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-rw-r--r--libpod/util.go58
1 files changed, 0 insertions, 58 deletions
diff --git a/libpod/util.go b/libpod/util.go
index 5b16b5755..13235059f 100644
--- a/libpod/util.go
+++ b/libpod/util.go
@@ -9,12 +9,10 @@ import (
"strings"
"time"
- "github.com/containerd/cgroups"
"github.com/containers/image/signature"
"github.com/containers/image/types"
spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
- "github.com/sirupsen/logrus"
)
// Runtime API constants
@@ -125,62 +123,6 @@ func WaitForFile(path string, timeout time.Duration) error {
}
}
-// systemdSliceFromPath makes a new systemd slice under the given parent with
-// the given name.
-// The parent must be a slice. The name must NOT include ".slice"
-func systemdSliceFromPath(parent, name string) (string, error) {
- cgroupPath, err := assembleSystemdCgroupName(parent, name)
- if err != nil {
- return "", err
- }
-
- logrus.Debugf("Created cgroup path %s for parent %s and name %s", cgroupPath, parent, name)
-
- if err := makeSystemdCgroup(cgroupPath); err != nil {
- return "", errors.Wrapf(err, "error creating cgroup %s", cgroupPath)
- }
-
- logrus.Debugf("Created cgroup %s", cgroupPath)
-
- return cgroupPath, nil
-}
-
-// makeSystemdCgroup creates a systemd CGroup at the given location.
-func makeSystemdCgroup(path string) error {
- controller, err := cgroups.NewSystemd(SystemdDefaultCgroupParent)
- if err != nil {
- return err
- }
-
- return controller.Create(path, &spec.LinuxResources{})
-}
-
-// deleteSystemdCgroup deletes the systemd cgroup at the given location
-func deleteSystemdCgroup(path string) error {
- controller, err := cgroups.NewSystemd(SystemdDefaultCgroupParent)
- if err != nil {
- return err
- }
-
- return controller.Delete(path)
-}
-
-// assembleSystemdCgroupName creates a systemd cgroup path given a base and
-// a new component to add.
-// The base MUST be systemd slice (end in .slice)
-func assembleSystemdCgroupName(baseSlice, newSlice string) (string, error) {
- const sliceSuffix = ".slice"
-
- if !strings.HasSuffix(baseSlice, sliceSuffix) {
- return "", errors.Wrapf(ErrInvalidArg, "cannot assemble cgroup path with base %q - must end in .slice", baseSlice)
- }
-
- noSlice := strings.TrimSuffix(baseSlice, sliceSuffix)
- final := fmt.Sprintf("%s/%s-%s%s", baseSlice, noSlice, newSlice, sliceSuffix)
-
- return final, nil
-}
-
type byDestination []spec.Mount
func (m byDestination) Len() int {