-
Notifications
You must be signed in to change notification settings - Fork 1.2k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[ws-daemon] cgroup customizer on workspace add
- Loading branch information
Showing
4 changed files
with
79 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // Copyright (c) 2021 Gitpod GmbH. All rights reserved. | ||
| // Licensed under the GNU Affero General Public License (AGPL). | ||
| // See License-AGPL.txt in the project root for license information. | ||
|
|
||
| package daemon | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/containerd/cgroups" | ||
| "github.com/gitpod-io/gitpod/ws-daemon/pkg/dispatch" | ||
| "github.com/opencontainers/runtime-spec/specs-go" | ||
| "golang.org/x/xerrors" | ||
| ) | ||
|
|
||
| var ( | ||
| fuseDeviceMajor int64 = 10 | ||
| fuseDeviceMinor int64 = 229 | ||
| ) | ||
|
|
||
| type CgroupCustomizer struct { | ||
| cgroupBasePath string | ||
| } | ||
|
|
||
| func (c *CgroupCustomizer) WithCgroupBasePath(basePath string) { | ||
| c.cgroupBasePath = basePath | ||
| } | ||
|
|
||
| // WorkspaceAdded will customize the cgroups for every workspace that is started | ||
| func (c *CgroupCustomizer) WorkspaceAdded(ctx context.Context, ws *dispatch.Workspace) error { | ||
| disp := dispatch.GetFromContext(ctx) | ||
| if disp == nil { | ||
| return xerrors.Errorf("no dispatch available") | ||
| } | ||
|
|
||
| cgroupPath, err := disp.Runtime.ContainerCGroupPath(context.Background(), ws.ContainerID) | ||
| if err != nil { | ||
| return xerrors.Errorf("cannot start governer: %w", err) | ||
| } | ||
|
|
||
| control, err := cgroups.Load(c.customV1, cgroups.StaticPath(cgroupPath)) | ||
|
|
||
| if err != nil { | ||
| return xerrors.Errorf("error loading cgroup at path: %s %w", cgroupPath, err) | ||
| } | ||
|
|
||
| res := &specs.LinuxResources{ | ||
| Devices: []specs.LinuxDeviceCgroup{ | ||
| // /dev/fuse | ||
| { | ||
| Type: "c", | ||
| Minor: &fuseDeviceMinor, | ||
| Major: &fuseDeviceMajor, | ||
| Access: "rwm", | ||
| Allow: true, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| if err := control.Update(res); err != nil { | ||
| return xerrors.Errorf("cgroup update failed: %w", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (c *CgroupCustomizer) customV1() ([]cgroups.Subsystem, error) { | ||
| return []cgroups.Subsystem{ | ||
| cgroups.NewDevices(c.cgroupBasePath), | ||
| }, nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters