func (p *kubeBuildletPool) GetBuildlet(ctx context.Context, typ, rev string, el eventTimeLogger) (*buildlet.Client, error) {
conf, ok := dashboard.Builders[typ]
if !ok || conf.KubeImage == "" {
return nil, fmt.Errorf("kubepool: invalid builder type %q", typ)
}
if kubeErr != nil {
return nil, kubeErr
}
if kubeClient == nil {
panic("expect non-nil kubeClient")
}
deleteIn := podDeleteTimeout
if strings.HasPrefix(rev, "user-") {
// Created by gomote (see remote.go), so don't kill it in 45 minutes.
// remote.go handles timeouts itself.
deleteIn = 0
rev = strings.TrimPrefix(rev, "user-")
}
// name is the cluster-wide unique name of the kubernetes pod. Max length
// is not documented, but it's kept <= 61 bytes, in line with GCE
revPrefix := rev
if len(revPrefix) > 8 {
revPrefix = rev[:8]
}
podName := "buildlet-" + typ + "-" + revPrefix + "-rn" + randHex(6)
var needDelete bool
el.logEventTime("creating_kube_pod", podName)
log.Printf("Creating Kubernetes pod %q for %s at %s", podName, typ, rev)
bc, err := buildlet.StartPod(ctx, kubeClient, podName, typ, buildlet.PodOpts{
ImageRegistry: registryPrefix,
Description: fmt.Sprintf("Go Builder for %s at %s", typ, rev),
DeleteIn: deleteIn,
OnPodCreated: func() {
el.logEventTime("pod_created")
p.setPodUsed(podName, true)
needDelete = true
},
OnGotPodInfo: func() {
el.logEventTime("got_pod_info", "waiting_for_buildlet...")
},
})
if err != nil {
el.logEventTime("kube_buildlet_create_failure", fmt.Sprintf("%s: %v", podName, err))
if needDelete {
log.Printf("Deleting failed pod %q", podName)
kubeClient.DeletePod(ctx, podName)
p.setPodUsed(podName, false)
}
return nil, err
}
bc.SetDescription("Kube Pod: " + podName)
// The build's context will be canceled when the build completes (successfully
// or not), or if the buildlet becomes unavailable. In any case, delete the pod
// running the buildlet.
go func() {
<-ctx.Done()
log.Printf("Deleting pod %q after build context cancel received ", podName)
// Giving DeletePod a new context here as the build ctx has been canceled
kubeClient.DeletePod(context.Background(), podName)
p.setPodUsed(podName, false)
}()
return bc, nil
}
func (p *kubeBuildletPool) GetBuildlet(ctx context.Context, typ, rev string, el eventTimeLogger) (*buildlet.Client, error) {
conf, ok := dashboard.Builders[typ]
if !ok || conf.KubeImage == "" {
return nil, fmt.Errorf("kubepool: invalid builder type %q", typ)
}
if kubeErr != nil {
return nil, kubeErr
}
if kubeClient == nil {
panic("expect non-nil kubeClient")
}
deleteIn := podDeleteTimeout
if strings.HasPrefix(rev, "user-") {
// Created by gomote (see remote.go), so don't kill it in 45 minutes.
// remote.go handles timeouts itself.
deleteIn = 0
rev = strings.TrimPrefix(rev, "user-")
}
// name is the cluster-wide unique name of the kubernetes pod. Max length
// is not documented, but it's kept <= 61 bytes, in line with GCE
revPrefix := rev
if len(revPrefix) > 8 {
revPrefix = rev[:8]
}
podName := "buildlet-" + typ + "-" + revPrefix + "-rn" + randHex(6)
var needDelete bool
el.logEventTime("creating_kube_pod", podName)
log.Printf("Creating Kubernetes pod %q for %s at %s", podName, typ, rev)
bc, err := buildlet.StartPod(ctx, kubeClient, podName, typ, buildlet.PodOpts{
ImageRegistry: registryPrefix,
Description: fmt.Sprintf("Go Builder for %s at %s", typ, rev),
DeleteIn: deleteIn,
OnPodRequested: func() {
el.logEventTime("pod_create_requested", podName)
log.Printf("Pod %q starting", podName)
},
OnPodCreated: func() {
el.logEventTime("pod_created")
needDelete = true // redundant with OnPodRequested one, but fine.
},
OnGotPodInfo: func() {
el.logEventTime("got_pod_info", "waiting_for_buildlet...")
},
})
if err != nil {
el.logEventTime("kube_buildlet_create_failure", fmt.Sprintf("%s: %v", podName, err))
log.Printf("Failed to create kube pod for %s, %s: %v", typ, rev, err)
if needDelete {
//TODO(evanbrown): delete pod
}
//p.setInstanceUsed(instName, false)
return nil, err
}
bc.SetDescription("Kube Pod: " + podName)
return bc, nil
}