137 lines
3.1 KiB
Go
137 lines
3.1 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"context"
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"fmt"
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"strings"
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"sync"
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"time"
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containerd "github.com/containerd/containerd/v2/client"
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"github.com/containerd/containerd/v2/pkg/cio"
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"github.com/containerd/containerd/v2/pkg/oci"
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"github.com/containerd/log"
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)
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type ctrWorker struct {
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id int
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wg *sync.WaitGroup
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count int
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failures int
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client *containerd.Client
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image containerd.Image
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commit string
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snapshotter string
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}
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func (w *ctrWorker) run(ctx, tctx context.Context) {
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defer func() {
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w.wg.Done()
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log.L.Infof("worker %d finished", w.id)
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}()
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for {
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select {
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case <-tctx.Done():
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return
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default:
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}
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w.count++
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id := w.getID()
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log.L.Debugf("starting container %s", id)
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start := time.Now()
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if err := w.runContainer(ctx, id); err != nil {
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if err != context.DeadlineExceeded ||
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!strings.Contains(err.Error(), context.DeadlineExceeded.Error()) {
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w.failures++
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log.L.WithError(err).Errorf("running container %s", id)
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errCounter.WithValues(err.Error()).Inc()
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}
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continue
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}
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// only log times are success so we don't skew the results from failures that go really fast
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ct.WithValues(w.commit).UpdateSince(start)
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}
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}
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func (w *ctrWorker) incCount() {
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w.count++
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}
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func (w *ctrWorker) getCount() int {
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return w.count
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}
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func (w *ctrWorker) incFailures() {
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w.failures++
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}
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func (w *ctrWorker) getFailures() int {
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return w.failures
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}
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func (w *ctrWorker) runContainer(ctx context.Context, id string) (err error) {
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// fix up cgroups path for a default config
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c, err := w.client.NewContainer(ctx, id,
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containerd.WithSnapshotter(w.snapshotter),
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containerd.WithNewSnapshot(id, w.image),
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containerd.WithNewSpec(oci.WithImageConfig(w.image), oci.WithUsername("games"), oci.WithProcessArgs("true")),
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)
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if err != nil {
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return err
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}
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defer func() {
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if derr := c.Delete(ctx, containerd.WithSnapshotCleanup); err == nil {
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err = derr
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}
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}()
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task, err := c.NewTask(ctx, cio.NullIO)
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if err != nil {
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return err
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}
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defer func() {
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if _, derr := task.Delete(ctx, containerd.WithProcessKill); err == nil {
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err = derr
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}
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}()
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statusC, err := task.Wait(ctx)
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if err != nil {
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return err
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}
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if err := task.Start(ctx); err != nil {
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return err
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}
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status := <-statusC
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_, _, err = status.Result()
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if err != nil {
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if err == context.DeadlineExceeded || err == context.Canceled {
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return nil
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}
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w.failures++
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errCounter.WithValues(err.Error()).Inc()
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}
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return nil
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}
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func (w *ctrWorker) getID() string {
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return fmt.Sprintf("%d-%d", w.id, w.count)
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}
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