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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package patch
import (
"github.com/snapcore/snapd/logger"
"github.com/snapcore/snapd/overlord/snapstate"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/timings"
"github.com/snapcore/snapd/wrappers"
)
func init() {
patches[5] = []PatchFunc{patch5}
}
type log struct{}
func (log) Notify(status string) {
logger.Noticef("patch 5: %s", status)
}
// patch5:
// - regenerate generated .service files
func patch5(st *state.State) error {
log := log{}
snapStates, err := snapstate.All(st)
if err != nil {
return err
}
// create timings to satisfy StartServices/StopServices API, but don't save them
tm := timings.New(nil)
for snapName, snapst := range snapStates {
if !snapst.Active {
continue
}
info, err := snapst.CurrentInfo()
if err != nil {
return err
}
svcs := info.Services()
if len(svcs) == 0 {
logger.Debugf("patch 5: skipping for %q: no services", snapName)
continue
}
err = wrappers.StopServices(svcs, nil, snap.StopReasonRefresh, log, tm)
if err != nil {
return err
}
err = wrappers.EnsureSnapServices(map[*snap.Info]*wrappers.SnapServiceOptions{
info: nil,
}, nil, nil, log)
if err != nil {
return err
}
err = wrappers.StartServices(svcs, nil, nil, log, tm)
if err != nil {
return err
}
logger.Noticef("patch 5: %q updated", snapName)
}
return nil
}
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