github.com/juju/juju@v0.0.0-20240430160146-1752b71fcf00/apiserver/facades/client/cloud/register.go (about)

     1  // Copyright 2022 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package cloud
     5  
     6  import (
     7  	"reflect"
     8  
     9  	"github.com/juju/errors"
    10  
    11  	"github.com/juju/juju/apiserver/facade"
    12  )
    13  
    14  // Register is called to expose a package of facades onto a given registry.
    15  func Register(registry facade.FacadeRegistry) {
    16  	registry.MustRegister("Cloud", 7, func(ctx facade.Context) (facade.Facade, error) {
    17  		return newFacadeV7(ctx) // Do not set error if forcing credential update.
    18  	}, reflect.TypeOf((*CloudAPI)(nil)))
    19  }
    20  
    21  // newFacadeV7 is used for API registration.
    22  func newFacadeV7(context facade.Context) (*CloudAPI, error) {
    23  	st := NewStateBackend(context.State())
    24  	pool := NewModelPoolBackend(context.StatePool())
    25  	systemState, err := pool.SystemState()
    26  	if err != nil {
    27  		return nil, errors.Trace(err)
    28  	}
    29  	ctlrSt := NewStateBackend(systemState)
    30  	return NewCloudAPI(st, ctlrSt, pool, context.Auth())
    31  }