github.com/Lephar/snapd@v0.0.0-20210825215435-c7fba9cef4d2/overlord/devicestate/helpers.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2019-2020 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package devicestate
    21  
    22  import (
    23  	"github.com/snapcore/snapd/asserts"
    24  	"github.com/snapcore/snapd/gadget"
    25  	"github.com/snapcore/snapd/overlord/auth"
    26  	"github.com/snapcore/snapd/overlord/devicestate/internal"
    27  	"github.com/snapcore/snapd/overlord/state"
    28  	"github.com/snapcore/snapd/snap"
    29  )
    30  
    31  func setDeviceFromModelAssertion(st *state.State, device *auth.DeviceState, model *asserts.Model) error {
    32  	device.Brand = model.BrandID()
    33  	device.Model = model.Model()
    34  	return internal.SetDevice(st, device)
    35  }
    36  
    37  func gadgetDataFromInfo(info *snap.Info, model *asserts.Model) (*gadget.GadgetData, error) {
    38  	// we do not perform consistency validation here because that
    39  	// has been done when the gadget was installed for
    40  	// current/already local revisions, or in the check-snap task
    41  	// for incoming gadgets.
    42  	gi, err := gadget.ReadInfo(info.MountDir(), model)
    43  	if err != nil {
    44  		return nil, err
    45  	}
    46  	return &gadget.GadgetData{Info: gi, RootDir: info.MountDir()}, nil
    47  }