func (nc *nspawnCluster) systemd(unitName, exec string) error {
conn, err := dbus.New()
if err != nil {
return err
}
props := []dbus.Property{
dbus.PropExecStart(strings.Split(exec, " "), false),
}
log.Printf("Creating transient systemd unit %s", unitName)
res1 := make(chan string)
if _, err = conn.StartTransientUnit(unitName, "replace", props, res1); err != nil {
log.Printf("Failed creating transient unit %s: %v", unitName, err)
return err
}
<-res1
res2 := make(chan string)
_, err = conn.StartUnit(unitName, "replace", res2)
if err != nil {
log.Printf("Failed starting transient unit %s: %v", unitName, err)
return err
}
<-res2
return nil
}
func NewSystemdUnitManager(uDir string, userInstance bool) (*systemdUnitManager, error) {
var systemd *dbus.Conn
var err error
if userInstance {
systemd, err = dbus.NewUserConnection()
} else {
systemd, err = dbus.New()
}
if err != nil {
return nil, err
}
if err := os.MkdirAll(uDir, os.FileMode(0755)); err != nil {
return nil, err
}
hashes, err := hashUnitFiles(uDir)
if err != nil {
return nil, err
}
mgr := systemdUnitManager{
systemd: systemd,
unitsDir: uDir,
hashes: hashes,
mutex: sync.RWMutex{},
}
return &mgr, nil
}
func (nc *nspawnCluster) systemdReload() error {
conn, err := dbus.New()
if err != nil {
return err
}
conn.Reload()
return nil
}
func NewSystemdUnitManager(uDir string) (*SystemdUnitManager, error) {
systemd, err := dbus.New()
if err != nil {
return nil, err
}
if err := os.MkdirAll(uDir, os.FileMode(0755)); err != nil {
return nil, err
}
mgr := SystemdUnitManager{systemd, uDir, systemd.NewSubscriptionSet()}
return &mgr, nil
}
func NewSystemdUnitManager(uDir string) (*systemdUnitManager, error) {
systemd, err := dbus.New()
if err != nil {
return nil, err
}
if err := os.MkdirAll(uDir, os.FileMode(0755)); err != nil {
return nil, err
}
mgr := systemdUnitManager{
systemd: systemd,
UnitsDir: uDir,
hashes: make(map[string]unit.Hash),
mutex: sync.RWMutex{},
}
return &mgr, nil
}