Golang Matcher Examples

Example #1

File: etcd.go Project: nstrug/origin

// NewREST returns a RESTStorage object that will work against access tokens
func NewREST(h tools.EtcdHelper) *REST {
	store := &etcdgeneric.Etcd{
		NewFunc:     func() runtime.Object { return &api.OAuthAccessToken{} },
		NewListFunc: func() runtime.Object { return &api.OAuthAccessTokenList{} },
		KeyRootFunc: func(ctx kapi.Context) string {
			return EtcdPrefix
		},
		KeyFunc: func(ctx kapi.Context, name string) (string, error) {
			return util.NoNamespaceKeyFunc(ctx, EtcdPrefix, name)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.OAuthAccessToken).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return oauthaccesstoken.Matcher(label, field)
		},
		TTLFunc: func(obj runtime.Object, existing uint64, update bool) (uint64, error) {
			token := obj.(*api.OAuthAccessToken)
			expires := uint64(token.ExpiresIn)
			return expires, nil
		},

		EndpointName: "oauthaccesstokens",

		Helper: h,
	}

	store.CreateStrategy = oauthaccesstoken.Strategy

	return &REST{store}
}

Example #2

File: etcd.go Project: Xmagicer/origin

// NewREST returns a RESTStorage object that will work against access tokens
func NewREST(optsGetter restoptions.Getter, clientGetter oauthclient.Getter, backends ...storage.Interface) (*REST, error) {

	strategy := oauthaccesstoken.NewStrategy(clientGetter)
	store := &registry.Store{
		NewFunc:     func() runtime.Object { return &api.OAuthAccessToken{} },
		NewListFunc: func() runtime.Object { return &api.OAuthAccessTokenList{} },
		KeyRootFunc: func(ctx kapi.Context) string {
			return EtcdPrefix
		},
		KeyFunc: func(ctx kapi.Context, name string) (string, error) {
			return util.NoNamespaceKeyFunc(ctx, EtcdPrefix, name)
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) {
			return obj.(*api.OAuthAccessToken).Name, nil
		},
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return oauthaccesstoken.Matcher(label, field)
		},
		TTLFunc: func(obj runtime.Object, existing uint64, update bool) (uint64, error) {
			token := obj.(*api.OAuthAccessToken)
			expires := uint64(token.ExpiresIn)
			return expires, nil
		},
		QualifiedResource: api.Resource("oauthaccesstokens"),

		CreateStrategy: strategy,
		UpdateStrategy: strategy,
	}

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

	if len(backends) > 0 {
		// Build identical stores that talk to a single etcd, so we can verify the token is distributed after creation
		watchers := []rest.Watcher{}
		for i := range backends {
			watcher := *store
			watcher.Storage = backends[i]
			watchers = append(watchers, &watcher)
		}
		// Observe the cluster for the particular resource version, requiring at least one backend to succeed
		observer := observe.NewClusterObserver(store.Storage.Versioner(), watchers, 1)
		// After creation, wait for the new token to propagate
		store.AfterCreate = func(obj runtime.Object) error {
			return observer.ObserveResourceVersion(obj.(*api.OAuthAccessToken).ResourceVersion, 5*time.Second)
		}
	}

	return &REST{store}, nil
}