func (a *API) convertStateVolumeToParams(st state.Volume) (params.VolumeInstance, error) {
volume := params.VolumeInstance{VolumeTag: st.VolumeTag().String()}
if storage, err := st.StorageInstance(); err == nil {
volume.StorageTag = storage.String()
storageInstance, err := a.storage.StorageInstance(storage)
if err != nil {
err = errors.Annotatef(err,
"getting storage instance %v for volume %v",
storage, volume.VolumeTag)
return params.VolumeInstance{}, err
}
owner := storageInstance.Owner()
// only interested in Unit for now
if unitTag, ok := owner.(names.UnitTag); ok {
volume.UnitTag = unitTag.String()
}
}
if info, err := st.Info(); err == nil {
volume.HardwareId = info.HardwareId
volume.Size = info.Size
volume.Persistent = info.Persistent
volume.VolumeId = info.VolumeId
}
status, err := st.Status()
if err != nil {
return params.VolumeInstance{}, errors.Trace(err)
}
volume.Status = common.EntityStatusFromState(status)
return volume, nil
}
func createStorageDetails(st storageAccess, si state.StorageInstance) (*params.StorageDetails, error) {
// Get information from underlying volume or filesystem.
var persistent bool
var statusEntity status.StatusGetter
if si.Kind() != state.StorageKindBlock {
// TODO(axw) when we support persistent filesystems,
// e.g. CephFS, we'll need to do set "persistent"
// here too.
filesystem, err := st.StorageInstanceFilesystem(si.StorageTag())
if err != nil {
return nil, errors.Trace(err)
}
statusEntity = filesystem
} else {
volume, err := st.StorageInstanceVolume(si.StorageTag())
if err != nil {
return nil, errors.Trace(err)
}
if info, err := volume.Info(); err == nil {
persistent = info.Persistent
}
statusEntity = volume
}
status, err := statusEntity.Status()
if err != nil {
return nil, errors.Trace(err)
}
// Get unit storage attachments.
var storageAttachmentDetails map[string]params.StorageAttachmentDetails
storageAttachments, err := st.StorageAttachments(si.StorageTag())
if err != nil {
return nil, errors.Trace(err)
}
if len(storageAttachments) > 0 {
storageAttachmentDetails = make(map[string]params.StorageAttachmentDetails)
for _, a := range storageAttachments {
machineTag, location, err := storageAttachmentInfo(st, a)
if err != nil {
return nil, errors.Trace(err)
}
details := params.StorageAttachmentDetails{
a.StorageInstance().String(),
a.Unit().String(),
machineTag.String(),
location,
}
storageAttachmentDetails[a.Unit().String()] = details
}
}
return ¶ms.StorageDetails{
StorageTag: si.Tag().String(),
OwnerTag: si.Owner().String(),
Kind: params.StorageKind(si.Kind()),
Status: common.EntityStatusFromState(status),
Persistent: persistent,
Attachments: storageAttachmentDetails,
}, nil
}
func createFilesystemDetails(
st storageAccess, f state.Filesystem, attachments []state.FilesystemAttachment,
) (*params.FilesystemDetails, error) {
details := ¶ms.FilesystemDetails{
FilesystemTag: f.FilesystemTag().String(),
}
if volumeTag, err := f.Volume(); err == nil {
details.VolumeTag = volumeTag.String()
}
if info, err := f.Info(); err == nil {
details.Info = storagecommon.FilesystemInfoFromState(info)
}
if len(attachments) > 0 {
details.MachineAttachments = make(map[string]params.FilesystemAttachmentInfo, len(attachments))
for _, attachment := range attachments {
stateInfo, err := attachment.Info()
var info params.FilesystemAttachmentInfo
if err == nil {
info = storagecommon.FilesystemAttachmentInfoFromState(stateInfo)
}
details.MachineAttachments[attachment.Machine().String()] = info
}
}
status, err := f.Status()
if err != nil {
return nil, errors.Trace(err)
}
details.Status = common.EntityStatusFromState(status)
if storageTag, err := f.Storage(); err == nil {
storageInstance, err := st.StorageInstance(storageTag)
if err != nil {
return nil, errors.Trace(err)
}
storageDetails, err := createStorageDetails(st, storageInstance)
if err != nil {
return nil, errors.Trace(err)
}
details.Storage = storageDetails
}
return details, nil
}
func (m *ModelManagerAPI) getModelInfo(tag names.ModelTag) (params.ModelInfo, error) {
st, err := m.state.ForModel(tag)
if errors.IsNotFound(err) {
return params.ModelInfo{}, common.ErrPerm
} else if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
defer st.Close()
model, err := st.Model()
if errors.IsNotFound(err) {
return params.ModelInfo{}, common.ErrPerm
} else if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
cfg, err := model.Config()
if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
controllerCfg, err := st.ControllerConfig()
if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
users, err := model.Users()
if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
status, err := model.Status()
if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
owner := model.Owner()
info := params.ModelInfo{
Name: cfg.Name(),
UUID: cfg.UUID(),
ControllerUUID: controllerCfg.ControllerUUID(),
OwnerTag: owner.String(),
Life: params.Life(model.Life().String()),
Status: common.EntityStatusFromState(status),
ProviderType: cfg.Type(),
DefaultSeries: config.PreferredSeries(cfg),
CloudTag: names.NewCloudTag(model.Cloud()).String(),
CloudRegion: model.CloudRegion(),
}
if cloudCredentialTag, ok := model.CloudCredential(); ok {
info.CloudCredentialTag = cloudCredentialTag.String()
}
authorizedOwner := m.authCheck(owner) == nil
for _, user := range users {
if !authorizedOwner && m.authCheck(user.UserTag) != nil {
// The authenticated user is neither the owner
// nor administrator, nor the model user, so
// has no business knowing about the model user.
continue
}
userInfo, err := common.ModelUserInfo(user, st)
if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
info.Users = append(info.Users, userInfo)
}
if len(info.Users) == 0 {
// No users, which means the authenticated user doesn't
// have access to the model.
return params.ModelInfo{}, common.ErrPerm
}
canSeeMachines := authorizedOwner
if !canSeeMachines {
if canSeeMachines, err = m.hasWriteAccess(tag); err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
}
if canSeeMachines {
if info.Machines, err = common.ModelMachineInfo(st); err != nil {
return params.ModelInfo{}, err
}
}
return info, nil
}
// ModelInfo returns information about the specified models.
func (m *ModelManagerAPI) ModelInfo(args params.Entities) (params.ModelInfoResults, error) {
results := params.ModelInfoResults{
Results: make([]params.ModelInfoResult, len(args.Entities)),
}
getModelInfo := func(arg params.Entity) (params.ModelInfo, error) {
tag, err := names.ParseModelTag(arg.Tag)
if err != nil {
return params.ModelInfo{}, err
}
st, err := m.state.ForModel(tag)
if errors.IsNotFound(err) {
return params.ModelInfo{}, common.ErrPerm
} else if err != nil {
return params.ModelInfo{}, err
}
defer st.Close()
model, err := st.Model()
if errors.IsNotFound(err) {
return params.ModelInfo{}, common.ErrPerm
} else if err != nil {
return params.ModelInfo{}, err
}
cfg, err := model.Config()
if err != nil {
return params.ModelInfo{}, err
}
users, err := model.Users()
if err != nil {
return params.ModelInfo{}, err
}
status, err := model.Status()
if err != nil {
return params.ModelInfo{}, err
}
owner := model.Owner()
info := params.ModelInfo{
Name: cfg.Name(),
UUID: cfg.UUID(),
ControllerUUID: cfg.ControllerUUID(),
OwnerTag: owner.String(),
Life: params.Life(model.Life().String()),
Status: common.EntityStatusFromState(status),
ProviderType: cfg.Type(),
DefaultSeries: config.PreferredSeries(cfg),
}
authorizedOwner := m.authCheck(owner) == nil
for _, user := range users {
if !authorizedOwner && m.authCheck(user.UserTag()) != nil {
// The authenticated user is neither the owner
// nor administrator, nor the model user, so
// has no business knowing about the model user.
continue
}
userInfo, err := common.ModelUserInfo(user)
if err != nil {
return params.ModelInfo{}, errors.Trace(err)
}
info.Users = append(info.Users, userInfo)
}
if len(info.Users) == 0 {
// No users, which means the authenticated user doesn't
// have access to the model.
return params.ModelInfo{}, common.ErrPerm
}
return info, nil
}
for i, arg := range args.Entities {
modelInfo, err := getModelInfo(arg)
if err != nil {
results.Results[i].Error = common.ServerError(err)
continue
}
results.Results[i].Result = &modelInfo
}
return results, nil
}