func runAtomicPutTest(c *client.Client) {
var svc api.Service
err := c.Post().Resource("services").Body(
&api.Service{
TypeMeta: api.TypeMeta{
APIVersion: latest.Version,
},
ObjectMeta: api.ObjectMeta{
Name: "atomicservice",
Labels: map[string]string{
"name": "atomicService",
},
},
Spec: api.ServiceSpec{
Port: 12345,
// This is here because validation requires it.
Selector: map[string]string{
"foo": "bar",
},
},
},
).Do().Into(&svc)
if err != nil {
glog.Fatalf("Failed creating atomicService: %v", err)
}
glog.Info("Created atomicService")
testLabels := labels.Set{
"foo": "bar",
}
for i := 0; i < 5; i++ {
// a: z, b: y, etc...
testLabels[string([]byte{byte('a' + i)})] = string([]byte{byte('z' - i)})
}
var wg sync.WaitGroup
wg.Add(len(testLabels))
for label, value := range testLabels {
go func(l, v string) {
for {
glog.Infof("Starting to update (%s, %s)", l, v)
var tmpSvc api.Service
err := c.Get().
Resource("services").
Name(svc.Name).
Do().
Into(&tmpSvc)
if err != nil {
glog.Errorf("Error getting atomicService: %v", err)
continue
}
if tmpSvc.Spec.Selector == nil {
tmpSvc.Spec.Selector = map[string]string{l: v}
} else {
tmpSvc.Spec.Selector[l] = v
}
glog.Infof("Posting update (%s, %s)", l, v)
err = c.Put().Resource("services").Name(svc.Name).Body(&tmpSvc).Do().Error()
if err != nil {
if errors.IsConflict(err) {
glog.Infof("Conflict: (%s, %s)", l, v)
// This is what we expect.
continue
}
glog.Errorf("Unexpected error putting atomicService: %v", err)
continue
}
break
}
glog.Infof("Done update (%s, %s)", l, v)
wg.Done()
}(label, value)
}
wg.Wait()
if err := c.Get().Resource("services").Name(svc.Name).Do().Into(&svc); err != nil {
glog.Fatalf("Failed getting atomicService after writers are complete: %v", err)
}
if !reflect.DeepEqual(testLabels, labels.Set(svc.Spec.Selector)) {
glog.Fatalf("Selector PUTs were not atomic: wanted %v, got %v", testLabels, svc.Spec.Selector)
}
glog.Info("Atomic PUTs work.")
}
func runAtomicPutTest(c *client.Client) {
var svc api.Service
err := c.Post().Path("services").Body(
api.Service{
JSONBase: api.JSONBase{ID: "atomicservice", APIVersion: "v1beta1"},
Port: 12345,
Labels: map[string]string{
"name": "atomicService",
},
// This is here because validation requires it.
Selector: map[string]string{
"foo": "bar",
},
},
).Do().Into(&svc)
if err != nil {
glog.Fatalf("Failed creating atomicService: %v", err)
}
glog.Info("Created atomicService")
testLabels := labels.Set{
"foo": "bar",
}
for i := 0; i < 5; i++ {
// a: z, b: y, etc...
testLabels[string([]byte{byte('a' + i)})] = string([]byte{byte('z' - i)})
}
var wg sync.WaitGroup
wg.Add(len(testLabels))
for label, value := range testLabels {
go func(l, v string) {
for {
glog.Infof("Starting to update (%s, %s)", l, v)
var tmpSvc api.Service
err := c.Get().
Path("services").
Path(svc.ID).
PollPeriod(100 * time.Millisecond).
Do().
Into(&tmpSvc)
if err != nil {
glog.Errorf("Error getting atomicService: %v", err)
continue
}
if tmpSvc.Selector == nil {
tmpSvc.Selector = map[string]string{l: v}
} else {
tmpSvc.Selector[l] = v
}
glog.Infof("Posting update (%s, %s)", l, v)
err = c.Put().Path("services").Path(svc.ID).Body(&tmpSvc).Do().Error()
if err != nil {
if se, ok := err.(*client.StatusErr); ok {
if se.Status.Code == http.StatusConflict {
glog.Infof("Conflict: (%s, %s)", l, v)
// This is what we expect.
continue
}
}
glog.Errorf("Unexpected error putting atomicService: %v", err)
continue
}
break
}
glog.Infof("Done update (%s, %s)", l, v)
wg.Done()
}(label, value)
}
wg.Wait()
if err := c.Get().Path("services").Path(svc.ID).Do().Into(&svc); err != nil {
glog.Fatalf("Failed getting atomicService after writers are complete: %v", err)
}
if !reflect.DeepEqual(testLabels, labels.Set(svc.Selector)) {
glog.Fatalf("Selector PUTs were not atomic: wanted %v, got %v", testLabels, svc.Selector)
}
glog.Info("Atomic PUTs work.")
}