mirror of
https://github.com/gitpod-io/gitpod.git
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130 lines
3.7 KiB
Go
130 lines
3.7 KiB
Go
// Copyright (c) 2021 Gitpod GmbH. All rights reserved.
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// Licensed under the GNU Affero General Public License (AGPL).
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// See License.AGPL.txt in the project root for license information.
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package workspace
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import (
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"context"
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"fmt"
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"path/filepath"
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"sort"
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"strings"
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"testing"
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"time"
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"golang.org/x/exp/slices"
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"sigs.k8s.io/e2e-framework/pkg/envconf"
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"sigs.k8s.io/e2e-framework/pkg/features"
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agent "github.com/gitpod-io/gitpod/test/pkg/agent/workspace/api"
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"github.com/gitpod-io/gitpod/test/pkg/integration"
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"github.com/gitpod-io/gitpod/test/pkg/report"
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)
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func TestCgroupV2(t *testing.T) {
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f := features.New("cgroup v2").
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WithLabel("component", "workspace").
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Assess("it should have cgroup v2 enabled and create a new cgroup", func(testCtx context.Context, t *testing.T, cfg *envconf.Config) context.Context {
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report.SetupReport(t, report.FeatureResourceLimit, "this is the test for cgroup v2")
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t.Parallel()
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ctx, cancel := context.WithTimeout(testCtx, 5*time.Minute)
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defer cancel()
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api := integration.NewComponentAPI(ctx, cfg.Namespace(), kubeconfig, cfg.Client())
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t.Cleanup(func() {
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api.Done(t)
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})
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ws, stopWs, err := integration.LaunchWorkspaceDirectly(t, ctx, api)
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if err != nil {
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t.Fatal(err)
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}
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t.Cleanup(func() {
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sctx, scancel := context.WithTimeout(context.Background(), 5*time.Minute)
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defer scancel()
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sapi := integration.NewComponentAPI(sctx, cfg.Namespace(), kubeconfig, cfg.Client())
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defer sapi.Done(t)
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_, err = stopWs(true, sapi)
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if err != nil {
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t.Fatal(err)
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}
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})
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rsa, closer, err := integration.Instrument(integration.ComponentWorkspace, "workspace", cfg.Namespace(), kubeconfig, cfg.Client(), integration.WithInstanceID(ws.Req.Id), integration.WithWorkspacekitLift(true))
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if err != nil {
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t.Fatalf("unexpected error instrumenting workspace: %v", err)
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}
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defer rsa.Close()
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integration.DeferCloser(t, closer)
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cgv2, err := integration.IsCgroupV2(rsa)
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if err != nil {
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t.Fatalf("unexpected error checking cgroup v2: %v", err)
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}
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if !cgv2 {
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t.Fatalf("expected cgroup v2 to be enabled")
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}
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cgroupBase := "/sys/fs/cgroup/test"
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var respNewCgroup agent.ExecResponse
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err = rsa.Call("WorkspaceAgent.Exec", &agent.ExecRequest{
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Dir: "/",
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Command: "bash",
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Args: []string{
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"-c",
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fmt.Sprintf("if [ ! -e %s ]; then sudo mkdir %s; fi", cgroupBase, cgroupBase),
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},
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}, &respNewCgroup)
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if err != nil {
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t.Fatalf("new cgroup create failed: %v\n%s\n%s", err, respNewCgroup.Stdout, respNewCgroup.Stderr)
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}
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if respNewCgroup.ExitCode != 0 {
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t.Fatalf("new cgroup create failed: %s\n%s", respNewCgroup.Stdout, respNewCgroup.Stderr)
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}
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var respCheckControllers agent.ExecResponse
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err = rsa.Call("WorkspaceAgent.Exec", &agent.ExecRequest{
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Dir: "/",
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Command: "bash",
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Args: []string{
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"-c",
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fmt.Sprintf("cat %s", filepath.Join(cgroupBase, "cgroup.controllers")),
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},
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}, &respCheckControllers)
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if err != nil {
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t.Fatalf("cgroup v2 controllers check failed: %v\n%s\n%s", err, respCheckControllers.Stdout, respCheckControllers.Stderr)
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}
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if respCheckControllers.ExitCode != 0 {
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t.Fatalf("cgroup v2 controllers check failed: %s\n%s", respCheckControllers.Stdout, respCheckControllers.Stderr)
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}
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expect := []string{
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"cpuset",
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"cpu",
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"io",
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"memory",
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"pids",
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}
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sort.Strings(expect)
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act := strings.Split(strings.TrimSuffix(respCheckControllers.Stdout, "\n"), " ")
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sort.Strings(act)
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for _, resouce := range expect {
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if !slices.Contains(act, resouce) {
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t.Errorf("cgroup v2 controllers doesn't have %s", resouce)
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}
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}
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return testCtx
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}).
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Feature()
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testEnv.Test(t, f)
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}
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