diff options
Diffstat (limited to 'libpod/container.go')
| -rw-r--r-- | libpod/container.go | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/libpod/container.go b/libpod/container.go index 9b4ccbd5f..01419500e 100644 --- a/libpod/container.go +++ b/libpod/container.go @@ -888,9 +888,22 @@ func (c *Container) NamespacePath(linuxNS LinuxNS) (string, error) { //nolint:in return fmt.Sprintf("/proc/%d/ns/%s", c.state.PID, linuxNS.String()), nil } +// CgroupManager returns the cgroup manager used by the given container. +func (c *Container) CgroupManager() string { + cgroupManager := c.config.CgroupManager + if cgroupManager == "" { + cgroupManager = c.runtime.config.Engine.CgroupManager + } + return cgroupManager +} + // CGroupPath returns a cgroups "path" for a given container. func (c *Container) CGroupPath() (string, error) { + cgroupManager := c.CgroupManager() + switch { + case c.config.NoCgroups || c.config.CgroupsMode == "disabled": + return "", errors.Wrapf(define.ErrNoCgroups, "this container is not creating cgroups") case c.config.CgroupsMode == cgroupSplit: if c.config.CgroupParent != "" { return "", errors.Errorf("cannot specify cgroup-parent with cgroup-mode %q", cgroupSplit) @@ -906,9 +919,9 @@ func (c *Container) CGroupPath() (string, error) { return "", errors.Errorf("invalid cgroup for conmon %q", cg) } return strings.TrimSuffix(cg, "/supervisor") + "/container", nil - case c.runtime.config.Engine.CgroupManager == config.CgroupfsCgroupsManager: + case cgroupManager == config.CgroupfsCgroupsManager: return filepath.Join(c.config.CgroupParent, fmt.Sprintf("libpod-%s", c.ID())), nil - case c.runtime.config.Engine.CgroupManager == config.SystemdCgroupsManager: + case cgroupManager == config.SystemdCgroupsManager: if rootless.IsRootless() { uid := rootless.GetRootlessUID() parts := strings.SplitN(c.config.CgroupParent, "/", 2) @@ -922,7 +935,7 @@ func (c *Container) CGroupPath() (string, error) { } return filepath.Join(c.config.CgroupParent, createUnitName("libpod", c.ID())), nil default: - return "", errors.Wrapf(define.ErrInvalidArg, "unsupported CGroup manager %s in use", c.runtime.config.Engine.CgroupManager) + return "", errors.Wrapf(define.ErrInvalidArg, "unsupported CGroup manager %s in use", cgroupManager) } } |