podman/utils/utils_supported.go
Valentin Rothberg 450361fc64 update systemd & dbus dependencies
Update the outdated systemd and dbus dependencies which are now provided
as go modules.  This will further tighten our dependencies and releases
and pave the way for the upcoming auto-update feature.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
2020-03-10 18:34:55 +01:00

52 lines
1.3 KiB
Go

// +build linux darwin
package utils
import (
"github.com/containers/libpod/pkg/cgroups"
"github.com/containers/libpod/pkg/rootless"
systemdDbus "github.com/coreos/go-systemd/v22/dbus"
"github.com/godbus/dbus/v5"
)
// RunUnderSystemdScope adds the specified pid to a systemd scope
func RunUnderSystemdScope(pid int, slice string, unitName string) error {
var properties []systemdDbus.Property
var conn *systemdDbus.Conn
var err error
if rootless.IsRootless() {
conn, err = cgroups.GetUserConnection(rootless.GetRootlessUID())
if err != nil {
return err
}
} else {
conn, err = systemdDbus.New()
if err != nil {
return err
}
}
properties = append(properties, systemdDbus.PropSlice(slice))
properties = append(properties, newProp("PIDs", []uint32{uint32(pid)}))
properties = append(properties, newProp("Delegate", true))
properties = append(properties, newProp("DefaultDependencies", false))
ch := make(chan string)
_, err = conn.StartTransientUnit(unitName, "replace", properties, ch)
if err != nil {
return err
}
defer conn.Close()
// Block until job is started
<-ch
return nil
}
func newProp(name string, units interface{}) systemdDbus.Property {
return systemdDbus.Property{
Name: name,
Value: dbus.MakeVariant(units),
}
}