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daemon: add nydusd process to specific cgroup
Signed-off-by: Bin Tang <tangbin.bin@bytedance.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * Copyright (c) 2023. Nydus Developers. All rights reserved. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package cgroup | ||
|
|
||
| import ( | ||
| "github.com/containerd/cgroups" | ||
| v1 "github.com/containerd/nydus-snapshotter/pkg/cgroup/v1" | ||
| v2 "github.com/containerd/nydus-snapshotter/pkg/cgroup/v2" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultSlice = "system.slice" | ||
| ) | ||
|
|
||
| type Config struct { | ||
| MemoryLimitInBytes int64 | ||
| MemoryWatermarkScaleFactor int64 | ||
| } | ||
|
|
||
| type DaemonCgroup interface { | ||
| // Delete the current cgroup. | ||
| Delete() error | ||
| // Add a process to current cgroup. | ||
| AddProc(pid int) error | ||
| } | ||
|
|
||
| func createCgroup(name string, config Config) (DaemonCgroup, error) { | ||
| if cgroups.Mode() == cgroups.Unified { | ||
| return v2.NewCgroup(defaultSlice, name, config.MemoryLimitInBytes, config.MemoryWatermarkScaleFactor) | ||
| } | ||
|
|
||
| return v1.NewCgroup(defaultSlice, name, config.MemoryLimitInBytes, config.MemoryWatermarkScaleFactor) | ||
| } | ||
|
|
||
| func Supported() bool { | ||
| return cgroups.Mode() != cgroups.Unavailable | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * Copyright (c) 2023. Nydus Developers. All rights reserved. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package cgroup | ||
|
|
||
| type Manager struct { | ||
| name string | ||
| config Config | ||
| cgroup DaemonCgroup | ||
| } | ||
|
|
||
| type Opt struct { | ||
| Name string | ||
| Config Config | ||
| } | ||
|
|
||
| func NewManager(opt Opt) (*Manager, error) { | ||
| cg, err := createCgroup(opt.Name, opt.Config) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &Manager{ | ||
| name: opt.Name, | ||
| config: opt.Config, | ||
| cgroup: cg, | ||
| }, nil | ||
| } | ||
|
|
||
| // Please make sure the *Manager is not null. | ||
| func (m *Manager) AddProc(pid int) error { | ||
| return m.cgroup.AddProc(pid) | ||
| } | ||
|
|
||
| // Please make sure the *Manager is not null. | ||
| func (m *Manager) Delete() error { | ||
| return m.cgroup.Delete() | ||
| } |
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