/
register.go
71 lines (60 loc) · 2 KB
/
register.go
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// Copyright 2022 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package caasfirewaller
import (
"reflect"
"github.com/juju/errors"
charmscommon "github.com/juju/juju/apiserver/common/charms"
"github.com/juju/juju/apiserver/facade"
)
// Register is called to expose a package of facades onto a given registry.
func Register(registry facade.FacadeRegistry) {
registry.MustRegister("CAASFirewaller", 1, func(ctx facade.Context) (facade.Facade, error) {
return newStateFacadeLegacy(ctx)
}, reflect.TypeOf((*Facade)(nil)))
registry.MustRegister("CAASFirewallerSidecar", 1, func(ctx facade.Context) (facade.Facade, error) {
return newStateFacadeSidecar(ctx)
}, reflect.TypeOf((*FacadeSidecar)(nil)))
}
// newStateFacadeLegacy provides the signature required for facade registration.
func newStateFacadeLegacy(ctx facade.Context) (*Facade, error) {
authorizer := ctx.Auth()
resources := ctx.Resources()
commonState := &charmscommon.StateShim{ctx.State()}
charmInfoAPI, err := charmscommon.NewCharmInfoAPI(commonState, authorizer)
if err != nil {
return nil, errors.Trace(err)
}
appCharmInfoAPI, err := charmscommon.NewApplicationCharmInfoAPI(commonState, authorizer)
if err != nil {
return nil, errors.Trace(err)
}
return newFacadeLegacy(
resources,
authorizer,
&stateShim{ctx.State()},
charmInfoAPI,
appCharmInfoAPI,
)
}
// newStateFacadeSidecar provides the signature required for facade registration.
func newStateFacadeSidecar(ctx facade.Context) (*FacadeSidecar, error) {
authorizer := ctx.Auth()
resources := ctx.Resources()
commonState := &charmscommon.StateShim{ctx.State()}
commonCharmsAPI, err := charmscommon.NewCharmInfoAPI(commonState, authorizer)
if err != nil {
return nil, errors.Trace(err)
}
appCharmInfoAPI, err := charmscommon.NewApplicationCharmInfoAPI(commonState, authorizer)
if err != nil {
return nil, errors.Trace(err)
}
return newFacadeSidecar(
resources,
authorizer,
&stateShim{ctx.State()},
commonCharmsAPI,
appCharmInfoAPI,
)
}