freebsd stable - Oct 2010 - Name and JID support in /etc/rc.d/jail and jail(8) documentation

Hi All,

Created a small patch for 8.1 to add name support to /etc/rc.d/jail.
This doesn't upgrade /etc/rc.d/jail to the overhauled invocation of
8.0 but merely adds the ability to set a jail's name on start which
was added in FreeBSD 7.2 (May 2009).

Could this patch be considered to be applied to stable?

# diff -ruN /etc/rc.d/jail-8.1 /etc/rc.d/jail
--- /etc/rc.d/jail-8.1  2010-07-21 07:19:46.000000000 +0200
+++ /etc/rc.d/jail      2010-10-24 10:55:14.000000000 +0200
@@ -38,6 +38,7 @@
        _fdescdir="${_devdir}/fd"
        _procdir="${_rootdir}/proc"
        eval _hostname=\"\$jail_${_j}_hostname\"
+       eval _name=\"\$jail_${_j}_name\"
        eval _ip=\"\$jail_${_j}_ip\"
        eval
_interface=\"\${jail_${_j}_interface:-${jail_interface}}\"
        eval _exec=\"\$jail_${_j}_exec\"
@@ -122,6 +123,7 @@
        debug "$_j procfs enable: $_procfs"
        debug "$_j mount enable: $_mount"
        debug "$_j hostname: $_hostname"
+       debug "$_j name: $_name"
        debug "$_j ip: $_ip"
        jail_show_addresses ${_j}
        debug "$_j interface: $_interface"
@@ -635,6 +637,10 @@
                        i=$((i + 1))
                done

+               if [ -n "${_name}" ] ; then
+                       _flags="${_flags} -n ${_name}"
+               fi
+
                eval ${_setfib} jail ${_flags} -i ${_rootdir} ${_hostname} \
                        \"${_addrl}\" ${_exec_start} > ${_tmp_jail}
2>&1

Kind regards,

Spil.


On Sun, Oct 24, 2010 at 10:52 AM, Spil Oss <spil.oss@gmail.com>
wrote:
> Hi All,
>
> When starting a jail you can, as of 8.0 if I'm not mistaken, set the
> JID and name for a jail. This change doesn't seem to have been
> incorporated into the /etc/rc.d/jail script? Looking at
> http://wiki.polymorf.fr/index.php/Howto:FreeBSD_jail_vnet it wouldn't
> be a huge change to add name support. The other additions in that
> script look a lot more intrusive. Are there any plans to merge this
> patch into the jail rc-script or is this "v2" style of jail
invocation
> still considered to be experimental? As of 8.1 is seems to no longer
> be considered experimental looking at the release notes.
>
> The jail(8) documentation (mine lists FreeBSD 8.1 January 17, 2010)
> seems to be missing documentation on the vnet command (due to the
> experimental status)?
>
> Kind regards,
>
> Spil.
>

Hi All,

When starting a jail you can, as of 8.0 if I'm not mistaken, set the
JID and name for a jail. This change doesn't seem to have been
incorporated into the /etc/rc.d/jail script? Looking at
http://wiki.polymorf.fr/index.php/Howto:FreeBSD_jail_vnet it wouldn't
be a huge change to add name support. The other additions in that
script look a lot more intrusive. Are there any plans to merge this
patch into the jail rc-script or is this "v2" style of jail invocation
still considered to be experimental? As of 8.1 is seems to no longer
be considered experimental looking at the release notes.

The jail(8) documentation (mine lists FreeBSD 8.1 January 17, 2010)
seems to be missing documentation on the vnet command (due to the
experimental status)?

Kind regards,

Spil.