// ServerGroups returns the supported groups, with information like supported versions and the
// preferred version.
func (d *DiscoveryClient) ServerGroups() (apiGroupList *unversioned.APIGroupList, err error) {
// Get the groupVersions exposed at /api
v := &unversioned.APIVersions{}
err = d.Get().AbsPath("/api").Do().Into(v)
apiGroup := unversioned.APIGroup{}
if err == nil {
apiGroup = apiVersionsToAPIGroup(v)
}
if err != nil && !errors.IsNotFound(err) && !errors.IsForbidden(err) {
return nil, err
}
// Get the groupVersions exposed at /apis
apiGroupList = &unversioned.APIGroupList{}
err = d.Get().AbsPath("/apis").Do().Into(apiGroupList)
if err != nil && !errors.IsNotFound(err) && !errors.IsForbidden(err) {
return nil, err
}
// to be compatible with a v1.0 server, if it's a 403 or 404, ignore and return whatever we got from /api
if err != nil && (errors.IsNotFound(err) || errors.IsForbidden(err)) {
apiGroupList = &unversioned.APIGroupList{}
}
// append the group retrieved from /api to the list
apiGroupList.Groups = append(apiGroupList.Groups, apiGroup)
return apiGroupList, nil
}
func doServiceAccountAPIRequests(t *testing.T, c *client.Client, ns string, authenticated bool, canRead bool, canWrite bool) {
testSecret := &api.Secret{
ObjectMeta: api.ObjectMeta{Name: "testSecret"},
Data: map[string][]byte{"test": []byte("data")},
}
readOps := []testOperation{
func() error { _, err := c.Secrets(ns).List(labels.Everything(), fields.Everything()); return err },
func() error { _, err := c.Pods(ns).List(labels.Everything(), fields.Everything()); return err },
}
writeOps := []testOperation{
func() error { _, err := c.Secrets(ns).Create(testSecret); return err },
func() error { return c.Secrets(ns).Delete(testSecret.Name) },
}
for _, op := range readOps {
err := op()
unauthorizedError := errors.IsUnauthorized(err)
forbiddenError := errors.IsForbidden(err)
switch {
case !authenticated && !unauthorizedError:
t.Fatalf("expected unauthorized error, got %v", err)
case authenticated && unauthorizedError:
t.Fatalf("unexpected unauthorized error: %v", err)
case authenticated && canRead && forbiddenError:
t.Fatalf("unexpected forbidden error: %v", err)
case authenticated && !canRead && !forbiddenError:
t.Fatalf("expected forbidden error, got: %v", err)
}
}
for _, op := range writeOps {
err := op()
unauthorizedError := errors.IsUnauthorized(err)
forbiddenError := errors.IsForbidden(err)
switch {
case !authenticated && !unauthorizedError:
t.Fatalf("expected unauthorized error, got %v", err)
case authenticated && unauthorizedError:
t.Fatalf("unexpected unauthorized error: %v", err)
case authenticated && canWrite && forbiddenError:
t.Fatalf("unexpected forbidden error: %v", err)
case authenticated && !canWrite && !forbiddenError:
t.Fatalf("expected forbidden error, got: %v", err)
}
}
}
// NewForbidden is a utility function to return a well-formatted admission control error response
func NewForbidden(a Attributes, internalError error) error {
// do not double wrap an error of same type
if apierrors.IsForbidden(internalError) {
return internalError
}
name, kind, err := extractKindName(a)
if err != nil {
return apierrors.NewInternalError(errs.NewAggregate([]error{internalError, err}))
}
return apierrors.NewForbidden(kind, name, internalError)
}
// ServerResourcesForGroupVersion returns the supported resources for a group and version.
func (d *DiscoveryClient) ServerResourcesForGroupVersion(groupVersion string) (resources *unversioned.APIResourceList, err error) {
url := url.URL{}
if groupVersion == "v1" {
url.Path = "/api/" + groupVersion
} else {
url.Path = "/apis/" + groupVersion
}
resources = &unversioned.APIResourceList{}
err = d.Get().AbsPath(url.String()).Do().Into(resources)
if err != nil {
// ignore 403 or 404 error to be compatible with an v1.0 server.
if groupVersion == "v1" && (errors.IsNotFound(err) || errors.IsForbidden(err)) {
return resources, nil
} else {
return nil, err
}
}
return resources, nil
}
func TestErrors(t *testing.T) {
o := NewObjects(api.Scheme, api.Scheme)
o.Add(&api.List{
Items: []runtime.Object{
// This first call to List will return this error
&(errors.NewNotFound("ServiceList", "").(*errors.StatusError).ErrStatus),
// The second call to List will return this error
&(errors.NewForbidden("ServiceList", "", nil).(*errors.StatusError).ErrStatus),
},
})
client := &Fake{}
client.AddReactor("*", "*", ObjectReaction(o, testapi.Default.RESTMapper()))
_, err := client.Services("test").List(labels.Everything(), fields.Everything())
if !errors.IsNotFound(err) {
t.Fatalf("unexpected error: %v", err)
}
t.Logf("error: %#v", err.(*errors.StatusError).Status())
_, err = client.Services("test").List(labels.Everything(), fields.Everything())
if !errors.IsForbidden(err) {
t.Fatalf("unexpected error: %v", err)
}
}
func TestRequestWatch(t *testing.T) {
testCases := []struct {
Request *Request
Err bool
ErrFn func(error) bool
Empty bool
}{
{
Request: &Request{err: errors.New("bail")},
Err: true,
},
{
Request: &Request{baseURL: &url.URL{}, path: "%"},
Err: true,
},
{
Request: &Request{
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, errors.New("err")
}),
baseURL: &url.URL{},
},
Err: true,
},
{
Request: &Request{
codec: testapi.Default.Codec(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return &http.Response{StatusCode: http.StatusForbidden}, nil
}),
baseURL: &url.URL{},
},
Err: true,
ErrFn: func(err error) bool {
return apierrors.IsForbidden(err)
},
},
{
Request: &Request{
codec: testapi.Default.Codec(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return &http.Response{StatusCode: http.StatusUnauthorized}, nil
}),
baseURL: &url.URL{},
},
Err: true,
ErrFn: func(err error) bool {
return apierrors.IsUnauthorized(err)
},
},
{
Request: &Request{
codec: testapi.Default.Codec(),
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return &http.Response{
StatusCode: http.StatusUnauthorized,
Body: ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(testapi.Default.Codec(), &unversioned.Status{
Status: unversioned.StatusFailure,
Reason: unversioned.StatusReasonUnauthorized,
})))),
}, nil
}),
baseURL: &url.URL{},
},
Err: true,
ErrFn: func(err error) bool {
return apierrors.IsUnauthorized(err)
},
},
{
Request: &Request{
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, io.EOF
}),
baseURL: &url.URL{},
},
Empty: true,
},
{
Request: &Request{
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, &url.Error{Err: io.EOF}
}),
baseURL: &url.URL{},
},
Empty: true,
},
{
Request: &Request{
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, errors.New("http: can't write HTTP request on broken connection")
}),
baseURL: &url.URL{},
},
Empty: true,
},
{
Request: &Request{
client: clientFunc(func(req *http.Request) (*http.Response, error) {
return nil, errors.New("foo: connection reset by peer")
}),
baseURL: &url.URL{},
},
Empty: true,
},
}
for i, testCase := range testCases {
watch, err := testCase.Request.Watch()
hasErr := err != nil
if hasErr != testCase.Err {
t.Errorf("%d: expected %t, got %t: %v", i, testCase.Err, hasErr, err)
continue
}
if testCase.ErrFn != nil && !testCase.ErrFn(err) {
t.Errorf("%d: error not valid: %v", i, err)
}
if hasErr && watch != nil {
t.Errorf("%d: watch should be nil when error is returned", i)
continue
}
if testCase.Empty {
_, ok := <-watch.ResultChan()
if ok {
t.Errorf("%d: expected the watch to be empty: %#v", i, watch)
}
}
}
}