// NewKeyManagerAPI creates a new server-side keyupdater API end point.
func NewKeyManagerAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*KeyManagerAPI, error) {
// Only clients and environment managers can access the key manager service.
if !authorizer.AuthClient() && !authorizer.AuthEnvironManager() {
return nil, common.ErrPerm
}
// TODO(wallyworld) - replace stub with real canRead function
// For now, only admins can read authorised ssh keys.
canRead := func(_ string) bool {
return authorizer.GetAuthTag() == adminUser
}
// TODO(wallyworld) - replace stub with real canWrite function
// For now, only admins can write authorised ssh keys for users.
// Machine agents can write the juju-system-key.
canWrite := func(user string) bool {
// Are we a machine agent writing the Juju system key.
if user == config.JujuSystemKey {
_, ismachinetag := authorizer.GetAuthTag().(names.MachineTag)
return ismachinetag
}
// Are we writing the auth key for a user.
if _, err := st.User(user); err != nil {
return false
}
return authorizer.GetAuthTag() == adminUser
}
return &KeyManagerAPI{
state: st,
resources: resources,
authorizer: authorizer,
canRead: canRead,
canWrite: canWrite}, nil
}
func NewUserManagerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*UserManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
resource, ok := resources.Get("createLocalLoginMacaroon").(common.ValueResource)
if !ok {
return nil, errors.NotFoundf("userAuth resource")
}
createLocalLoginMacaroon, ok := resource.Value.(func(names.UserTag) (*macaroon.Macaroon, error))
if !ok {
return nil, errors.NotValidf("userAuth resource")
}
return &UserManagerAPI{
state: st,
authorizer: authorizer,
createLocalLoginMacaroon: createLocalLoginMacaroon,
check: common.NewBlockChecker(st),
}, nil
}
// NewControllerAPI creates a new api server endpoint for managing
// environments.
func NewControllerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*ControllerAPI, error) {
if !authorizer.AuthClient() {
return nil, errors.Trace(common.ErrPerm)
}
// Since we know this is a user tag (because AuthClient is true),
// we just do the type assertion to the UserTag.
apiUser, _ := authorizer.GetAuthTag().(names.UserTag)
isAdmin, err := st.IsControllerAdministrator(apiUser)
if err != nil {
return nil, errors.Trace(err)
}
// The entire end point is only accessible to controller administrators.
if !isAdmin {
return nil, errors.Trace(common.ErrPerm)
}
return &ControllerAPI{
state: st,
authorizer: authorizer,
apiUser: apiUser,
resources: resources,
}, nil
}
// NewAPI creates a new instance of the Backups API facade.
func NewAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*API, error) {
if !authorizer.AuthClient() {
return nil, errors.Trace(common.ErrPerm)
}
// Get the backup paths.
dataDir, err := extractResourceValue(resources, "dataDir")
if err != nil {
return nil, errors.Trace(err)
}
logsDir, err := extractResourceValue(resources, "logDir")
if err != nil {
return nil, errors.Trace(err)
}
paths := backups.Paths{
DataDir: dataDir,
LogsDir: logsDir,
}
// Build the API.
machineID, err := extractResourceValue(resources, "machineID")
if err != nil {
return nil, errors.Trace(err)
}
b := API{
st: st,
paths: &paths,
machineID: machineID,
}
return &b, nil
}
// NewActionAPI returns an initialized ActionAPI
func NewActionAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*ActionAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &ActionAPI{
state: st,
resources: resources,
authorizer: authorizer,
}, nil
}
// NewMetricsManagerAPI creates a new API endpoint for calling metrics manager functions.
func NewMetricsManagerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*MetricsManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &MetricsManagerAPI{state: st}, nil
}
// NewHighAvailabilityAPI creates a new server-side highavailability API end point.
func NewHighAvailabilityAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*HighAvailabilityAPI, error) {
// Only clients and environment managers can access the high availability service.
if !authorizer.AuthClient() && !authorizer.AuthModelManager() {
return nil, common.ErrPerm
}
return &HighAvailabilityAPI{
state: st,
resources: resources,
authorizer: authorizer,
}, nil
}
// NewClient creates a new instance of the Client Facade.
func NewClient(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*Client, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &Client{api: &API{
state: st,
auth: authorizer,
resources: resources,
statusSetter: common.NewStatusSetter(st, common.AuthAlways()),
}}, nil
}
// newAPIWithBacking creates a new server-side Spaces API facade with
// the given Backing.
func newAPIWithBacking(backing networkingcommon.NetworkBacking, resources *common.Resources, authorizer common.Authorizer) (API, error) {
// Only clients can access the Spaces facade.
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &spacesAPI{
backing: backing,
resources: resources,
authorizer: authorizer,
}, nil
}
// NewImageManagerAPI creates a new server-side imagemanager API end point.
func NewImageManagerAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*ImageManagerAPI, error) {
// Only clients can access the image manager service.
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &ImageManagerAPI{
state: getState(st),
resources: resources,
authorizer: authorizer,
check: common.NewBlockChecker(st),
}, nil
}
// newPublicFacade is passed into common.RegisterStandardFacade
// in registerPublicFacade.
func (resources) newPublicFacade(st *corestate.State, _ *common.Resources, authorizer common.Authorizer) (*server.Facade, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
rst, err := st.Resources()
//rst, err := state.NewState(&resourceState{raw: st})
if err != nil {
return nil, errors.Trace(err)
}
return server.NewFacade(rst), nil
}
func newClientAllWatcher(st *state.State, resources *common.Resources, auth common.Authorizer, id string) (interface{}, error) {
if !auth.AuthClient() {
return nil, common.ErrPerm
}
watcher, ok := resources.Get(id).(*state.Multiwatcher)
if !ok {
return nil, common.ErrUnknownWatcher
}
return &srvClientAllWatcher{
watcher: watcher,
id: id,
resources: resources,
}, nil
}
// createAPI returns a new image metadata API facade.
func createAPI(
st metadataAcess,
resources *common.Resources,
authorizer common.Authorizer,
) (*API, error) {
if !authorizer.AuthClient() && !authorizer.AuthModelManager() {
return nil, common.ErrPerm
}
return &API{
metadata: st,
authorizer: authorizer,
}, nil
}
// NewAPI returns a new charm annotator API facade.
func NewAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*API, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &API{
access: getState(st),
authorizer: authorizer,
}, nil
}
func NewUserManagerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*UserManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &UserManagerAPI{
state: st,
authorizer: authorizer,
}, nil
}
func checkAuth(authorizer common.Authorizer, st *state.State) error {
if !authorizer.AuthClient() {
return errors.Trace(common.ErrPerm)
}
// Type assertion is fine because AuthClient is true.
apiUser := authorizer.GetAuthTag().(names.UserTag)
if isAdmin, err := st.IsControllerAdministrator(apiUser); err != nil {
return errors.Trace(err)
} else if !isAdmin {
// The entire facade is only accessible to controller administrators.
return errors.Trace(common.ErrPerm)
}
return nil
}
// NewAPI returns a new service API facade.
func NewAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*API, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &API{
state: st,
authorizer: authorizer,
check: common.NewBlockChecker(st),
}, nil
}
// NewClient creates a new instance of the Client Facade.
func NewClient(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*Client, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
urlGetter := common.NewToolsURLGetter(st.EnvironUUID(), st)
return &Client{
api: &API{
state: st,
auth: authorizer,
resources: resources,
statusSetter: common.NewStatusSetter(st, common.AuthAlways()),
toolsFinder: common.NewToolsFinder(st, st, urlGetter),
},
check: common.NewBlockChecker(st)}, nil
}
// NewEnvironmentManagerAPI creates a new api server endpoint for managing
// environments.
func NewEnvironmentManagerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*EnvironmentManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
urlGetter := common.NewToolsURLGetter(st.EnvironUUID(), st)
return &EnvironmentManagerAPI{
state: getState(st),
authorizer: authorizer,
toolsFinder: common.NewToolsFinder(st, st, urlGetter),
}, nil
}
// createAPI returns a new storage API facade.
func createAPI(
st storageAccess,
pm poolmanager.PoolManager,
resources *common.Resources,
authorizer common.Authorizer,
) (*API, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
return &API{
storage: st,
poolManager: pm,
authorizer: authorizer,
}, nil
}
// NewAPI creates a new instance of the Backups API facade.
func NewAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*API, error) {
if !authorizer.AuthClient() {
return nil, errors.Trace(common.ErrPerm)
}
stor, err := newBackupsStorage(st)
if err != nil {
return nil, errors.Trace(err)
}
b := API{
st: st,
backups: backups.NewBackups(stor),
}
return &b, nil
}
// NewClient creates a new instance of the Client Facade.
func NewClient(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*Client, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
apiState := getState(st)
urlGetter := common.NewToolsURLGetter(apiState.ModelUUID(), apiState)
client := &Client{
api: &API{
stateAccessor: apiState,
auth: authorizer,
resources: resources,
statusSetter: common.NewStatusSetter(st, common.AuthAlways()),
toolsFinder: common.NewToolsFinder(st, st, urlGetter),
},
check: common.NewBlockChecker(st)}
return client, nil
}
// NewMachineManagerAPI creates a new server-side MachineManager API facade.
func NewMachineManagerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*MachineManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
s := getState(st)
return &MachineManagerAPI{
st: s,
authorizer: authorizer,
check: common.NewBlockChecker(s),
}, nil
}
// NewClient creates a new instance of the Client Facade.
func NewClient(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*Client, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
env, err := st.Environment()
if err != nil {
return nil, err
}
urlGetter := common.NewToolsURLGetter(env.UUID(), st)
return &Client{api: &API{
state: st,
auth: authorizer,
resources: resources,
statusSetter: common.NewStatusSetter(st, common.AuthAlways()),
toolsFinder: common.NewToolsFinder(st, st, urlGetter),
}}, nil
}
// NewPublicFacade provides the public API facade for resources. It is
// passed into common.RegisterStandardFacade.
func NewPublicFacade(st *corestate.State, _ *common.Resources, authorizer common.Authorizer) (*server.Facade, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
rst, err := st.Resources()
if err != nil {
return nil, errors.Trace(err)
}
newClient := func() (server.CharmStore, error) {
return newCharmStoreClient(st)
}
facade, err := server.NewFacade(rst, newClient)
if err != nil {
return nil, errors.Trace(err)
}
return facade, nil
}
// NewPublicFacade provides the public API facade for resources. It is
// passed into common.RegisterStandardFacade.
func NewPublicFacade(st *corestate.State, _ *common.Resources, authorizer common.Authorizer) (*server.Facade, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
rst, err := st.Resources()
if err != nil {
return nil, errors.Trace(err)
}
newClient := func(cURL *charm.URL, csMac *macaroon.Macaroon) (server.CharmStore, error) {
opener := newCharmstoreOpener(cURL, csMac)
return opener.newClient(), nil
}
facade, err := server.NewFacade(rst, newClient)
if err != nil {
return nil, errors.Trace(err)
}
return facade, nil
}
// NewKeyManagerAPI creates a new server-side keyupdater API end point.
func NewKeyManagerAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*KeyManagerAPI, error) {
// Only clients and environment managers can access the key manager service.
if !authorizer.AuthClient() && !authorizer.AuthEnvironManager() {
return nil, common.ErrPerm
}
env, err := st.Environment()
if err != nil {
return nil, errors.Trace(err)
}
// For gccgo interface comparisons, we need a Tag.
owner := names.Tag(env.Owner())
// TODO(wallyworld) - replace stub with real canRead function
// For now, only admins can read authorised ssh keys.
canRead := func(user string) bool {
// Are we a machine agent operating as the system identity?
if user == config.JujuSystemKey {
_, ismachinetag := authorizer.GetAuthTag().(names.MachineTag)
return ismachinetag
}
return authorizer.GetAuthTag() == owner
}
// TODO(wallyworld) - replace stub with real canWrite function
// For now, only admins can write authorised ssh keys for users.
// Machine agents can write the juju-system-key.
canWrite := func(user string) bool {
// Are we a machine agent writing the Juju system key.
if user == config.JujuSystemKey {
_, ismachinetag := authorizer.GetAuthTag().(names.MachineTag)
return ismachinetag
}
// No point looking to see if the user exists as we are not
// yet storing keys on the user.
return authorizer.GetAuthTag() == owner
}
return &KeyManagerAPI{
state: st,
resources: resources,
authorizer: authorizer,
canRead: canRead,
canWrite: canWrite,
check: common.NewBlockChecker(st),
}, nil
}
// NewModelManagerAPI creates a new api server endpoint for managing
// models.
func NewModelManagerAPI(st Backend, authorizer common.Authorizer) (*ModelManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
// Since we know this is a user tag (because AuthClient is true),
// we just do the type assertion to the UserTag.
apiUser, _ := authorizer.GetAuthTag().(names.UserTag)
// Pretty much all of the user manager methods have special casing for admin
// users, so look once when we start and remember if the user is an admin.
isAdmin, err := st.IsControllerAdministrator(apiUser)
if err != nil {
return nil, errors.Trace(err)
}
urlGetter := common.NewToolsURLGetter(st.ModelUUID(), st)
return &ModelManagerAPI{
state: st,
authorizer: authorizer,
toolsFinder: common.NewToolsFinder(st, st, urlGetter),
apiUser: apiUser,
isAdmin: isAdmin,
}, nil
}
func NewUserManagerAPI(
st *state.State,
resources *common.Resources,
authorizer common.Authorizer,
) (*UserManagerAPI, error) {
if !authorizer.AuthClient() {
return nil, common.ErrPerm
}
// Since we know this is a user tag (because AuthClient is true),
// we just do the type assertion to the UserTag.
apiUser, _ := authorizer.GetAuthTag().(names.UserTag)
// Pretty much all of the user manager methods have special casing for admin
// users, so look once when we start and remember if the user is an admin.
isAdmin, err := st.IsControllerAdministrator(apiUser)
if err != nil {
return nil, errors.Trace(err)
}
resource, ok := resources.Get("createLocalLoginMacaroon").(common.ValueResource)
if !ok {
return nil, errors.NotFoundf("userAuth resource")
}
createLocalLoginMacaroon, ok := resource.Value.(func(names.UserTag) (*macaroon.Macaroon, error))
if !ok {
return nil, errors.NotValidf("userAuth resource")
}
return &UserManagerAPI{
state: st,
authorizer: authorizer,
createLocalLoginMacaroon: createLocalLoginMacaroon,
check: common.NewBlockChecker(st),
apiUser: apiUser,
isAdmin: isAdmin,
}, nil
}
// NewAPI creates a new instance of the Backups API facade.
func NewAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*API, error) {
if !authorizer.AuthClient() {
return nil, errors.Trace(common.ErrPerm)
}
// For now, backup operations are only permitted on the controller environment.
if !st.IsStateServer() {
return nil, errors.New("backups are not supported for hosted environments")
}
// Get the backup paths.
dataDir, err := extractResourceValue(resources, "dataDir")
if err != nil {
return nil, errors.Trace(err)
}
logsDir, err := extractResourceValue(resources, "logDir")
if err != nil {
return nil, errors.Trace(err)
}
paths := backups.Paths{
DataDir: dataDir,
LogsDir: logsDir,
}
// Build the API.
machineID, err := extractResourceValue(resources, "machineID")
if err != nil {
return nil, errors.Trace(err)
}
b := API{
st: st,
paths: &paths,
machineID: machineID,
}
return &b, nil
}
