forked from juju/juju
/
modelmanagerinterface.go
202 lines (178 loc) · 5.82 KB
/
modelmanagerinterface.go
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// Copyright 2016 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package common
import (
"time"
"github.com/juju/description"
"gopkg.in/juju/names.v2"
"github.com/juju/juju/apiserver/metricsender"
"github.com/juju/juju/controller"
"github.com/juju/juju/environs"
"github.com/juju/juju/environs/config"
"github.com/juju/juju/permission"
"github.com/juju/juju/state"
"github.com/juju/juju/status"
)
// ModelManagerBackend defines methods provided by a state
// instance used by the model manager apiserver implementation.
// All the interface methods are defined directly on state.State
// and are reproduced here for use in tests.
type ModelManagerBackend interface {
APIHostPortsGetter
ToolsStorageGetter
BlockGetter
metricsender.MetricsSenderBackend
state.CloudAccessor
ModelUUID() string
ModelsForUser(names.UserTag) ([]*state.UserModel, error)
IsControllerAdmin(user names.UserTag) (bool, error)
NewModel(state.ModelArgs) (Model, ModelManagerBackend, error)
ComposeNewModelConfig(modelAttr map[string]interface{}, regionSpec *environs.RegionSpec) (map[string]interface{}, error)
ControllerModel() (Model, error)
ControllerConfig() (controller.Config, error)
ForModel(tag names.ModelTag) (ModelManagerBackend, error)
GetModel(names.ModelTag) (Model, error)
Model() (Model, error)
ModelConfigDefaultValues() (config.ModelDefaultAttributes, error)
UpdateModelConfigDefaultValues(update map[string]interface{}, remove []string, regionSpec *environs.RegionSpec) error
Unit(name string) (*state.Unit, error)
ModelTag() names.ModelTag
ModelConfig() (*config.Config, error)
AllModels() ([]Model, error)
AddModelUser(string, state.UserAccessSpec) (permission.UserAccess, error)
AddControllerUser(state.UserAccessSpec) (permission.UserAccess, error)
RemoveUserAccess(names.UserTag, names.Tag) error
UserAccess(names.UserTag, names.Tag) (permission.UserAccess, error)
AllMachines() (machines []Machine, err error)
AllApplications() (applications []Application, err error)
ControllerUUID() string
ControllerTag() names.ControllerTag
Export() (description.Model, error)
SetUserAccess(subject names.UserTag, target names.Tag, access permission.Access) (permission.UserAccess, error)
LastModelConnection(user names.UserTag) (time.Time, error)
LatestMigration() (state.ModelMigration, error)
DumpAll() (map[string]interface{}, error)
Close() error
}
// Model defines methods provided by a state.Model instance.
// All the interface methods are defined directly on state.Model
// and are reproduced here for use in tests.
type Model interface {
Config() (*config.Config, error)
Life() state.Life
ModelTag() names.ModelTag
Owner() names.UserTag
Status() (status.StatusInfo, error)
Cloud() string
CloudCredential() (names.CloudCredentialTag, bool)
CloudRegion() string
Users() ([]permission.UserAccess, error)
Destroy() error
DestroyIncludingHosted() error
}
var _ ModelManagerBackend = (*modelManagerStateShim)(nil)
type modelManagerStateShim struct {
*state.State
}
// NewModelManagerBackend returns a modelManagerStateShim wrapping the passed
// state, which implements ModelManagerBackend.
func NewModelManagerBackend(st *state.State) ModelManagerBackend {
return modelManagerStateShim{st}
}
// ControllerModel implements ModelManagerBackend.
func (st modelManagerStateShim) ControllerModel() (Model, error) {
m, err := st.State.ControllerModel()
if err != nil {
return nil, err
}
return modelShim{m}, nil
}
// NewModel implements ModelManagerBackend.
func (st modelManagerStateShim) NewModel(args state.ModelArgs) (Model, ModelManagerBackend, error) {
m, otherState, err := st.State.NewModel(args)
if err != nil {
return nil, nil, err
}
return modelShim{m}, modelManagerStateShim{otherState}, nil
}
// ForModel implements ModelManagerBackend.
func (st modelManagerStateShim) ForModel(tag names.ModelTag) (ModelManagerBackend, error) {
otherState, err := st.State.ForModel(tag)
if err != nil {
return nil, err
}
return modelManagerStateShim{otherState}, nil
}
// GetModel implements ModelManagerBackend.
func (st modelManagerStateShim) GetModel(tag names.ModelTag) (Model, error) {
m, err := st.State.GetModel(tag)
if err != nil {
return nil, err
}
return modelShim{m}, nil
}
// Model implements ModelManagerBackend.
func (st modelManagerStateShim) Model() (Model, error) {
m, err := st.State.Model()
if err != nil {
return nil, err
}
return modelShim{m}, nil
}
// AllModels implements ModelManagerBackend.
func (st modelManagerStateShim) AllModels() ([]Model, error) {
allStateModels, err := st.State.AllModels()
if err != nil {
return nil, err
}
all := make([]Model, len(allStateModels))
for i, m := range allStateModels {
all[i] = modelShim{m}
}
return all, nil
}
type modelShim struct {
*state.Model
}
// Users implements ModelManagerBackend.
func (m modelShim) Users() ([]permission.UserAccess, error) {
stateUsers, err := m.Model.Users()
if err != nil {
return nil, err
}
users := make([]permission.UserAccess, len(stateUsers))
for i, user := range stateUsers {
users[i] = user
}
return users, nil
}
type machineShim struct {
*state.Machine
}
func (st modelManagerStateShim) AllMachines() ([]Machine, error) {
allStateMachines, err := st.State.AllMachines()
if err != nil {
return nil, err
}
all := make([]Machine, len(allStateMachines))
for i, m := range allStateMachines {
all[i] = machineShim{m}
}
return all, nil
}
// Application defines methods provided by a state.Application instance.
type Application interface{}
type applicationShim struct {
*state.Application
}
func (st modelManagerStateShim) AllApplications() ([]Application, error) {
allStateApplications, err := st.State.AllApplications()
if err != nil {
return nil, err
}
all := make([]Application, len(allStateApplications))
for i, a := range allStateApplications {
all[i] = applicationShim{a}
}
return all, nil
}