}
return info
}
func (sf *statusFormatter) getRemoteApplicationStatusInfo(application params.RemoteApplicationStatus) statusInfoContents {
// TODO(perrito66) add status validation.
info := statusInfoContents{
Err: application.Status.Err,
Current: status.Status(application.Status.Status),
Message: application.Status.Info,
Version: application.Status.Version,
}
if application.Status.Since != nil {
info.Since = common.FormatTime(application.Status.Since, sf.isoTime)
}
return info
}
type unitFormatInfo struct {
unit params.UnitStatus
unitName string
applicationName string
meterStatuses map[string]params.MeterStatus
}
func (sf *statusFormatter) formatUnit(info unitFormatInfo) unitStatus {
// TODO(Wallyworld) - this should be server side but we still need to support older servers.
sf.updateUnitStatusInfo(&info.unit, info.applicationName)
out := unitStatus{
WorkloadStatusInfo: sf.getWorkloadStatusInfo(info.unit),
JujuStatusInfo: sf.getAgentStatusInfo(info.unit),
Machine: info.unit.Machine,
OpenedPorts: info.unit.OpenedPorts,
PublicAddress: info.unit.PublicAddress,
Charm: info.unit.Charm,
Subordinates: make(map[string]unitStatus),
Leader: info.unit.Leader,
}
if ms, ok := info.meterStatuses[info.unitName]; ok {
out.MeterStatus = &meterStatus{
Color: ms.Color,
Message: ms.Message,
}
}
for k, m := range info.unit.Subordinates {
out.Subordinates[k] = sf.formatUnit(unitFormatInfo{
unit: m,
unitName: k,
applicationName: info.applicationName,
meterStatuses: info.meterStatuses,
})
}
return out
}
func (sf *statusFormatter) getStatusInfoContents(inst params.DetailedStatus) statusInfoContents {
// TODO(perrito66) add status validation.
info := statusInfoContents{
Err: inst.Err,
Current: status.Status(inst.Status),
Message: inst.Info,
Version: inst.Version,
Life: inst.Life,
}
if inst.Since != nil {
info.Since = common.FormatTime(inst.Since, sf.isoTime)
}
return info
}
func (sf *statusFormatter) getWorkloadStatusInfo(unit params.UnitStatus) statusInfoContents {
// TODO(perrito66) add status validation.
info := statusInfoContents{
Err: unit.WorkloadStatus.Err,
Current: status.Status(unit.WorkloadStatus.Status),
Message: unit.WorkloadStatus.Info,
Version: unit.WorkloadStatus.Version,
}
if unit.WorkloadStatus.Since != nil {
info.Since = common.FormatTime(unit.WorkloadStatus.Since, sf.isoTime)
}
return info
}
func (sf *statusFormatter) getAgentStatusInfo(unit params.UnitStatus) statusInfoContents {
// TODO(perrito66) add status validation.
info := statusInfoContents{
Err: unit.AgentStatus.Err,
Current: status.Status(unit.AgentStatus.Status),
Message: unit.AgentStatus.Info,
Version: unit.AgentStatus.Version,
}
if unit.AgentStatus.Since != nil {
info.Since = common.FormatTime(unit.AgentStatus.Since, sf.isoTime)
}
return info
}
func (sf *statusFormatter) updateUnitStatusInfo(unit *params.UnitStatus, applicationName string) {
// TODO(perrito66) add status validation.
if status.Status(unit.WorkloadStatus.Status) == status.Error {
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, applicationName); ok {
unit.WorkloadStatus.Info = unit.WorkloadStatus.Info + " for " + ep.String()
}
}
}
}
func makeHAStatus(hasVote, wantsVote bool) string {
var s string
switch {
case hasVote && wantsVote:
s = "has-vote"
case hasVote && !wantsVote:
s = "removing-vote"
case !hasVote && wantsVote:
s = "adding-vote"
case !hasVote && !wantsVote:
s = "no-vote"
}
return s
}
func getRelationIdFromData(unit *params.UnitStatus) int {
if relationId_, ok := unit.WorkloadStatus.Data["relation-id"]; ok {
if relationId, ok := relationId_.(float64); ok {
return int(relationId)
} else {
logger.Infof("relation-id found status data but was unexpected "+
"type: %q. Status output may be lacking some detail.", relationId_)
}
}
return -1
}
// findOtherEndpoint searches the provided endpoints for an endpoint
// that *doesn't* match applicationName. The returned bool indicates if
// such an endpoint was found.
func findOtherEndpoint(endpoints []params.EndpointStatus, applicationName string) (params.EndpointStatus, bool) {
for _, endpoint := range endpoints {
if endpoint.ApplicationName != applicationName {
return endpoint, true
}
}
return params.EndpointStatus{}, false
}