1 files changed, 0 insertions, 160 deletions
diff --git a/vendor/github.com/containerd/cgroups/systemd.go b/vendor/github.com/containerd/cgroups/systemd.go
deleted file mode 100644
index c5d4e3081..000000000
--- a/vendor/github.com/containerd/cgroups/systemd.go
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
-   Copyright The containerd Authors.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package cgroups
-
-import (
-	"fmt"
-	"path/filepath"
-	"strings"
-	"sync"
-
-	systemdDbus "github.com/coreos/go-systemd/dbus"
-	"github.com/godbus/dbus"
-	specs "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-const (
-	SystemdDbus  Name = "systemd"
-	defaultSlice      = "system.slice"
-)
-
-var (
-	canDelegate bool
-	once        sync.Once
-)
-
-func Systemd() ([]Subsystem, error) {
-	root, err := v1MountPoint()
-	if err != nil {
-		return nil, err
-	}
-	defaultSubsystems, err := defaults(root)
-	if err != nil {
-		return nil, err
-	}
-	s, err := NewSystemd(root)
-	if err != nil {
-		return nil, err
-	}
-	// make sure the systemd controller is added first
-	return append([]Subsystem{s}, defaultSubsystems...), nil
-}
-
-func Slice(slice, name string) Path {
-	if slice == "" {
-		slice = defaultSlice
-	}
-	return func(subsystem Name) (string, error) {
-		return filepath.Join(slice, name), nil
-	}
-}
-
-func NewSystemd(root string) (*SystemdController, error) {
-	return &SystemdController{
-		root: root,
-	}, nil
-}
-
-type SystemdController struct {
-	mu   sync.Mutex
-	root string
-}
-
-func (s *SystemdController) Name() Name {
-	return SystemdDbus
-}
-
-func (s *SystemdController) Create(path string, resources *specs.LinuxResources) error {
-	conn, err := systemdDbus.New()
-	if err != nil {
-		return err
-	}
-	defer conn.Close()
-	slice, name := splitName(path)
-	// We need to see if systemd can handle the delegate property
-	// Systemd will return an error if it cannot handle delegate regardless
-	// of its bool setting.
-	checkDelegate := func() {
-		canDelegate = true
-		dlSlice := newProperty("Delegate", true)
-		if _, err := conn.StartTransientUnit(slice, "testdelegate", []systemdDbus.Property{dlSlice}, nil); err != nil {
-			if dbusError, ok := err.(dbus.Error); ok {
-				// Starting with systemd v237, Delegate is not even a property of slices anymore,
-				// so the D-Bus call fails with "InvalidArgs" error.
-				if strings.Contains(dbusError.Name, "org.freedesktop.DBus.Error.PropertyReadOnly") || strings.Contains(dbusError.Name, "org.freedesktop.DBus.Error.InvalidArgs") {
-					canDelegate = false
-				}
-			}
-		}
-
-		conn.StopUnit(slice, "testDelegate", nil)
-	}
-	once.Do(checkDelegate)
-	properties := []systemdDbus.Property{
-		systemdDbus.PropDescription(fmt.Sprintf("cgroup %s", name)),
-		systemdDbus.PropWants(slice),
-		newProperty("DefaultDependencies", false),
-		newProperty("MemoryAccounting", true),
-		newProperty("CPUAccounting", true),
-		newProperty("BlockIOAccounting", true),
-	}
-
-	// If we can delegate, we add the property back in
-	if canDelegate {
-		properties = append(properties, newProperty("Delegate", true))
-	}
-
-	ch := make(chan string)
-	_, err = conn.StartTransientUnit(name, "replace", properties, ch)
-	if err != nil {
-		return err
-	}
-	<-ch
-	return nil
-}
-
-func (s *SystemdController) Delete(path string) error {
-	conn, err := systemdDbus.New()
-	if err != nil {
-		return err
-	}
-	defer conn.Close()
-	_, name := splitName(path)
-	ch := make(chan string)
-	_, err = conn.StopUnit(name, "replace", ch)
-	if err != nil {
-		return err
-	}
-	<-ch
-	return nil
-}
-
-func newProperty(name string, units interface{}) systemdDbus.Property {
-	return systemdDbus.Property{
-		Name:  name,
-		Value: dbus.MakeVariant(units),
-	}
-}
-
-func unitName(name string) string {
-	return fmt.Sprintf("%s.slice", name)
-}
-
-func splitName(path string) (slice string, unit string) {
-	slice, unit = filepath.Split(path)
-	return strings.TrimSuffix(slice, "/"), unit
-}