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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2021 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 systemdtest
import (
"fmt"
"github.com/snapcore/snapd/osutil"
"github.com/snapcore/snapd/strutil"
)
type ServiceState struct {
ActiveState string
UnitFileState string
}
// HandleMockAllUnitsActiveOutput returns the output for systemctl in the case
// where units have the state as described by states.
// If `cmd` is the command issued by systemd.Status(), this function returns
// the output to be produced by the command so that the queried services will
// appear having the ActiveState and UnitFileState according to the data
// passed in the `states` map.
func HandleMockAllUnitsActiveOutput(cmd []string, states map[string]ServiceState) []byte {
osutil.MustBeTestBinary("mocking systemctl output can only be done from tests")
if cmd[0] != "show" ||
!strutil.ListContains([]string{
// extended properties for services and mounts
"--property=Id,ActiveState,UnitFileState,Type,Names,NeedDaemonReload",
// base properties for everything else
"--property=Id,ActiveState,UnitFileState,Names",
}, cmd[1]) {
return nil
}
var output []byte
for _, unit := range cmd[2:] {
if len(output) > 0 {
output = append(output, byte('\n'))
}
state, ok := states[unit]
if !ok {
state = ServiceState{"active", "enabled"}
}
output = append(output, []byte(fmt.Sprintf(`Id=%s
Names=%s
ActiveState=%s
UnitFileState=%s
Type=simple
NeedDaemonReload=no
`, unit, unit, state.ActiveState, state.UnitFileState))...)
}
return output
}
type MountUnitInfo struct {
Description string
Where string
FragmentPath string
}
// HandleMockListMountUnitsOutput returns the output for systemctl in the case
// where units have the state as described by states.
// If `cmd` is the command issued by systemd.Status(), this function returns
// the output to be produced by the command so that the queried services will
// appear having the ActiveState and UnitFileState according to the data
// passed in the `states` map.
func HandleMockListMountUnitsOutput(cmd []string, mounts []MountUnitInfo) ([]byte, bool) {
osutil.MustBeTestBinary("mocking systemctl output can only be done from tests")
if cmd[0] != "show" ||
cmd[1] != "--property=Description,Where,FragmentPath" {
return nil, false
}
var output []byte
for _, mountInfo := range mounts {
if len(output) > 0 {
output = append(output, byte('\n'))
}
output = append(output, []byte(fmt.Sprintf(`Description=%s
Where=%s
FragmentPath=%s
`, mountInfo.Description, mountInfo.Where, mountInfo.FragmentPath))...)
}
return output, true
}
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