diff options
Diffstat (limited to 'resources/libraries/python/ContainerUtils.py')
| -rw-r--r-- | resources/libraries/python/ContainerUtils.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/resources/libraries/python/ContainerUtils.py b/resources/libraries/python/ContainerUtils.py index b56fb0dc24..ed058b7597 100644 --- a/resources/libraries/python/ContainerUtils.py +++ b/resources/libraries/python/ContainerUtils.py @@ -357,11 +357,28 @@ class ContainerEngine(object): def _configure_cgroup(self, name): """Configure the control group associated with a container. + By default the cpuset cgroup is using exclusive CPU/MEM. When Docker + container is initialized a new cgroup /docker or /lxc is created under + cpuset parent tree. This newly created cgroup is inheriting parent + setting for cpu/mem exclusive parameter and thus cannot be overriden + within /docker or /lxc cgroup. This patch is supposed to set cpu/mem + exclusive parameter for both parent and subgroup. + :param name: Name of cgroup. :type name: str :raises RuntimeError: If applying cgroup settings via cgset failed. """ ret, _, _ = self.container.ssh.exec_command_sudo( + 'cgset -r cpuset.cpu_exclusive=0 /') + if int(ret) != 0: + raise RuntimeError('Failed to apply cgroup settings.') + + ret, _, _ = self.container.ssh.exec_command_sudo( + 'cgset -r cpuset.mem_exclusive=0 /') + if int(ret) != 0: + raise RuntimeError('Failed to apply cgroup settings.') + + ret, _, _ = self.container.ssh.exec_command_sudo( 'cgcreate -g cpuset:/{name}'.format(name=name)) if int(ret) != 0: raise RuntimeError('Failed to copy cgroup settings from root.') |