func (p *testPatcher) Update(ctx api.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
currentPod := p.startingPod
if p.numUpdates > 0 {
currentPod = p.updatePod
}
p.numUpdates++
obj, err := objInfo.UpdatedObject(ctx, currentPod)
if err != nil {
return nil, false, err
}
inPod := obj.(*api.Pod)
if inPod.ResourceVersion != p.updatePod.ResourceVersion {
return nil, false, apierrors.NewConflict(api.Resource("pods"), inPod.Name, fmt.Errorf("existing %v, new %v", p.updatePod.ResourceVersion, inPod.ResourceVersion))
}
return inPod, false, nil
}
func (r *ScaleREST) Update(ctx api.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
deployment, err := r.registry.GetDeployment(ctx, name)
if err != nil {
return nil, false, errors.NewNotFound(extensions.Resource("deployments/scale"), name)
}
oldScale, err := scaleFromDeployment(deployment)
if err != nil {
return nil, false, err
}
obj, err := objInfo.UpdatedObject(ctx, oldScale)
if err != nil {
return nil, false, err
}
if obj == nil {
return nil, false, errors.NewBadRequest(fmt.Sprintf("nil update passed to Scale"))
}
scale, ok := obj.(*extensions.Scale)
if !ok {
return nil, false, errors.NewBadRequest(fmt.Sprintf("expected input object type to be Scale, but %T", obj))
}
if errs := extvalidation.ValidateScale(scale); len(errs) > 0 {
return nil, false, errors.NewInvalid(extensions.Kind("Scale"), name, errs)
}
deployment.Spec.Replicas = scale.Spec.Replicas
deployment.ResourceVersion = scale.ResourceVersion
deployment, err = r.registry.UpdateDeployment(ctx, deployment)
if err != nil {
return nil, false, err
}
newScale, err := scaleFromDeployment(deployment)
if err != nil {
return nil, false, errors.NewBadRequest(fmt.Sprintf("%v", err))
}
return newScale, false, nil
}
func (rs *REST) Update(ctx api.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
oldService, err := rs.registry.GetService(ctx, name)
if err != nil {
return nil, false, err
}
obj, err := objInfo.UpdatedObject(ctx, oldService)
if err != nil {
return nil, false, err
}
service := obj.(*api.Service)
if !api.ValidNamespace(ctx, &service.ObjectMeta) {
return nil, false, errors.NewConflict(api.Resource("services"), service.Namespace, fmt.Errorf("Service.Namespace does not match the provided context"))
}
// Copy over non-user fields
// TODO: make this a merge function
if errs := validation.ValidateServiceUpdate(service, oldService); len(errs) > 0 {
return nil, false, errors.NewInvalid(api.Kind("Service"), service.Name, errs)
}
nodePortOp := portallocator.StartOperation(rs.serviceNodePorts)
defer nodePortOp.Finish()
assignNodePorts := shouldAssignNodePorts(service)
oldNodePorts := CollectServiceNodePorts(oldService)
newNodePorts := []int{}
if assignNodePorts {
for i := range service.Spec.Ports {
servicePort := &service.Spec.Ports[i]
nodePort := int(servicePort.NodePort)
if nodePort != 0 {
if !contains(oldNodePorts, nodePort) {
err := nodePortOp.Allocate(nodePort)
if err != nil {
el := field.ErrorList{field.Invalid(field.NewPath("spec", "ports").Index(i).Child("nodePort"), nodePort, err.Error())}
return nil, false, errors.NewInvalid(api.Kind("Service"), service.Name, el)
}
}
} else {
nodePort, err = nodePortOp.AllocateNext()
if err != nil {
// TODO: what error should be returned here? It's not a
// field-level validation failure (the field is valid), and it's
// not really an internal error.
return nil, false, errors.NewInternalError(fmt.Errorf("failed to allocate a nodePort: %v", err))
}
servicePort.NodePort = int32(nodePort)
}
// Detect duplicate node ports; this should have been caught by validation, so we panic
if contains(newNodePorts, nodePort) {
panic("duplicate node port")
}
newNodePorts = append(newNodePorts, nodePort)
}
} else {
// Validate should have validated that nodePort == 0
}
// The comparison loops are O(N^2), but we don't expect N to be huge
// (there's a hard-limit at 2^16, because they're ports; and even 4 ports would be a lot)
for _, oldNodePort := range oldNodePorts {
if !contains(newNodePorts, oldNodePort) {
continue
}
nodePortOp.ReleaseDeferred(oldNodePort)
}
// Remove any LoadBalancerStatus now if Type != LoadBalancer;
// although loadbalancer delete is actually asynchronous, we don't need to expose the user to that complexity.
if service.Spec.Type != api.ServiceTypeLoadBalancer {
service.Status.LoadBalancer = api.LoadBalancerStatus{}
}
out, err := rs.registry.UpdateService(ctx, service)
if err == nil {
el := nodePortOp.Commit()
if el != nil {
// problems should be fixed by an eventual reconciliation / restart
glog.Errorf("error(s) committing NodePorts changes: %v", el)
}
}
return out, false, err
}