Ejemplo n.º 1
0
func shutdownInitCommands(initSystem, series string) ([]string, error) {
	shutdownCmd := "/sbin/shutdown -h now"
	name := "juju-template-restart"
	desc := "juju shutdown job"

	execStart := shutdownCmd

	conf := common.Conf{
		Desc:         desc,
		Transient:    true,
		AfterStopped: "cloud-final",
		ExecStart:    execStart,
	}
	// systemd uses targets for synchronization of services
	if initSystem == service.InitSystemSystemd {
		conf.AfterStopped = "cloud-config.target"
	}

	svc, err := service.NewService(name, conf, series)
	if err != nil {
		return nil, errors.Trace(err)
	}

	cmds, err := svc.InstallCommands()
	if err != nil {
		return nil, errors.Trace(err)
	}

	startCommands, err := svc.StartCommands()
	if err != nil {
		return nil, errors.Trace(err)
	}
	cmds = append(cmds, startCommands...)

	return cmds, nil
}
Ejemplo n.º 2
0
func shutdownInitCommands(initSystem, series string) ([]string, error) {
	// These files are removed just before the template shuts down.
	cleanupOnShutdown := []string{
		// We remove any dhclient lease files so there's no chance a
		// clone to reuse a lease from the template it was cloned
		// from.
		"/var/lib/dhcp/dhclient*",
		// Both of these sets of files below are recreated on boot and
		// if we leave them in the template's rootfs boot logs coming
		// from cloned containers will be appended. It's better to
		// keep clean logs for diagnosing issues / debugging.
		"/var/log/cloud-init*.log",
	}

	// Using EOC below as the template shutdown script is itself
	// passed through cat > ... < EOF.
	replaceNetConfCmd := fmt.Sprintf(
		"/bin/cat > /etc/network/interfaces << EOC%sEOC\n  ",
		defaultEtcNetworkInterfaces,
	)
	paths := strings.Join(cleanupOnShutdown, " ")
	removeCmd := fmt.Sprintf("/bin/rm -fr %s\n  ", paths)
	shutdownCmd := "/sbin/shutdown -h now"
	name := "juju-template-restart"
	desc := "juju shutdown job"

	execStart := shutdownCmd
	if environs.AddressAllocationEnabled() {
		// Only do the cleanup and replacement of /e/n/i when address
		// allocation feature flag is enabled.
		execStart = replaceNetConfCmd + removeCmd + shutdownCmd
	}

	conf := common.Conf{
		Desc:         desc,
		Transient:    true,
		AfterStopped: "cloud-final",
		ExecStart:    execStart,
	}
	// systemd uses targets for synchronization of services
	if initSystem == service.InitSystemSystemd {
		conf.AfterStopped = "cloud-config.target"
	}

	svc, err := service.NewService(name, conf, series)
	if err != nil {
		return nil, errors.Trace(err)
	}

	cmds, err := svc.InstallCommands()
	if err != nil {
		return nil, errors.Trace(err)
	}

	startCommands, err := svc.StartCommands()
	if err != nil {
		return nil, errors.Trace(err)
	}
	cmds = append(cmds, startCommands...)

	return cmds, nil
}