Golang Matcher Examples

Example #1

File: etcd.go Project: dustintownsend/origin

// NewStorage returns a RESTStorage object that will work against nodes.
func NewStorage(s storage.Interface) *REST {
	store := &etcdgeneric.Etcd{
		NewFunc:      func() runtime.Object { return &authorizationapi.Policy{} },
		NewListFunc:  func() runtime.Object { return &authorizationapi.PolicyList{} },
		EndpointName: "policy",
		KeyRootFunc: func(ctx kapi.Context) string {
			return etcdgeneric.NamespaceKeyRootFunc(ctx, PolicyPath)
		},
		KeyFunc: func(ctx kapi.Context, id string) (string, error) {
			return etcdgeneric.NamespaceKeyFunc(ctx, PolicyPath, id)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*authorizationapi.Policy).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return policy.Matcher(label, field)
		},

		CreateStrategy: policy.Strategy,
		UpdateStrategy: policy.Strategy,

		Storage: s,
	}

	return &REST{store}
}

Example #2

File: etcd.go Project: Xmagicer/origin

// NewStorage returns a RESTStorage object that will work against nodes.
func NewStorage(optsGetter restoptions.Getter) (*REST, error) {
	store := &registry.Store{
		NewFunc:           func() runtime.Object { return &authorizationapi.Policy{} },
		NewListFunc:       func() runtime.Object { return &authorizationapi.PolicyList{} },
		QualifiedResource: authorizationapi.Resource("policies"),
		KeyRootFunc: func(ctx kapi.Context) string {
			return registry.NamespaceKeyRootFunc(ctx, PolicyPath)
		},
		KeyFunc: func(ctx kapi.Context, id string) (string, error) {
			return registry.NamespaceKeyFunc(ctx, PolicyPath, id)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*authorizationapi.Policy).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return policy.Matcher(label, field)
		},

		CreateStrategy: policy.Strategy,
		UpdateStrategy: policy.Strategy,
	}

	if err := restoptions.ApplyOptions(optsGetter, store, PolicyPath); err != nil {
		return nil, err
	}

	return &REST{store}, nil
}

Example #3

File: policy.go Project: Xmagicer/origin

func (i *indexerToPolicyLister) List(options kapi.ListOptions) (*authorizationapi.PolicyList, error) {
	policyList := &authorizationapi.PolicyList{}
	matcher := policyregistry.Matcher(oapi.ListOptionsToSelectors(&options))

	if i.namespace == kapi.NamespaceAll {
		returnedList := i.Indexer.List()
		for i := range returnedList {
			policy := returnedList[i].(*authorizationapi.Policy)
			if matches, err := matcher.Matches(policy); err == nil && matches {
				policyList.Items = append(policyList.Items, *policy)
			}
		}
		return policyList, nil
	}

	key := &authorizationapi.Policy{ObjectMeta: kapi.ObjectMeta{Namespace: i.namespace}}
	items, err := i.Indexer.Index(cache.NamespaceIndex, key)
	if err != nil {
		return policyList, err
	}

	for i := range items {
		policy := items[i].(*authorizationapi.Policy)
		if matches, err := matcher.Matches(policy); err == nil && matches {
			policyList.Items = append(policyList.Items, *policy)
		}
	}
	return policyList, nil
}

Example #4

File: etcd.go Project: xgwang-zte/origin

// NewStorage returns a RESTStorage object that will work against Policy objects.
func NewStorage(optsGetter restoptions.Getter) (*REST, error) {
	store := &registry.Store{
		NewFunc:           func() runtime.Object { return &authorizationapi.Policy{} },
		NewListFunc:       func() runtime.Object { return &authorizationapi.PolicyList{} },
		QualifiedResource: authorizationapi.Resource("policies"),
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*authorizationapi.Policy).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) storage.SelectionPredicate {
			return policy.Matcher(label, field)
		},

		CreateStrategy: policy.Strategy,
		UpdateStrategy: policy.Strategy,
	}

	if err := restoptions.ApplyOptions(optsGetter, store, true, storage.NoTriggerPublisher); err != nil {
		return nil, err
	}

	return &REST{store}, nil
}

Example #5

File: policy.go Project: RomainVabre/origin

func (c *readOnlyPolicyCache) List(options *kapi.ListOptions, namespace string) (*authorizationapi.PolicyList, error) {
	var returnedList []interface{}
	if namespace == kapi.NamespaceAll {
		returnedList = c.indexer.List()
	} else {
		items, err := c.indexer.Index("namespace", &authorizationapi.Policy{ObjectMeta: kapi.ObjectMeta{Namespace: namespace}})
		returnedList = items
		if err != nil {
			return &authorizationapi.PolicyList{}, errors.NewInvalid(authorizationapi.Kind("PolicyList"), "policyList", kfield.ErrorList{kfield.Invalid(kfield.NewPath("policyList"), nil, err.Error())})
		}
	}
	policyList := &authorizationapi.PolicyList{}
	matcher := policyregistry.Matcher(oapi.ListOptionsToSelectors(options))
	for i := range returnedList {
		policy, castOK := returnedList[i].(*authorizationapi.Policy)
		if !castOK {
			return policyList, errors.NewInvalid(authorizationapi.Kind("PolicyList"), "policyList", kfield.ErrorList{})
		}
		if matches, err := matcher.Matches(policy); err == nil && matches {
			policyList.Items = append(policyList.Items, *policy)
		}
	}
	return policyList, nil
}