X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FContainerUtils.py;h=ed058b75975d579c80f715138d554b101ee4e58c;hp=b56fb0dc24db6c67ccb156dc1ee29a0c9eaf0e6b;hb=dbb2fccef88f1633ee5278ca373418ab1883a5a4;hpb=3b5e5e14a10c3cac63a526b5d9ac495822fd663f 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 @@ -357,10 +357,27 @@ 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: