move category expansion out of restmapper

This commit is contained in:
deads2k
2017-03-24 08:02:10 -04:00
parent f4986235c7
commit 8895f314b4
51 changed files with 298 additions and 245 deletions

View File

@@ -12,6 +12,7 @@ go_library(
name = "go_default_library",
srcs = [
"builder.go",
"categories.go",
"doc.go",
"helper.go",
"interfaces.go",
@@ -40,6 +41,7 @@ go_library(
"//vendor:k8s.io/apimachinery/pkg/util/sets",
"//vendor:k8s.io/apimachinery/pkg/util/yaml",
"//vendor:k8s.io/apimachinery/pkg/watch",
"//vendor:k8s.io/client-go/discovery",
"//vendor:k8s.io/client-go/rest",
],
)
@@ -48,6 +50,7 @@ go_test(
name = "go_default_test",
srcs = [
"builder_test.go",
"categories_test.go",
"helper_test.go",
"visitor_test.go",
],
@@ -72,6 +75,7 @@ go_test(
"//vendor:k8s.io/apimachinery/pkg/apis/meta/v1",
"//vendor:k8s.io/apimachinery/pkg/labels",
"//vendor:k8s.io/apimachinery/pkg/runtime",
"//vendor:k8s.io/apimachinery/pkg/runtime/schema",
"//vendor:k8s.io/apimachinery/pkg/runtime/serializer/streaming",
"//vendor:k8s.io/apimachinery/pkg/util/errors",
"//vendor:k8s.io/apimachinery/pkg/watch",

View File

@@ -42,7 +42,8 @@ const defaultHttpGetAttempts int = 3
// from the command line and converting them to a list of resources to iterate
// over using the Visitor interface.
type Builder struct {
mapper *Mapper
mapper *Mapper
categoryExpander CategoryExpander
errs []error
@@ -105,10 +106,11 @@ type resourceTuple struct {
}
// NewBuilder creates a builder that operates on generic objects.
func NewBuilder(mapper meta.RESTMapper, typer runtime.ObjectTyper, clientMapper ClientMapper, decoder runtime.Decoder) *Builder {
func NewBuilder(mapper meta.RESTMapper, categoryExpander CategoryExpander, typer runtime.ObjectTyper, clientMapper ClientMapper, decoder runtime.Decoder) *Builder {
return &Builder{
mapper: &Mapper{typer, mapper, clientMapper, decoder},
requireObject: true,
mapper: &Mapper{typer, mapper, clientMapper, decoder},
categoryExpander: categoryExpander,
requireObject: true,
}
}
@@ -371,8 +373,16 @@ func (b *Builder) ResourceTypeOrNameArgs(allowEmptySelector bool, args ...string
func (b *Builder) ReplaceAliases(input string) string {
replaced := []string{}
for _, arg := range strings.Split(input, ",") {
if aliases, ok := b.mapper.AliasesForResource(arg); ok {
arg = strings.Join(aliases, ",")
if resources, ok := b.categoryExpander.Expand(arg); ok {
asStrings := []string{}
for _, resource := range resources {
if len(resource.Group) == 0 {
asStrings = append(asStrings, resource.Resource)
continue
}
asStrings = append(asStrings, resource.Resource+"."+resource.Group)
}
arg = strings.Join(asStrings, ",")
}
replaced = append(replaced, arg)
}

View File

@@ -255,7 +255,7 @@ var aRC string = `
`
func TestPathBuilderAndVersionedObjectNotDefaulted(t *testing.T) {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../test/fixtures/pkg/kubectl/builder/kitten-rc.yaml"}})
test := &testVisitor{}
@@ -294,7 +294,7 @@ func TestNodeBuilder(t *testing.T) {
w.Write([]byte(runtime.EncodeOrDie(testapi.Default.Codec(), node)))
}()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").Stream(r, "STDIN")
test := &testVisitor{}
@@ -358,7 +358,7 @@ func TestPathBuilderWithMultiple(t *testing.T) {
}
for _, test := range tests {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: test.recursive, Filenames: []string{test.directory}}).
NamespaceParam("test").DefaultNamespace()
@@ -417,7 +417,7 @@ func TestPathBuilderWithMultipleInvalid(t *testing.T) {
}
for _, test := range tests {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: test.recursive, Filenames: []string{test.directory}}).
NamespaceParam("test").DefaultNamespace()
@@ -432,7 +432,7 @@ func TestPathBuilderWithMultipleInvalid(t *testing.T) {
}
func TestDirectoryBuilder(t *testing.T) {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../examples/guestbook/legacy"}}).
NamespaceParam("test").DefaultNamespace()
@@ -463,7 +463,7 @@ func TestNamespaceOverride(t *testing.T) {
}))
defer s.Close()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{s.URL}}).
NamespaceParam("test")
@@ -474,7 +474,7 @@ func TestNamespaceOverride(t *testing.T) {
t.Fatalf("unexpected response: %v %#v", err, test.Infos)
}
b = NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b = NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(true, &FilenameOptions{Recursive: false, Filenames: []string{s.URL}}).
NamespaceParam("test")
@@ -494,7 +494,7 @@ func TestURLBuilder(t *testing.T) {
}))
defer s.Close()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{s.URL}}).
NamespaceParam("foo")
@@ -523,7 +523,7 @@ func TestURLBuilderRequireNamespace(t *testing.T) {
}))
defer s.Close()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{s.URL}}).
NamespaceParam("test").RequireNamespace()
@@ -538,7 +538,7 @@ func TestURLBuilderRequireNamespace(t *testing.T) {
func TestResourceByName(t *testing.T) {
pods, _ := testData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods/foo": runtime.EncodeOrDie(testapi.Default.Codec(), &pods.Items[0]),
}), testapi.Default.Codec()).
NamespaceParam("test")
@@ -571,7 +571,7 @@ func TestResourceByName(t *testing.T) {
func TestMultipleResourceByTheSameName(t *testing.T) {
pods, svcs := testData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods/foo": runtime.EncodeOrDie(testapi.Default.Codec(), &pods.Items[0]),
"/namespaces/test/pods/baz": runtime.EncodeOrDie(testapi.Default.Codec(), &pods.Items[1]),
"/namespaces/test/services/foo": runtime.EncodeOrDie(testapi.Default.Codec(), &svcs.Items[0]),
@@ -603,7 +603,7 @@ func TestMultipleResourceByTheSameName(t *testing.T) {
func TestResourceNames(t *testing.T) {
pods, svc := testData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods/foo": runtime.EncodeOrDie(testapi.Default.Codec(), &pods.Items[0]),
"/namespaces/test/services/baz": runtime.EncodeOrDie(testapi.Default.Codec(), &svc.Items[0]),
}), testapi.Default.Codec()).
@@ -631,7 +631,7 @@ func TestResourceNames(t *testing.T) {
func TestResourceNamesWithoutResource(t *testing.T) {
pods, svc := testData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods/foo": runtime.EncodeOrDie(testapi.Default.Codec(), &pods.Items[0]),
"/namespaces/test/services/baz": runtime.EncodeOrDie(testapi.Default.Codec(), &svc.Items[0]),
}), testapi.Default.Codec()).
@@ -652,7 +652,7 @@ func TestResourceNamesWithoutResource(t *testing.T) {
}
func TestResourceByNameWithoutRequireObject(t *testing.T) {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{}), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{}), testapi.Default.Codec()).
NamespaceParam("test")
test := &testVisitor{}
@@ -686,7 +686,7 @@ func TestResourceByNameWithoutRequireObject(t *testing.T) {
func TestResourceByNameAndEmptySelector(t *testing.T) {
pods, _ := testData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods/foo": runtime.EncodeOrDie(testapi.Default.Codec(), &pods.Items[0]),
}), testapi.Default.Codec()).
NamespaceParam("test").
@@ -714,7 +714,7 @@ func TestResourceByNameAndEmptySelector(t *testing.T) {
func TestSelector(t *testing.T) {
pods, svc := testData()
labelKey := metav1.LabelSelectorQueryParam(api.Registry.GroupOrDie(api.GroupName).GroupVersion.String())
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods?" + labelKey + "=a%3Db": runtime.EncodeOrDie(testapi.Default.Codec(), pods),
"/namespaces/test/services?" + labelKey + "=a%3Db": runtime.EncodeOrDie(testapi.Default.Codec(), svc),
}), testapi.Default.Codec()).
@@ -745,7 +745,7 @@ func TestSelector(t *testing.T) {
}
func TestSelectorRequiresKnownTypes(t *testing.T) {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
SelectorParam("a=b").
NamespaceParam("test").
ResourceTypes("unknown")
@@ -756,7 +756,7 @@ func TestSelectorRequiresKnownTypes(t *testing.T) {
}
func TestSingleResourceType(t *testing.T) {
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
SelectorParam("a=b").
SingleResourceType().
ResourceTypeOrNameArgs(true, "pods,services")
@@ -826,7 +826,7 @@ func TestResourceTuple(t *testing.T) {
}
}
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith(k, t, expectedRequests), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith(k, t, expectedRequests), testapi.Default.Codec()).
NamespaceParam("test").DefaultNamespace().
ResourceTypeOrNameArgs(true, testCase.args...).RequireObject(requireObject)
@@ -857,7 +857,7 @@ func TestResourceTuple(t *testing.T) {
func TestStream(t *testing.T) {
r, pods, rc := streamTestData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").Stream(r, "STDIN").Flatten()
test := &testVisitor{}
@@ -874,7 +874,7 @@ func TestStream(t *testing.T) {
func TestYAMLStream(t *testing.T) {
r, pods, rc := streamYAMLTestData()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").Stream(r, "STDIN").Flatten()
test := &testVisitor{}
@@ -891,7 +891,7 @@ func TestYAMLStream(t *testing.T) {
func TestMultipleObject(t *testing.T) {
r, pods, svc := streamTestData()
obj, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
obj, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").Stream(r, "STDIN").Flatten().
Do().Object()
@@ -913,7 +913,7 @@ func TestMultipleObject(t *testing.T) {
func TestContinueOnErrorVisitor(t *testing.T) {
r, _, _ := streamTestData()
req := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
req := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
ContinueOnError().
NamespaceParam("test").Stream(r, "STDIN").Flatten().
Do()
@@ -942,7 +942,7 @@ func TestContinueOnErrorVisitor(t *testing.T) {
}
func TestSingleItemImpliedObject(t *testing.T) {
obj, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
obj, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").DefaultNamespace().
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../examples/guestbook/legacy/redis-master-controller.yaml"}}).
Flatten().
@@ -962,7 +962,7 @@ func TestSingleItemImpliedObject(t *testing.T) {
}
func TestSingleItemImpliedObjectNoExtension(t *testing.T) {
obj, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
obj, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").DefaultNamespace().
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../examples/pod"}}).
Flatten().
@@ -984,7 +984,7 @@ func TestSingleItemImpliedObjectNoExtension(t *testing.T) {
func TestSingleItemImpliedRootScopedObject(t *testing.T) {
node := &api.Node{ObjectMeta: metav1.ObjectMeta{Name: "test"}, Spec: api.NodeSpec{ExternalID: "test"}}
r := streamTestObject(node)
infos, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
infos, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").DefaultNamespace().
Stream(r, "STDIN").
Flatten().
@@ -1009,7 +1009,7 @@ func TestSingleItemImpliedRootScopedObject(t *testing.T) {
func TestListObject(t *testing.T) {
pods, _ := testData()
labelKey := metav1.LabelSelectorQueryParam(api.Registry.GroupOrDie(api.GroupName).GroupVersion.String())
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods?" + labelKey + "=a%3Db": runtime.EncodeOrDie(testapi.Default.Codec(), pods),
}), testapi.Default.Codec()).
SelectorParam("a=b").
@@ -1042,7 +1042,7 @@ func TestListObject(t *testing.T) {
func TestListObjectWithDifferentVersions(t *testing.T) {
pods, svc := testData()
labelKey := metav1.LabelSelectorQueryParam(api.Registry.GroupOrDie(api.GroupName).GroupVersion.String())
obj, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
obj, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods?" + labelKey + "=a%3Db": runtime.EncodeOrDie(testapi.Default.Codec(), pods),
"/namespaces/test/services?" + labelKey + "=a%3Db": runtime.EncodeOrDie(testapi.Default.Codec(), svc),
}), testapi.Default.Codec()).
@@ -1068,7 +1068,7 @@ func TestListObjectWithDifferentVersions(t *testing.T) {
func TestWatch(t *testing.T) {
_, svc := testData()
w, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
w, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/services?fieldSelector=metadata.name%3Dredis-master&resourceVersion=12&watch=true": watchBody(watch.Event{
Type: watch.Added,
Object: &svc.Items[0],
@@ -1100,7 +1100,7 @@ func TestWatch(t *testing.T) {
}
func TestWatchMultipleError(t *testing.T) {
_, err := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
_, err := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
NamespaceParam("test").DefaultNamespace().
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../examples/guestbook/legacy/redis-master-controller.yaml"}}).Flatten().
FilenameParam(false, &FilenameOptions{Recursive: false, Filenames: []string{"../../../examples/guestbook/legacy/redis-master-controller.yaml"}}).Flatten().
@@ -1123,7 +1123,7 @@ func TestLatest(t *testing.T) {
ObjectMeta: metav1.ObjectMeta{Name: "baz", Namespace: "test", ResourceVersion: "15"},
}
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClientWith("", t, map[string]string{
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClientWith("", t, map[string]string{
"/namespaces/test/pods/foo": runtime.EncodeOrDie(testapi.Default.Codec(), newPod),
"/namespaces/test/pods/bar": runtime.EncodeOrDie(testapi.Default.Codec(), newPod2),
"/namespaces/test/services/baz": runtime.EncodeOrDie(testapi.Default.Codec(), newSvc),
@@ -1159,7 +1159,7 @@ func TestReceiveMultipleErrors(t *testing.T) {
w2.Write([]byte(runtime.EncodeOrDie(testapi.Default.Codec(), &svc.Items[0])))
}()
b := NewBuilder(testapi.Default.RESTMapper(), api.Scheme, fakeClient(), testapi.Default.Codec()).
b := NewBuilder(testapi.Default.RESTMapper(), LegacyCategoryExpander, api.Scheme, fakeClient(), testapi.Default.Codec()).
Stream(r, "1").Stream(r2, "2").
ContinueOnError()

View File

@@ -0,0 +1,109 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package resource
import (
"errors"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/discovery"
)
type CategoryExpander interface {
Expand(category string) ([]schema.GroupResource, bool)
}
type SimpleCategoryExpander struct {
Expansions map[string][]schema.GroupResource
}
func (e SimpleCategoryExpander) Expand(category string) ([]schema.GroupResource, bool) {
ret, ok := e.Expansions[category]
return ret, ok
}
type discoveryFilteredExpander struct {
delegate CategoryExpander
discoveryClient discovery.DiscoveryInterface
}
// NewDiscoveryFilteredExpander returns a category expander that filters the returned groupresources by
// what the server has available
func NewDiscoveryFilteredExpander(delegate CategoryExpander, client discovery.DiscoveryInterface) (discoveryFilteredExpander, error) {
if client == nil {
return discoveryFilteredExpander{}, errors.New("Please provide discovery client to shortcut expander")
}
return discoveryFilteredExpander{delegate: delegate, discoveryClient: client}, nil
}
func (e discoveryFilteredExpander) Expand(category string) ([]schema.GroupResource, bool) {
delegateExpansion, ok := e.delegate.Expand(category)
// Check if we have access to server resources
apiResources, err := e.discoveryClient.ServerResources()
if err != nil {
return delegateExpansion, ok
}
availableResources, err := discovery.GroupVersionResources(apiResources)
if err != nil {
return delegateExpansion, ok
}
available := []schema.GroupResource{}
for _, requestedResource := range delegateExpansion {
for availableResource := range availableResources {
if requestedResource.Group == availableResource.Group &&
requestedResource.Resource == availableResource.Resource {
available = append(available, requestedResource)
break
}
}
}
return available, ok
}
// legacyUserResources are the resource names that apply to the primary, user facing resources used by
// client tools. They are in deletion-first order - dependent resources should be last.
// Should remain exported in order to expose a current list of resources to downstream
// composition that wants to build on the concept of 'all' for their CLIs.
var legacyUserResources = []schema.GroupResource{
{Group: "", Resource: "pods"},
{Group: "", Resource: "replicationcontrollers"},
{Group: "", Resource: "services"},
{Group: "apps", Resource: "statefulsets"},
{Group: "autoscaling", Resource: "horizontalpodautoscalers"},
{Group: "batch", Resource: "jobs"},
{Group: "extensions", Resource: "deployments"},
{Group: "extensions", Resource: "replicasets"},
}
// LegacyCategoryExpander is the old hardcoded expansion
var LegacyCategoryExpander CategoryExpander = SimpleCategoryExpander{
Expansions: map[string][]schema.GroupResource{
"all": legacyUserResources,
},
}
// LegacyFederationCategoryExpander is the old hardcoded expansion for federation
var LegacyFederationCategoryExpander CategoryExpander = SimpleCategoryExpander{
Expansions: map[string][]schema.GroupResource{
"all": {{Group: "", Resource: "services"}},
},
}

View File

@@ -0,0 +1,65 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package resource
import (
"reflect"
"testing"
"k8s.io/apimachinery/pkg/runtime/schema"
)
func TestCategoryExpansion(t *testing.T) {
tests := []struct {
name string
arg string
expected []schema.GroupResource
expectedOk bool
}{
{
name: "no-replacement",
arg: "service",
expected: nil,
},
{
name: "all-replacement",
arg: "all",
expected: []schema.GroupResource{
{Resource: "pods"},
{Resource: "replicationcontrollers"},
{Resource: "services"},
{Resource: "statefulsets", Group: "apps"},
{Resource: "horizontalpodautoscalers", Group: "autoscaling"},
{Resource: "jobs", Group: "batch"},
{Resource: "deployments", Group: "extensions"},
{Resource: "replicasets", Group: "extensions"},
},
expectedOk: true,
},
}
for _, test := range tests {
actual, actualOk := LegacyCategoryExpander.Expand(test.arg)
if e, a := test.expected, actual; !reflect.DeepEqual(e, a) {
t.Errorf("%s: expected %s, got %s", test.name, e, a)
}
if e, a := test.expectedOk, actualOk; e != a {
t.Errorf("%s: expected %v, got %v", test.name, e, a)
}
}
}