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chore: update docker and k8s

This commit is contained in:
Ludovic Fernandez 2019-08-05 18:24:03 +02:00 committed by Traefiker Bot
parent 2b5c7f9e91
commit c2d440a914
1283 changed files with 67741 additions and 27918 deletions

View file

@ -1,282 +0,0 @@
/*
Copyright 2016 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 discovery
import (
"errors"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"sync"
"time"
"github.com/golang/glog"
"github.com/googleapis/gnostic/OpenAPIv2"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/version"
"k8s.io/client-go/kubernetes/scheme"
restclient "k8s.io/client-go/rest"
)
// CachedDiscoveryClient implements the functions that discovery server-supported API groups,
// versions and resources.
type CachedDiscoveryClient struct {
delegate DiscoveryInterface
// cacheDirectory is the directory where discovery docs are held. It must be unique per host:port combination to work well.
cacheDirectory string
// ttl is how long the cache should be considered valid
ttl time.Duration
// mutex protects the variables below
mutex sync.Mutex
// ourFiles are all filenames of cache files created by this process
ourFiles map[string]struct{}
// invalidated is true if all cache files should be ignored that are not ours (e.g. after Invalidate() was called)
invalidated bool
// fresh is true if all used cache files were ours
fresh bool
}
var _ CachedDiscoveryInterface = &CachedDiscoveryClient{}
// ServerResourcesForGroupVersion returns the supported resources for a group and version.
func (d *CachedDiscoveryClient) ServerResourcesForGroupVersion(groupVersion string) (*metav1.APIResourceList, error) {
filename := filepath.Join(d.cacheDirectory, groupVersion, "serverresources.json")
cachedBytes, err := d.getCachedFile(filename)
// don't fail on errors, we either don't have a file or won't be able to run the cached check. Either way we can fallback.
if err == nil {
cachedResources := &metav1.APIResourceList{}
if err := runtime.DecodeInto(scheme.Codecs.UniversalDecoder(), cachedBytes, cachedResources); err == nil {
glog.V(10).Infof("returning cached discovery info from %v", filename)
return cachedResources, nil
}
}
liveResources, err := d.delegate.ServerResourcesForGroupVersion(groupVersion)
if err != nil {
glog.V(3).Infof("skipped caching discovery info due to %v", err)
return liveResources, err
}
if liveResources == nil || len(liveResources.APIResources) == 0 {
glog.V(3).Infof("skipped caching discovery info, no resources found")
return liveResources, err
}
if err := d.writeCachedFile(filename, liveResources); err != nil {
glog.V(3).Infof("failed to write cache to %v due to %v", filename, err)
}
return liveResources, nil
}
// ServerResources returns the supported resources for all groups and versions.
func (d *CachedDiscoveryClient) ServerResources() ([]*metav1.APIResourceList, error) {
return ServerResources(d)
}
func (d *CachedDiscoveryClient) ServerGroups() (*metav1.APIGroupList, error) {
filename := filepath.Join(d.cacheDirectory, "servergroups.json")
cachedBytes, err := d.getCachedFile(filename)
// don't fail on errors, we either don't have a file or won't be able to run the cached check. Either way we can fallback.
if err == nil {
cachedGroups := &metav1.APIGroupList{}
if err := runtime.DecodeInto(scheme.Codecs.UniversalDecoder(), cachedBytes, cachedGroups); err == nil {
glog.V(10).Infof("returning cached discovery info from %v", filename)
return cachedGroups, nil
}
}
liveGroups, err := d.delegate.ServerGroups()
if err != nil {
glog.V(3).Infof("skipped caching discovery info due to %v", err)
return liveGroups, err
}
if liveGroups == nil || len(liveGroups.Groups) == 0 {
glog.V(3).Infof("skipped caching discovery info, no groups found")
return liveGroups, err
}
if err := d.writeCachedFile(filename, liveGroups); err != nil {
glog.V(3).Infof("failed to write cache to %v due to %v", filename, err)
}
return liveGroups, nil
}
func (d *CachedDiscoveryClient) getCachedFile(filename string) ([]byte, error) {
// after invalidation ignore cache files not created by this process
d.mutex.Lock()
_, ourFile := d.ourFiles[filename]
if d.invalidated && !ourFile {
d.mutex.Unlock()
return nil, errors.New("cache invalidated")
}
d.mutex.Unlock()
file, err := os.Open(filename)
if err != nil {
return nil, err
}
defer file.Close()
fileInfo, err := file.Stat()
if err != nil {
return nil, err
}
if time.Now().After(fileInfo.ModTime().Add(d.ttl)) {
return nil, errors.New("cache expired")
}
// the cache is present and its valid. Try to read and use it.
cachedBytes, err := ioutil.ReadAll(file)
if err != nil {
return nil, err
}
d.mutex.Lock()
defer d.mutex.Unlock()
d.fresh = d.fresh && ourFile
return cachedBytes, nil
}
func (d *CachedDiscoveryClient) writeCachedFile(filename string, obj runtime.Object) error {
if err := os.MkdirAll(filepath.Dir(filename), 0755); err != nil {
return err
}
bytes, err := runtime.Encode(scheme.Codecs.LegacyCodec(), obj)
if err != nil {
return err
}
f, err := ioutil.TempFile(filepath.Dir(filename), filepath.Base(filename)+".")
if err != nil {
return err
}
defer os.Remove(f.Name())
_, err = f.Write(bytes)
if err != nil {
return err
}
err = os.Chmod(f.Name(), 0755)
if err != nil {
return err
}
name := f.Name()
err = f.Close()
if err != nil {
return err
}
// atomic rename
d.mutex.Lock()
defer d.mutex.Unlock()
err = os.Rename(name, filename)
if err == nil {
d.ourFiles[filename] = struct{}{}
}
return err
}
func (d *CachedDiscoveryClient) RESTClient() restclient.Interface {
return d.delegate.RESTClient()
}
func (d *CachedDiscoveryClient) ServerPreferredResources() ([]*metav1.APIResourceList, error) {
return ServerPreferredResources(d)
}
func (d *CachedDiscoveryClient) ServerPreferredNamespacedResources() ([]*metav1.APIResourceList, error) {
return ServerPreferredNamespacedResources(d)
}
func (d *CachedDiscoveryClient) ServerVersion() (*version.Info, error) {
return d.delegate.ServerVersion()
}
func (d *CachedDiscoveryClient) OpenAPISchema() (*openapi_v2.Document, error) {
return d.delegate.OpenAPISchema()
}
func (d *CachedDiscoveryClient) Fresh() bool {
d.mutex.Lock()
defer d.mutex.Unlock()
return d.fresh
}
func (d *CachedDiscoveryClient) Invalidate() {
d.mutex.Lock()
defer d.mutex.Unlock()
d.ourFiles = map[string]struct{}{}
d.fresh = true
d.invalidated = true
}
// NewCachedDiscoveryClientForConfig creates a new DiscoveryClient for the given config, and wraps
// the created client in a CachedDiscoveryClient. The provided configuration is updated with a
// custom transport that understands cache responses.
// We receive two distinct cache directories for now, in order to preserve old behavior
// which makes use of the --cache-dir flag value for storing cache data from the CacheRoundTripper,
// and makes use of the hardcoded destination (~/.kube/cache/discovery/...) for storing
// CachedDiscoveryClient cache data. If httpCacheDir is empty, the restconfig's transport will not
// be updated with a roundtripper that understands cache responses.
// If discoveryCacheDir is empty, cached server resource data will be looked up in the current directory.
// TODO(juanvallejo): the value of "--cache-dir" should be honored. Consolidate discoveryCacheDir with httpCacheDir
// so that server resources and http-cache data are stored in the same location, provided via config flags.
func NewCachedDiscoveryClientForConfig(config *restclient.Config, discoveryCacheDir, httpCacheDir string, ttl time.Duration) (*CachedDiscoveryClient, error) {
if len(httpCacheDir) > 0 {
// update the given restconfig with a custom roundtripper that
// understands how to handle cache responses.
wt := config.WrapTransport
config.WrapTransport = func(rt http.RoundTripper) http.RoundTripper {
if wt != nil {
rt = wt(rt)
}
return newCacheRoundTripper(httpCacheDir, rt)
}
}
discoveryClient, err := NewDiscoveryClientForConfig(config)
if err != nil {
return nil, err
}
return newCachedDiscoveryClient(discoveryClient, discoveryCacheDir, ttl), nil
}
// NewCachedDiscoveryClient creates a new DiscoveryClient. cacheDirectory is the directory where discovery docs are held. It must be unique per host:port combination to work well.
func newCachedDiscoveryClient(delegate DiscoveryInterface, cacheDirectory string, ttl time.Duration) *CachedDiscoveryClient {
return &CachedDiscoveryClient{
delegate: delegate,
cacheDirectory: cacheDirectory,
ttl: ttl,
ourFiles: map[string]struct{}{},
fresh: true,
}
}

View file

@ -26,7 +26,7 @@ import (
"time"
"github.com/golang/protobuf/proto"
"github.com/googleapis/gnostic/OpenAPIv2"
openapi_v2 "github.com/googleapis/gnostic/OpenAPIv2"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@ -60,6 +60,9 @@ type DiscoveryInterface interface {
}
// CachedDiscoveryInterface is a DiscoveryInterface with cache invalidation and freshness.
// Note that If the ServerResourcesForGroupVersion method returns a cache miss
// error, the user needs to explicitly call Invalidate to clear the cache,
// otherwise the same cache miss error will be returned next time.
type CachedDiscoveryInterface interface {
DiscoveryInterface
// Fresh is supposed to tell the caller whether or not to retry if the cache
@ -68,7 +71,8 @@ type CachedDiscoveryInterface interface {
// TODO: this needs to be revisited, this interface can't be locked properly
// and doesn't make a lot of sense.
Fresh() bool
// Invalidate enforces that no cached data is used in the future that is older than the current time.
// Invalidate enforces that no cached data that is older than the current time
// is used.
Invalidate()
}
@ -84,12 +88,28 @@ type ServerResourcesInterface interface {
// ServerResourcesForGroupVersion returns the supported resources for a group and version.
ServerResourcesForGroupVersion(groupVersion string) (*metav1.APIResourceList, error)
// ServerResources returns the supported resources for all groups and versions.
//
// The returned resource list might be non-nil with partial results even in the case of
// non-nil error.
//
// Deprecated: use ServerGroupsAndResources instead.
ServerResources() ([]*metav1.APIResourceList, error)
// ServerResources returns the supported groups and resources for all groups and versions.
//
// The returned group and resource lists might be non-nil with partial results even in the
// case of non-nil error.
ServerGroupsAndResources() ([]*metav1.APIGroup, []*metav1.APIResourceList, error)
// ServerPreferredResources returns the supported resources with the version preferred by the
// server.
//
// The returned group and resource lists might be non-nil with partial results even in the
// case of non-nil error.
ServerPreferredResources() ([]*metav1.APIResourceList, error)
// ServerPreferredNamespacedResources returns the supported namespaced resources with the
// version preferred by the server.
//
// The returned resource list might be non-nil with partial results even in the case of
// non-nil error.
ServerPreferredNamespacedResources() ([]*metav1.APIResourceList, error)
}
@ -187,14 +207,18 @@ func (d *DiscoveryClient) ServerResourcesForGroupVersion(groupVersion string) (r
return resources, nil
}
// serverResources returns the supported resources for all groups and versions.
func (d *DiscoveryClient) serverResources() ([]*metav1.APIResourceList, error) {
return ServerResources(d)
// ServerResources returns the supported resources for all groups and versions.
// Deprecated: use ServerGroupsAndResources instead.
func (d *DiscoveryClient) ServerResources() ([]*metav1.APIResourceList, error) {
_, rs, err := d.ServerGroupsAndResources()
return rs, err
}
// ServerResources returns the supported resources for all groups and versions.
func (d *DiscoveryClient) ServerResources() ([]*metav1.APIResourceList, error) {
return withRetries(defaultRetries, d.serverResources)
// ServerGroupsAndResources returns the supported resources for all groups and versions.
func (d *DiscoveryClient) ServerGroupsAndResources() ([]*metav1.APIGroup, []*metav1.APIResourceList, error) {
return withRetries(defaultRetries, func() ([]*metav1.APIGroup, []*metav1.APIResourceList, error) {
return ServerGroupsAndResources(d)
})
}
// ErrGroupDiscoveryFailed is returned if one or more API groups fail to load.
@ -220,23 +244,28 @@ func IsGroupDiscoveryFailedError(err error) bool {
return err != nil && ok
}
// serverPreferredResources returns the supported resources with the version preferred by the server.
func (d *DiscoveryClient) serverPreferredResources() ([]*metav1.APIResourceList, error) {
return ServerPreferredResources(d)
// ServerResources uses the provided discovery interface to look up supported resources for all groups and versions.
// Deprecated: use ServerGroupsAndResources instead.
func ServerResources(d DiscoveryInterface) ([]*metav1.APIResourceList, error) {
_, rs, err := ServerGroupsAndResources(d)
return rs, err
}
// ServerResources uses the provided discovery interface to look up supported resources for all groups and versions.
func ServerResources(d DiscoveryInterface) ([]*metav1.APIResourceList, error) {
apiGroups, err := d.ServerGroups()
if err != nil {
return nil, err
func ServerGroupsAndResources(d DiscoveryInterface) ([]*metav1.APIGroup, []*metav1.APIResourceList, error) {
sgs, err := d.ServerGroups()
if sgs == nil {
return nil, nil, err
}
resultGroups := []*metav1.APIGroup{}
for i := range sgs.Groups {
resultGroups = append(resultGroups, &sgs.Groups[i])
}
groupVersionResources, failedGroups := fetchGroupVersionResources(d, apiGroups)
groupVersionResources, failedGroups := fetchGroupVersionResources(d, sgs)
// order results by group/version discovery order
result := []*metav1.APIResourceList{}
for _, apiGroup := range apiGroups.Groups {
for _, apiGroup := range sgs.Groups {
for _, version := range apiGroup.Versions {
gv := schema.GroupVersion{Group: apiGroup.Name, Version: version.Version}
if resources, ok := groupVersionResources[gv]; ok {
@ -246,10 +275,10 @@ func ServerResources(d DiscoveryInterface) ([]*metav1.APIResourceList, error) {
}
if len(failedGroups) == 0 {
return result, nil
return resultGroups, result, nil
}
return result, &ErrGroupDiscoveryFailed{Groups: failedGroups}
return resultGroups, result, &ErrGroupDiscoveryFailed{Groups: failedGroups}
}
// ServerPreferredResources uses the provided discovery interface to look up preferred resources
@ -263,8 +292,8 @@ func ServerPreferredResources(d DiscoveryInterface) ([]*metav1.APIResourceList,
result := []*metav1.APIResourceList{}
grVersions := map[schema.GroupResource]string{} // selected version of a GroupResource
grApiResources := map[schema.GroupResource]*metav1.APIResource{} // selected APIResource for a GroupResource
gvApiResourceLists := map[schema.GroupVersion]*metav1.APIResourceList{} // blueprint for a APIResourceList for later grouping
grAPIResources := map[schema.GroupResource]*metav1.APIResource{} // selected APIResource for a GroupResource
gvAPIResourceLists := map[schema.GroupVersion]*metav1.APIResourceList{} // blueprint for a APIResourceList for later grouping
for _, apiGroup := range serverGroupList.Groups {
for _, version := range apiGroup.Versions {
@ -276,11 +305,11 @@ func ServerPreferredResources(d DiscoveryInterface) ([]*metav1.APIResourceList,
}
// create empty list which is filled later in another loop
emptyApiResourceList := metav1.APIResourceList{
emptyAPIResourceList := metav1.APIResourceList{
GroupVersion: version.GroupVersion,
}
gvApiResourceLists[groupVersion] = &emptyApiResourceList
result = append(result, &emptyApiResourceList)
gvAPIResourceLists[groupVersion] = &emptyAPIResourceList
result = append(result, &emptyAPIResourceList)
for i := range apiResourceList.APIResources {
apiResource := &apiResourceList.APIResources[i]
@ -288,21 +317,21 @@ func ServerPreferredResources(d DiscoveryInterface) ([]*metav1.APIResourceList,
continue
}
gv := schema.GroupResource{Group: apiGroup.Name, Resource: apiResource.Name}
if _, ok := grApiResources[gv]; ok && version.Version != apiGroup.PreferredVersion.Version {
if _, ok := grAPIResources[gv]; ok && version.Version != apiGroup.PreferredVersion.Version {
// only override with preferred version
continue
}
grVersions[gv] = version.Version
grApiResources[gv] = apiResource
grAPIResources[gv] = apiResource
}
}
}
// group selected APIResources according to GroupVersion into APIResourceLists
for groupResource, apiResource := range grApiResources {
for groupResource, apiResource := range grAPIResources {
version := grVersions[groupResource]
groupVersion := schema.GroupVersion{Group: groupResource.Group, Version: version}
apiResourceList := gvApiResourceLists[groupVersion]
apiResourceList := gvAPIResourceLists[groupVersion]
apiResourceList.APIResources = append(apiResourceList.APIResources, *apiResource)
}
@ -313,7 +342,7 @@ func ServerPreferredResources(d DiscoveryInterface) ([]*metav1.APIResourceList,
return result, &ErrGroupDiscoveryFailed{Groups: failedGroups}
}
// fetchServerResourcesForGroupVersions uses the discovery client to fetch the resources for the specified groups in parallel
// fetchServerResourcesForGroupVersions uses the discovery client to fetch the resources for the specified groups in parallel.
func fetchGroupVersionResources(d DiscoveryInterface, apiGroups *metav1.APIGroupList) (map[schema.GroupVersion]*metav1.APIResourceList, map[schema.GroupVersion]error) {
groupVersionResources := make(map[schema.GroupVersion]*metav1.APIResourceList)
failedGroups := make(map[schema.GroupVersion]error)
@ -337,7 +366,9 @@ func fetchGroupVersionResources(d DiscoveryInterface, apiGroups *metav1.APIGroup
if err != nil {
// TODO: maybe restrict this to NotFound errors
failedGroups[groupVersion] = err
} else {
}
if apiResourceList != nil {
// even in case of error, some fallback might have been returned
groupVersionResources[groupVersion] = apiResourceList
}
}()
@ -351,7 +382,11 @@ func fetchGroupVersionResources(d DiscoveryInterface, apiGroups *metav1.APIGroup
// ServerPreferredResources returns the supported resources with the version preferred by the
// server.
func (d *DiscoveryClient) ServerPreferredResources() ([]*metav1.APIResourceList, error) {
return withRetries(defaultRetries, d.serverPreferredResources)
_, rs, err := withRetries(defaultRetries, func() ([]*metav1.APIGroup, []*metav1.APIResourceList, error) {
rs, err := ServerPreferredResources(d)
return nil, rs, err
})
return rs, err
}
// ServerPreferredNamespacedResources returns the supported namespaced resources with the
@ -377,7 +412,7 @@ func (d *DiscoveryClient) ServerVersion() (*version.Info, error) {
var info version.Info
err = json.Unmarshal(body, &info)
if err != nil {
return nil, fmt.Errorf("got '%s': %v", string(body), err)
return nil, fmt.Errorf("unable to parse the server version: %v", err)
}
return &info, nil
}
@ -388,7 +423,7 @@ func (d *DiscoveryClient) OpenAPISchema() (*openapi_v2.Document, error) {
if err != nil {
if errors.IsForbidden(err) || errors.IsNotFound(err) || errors.IsNotAcceptable(err) {
// single endpoint not found/registered in old server, try to fetch old endpoint
// TODO(roycaihw): remove this in 1.11
// TODO: remove this when kubectl/client-go don't work with 1.9 server
data, err = d.restClient.Get().AbsPath("/swagger-2.0.0.pb-v1").Do().Raw()
if err != nil {
return nil, err
@ -406,19 +441,20 @@ func (d *DiscoveryClient) OpenAPISchema() (*openapi_v2.Document, error) {
}
// withRetries retries the given recovery function in case the groups supported by the server change after ServerGroup() returns.
func withRetries(maxRetries int, f func() ([]*metav1.APIResourceList, error)) ([]*metav1.APIResourceList, error) {
func withRetries(maxRetries int, f func() ([]*metav1.APIGroup, []*metav1.APIResourceList, error)) ([]*metav1.APIGroup, []*metav1.APIResourceList, error) {
var result []*metav1.APIResourceList
var resultGroups []*metav1.APIGroup
var err error
for i := 0; i < maxRetries; i++ {
result, err = f()
resultGroups, result, err = f()
if err == nil {
return result, nil
return resultGroups, result, nil
}
if _, ok := err.(*ErrGroupDiscoveryFailed); !ok {
return nil, err
return nil, nil, err
}
}
return result, err
return resultGroups, result, err
}
func setDiscoveryDefaults(config *restclient.Config) error {
@ -464,9 +500,9 @@ func NewDiscoveryClient(c restclient.Interface) *DiscoveryClient {
// RESTClient returns a RESTClient that is used to communicate
// with API server by this client implementation.
func (c *DiscoveryClient) RESTClient() restclient.Interface {
if c == nil {
func (d *DiscoveryClient) RESTClient() restclient.Interface {
if d == nil {
return nil
}
return c.restClient
return d.restClient
}

19
vendor/k8s.io/client-go/discovery/doc.go generated vendored Normal file
View file

@ -0,0 +1,19 @@
/*
Copyright 2018 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 discovery provides ways to discover server-supported
// API groups, versions and resources.
package discovery

View file

@ -36,6 +36,8 @@ type FakeDiscovery struct {
FakedServerVersion *version.Info
}
// ServerResourcesForGroupVersion returns the supported resources for a group
// and version.
func (c *FakeDiscovery) ServerResourcesForGroupVersion(groupVersion string) (*metav1.APIResourceList, error) {
action := testing.ActionImpl{
Verb: "get",
@ -50,23 +52,46 @@ func (c *FakeDiscovery) ServerResourcesForGroupVersion(groupVersion string) (*me
return nil, fmt.Errorf("GroupVersion %q not found", groupVersion)
}
// ServerResources returns the supported resources for all groups and versions.
// Deprecated: use ServerGroupsAndResources instead.
func (c *FakeDiscovery) ServerResources() ([]*metav1.APIResourceList, error) {
_, rs, err := c.ServerGroupsAndResources()
return rs, err
}
// ServerGroupsAndResources returns the supported groups and resources for all groups and versions.
func (c *FakeDiscovery) ServerGroupsAndResources() ([]*metav1.APIGroup, []*metav1.APIResourceList, error) {
sgs, err := c.ServerGroups()
if err != nil {
return nil, nil, err
}
resultGroups := []*metav1.APIGroup{}
for i := range sgs.Groups {
resultGroups = append(resultGroups, &sgs.Groups[i])
}
action := testing.ActionImpl{
Verb: "get",
Resource: schema.GroupVersionResource{Resource: "resource"},
}
c.Invokes(action, nil)
return c.Resources, nil
return resultGroups, c.Resources, nil
}
// ServerPreferredResources returns the supported resources with the version
// preferred by the server.
func (c *FakeDiscovery) ServerPreferredResources() ([]*metav1.APIResourceList, error) {
return nil, nil
}
// ServerPreferredNamespacedResources returns the supported namespaced resources
// with the version preferred by the server.
func (c *FakeDiscovery) ServerPreferredNamespacedResources() ([]*metav1.APIResourceList, error) {
return nil, nil
}
// ServerGroups returns the supported groups, with information like supported
// versions and the preferred version.
func (c *FakeDiscovery) ServerGroups() (*metav1.APIGroupList, error) {
action := testing.ActionImpl{
Verb: "get",
@ -108,6 +133,7 @@ func (c *FakeDiscovery) ServerGroups() (*metav1.APIGroupList, error) {
}
// ServerVersion retrieves and parses the server's version.
func (c *FakeDiscovery) ServerVersion() (*version.Info, error) {
action := testing.ActionImpl{}
action.Verb = "get"
@ -122,10 +148,13 @@ func (c *FakeDiscovery) ServerVersion() (*version.Info, error) {
return &versionInfo, nil
}
// OpenAPISchema retrieves and parses the swagger API schema the server supports.
func (c *FakeDiscovery) OpenAPISchema() (*openapi_v2.Document, error) {
return &openapi_v2.Document{}, nil
}
// RESTClient returns a RESTClient that is used to communicate with API server
// by this client implementation.
func (c *FakeDiscovery) RESTClient() restclient.Interface {
return nil
}

View file

@ -31,11 +31,11 @@ import (
func MatchesServerVersion(clientVersion apimachineryversion.Info, client DiscoveryInterface) error {
sVer, err := client.ServerVersion()
if err != nil {
return fmt.Errorf("couldn't read version from server: %v\n", err)
return fmt.Errorf("couldn't read version from server: %v", err)
}
// GitVersion includes GitCommit and GitTreeState, but best to be safe?
if clientVersion.GitVersion != sVer.GitVersion || clientVersion.GitCommit != sVer.GitCommit || clientVersion.GitTreeState != sVer.GitTreeState {
return fmt.Errorf("server version (%#v) differs from client version (%#v)!\n", sVer, clientVersion)
return fmt.Errorf("server version (%#v) differs from client version (%#v)", sVer, clientVersion)
}
return nil
@ -101,12 +101,15 @@ func FilteredBy(pred ResourcePredicate, rls []*metav1.APIResourceList) []*metav1
return result
}
// ResourcePredicate has a method to check if a resource matches a given condition.
type ResourcePredicate interface {
Match(groupVersion string, r *metav1.APIResource) bool
}
// ResourcePredicateFunc returns true if it matches a resource based on a custom condition.
type ResourcePredicateFunc func(groupVersion string, r *metav1.APIResource) bool
// Match is a wrapper around ResourcePredicateFunc.
func (fn ResourcePredicateFunc) Match(groupVersion string, r *metav1.APIResource) bool {
return fn(groupVersion, r)
}
@ -116,6 +119,7 @@ type SupportsAllVerbs struct {
Verbs []string
}
// Match checks if a resource contains all the given verbs.
func (p SupportsAllVerbs) Match(groupVersion string, r *metav1.APIResource) bool {
return sets.NewString([]string(r.Verbs)...).HasAll(p.Verbs...)
}

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@ -1,51 +0,0 @@
/*
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 transport provides a round tripper capable of caching HTTP responses.
package discovery
import (
"net/http"
"path/filepath"
"github.com/gregjones/httpcache"
"github.com/gregjones/httpcache/diskcache"
"github.com/peterbourgon/diskv"
)
type cacheRoundTripper struct {
rt *httpcache.Transport
}
// newCacheRoundTripper creates a roundtripper that reads the ETag on
// response headers and send the If-None-Match header on subsequent
// corresponding requests.
func newCacheRoundTripper(cacheDir string, rt http.RoundTripper) http.RoundTripper {
d := diskv.New(diskv.Options{
BasePath: cacheDir,
TempDir: filepath.Join(cacheDir, ".diskv-temp"),
})
t := httpcache.NewTransport(diskcache.NewWithDiskv(d))
t.Transport = rt
return &cacheRoundTripper{rt: t}
}
func (rt *cacheRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
return rt.rt.RoundTrip(req)
}
func (rt *cacheRoundTripper) WrappedRoundTripper() http.RoundTripper { return rt.rt.Transport }

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@ -1,81 +0,0 @@
/*
Copyright 2016 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 discovery
import (
"reflect"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// UnstructuredObjectTyper provides a runtime.ObjectTyper implementation for
// runtime.Unstructured object based on discovery information.
type UnstructuredObjectTyper struct {
typers []runtime.ObjectTyper
}
// NewUnstructuredObjectTyper returns a runtime.ObjectTyper for
// unstructured objects based on discovery information. It accepts a list of fallback typers
// for handling objects that are not runtime.Unstructured. It does not delegate the Recognizes
// check, only ObjectKinds.
// TODO this only works for the apiextensions server and doesn't recognize any types. Move to point of use.
func NewUnstructuredObjectTyper(typers ...runtime.ObjectTyper) *UnstructuredObjectTyper {
dot := &UnstructuredObjectTyper{
typers: typers,
}
return dot
}
// ObjectKinds returns a slice of one element with the group,version,kind of the
// provided object, or an error if the object is not runtime.Unstructured or
// has no group,version,kind information. unversionedType will always be false
// because runtime.Unstructured object should always have group,version,kind
// information set.
func (d *UnstructuredObjectTyper) ObjectKinds(obj runtime.Object) (gvks []schema.GroupVersionKind, unversionedType bool, err error) {
if _, ok := obj.(runtime.Unstructured); ok {
gvk := obj.GetObjectKind().GroupVersionKind()
if len(gvk.Kind) == 0 {
return nil, false, runtime.NewMissingKindErr("object has no kind field ")
}
if len(gvk.Version) == 0 {
return nil, false, runtime.NewMissingVersionErr("object has no apiVersion field")
}
return []schema.GroupVersionKind{gvk}, false, nil
}
var lastErr error
for _, typer := range d.typers {
gvks, unversioned, err := typer.ObjectKinds(obj)
if err != nil {
lastErr = err
continue
}
return gvks, unversioned, nil
}
if lastErr == nil {
lastErr = runtime.NewNotRegisteredErrForType(reflect.TypeOf(obj))
}
return nil, false, lastErr
}
// Recognizes returns true if the provided group,version,kind was in the
// discovery information.
func (d *UnstructuredObjectTyper) Recognizes(gvk schema.GroupVersionKind) bool {
return false
}
var _ runtime.ObjectTyper = &UnstructuredObjectTyper{}