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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2018 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 (
"encoding/json"
"errors"
"fmt"
"time"
"github.com/snapcore/snapd/overlord/state"
"github.com/snapcore/snapd/snap"
)
type patch62SideInfo struct {
RealName string `yaml:"name,omitempty" json:"name,omitempty"`
SnapID string `yaml:"snap-id" json:"snap-id"`
Revision snap.Revision `yaml:"revision" json:"revision"`
Channel string `yaml:"channel,omitempty" json:"channel,omitempty"`
Contact string `yaml:"contact,omitempty" json:"contact,omitempty"`
EditedTitle string `yaml:"title,omitempty" json:"title,omitempty"`
EditedSummary string `yaml:"summary,omitempty" json:"summary,omitempty"`
EditedDescription string `yaml:"description,omitempty" json:"description,omitempty"`
Private bool `yaml:"private,omitempty" json:"private,omitempty"`
Paid bool `yaml:"paid,omitempty" json:"paid,omitempty"`
}
type patch62Flags struct {
DevMode bool `json:"devmode,omitempty"`
JailMode bool `json:"jailmode,omitempty"`
Classic bool `json:"classic,omitempty"`
TryMode bool `json:"trymode,omitempty"`
Revert bool `json:"revert,omitempty"`
RemoveSnapPath bool `json:"remove-snap-path,omitempty"`
IgnoreValidation bool `json:"ignore-validation,omitempty"`
Required bool `json:"required,omitempty"`
SkipConfigure bool `json:"skip-configure,omitempty"`
Unaliased bool `json:"unaliased,omitempty"`
Amend bool `json:"amend,omitempty"`
IsAutoRefresh bool `json:"is-auto-refresh,omitempty"`
NoReRefresh bool `json:"no-rerefresh,omitempty"`
RequireTypeBase bool `json:"require-base-type,omitempty"`
}
type patch62SnapState struct {
SnapType string `json:"type"`
Sequence []*patch62SideInfo `json:"sequence"`
Active bool `json:"active,omitempty"`
Current snap.Revision `json:"current"`
Channel string `json:"channel,omitempty"`
patch62Flags
Aliases any `json:"aliases,omitempty"`
AutoAliasesDisabled bool `json:"auto-aliases-disabled,omitempty"`
AliasesPending bool `json:"aliases-pending,omitempty"`
UserID int `json:"user-id,omitempty"`
InstanceKey string `json:"instance-key,omitempty"`
CohortKey string `json:"cohort-key,omitempty"`
RefreshInhibitedTime *time.Time `json:"refresh-inhibited-time,omitempty"`
}
type patch62SnapSetup struct {
Channel string `json:"channel,omitempty"`
UserID int `json:"user-id,omitempty"`
Base string `json:"base,omitempty"`
Type snap.Type `json:"type,omitempty"`
PlugsOnly bool `json:"plugs-only,omitempty"`
CohortKey string `json:"cohort-key,omitempty"`
Prereq []string `json:"prereq,omitempty"`
patch62Flags
SnapPath string `json:"snap-path,omitempty"`
DownloadInfo any `json:"download-info,omitempty"`
SideInfo *patch62SideInfo `json:"side-info,omitempty"`
patch62auxStoreInfo
InstanceKey string `json:"instance-key,omitempty"`
}
type patch62auxStoreInfo struct {
Media any `json:"media,omitempty"`
}
func hasSnapdSnapID(snapst patch62SnapState) bool {
for _, seq := range snapst.Sequence {
if snap.IsSnapd(seq.SnapID) {
return true
}
}
return false
}
// patch6_2:
// - ensure snapd snaps in the snapstate have TypeSnapd for backward compatibility with old snapd snap releases.
// - ensure snapd snaps have TypeSnapd in pending install tasks.
func patch6_2(st *state.State) error {
var snaps map[string]*json.RawMessage
if err := st.Get("snaps", &snaps); err != nil && !errors.Is(err, state.ErrNoState) {
return fmt.Errorf("internal error: cannot get snaps: %s", err)
}
var hasSnapdSnap bool
// check if we have snapd snap with TypeSnapd already in state, in such case
// we shouldn't try to migrate any other snaps because we can have at most
// one snapd snap.
for _, raw := range snaps {
var snapst patch62SnapState
if err := json.Unmarshal([]byte(*raw), &snapst); err != nil {
return err
}
if hasSnapdSnapID(snapst) && snapst.SnapType == string(snap.TypeSnapd) {
hasSnapdSnap = true
break
}
}
// Migrate snapstate unless we have a snapd snap with TypeSnapd already set.
if !hasSnapdSnap {
for name, raw := range snaps {
var snapst patch62SnapState
if err := json.Unmarshal([]byte(*raw), &snapst); err != nil {
return err
}
if hasSnapdSnapID(snapst) {
snapst.SnapType = string(snap.TypeSnapd)
data, err := json.Marshal(snapst)
if err != nil {
return err
}
newRaw := json.RawMessage(data)
snaps[name] = &newRaw
st.Set("snaps", snaps)
// We can have at most one snapd snap
break
}
}
}
// migrate tasks' snap setup
for _, task := range st.Tasks() {
chg := task.Change()
if chg != nil && chg.Status().Ready() {
continue
}
var snapsup patch62SnapSetup
err := task.Get("snap-setup", &snapsup)
if err != nil && !errors.Is(err, state.ErrNoState) {
return fmt.Errorf("internal error: cannot get snap-setup of task %s: %s", task.ID(), err)
}
if err == nil && snapsup.SideInfo != nil {
if snapsup.Type != snap.TypeSnapd && snap.IsSnapd(snapsup.SideInfo.SnapID) {
snapsup.Type = snap.TypeSnapd
task.Set("snap-setup", snapsup)
}
}
}
return nil
}
|
