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