virt-login-shell: add ability to join the container cgroups

Prior to joining the namespaces of the container, move the
process into the containers' cgroups, so that the shell that
is subsequently launched is under the container resource
constraints.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

diff --git a/tools/virt-login-shell.c b/tools/virt-login-shell.c
index dc3d3e371b15394765e5223676bf0a30234a604d..38fcb9e38fc66d430cfa5560a245def3c76db05d 100644 (file)
--- a/tools/virt-login-shell.c
+++ b/tools/virt-login-shell.c
@@ -355,6 +355,8 @@ main(int argc, char **argv)
         goto cleanup;
     if (virDomainLxcEnterSecurityLabel(secmodel, seclabel, NULL, 0) < 0)
         goto cleanup;
+    if (virDomainLxcEnterCGroup(dom, 0) < 0)
+        goto cleanup;
     if (nfdlist > 0 &&
         virDomainLxcEnterNamespace(dom, nfdlist, fdlist, NULL, NULL, 0) < 0)
         goto cleanup;