Ejemplo n.º 1
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// WatchControllers begins watching for new, changed, or deleted controllers.
func (r *Registry) WatchControllers(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	if !field.Empty() {
		return nil, fmt.Errorf("field selectors are not supported on replication controllers")
	}
	version, err := tools.ParseWatchResourceVersion(resourceVersion, "replicationControllers")
	if err != nil {
		return nil, err
	}
	key := makeControllerListKey(ctx)
	return r.WatchList(key, version, func(obj runtime.Object) bool {
		controller, ok := obj.(*api.ReplicationController)
		if !ok {
			// Must be an error: return true to propagate to upper level.
			return true
		}
		match := label.Matches(labels.Set(controller.Labels))
		if match {
			pods, err := r.pods.ListPods(ctx, labels.Set(controller.Spec.Selector).AsSelector())
			if err != nil {
				glog.Warningf("Error listing pods: %v", err)
				// No object that's useable so drop it on the floor
				return false
			}
			if pods == nil {
				glog.Warningf("Pods list is nil.  This should never happen...")
				// No object that's useable so drop it on the floor
				return false
			}
			controller.Status.Replicas = len(pods.Items)
		}
		return match
	})
}
Ejemplo n.º 2
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// Matchtoken returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		clientObj, ok := obj.(*api.OAuthClientAuthorization)
		if !ok {
			return false, fmt.Errorf("not a client authorization")
		}
		fields := SelectableFields(clientObj)
		return label.Matches(labels.Set(clientObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 3
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// Matchtoken returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		tokenObj, ok := obj.(*api.OAuthAccessToken)
		if !ok {
			return false, fmt.Errorf("not a token")
		}
		fields := SelectableFields(tokenObj)
		return label.Matches(labels.Set(tokenObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 4
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// MatchIdentity returns a generic matcher for a given label and field selector.
func MatchIdentity(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		identityObj, ok := obj.(*api.Identity)
		if !ok {
			return false, fmt.Errorf("not an identity")
		}
		fields := IdentityToSelectableFields(identityObj)
		return label.Matches(labels.Set(identityObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 5
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// MatchPersistentVolumeClaim returns a generic matcher for a given label and field selector.
func MatchPersistentVolumeClaim(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		persistentvolumeclaimObj, ok := obj.(*api.PersistentVolumeClaim)
		if !ok {
			return false, fmt.Errorf("not a persistentvolumeclaim")
		}
		fields := PersistentVolumeClaimToSelectableFields(persistentvolumeclaimObj)
		return label.Matches(labels.Set(persistentvolumeclaimObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 6
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// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		sa, ok := obj.(*api.ServiceAccount)
		if !ok {
			return false, fmt.Errorf("not a serviceaccount")
		}
		fields := SelectableFields(sa)
		return label.Matches(labels.Set(sa.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 7
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// MatchImageStream returns a generic matcher for a given label and field selector.
func MatchImageStream(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		ir, ok := obj.(*api.ImageStream)
		if !ok {
			return false, fmt.Errorf("not an ImageStream")
		}
		fields := ImageStreamToSelectableFields(ir)
		return label.Matches(labels.Set(ir.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 8
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// MatchResourceQuota returns a generic matcher for a given label and field selector.
func MatchResourceQuota(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		resourcequotaObj, ok := obj.(*api.ResourceQuota)
		if !ok {
			return false, fmt.Errorf("not a resourcequota")
		}
		fields := ResourceQuotaToSelectableFields(resourcequotaObj)
		return label.Matches(labels.Set(resourcequotaObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 9
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// MatchNamespace returns a generic matcher for a given label and field selector.
func MatchNamespace(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		namespaceObj, ok := obj.(*api.Namespace)
		if !ok {
			return false, fmt.Errorf("not a namespace")
		}
		fields := NamespaceToSelectableFields(namespaceObj)
		return label.Matches(labels.Set(namespaceObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 10
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// MatchPod returns a generic matcher for a given label and field selector.
func MatchPod(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		podObj, ok := obj.(*api.Pod)
		if !ok {
			return false, fmt.Errorf("not a pod")
		}
		fields := PodToSelectableFields(podObj)
		return label.Matches(labels.Set(podObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 11
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// List obtains a list of ReplicationControllers that match selector.
func (s *storage) ListControllers(ctx api.Context, label labels.Selector, field fields.Selector) (*api.ReplicationControllerList, error) {
	if !field.Empty() {
		return nil, fmt.Errorf("field selector not supported yet")
	}
	obj, err := s.List(ctx, label, field)
	if err != nil {
		return nil, err
	}
	return obj.(*api.ReplicationControllerList), err
}
Ejemplo n.º 12
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// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		scc, ok := obj.(*api.SecurityContextConstraints)
		if !ok {
			return false, fmt.Errorf("not a securitycontextconstraint")
		}
		fields := SelectableFields(scc)
		return label.Matches(labels.Set(scc.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 13
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// MatchUser returns a generic matcher for a given label and field selector.
func MatchUser(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		userObj, ok := obj.(*api.User)
		if !ok {
			return false, fmt.Errorf("not a user")
		}
		fields := UserToSelectableFields(userObj)
		return label.Matches(labels.Set(userObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 14
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// MatchGroup returns a generic matcher for a given label and field selector.
func MatchGroup(label labels.Selector, field fields.Selector) generic.Matcher {
	return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
		groupObj, ok := obj.(*api.Group)
		if !ok {
			return false, fmt.Errorf("not a group")
		}
		fields := GroupToSelectableFields(groupObj)
		return label.Matches(labels.Set(groupObj.Labels)) && field.Matches(fields), nil
	})
}
Ejemplo n.º 15
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func (c *readOnlyClusterPolicyCache) List(label labels.Selector, field fields.Selector) (*authorizationapi.ClusterPolicyList, error) {
	clusterPolicyList := &authorizationapi.ClusterPolicyList{}
	returnedList := c.indexer.List()
	for i := range returnedList {
		clusterPolicy, castOK := returnedList[i].(*authorizationapi.ClusterPolicy)
		if !castOK {
			return clusterPolicyList, errors.NewInvalid("ClusterPolicy", "clusterPolicy", []error{})
		}
		if label.Matches(labels.Set(clusterPolicy.Labels)) && field.Matches(ClusterPolicyToSelectableFields(clusterPolicy)) {
			clusterPolicyList.Items = append(clusterPolicyList.Items, *clusterPolicy)
		}
	}
	return clusterPolicyList, nil
}
Ejemplo n.º 16
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// FieldsSelectorParam adds the given selector as a query parameter with the name paramName.
func (r *Request) FieldsSelectorParam(s fields.Selector) *Request {
	if r.err != nil {
		return r
	}
	if s.Empty() {
		return r
	}
	s2, err := s.Transform(func(field, value string) (newField, newValue string, err error) {
		return fieldMappings.filterField(r.apiVersion, r.resource, field, value)
	})
	if err != nil {
		r.err = err
		return r
	}
	return r.setParam(api.FieldSelectorQueryParam(r.apiVersion), s2.String())
}
Ejemplo n.º 17
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// List obtains a list of ReplicationControllers that match selector.
func (rs *REST) List(ctx api.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
	if !field.Empty() {
		return nil, fmt.Errorf("field selector not supported yet")
	}
	controllers, err := rs.registry.ListControllers(ctx)
	if err != nil {
		return nil, err
	}
	filtered := []api.ReplicationController{}
	for _, controller := range controllers.Items {
		if label.Matches(labels.Set(controller.Labels)) {
			filtered = append(filtered, controller)
		}
	}
	controllers.Items = filtered
	return controllers, err
}
Ejemplo n.º 18
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// WatchBuildConfigs begins watching for new, changed, or deleted BuildConfigs.
func (r *Etcd) WatchBuildConfigs(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	version, err := tools.ParseWatchResourceVersion(resourceVersion, "buildConfig")
	if err != nil {
		return nil, err
	}

	return r.WatchList(makeBuildConfigListKey(ctx), version, func(obj runtime.Object) bool {
		buildConfig, ok := obj.(*api.BuildConfig)
		if !ok {
			glog.Errorf("Unexpected object during %s/%s BuildConfig watch: %#v", buildConfig.Namespace, buildConfig.Name, obj)
			return false
		}
		fields := labels.Set{
			"metadata.name": buildConfig.Name,
		}
		return label.Matches(labels.Set(buildConfig.Labels)) && field.Matches(fields)
	})
}
Ejemplo n.º 19
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// WatchEndpoints begins watching for new, changed, or deleted endpoint configurations.
func (r *Registry) WatchEndpoints(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	version, err := tools.ParseWatchResourceVersion(resourceVersion, "endpoints")
	if err != nil {
		return nil, err
	}
	if !label.Empty() {
		return nil, fmt.Errorf("label selectors are not supported on endpoints")
	}
	if value, found := field.RequiresExactMatch("name"); found {
		key, err := makeServiceEndpointsKey(ctx, value)
		if err != nil {
			return nil, err
		}
		return r.Watch(key, version), nil
	}
	if field.Empty() {
		return r.WatchList(makeServiceEndpointsListKey(ctx), version, tools.Everything)
	}
	return nil, fmt.Errorf("only the 'ID' and default (everything) field selectors are supported")
}
Ejemplo n.º 20
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// WatchBuilds begins watching for new, changed, or deleted Builds.
func (r *Etcd) WatchBuilds(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	version, err := tools.ParseWatchResourceVersion(resourceVersion, "build")
	if err != nil {
		return nil, err
	}

	return r.WatchList(makeBuildListKey(ctx), version, func(obj runtime.Object) bool {
		build, ok := obj.(*api.Build)
		setDuration(build)
		if !ok {
			glog.Errorf("Unexpected object during build watch: %#v", obj)
			return false
		}
		fields := labels.Set{
			"metadata.name": build.Name,
			"status":        string(build.Status),
			"podName":       buildutil.GetBuildPodName(build),
		}
		return label.Matches(labels.Set(build.Labels)) && field.Matches(fields)
	})
}
Ejemplo n.º 21
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// WatchServices begins watching for new, changed, or deleted service configurations.
func (r *Registry) WatchServices(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	version, err := storage.ParseWatchResourceVersion(resourceVersion, "service")
	if err != nil {
		return nil, err
	}
	if !label.Empty() {
		return nil, fmt.Errorf("label selectors are not supported on services")
	}
	if value, found := field.RequiresExactMatch("name"); found {
		key, err := makeServiceKey(ctx, value)
		if err != nil {
			return nil, err
		}
		// TODO: use generic.SelectionPredicate
		return r.Watch(key, version, storage.Everything)
	}
	if field.Empty() {
		return r.WatchList(makeServiceListKey(ctx), version, storage.Everything)
	}
	return nil, fmt.Errorf("only the 'name' and default (everything) field selectors are supported")
}
Ejemplo n.º 22
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func (c *readOnlyPolicyBindingCache) List(label labels.Selector, field fields.Selector, namespace string) (*authorizationapi.PolicyBindingList, error) {
	var returnedList []interface{}
	if namespace == kapi.NamespaceAll {
		returnedList = c.indexer.List()
	} else {
		items, err := c.indexer.Index("namespace", &authorizationapi.PolicyBinding{ObjectMeta: kapi.ObjectMeta{Namespace: namespace}})
		returnedList = items
		if err != nil {
			return &authorizationapi.PolicyBindingList{}, errors.NewInvalid("PolicyBindingList", "policyBindingList", []error{err})
		}
	}
	policyBindingList := &authorizationapi.PolicyBindingList{}
	for i := range returnedList {
		policyBinding, castOK := returnedList[i].(*authorizationapi.PolicyBinding)
		if !castOK {
			return policyBindingList, errors.NewInvalid("PolicyBindingList", "policyBindingList", []error{})
		}
		if label.Matches(labels.Set(policyBinding.Labels)) && field.Matches(PolicyBindingToSelectableFields(policyBinding)) {
			policyBindingList.Items = append(policyBindingList.Items, *policyBinding)
		}
	}
	return policyBindingList, nil
}
Ejemplo n.º 23
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// WatchRoutes begins watching for new, changed, or deleted route configurations.
func (registry *Etcd) WatchRoutes(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	if !label.Empty() {
		return nil, fmt.Errorf("label selectors are not supported on routes yet")
	}

	version, err := storage.ParseWatchResourceVersion(resourceVersion, "pod")
	if err != nil {
		return nil, err
	}

	if value, found := field.RequiresExactMatch("ID"); found {
		key, err := makeRouteKey(ctx, value)
		if err != nil {
			return nil, err
		}
		return registry.Watch(key, version, storage.Everything)
	}

	if field.Empty() {
		key := kubeetcd.MakeEtcdListKey(ctx, RoutePath)
		return registry.WatchList(key, version, storage.Everything)
	}
	return nil, fmt.Errorf("only the 'ID' and default (everything) field selectors are supported")
}
Ejemplo n.º 24
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// Watch begins watching for new, changed, or deleted images.
func (r *REST) Watch(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
	if !field.Empty() {
		return nil, errors.New("field selectors are not supported on images")
	}
	return r.store.WatchPredicate(ctx, image.MatchImage(label, field), resourceVersion)
}
Ejemplo n.º 25
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// List satisfies the RESTStorage interface.
func (rs *REST) List(ctx api.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
	if !label.Empty() || !field.Empty() {
		return nil, errors.NewBadRequest("label/field selectors are not supported on endpoints")
	}
	return rs.registry.ListEndpoints(ctx)
}