On 01/15/2013 11:17 AM, Daniel P. Berrange wrote:
From: "Daniel P. Berrange" <berrange@redhat.com>
Add a 'lxc-enter-namespace' command which accepts a domain name and then a command + args to run, attached to the container
eg
virsh -c lxc:/// lxc-enter-namespace demo -- /bin/ps -auxf
Signed-off-by: Daniel P. Berrange <berrange@redhat.com> --- tools/Makefile.am | 1 + tools/virsh-domain.c | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++ tools/virsh.pod | 8 +++++ 3 files changed, 103 insertions(+)
/* + * "lxc-enter-namespace" namespace + */ +static const vshCmdInfo info_lxc_enter_namespace[] = { + {"help", N_("LXC Guest Enter Namespace")}, + {"desc", N_("Run an arbitrary lxc guest enter namespace; use at your own risk")}, + {NULL, NULL} +}; + +static const vshCmdOptDef opts_lxc_enter_namespace[] = { + {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")}, + {NULL, 0, 0, NULL}
You deleted too much - here, you still need a VSH_OT_ARGV argument for the parser to not reject remaining arguments of the command line. + {"cmd", VSH_OT_ARGV, VSH_OFLAG_REQ, N_("namespace")},
+++ b/tools/virsh.pod @@ -3056,6 +3056,14 @@ When I<--aysnc> is given, the command waits for timeout whether success or failed. And when I<--block> is given, the command waits forever with blocking timeout.
+=item B<lxc-enter-namespace> I<domain> -- /path/to/binary [arg1, [arg2, ...]] + +Enter the namespace of I<domain> and execute the command C</path/to/binary> +passing the requested args. The binary path is relative to the container +root filesystem, not the host root filesystem. The binary will inherit the +environment variables / console visible to virsh. This command only works +when connected to the LXC hypervisor driver. +
ACK with that line re-added. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org