commit 770690eda1c4578dcca5c5cdfed6688e7e084b24
author Steve Kowalik <steven@wedontsleep.org> Mon Sep 10 16:17:54 2018 -0600
committer Steve Kowalik <steven@wedontsleep.org> Mon Sep 10 16:20:27 2018 -0600
tree 08cd960513255b3c3ace19b13766b40aaa8799ac
parent 53db72c6c64229db62649fc31965e024fbfec365

Remove cgroup natty or less block

Given that Natty and other releases that don't use cgroups have been out
of support in Ubuntu for years now, it's high time we removed the
special case code block that sets up the cgroup mount.

Change-Id: I5403a4b1b64a95236b4dfcb66c35c594a3460cca

lib/nova

diff --git a/lib/nova b/lib/nova
index 5e157c5..8609956 100644
--- a/lib/nova
+++ b/lib/nova
@@ -303,17 +303,6 @@
             # to simulate multiple systems.
             if [[ "$LIBVIRT_TYPE" == "lxc" ]]; then
                 if is_ubuntu; then
-                    if [[ ! "$DISTRO" > natty ]]; then
-                        local cgline="none /cgroup cgroup cpuacct,memory,devices,cpu,freezer,blkio 0 0"
-                        sudo mkdir -p /cgroup
-                        if ! grep -q cgroup /etc/fstab; then
-                            echo "$cgline" | sudo tee -a /etc/fstab
-                        fi
-                        if ! mount -n | grep -q cgroup; then
-                            sudo mount /cgroup
-                        fi
-                    fi
-
                     # enable nbd for lxc unless you're using an lvm backend
                     # otherwise you can't boot instances
                     if [[ "$NOVA_BACKEND" != "LVM" ]]; then