forked from snapcore/snapd
/
patch3.go
61 lines (50 loc) · 1.63 KB
/
patch3.go
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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/i18n"
"github.com/snapcore/snapd/overlord/state"
)
func init() {
patches[3] = []PatchFunc{patch3}
}
// patch3:
// - migrates pending tasks and add {start,stop}-snap-services tasks
func patch3(s *state.State) error {
// migrate all pending tasks and insert "{start,stop}-snap-server"
for _, t := range s.Tasks() {
if t.Status().Ready() {
continue
}
if t.Kind() == "link-snap" {
startSnapServices := s.NewTask("start-snap-services", i18n.G("Start snap services"))
startSnapServices.Set("snap-setup-task", t.ID())
startSnapServices.WaitFor(t)
chg := t.Change()
chg.AddTask(startSnapServices)
}
if t.Kind() == "unlink-snap" || t.Kind() == "unlink-current-snap" {
stopSnapServices := s.NewTask("stop-snap-services", i18n.G("Stop snap services"))
stopSnapServices.Set("snap-setup-task", t.ID())
t.WaitFor(stopSnapServices)
chg := t.Change()
chg.AddTask(stopSnapServices)
}
}
return nil
}