[libvirt] [PATCH 10/17] virsh: make lxc-enter-namespace also join the cgroups

[Daniel P. Berrange]

Extend the lxc-enter-namespace command so that it joins the
containers' cgroups before starting new namespaces. This
ensures that the commands run have the normal resource
limits applied

Signed-off-by: Daniel P. Berrange <berrange at redhat.com>
---
 tools/virsh-domain.c | 3 +++
 tools/virsh.pod      | 7 ++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index 6d4265c..716db84 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -9328,6 +9328,9 @@ cmdLxcEnterNamespace(vshControl *ctl, const vshCmd *cmd)
                                            0) < 0)
             _exit(EXIT_CANCELED);
 
+        if (virDomainLxcEnterCGroup(dom, 0) < 0)
+            _exit(EXIT_CANCELED);
+
         if (virDomainLxcEnterNamespace(dom,
                                        nfdlist,
                                        fdlist,
diff --git a/tools/virsh.pod b/tools/virsh.pod
index d2cc5b2..a38b33f 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -4175,9 +4175,10 @@ omitted.
 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.  This command succeeds only
-if C</path/to/binary> has 0 exit status.
+environment variables / console visible to virsh. The command will be run
+with the same sVirt context and cgroups placement as processes within the
+container. This command only works when connected to the LXC hypervisor
+driver.  This command succeeds only if C</path/to/binary> has 0 exit status.
 
 =back
 
-- 
2.5.5