admin/kubesphere
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Upgrade k8s package verison (#5358)

Browse Source 
* upgrade k8s package version

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>

* Script upgrade and code formatting.

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>

Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>
This commit is contained in:
hongzhouzi
2022-11-15 14:56:38 +08:00
committed by GitHub
parent 5f91c1663a
commit 44167aa47a
3106 changed files with 321340 additions and 172080 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
vendor/k8s.io/client-go/tools/auth/OWNERS generated vendored
View File

@@ -1,9 +1,8 @@
# See the OWNERS docs at https://go.k8s.io/owners
approvers:
- sig-auth-authenticators-approvers
- sig-auth-authenticators-approvers
reviewers:
- sig-auth-authenticators-reviewers
- sig-auth-authenticators-reviewers
labels:
- sig/auth
- sig/auth

26
vendor/k8s.io/client-go/tools/auth/clientauth.go generated vendored
View File

@@ -45,20 +45,20 @@ client.Client from an authcfg.Info.
Example:
import (
"pkg/client"
"pkg/client/auth"
)
import (
"pkg/client"
"pkg/client/auth"
)
info, err := auth.LoadFromFile(filename)
if err != nil {
// handle error
}
clientConfig = client.Config{}
clientConfig.Host = "example.com:4901"
clientConfig = info.MergeWithConfig()
client := client.New(clientConfig)
client.Pods(ns).List()
info, err := auth.LoadFromFile(filename)
if err != nil {
// handle error
}
clientConfig = client.Config{}
clientConfig.Host = "example.com:4901"
clientConfig = info.MergeWithConfig()
client := client.New(clientConfig)
client.Pods(ns).List()
*/
package auth

60
vendor/k8s.io/client-go/tools/cache/OWNERS generated vendored
View File

@@ -1,40 +1,28 @@
# See the OWNERS docs at https://go.k8s.io/owners
approvers:
- thockin
- lavalamp
- smarterclayton
- wojtek-t
- deads2k
- caesarxuchao
- liggitt
- ncdc
- thockin
- lavalamp
- smarterclayton
- wojtek-t
- deads2k
- caesarxuchao
- liggitt
- ncdc
reviewers:
- thockin
- lavalamp
- smarterclayton
- wojtek-t
- deads2k
- brendandburns
- derekwaynecarr
- caesarxuchao
- mikedanese
- liggitt
- erictune
- davidopp
- pmorie
- janetkuo
- justinsb
- soltysh
- jsafrane
- dims
- hongchaodeng
- krousey
- xiang90
- mml
- ingvagabund
- resouer
- jessfraz
- mfojtik
- sdminonne
- ncdc
- thockin
- lavalamp
- smarterclayton
- wojtek-t
- deads2k
- derekwaynecarr
- caesarxuchao
- mikedanese
- liggitt
- janetkuo
- justinsb
- soltysh
- jsafrane
- dims
- ingvagabund
- ncdc

207
vendor/k8s.io/client-go/tools/cache/controller.go generated vendored
View File

@@ -17,13 +17,14 @@ limitations under the License.
package cache
import (
"errors"
"sync"
"time"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/clock"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/utils/clock"
)
// This file implements a low-level controller that is used in
@@ -198,17 +199,17 @@ func (c *controller) processLoop() {
// can't return an error. The handlers MUST NOT modify the objects
// received; this concerns not only the top level of structure but all
// the data structures reachable from it.
// * OnAdd is called when an object is added.
// * OnUpdate is called when an object is modified. Note that oldObj is the
// last known state of the object-- it is possible that several changes
// were combined together, so you can't use this to see every single
// change. OnUpdate is also called when a re-list happens, and it will
// get called even if nothing changed. This is useful for periodically
// evaluating or syncing something.
// * OnDelete will get the final state of the item if it is known, otherwise
// it will get an object of type DeletedFinalStateUnknown. This can
// happen if the watch is closed and misses the delete event and we don't
// notice the deletion until the subsequent re-list.
// - OnAdd is called when an object is added.
// - OnUpdate is called when an object is modified. Note that oldObj is the
// last known state of the object-- it is possible that several changes
// were combined together, so you can't use this to see every single
// change. OnUpdate is also called when a re-list happens, and it will
// get called even if nothing changed. This is useful for periodically
// evaluating or syncing something.
// - OnDelete will get the final state of the item if it is known, otherwise
// it will get an object of type DeletedFinalStateUnknown. This can
// happen if the watch is closed and misses the delete event and we don't
// notice the deletion until the subsequent re-list.
type ResourceEventHandler interface {
OnAdd(obj interface{})
OnUpdate(oldObj, newObj interface{})
@@ -304,15 +305,14 @@ func DeletionHandlingMetaNamespaceKeyFunc(obj interface{}) (string, error) {
// notifications to be faulty.
//
// Parameters:
// * lw is list and watch functions for the source of the resource you want to
// be informed of.
// * objType is an object of the type that you expect to receive.
// * resyncPeriod: if non-zero, will re-list this often (you will get OnUpdate
// calls, even if nothing changed). Otherwise, re-list will be delayed as
// long as possible (until the upstream source closes the watch or times out,
// or you stop the controller).
// * h is the object you want notifications sent to.
//
// - lw is list and watch functions for the source of the resource you want to
// be informed of.
// - objType is an object of the type that you expect to receive.
// - resyncPeriod: if non-zero, will re-list this often (you will get OnUpdate
// calls, even if nothing changed). Otherwise, re-list will be delayed as
// long as possible (until the upstream source closes the watch or times out,
// or you stop the controller).
// - h is the object you want notifications sent to.
func NewInformer(
lw ListerWatcher,
objType runtime.Object,
@@ -322,25 +322,24 @@ func NewInformer(
// This will hold the client state, as we know it.
clientState := NewStore(DeletionHandlingMetaNamespaceKeyFunc)
return clientState, newInformer(lw, objType, resyncPeriod, h, clientState)
return clientState, newInformer(lw, objType, resyncPeriod, h, clientState, nil)
}
// NewIndexerInformer returns a Indexer and a controller for populating the index
// NewIndexerInformer returns an Indexer and a Controller for populating the index
// while also providing event notifications. You should only used the returned
// Index for Get/List operations; Add/Modify/Deletes will cause the event
// notifications to be faulty.
//
// Parameters:
// * lw is list and watch functions for the source of the resource you want to
// be informed of.
// * objType is an object of the type that you expect to receive.
// * resyncPeriod: if non-zero, will re-list this often (you will get OnUpdate
// calls, even if nothing changed). Otherwise, re-list will be delayed as
// long as possible (until the upstream source closes the watch or times out,
// or you stop the controller).
// * h is the object you want notifications sent to.
// * indexers is the indexer for the received object type.
//
// - lw is list and watch functions for the source of the resource you want to
// be informed of.
// - objType is an object of the type that you expect to receive.
// - resyncPeriod: if non-zero, will re-list this often (you will get OnUpdate
// calls, even if nothing changed). Otherwise, re-list will be delayed as
// long as possible (until the upstream source closes the watch or times out,
// or you stop the controller).
// - h is the object you want notifications sent to.
// - indexers is the indexer for the received object type.
func NewIndexerInformer(
lw ListerWatcher,
objType runtime.Object,
@@ -351,29 +350,124 @@ func NewIndexerInformer(
// This will hold the client state, as we know it.
clientState := NewIndexer(DeletionHandlingMetaNamespaceKeyFunc, indexers)
return clientState, newInformer(lw, objType, resyncPeriod, h, clientState)
return clientState, newInformer(lw, objType, resyncPeriod, h, clientState, nil)
}
// TransformFunc allows for transforming an object before it will be processed
// and put into the controller cache and before the corresponding handlers will
// be called on it.
// TransformFunc (similarly to ResourceEventHandler functions) should be able
// to correctly handle the tombstone of type cache.DeletedFinalStateUnknown
//
// The most common usage pattern is to clean-up some parts of the object to
// reduce component memory usage if a given component doesn't care about them.
// given controller doesn't care for them
type TransformFunc func(interface{}) (interface{}, error)
// NewTransformingInformer returns a Store and a controller for populating
// the store while also providing event notifications. You should only used
// the returned Store for Get/List operations; Add/Modify/Deletes will cause
// the event notifications to be faulty.
// The given transform function will be called on all objects before they will
// put into the Store and corresponding Add/Modify/Delete handlers will
// be invoked for them.
func NewTransformingInformer(
lw ListerWatcher,
objType runtime.Object,
resyncPeriod time.Duration,
h ResourceEventHandler,
transformer TransformFunc,
) (Store, Controller) {
// This will hold the client state, as we know it.
clientState := NewStore(DeletionHandlingMetaNamespaceKeyFunc)
return clientState, newInformer(lw, objType, resyncPeriod, h, clientState, transformer)
}
// NewTransformingIndexerInformer returns an Indexer and a controller for
// populating the index while also providing event notifications. You should
// only used the returned Index for Get/List operations; Add/Modify/Deletes
// will cause the event notifications to be faulty.
// The given transform function will be called on all objects before they will
// be put into the Index and corresponding Add/Modify/Delete handlers will
// be invoked for them.
func NewTransformingIndexerInformer(
lw ListerWatcher,
objType runtime.Object,
resyncPeriod time.Duration,
h ResourceEventHandler,
indexers Indexers,
transformer TransformFunc,
) (Indexer, Controller) {
// This will hold the client state, as we know it.
clientState := NewIndexer(DeletionHandlingMetaNamespaceKeyFunc, indexers)
return clientState, newInformer(lw, objType, resyncPeriod, h, clientState, transformer)
}
// Multiplexes updates in the form of a list of Deltas into a Store, and informs
// a given handler of events OnUpdate, OnAdd, OnDelete
func processDeltas(
// Object which receives event notifications from the given deltas
handler ResourceEventHandler,
clientState Store,
transformer TransformFunc,
deltas Deltas,
) error {
// from oldest to newest
for _, d := range deltas {
obj := d.Object
if transformer != nil {
var err error
obj, err = transformer(obj)
if err != nil {
return err
}
}
switch d.Type {
case Sync, Replaced, Added, Updated:
if old, exists, err := clientState.Get(obj); err == nil && exists {
if err := clientState.Update(obj); err != nil {
return err
}
handler.OnUpdate(old, obj)
} else {
if err := clientState.Add(obj); err != nil {
return err
}
handler.OnAdd(obj)
}
case Deleted:
if err := clientState.Delete(obj); err != nil {
return err
}
handler.OnDelete(obj)
}
}
return nil
}
// newInformer returns a controller for populating the store while also
// providing event notifications.
//
// Parameters
// * lw is list and watch functions for the source of the resource you want to
// be informed of.
// * objType is an object of the type that you expect to receive.
// * resyncPeriod: if non-zero, will re-list this often (you will get OnUpdate
// calls, even if nothing changed). Otherwise, re-list will be delayed as
// long as possible (until the upstream source closes the watch or times out,
// or you stop the controller).
// * h is the object you want notifications sent to.
// * clientState is the store you want to populate
//
// - lw is list and watch functions for the source of the resource you want to
// be informed of.
// - objType is an object of the type that you expect to receive.
// - resyncPeriod: if non-zero, will re-list this often (you will get OnUpdate
// calls, even if nothing changed). Otherwise, re-list will be delayed as
// long as possible (until the upstream source closes the watch or times out,
// or you stop the controller).
// - h is the object you want notifications sent to.
// - clientState is the store you want to populate
func newInformer(
lw ListerWatcher,
objType runtime.Object,
resyncPeriod time.Duration,
h ResourceEventHandler,
clientState Store,
transformer TransformFunc,
) Controller {
// This will hold incoming changes. Note how we pass clientState in as a
// KeyLister, that way resync operations will result in the correct set
@@ -391,29 +485,10 @@ func newInformer(
RetryOnError: false,
Process: func(obj interface{}) error {
// from oldest to newest
for _, d := range obj.(Deltas) {
switch d.Type {
case Sync, Replaced, Added, Updated:
if old, exists, err := clientState.Get(d.Object); err == nil && exists {
if err := clientState.Update(d.Object); err != nil {
return err
}
h.OnUpdate(old, d.Object)
} else {
if err := clientState.Add(d.Object); err != nil {
return err
}
h.OnAdd(d.Object)
}
case Deleted:
if err := clientState.Delete(d.Object); err != nil {
return err
}
h.OnDelete(d.Object)
}
if deltas, ok := obj.(Deltas); ok {
return processDeltas(h, clientState, transformer, deltas)
}
return nil
return errors.New("object given as Process argument is not Deltas")
},
}
return New(cfg)

80
vendor/k8s.io/client-go/tools/cache/delta_fifo.go generated vendored
View File

@@ -20,10 +20,12 @@ import (
"errors"
"fmt"
"sync"
"time"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/klog/v2"
utiltrace "k8s.io/utils/trace"
)
// DeltaFIFOOptions is the configuration parameters for DeltaFIFO. All are
@@ -72,11 +74,11 @@ type DeltaFIFOOptions struct {
// the Pop() method.
//
// DeltaFIFO solves this use case:
// * You want to process every object change (delta) at most once.
// * When you process an object, you want to see everything
// that's happened to it since you last processed it.
// * You want to process the deletion of some of the objects.
// * You might want to periodically reprocess objects.
// - You want to process every object change (delta) at most once.
// - When you process an object, you want to see everything
// that's happened to it since you last processed it.
// - You want to process the deletion of some of the objects.
// - You might want to periodically reprocess objects.
//
// DeltaFIFO's Pop(), Get(), and GetByKey() methods return
// interface{} to satisfy the Store/Queue interfaces, but they
@@ -121,7 +123,7 @@ type DeltaFIFO struct {
knownObjects KeyListerGetter
// Used to indicate a queue is closed so a control loop can exit when a queue is empty.
// Currently, not used to gate any of CRED operations.
// Currently, not used to gate any of CRUD operations.
closed bool
// emitDeltaTypeReplaced is whether to emit the Replaced or Sync
@@ -153,7 +155,7 @@ const (
// change happened, and the object's state after* that change.
//
// [*] Unless the change is a deletion, and then you'll get the final
// state of the object before it was deleted.
// state of the object before it was deleted.
type Delta struct {
Type DeltaType
Object interface{}
@@ -174,24 +176,24 @@ type Deltas []Delta
// modifications.
//
// TODO: consider merging keyLister with this object, tracking a list of
// "known" keys when Pop() is called. Have to think about how that
// affects error retrying.
// NOTE: It is possible to misuse this and cause a race when using an
// external known object source.
// Whether there is a potential race depends on how the consumer
// modifies knownObjects. In Pop(), process function is called under
// lock, so it is safe to update data structures in it that need to be
// in sync with the queue (e.g. knownObjects).
// "known" keys when Pop() is called. Have to think about how that
// affects error retrying.
//
// Example:
// In case of sharedIndexInformer being a consumer
// (https://github.com/kubernetes/kubernetes/blob/0cdd940f/staging/
// src/k8s.io/client-go/tools/cache/shared_informer.go#L192),
// there is no race as knownObjects (s.indexer) is modified safely
// under DeltaFIFO's lock. The only exceptions are GetStore() and
// GetIndexer() methods, which expose ways to modify the underlying
// storage. Currently these two methods are used for creating Lister
// and internal tests.
// NOTE: It is possible to misuse this and cause a race when using an
// external known object source.
// Whether there is a potential race depends on how the consumer
// modifies knownObjects. In Pop(), process function is called under
// lock, so it is safe to update data structures in it that need to be
// in sync with the queue (e.g. knownObjects).
//
// Example:
// In case of sharedIndexInformer being a consumer
// (https://github.com/kubernetes/kubernetes/blob/0cdd940f/staging/src/k8s.io/client-go/tools/cache/shared_informer.go#L192),
// there is no race as knownObjects (s.indexer) is modified safely
// under DeltaFIFO's lock. The only exceptions are GetStore() and
// GetIndexer() methods, which expose ways to modify the underlying
// storage. Currently these two methods are used for creating Lister
// and internal tests.
//
// Also see the comment on DeltaFIFO.
//
@@ -340,7 +342,7 @@ func (f *DeltaFIFO) AddIfNotPresent(obj interface{}) error {
if !ok {
return fmt.Errorf("object must be of type deltas, but got: %#v", obj)
}
id, err := f.KeyOf(deltas.Newest().Object)
id, err := f.KeyOf(deltas)
if err != nil {
return KeyError{obj, err}
}
@@ -373,13 +375,8 @@ func dedupDeltas(deltas Deltas) Deltas {
a := &deltas[n-1]
b := &deltas[n-2]
if out := isDup(a, b); out != nil {
// `a` and `b` are duplicates. Only keep the one returned from isDup().
// TODO: This extra array allocation and copy seems unnecessary if
// all we do to dedup is compare the new delta with the last element
// in `items`, which could be done by mutating `items` directly.
// Might be worth profiling and investigating if it is safe to optimize.
d := append(Deltas{}, deltas[:n-2]...)
return append(d, *out)
deltas[n-2] = *out
return deltas[:n-1]
}
return deltas
}
@@ -461,8 +458,8 @@ func (f *DeltaFIFO) listLocked() []interface{} {
func (f *DeltaFIFO) ListKeys() []string {
f.lock.RLock()
defer f.lock.RUnlock()
list := make([]string, 0, len(f.items))
for key := range f.items {
list := make([]string, 0, len(f.queue))
for _, key := range f.queue {
list = append(list, key)
}
return list
@@ -531,6 +528,7 @@ func (f *DeltaFIFO) Pop(process PopProcessFunc) (interface{}, error) {
}
id := f.queue[0]
f.queue = f.queue[1:]
depth := len(f.queue)
if f.initialPopulationCount > 0 {
f.initialPopulationCount--
}
@@ -541,6 +539,18 @@ func (f *DeltaFIFO) Pop(process PopProcessFunc) (interface{}, error) {
continue
}
delete(f.items, id)
// Only log traces if the queue depth is greater than 10 and it takes more than
// 100 milliseconds to process one item from the queue.
// Queue depth never goes high because processing an item is locking the queue,
// and new items can't be added until processing finish.
// https://github.com/kubernetes/kubernetes/issues/103789
if depth > 10 {
trace := utiltrace.New("DeltaFIFO Pop Process",
utiltrace.Field{Key: "ID", Value: id},
utiltrace.Field{Key: "Depth", Value: depth},
utiltrace.Field{Key: "Reason", Value: "slow event handlers blocking the queue"})
defer trace.LogIfLong(100 * time.Millisecond)
}
err := process(item)
if e, ok := err.(ErrRequeue); ok {
f.addIfNotPresent(id, item)
@@ -562,7 +572,7 @@ func (f *DeltaFIFO) Pop(process PopProcessFunc) (interface{}, error) {
// of the Deltas associated with K. Otherwise the pre-existing keys
// are those listed by `f.knownObjects` and the current object of K is
// what `f.knownObjects.GetByKey(K)` returns.
func (f *DeltaFIFO) Replace(list []interface{}, resourceVersion string) error {
func (f *DeltaFIFO) Replace(list []interface{}, _ string) error {
f.lock.Lock()
defer f.lock.Unlock()
keys := make(sets.String, len(list))

17
vendor/k8s.io/client-go/tools/cache/expiration_cache.go generated vendored
View File

@@ -20,18 +20,19 @@ import (
"sync"
"time"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
)
// ExpirationCache implements the store interface
// 1. All entries are automatically time stamped on insert
// a. The key is computed based off the original item/keyFunc
// b. The value inserted under that key is the timestamped item
// 2. Expiration happens lazily on read based on the expiration policy
// a. No item can be inserted into the store while we're expiring
// *any* item in the cache.
// 3. Time-stamps are stripped off unexpired entries before return
// 1. All entries are automatically time stamped on insert
// a. The key is computed based off the original item/keyFunc
// b. The value inserted under that key is the timestamped item
// 2. Expiration happens lazily on read based on the expiration policy
// a. No item can be inserted into the store while we're expiring
// *any* item in the cache.
// 3. Time-stamps are stripped off unexpired entries before return
//
// Note that the ExpirationCache is inherently slower than a normal
// threadSafeStore because it takes a write lock every time it checks if
// an item has expired.

2
vendor/k8s.io/client-go/tools/cache/expiration_cache_fakes.go generated vendored
View File

@@ -17,8 +17,8 @@ limitations under the License.
package cache
import (
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/utils/clock"
)
type fakeThreadSafeMap struct {

16
vendor/k8s.io/client-go/tools/cache/fifo.go generated vendored
View File

@@ -103,10 +103,11 @@ func Pop(queue Queue) interface{} {
// recent version will be processed. This can't be done with a channel
//
// FIFO solves this use case:
// * You want to process every object (exactly) once.
// * You want to process the most recent version of the object when you process it.
// * You do not want to process deleted objects, they should be removed from the queue.
// * You do not want to periodically reprocess objects.
// - You want to process every object (exactly) once.
// - You want to process the most recent version of the object when you process it.
// - You do not want to process deleted objects, they should be removed from the queue.
// - You do not want to periodically reprocess objects.
//
// Compare with DeltaFIFO for other use cases.
type FIFO struct {
lock sync.RWMutex
@@ -127,7 +128,7 @@ type FIFO struct {
// Indication the queue is closed.
// Used to indicate a queue is closed so a control loop can exit when a queue is empty.
// Currently, not used to gate any of CRED operations.
// Currently, not used to gate any of CRUD operations.
closed bool
}
@@ -263,10 +264,7 @@ func (f *FIFO) GetByKey(key string) (item interface{}, exists bool, err error) {
func (f *FIFO) IsClosed() bool {
f.lock.Lock()
defer f.lock.Unlock()
if f.closed {
return true
}
return false
return f.closed
}
// Pop waits until an item is ready and processes it. If multiple items are

5
vendor/k8s.io/client-go/tools/cache/heap.go generated vendored
View File

@@ -304,10 +304,7 @@ func (h *Heap) GetByKey(key string) (interface{}, bool, error) {
func (h *Heap) IsClosed() bool {
h.lock.RLock()
defer h.lock.RUnlock()
if h.closed {
return true
}
return false
return h.closed
}
// NewHeap returns a Heap which can be used to queue up items to process.

14
vendor/k8s.io/client-go/tools/cache/index.go generated vendored
View File

@@ -28,10 +28,10 @@ import (
// Delete).
//
// There are three kinds of strings here:
// 1. a storage key, as defined in the Store interface,
// 2. a name of an index, and
// 3. an "indexed value", which is produced by an IndexFunc and
// can be a field value or any other string computed from the object.
// 1. a storage key, as defined in the Store interface,
// 2. a name of an index, and
// 3. an "indexed value", which is produced by an IndexFunc and
// can be a field value or any other string computed from the object.
type Indexer interface {
Store
// Index returns the stored objects whose set of indexed values
@@ -47,7 +47,7 @@ type Indexer interface {
// ByIndex returns the stored objects whose set of indexed values
// for the named index includes the given indexed value
ByIndex(indexName, indexedValue string) ([]interface{}, error)
// GetIndexer return the indexers
// GetIndexers return the indexers
GetIndexers() Indexers
// AddIndexers adds more indexers to this store. If you call this after you already have data
@@ -78,7 +78,7 @@ func IndexFuncToKeyFuncAdapter(indexFunc IndexFunc) KeyFunc {
}
const (
// NamespaceIndex is the lookup name for the most comment index function, which is to index by the namespace field.
// NamespaceIndex is the lookup name for the most common index function, which is to index by the namespace field.
NamespaceIndex string = "namespace"
)
@@ -94,7 +94,7 @@ func MetaNamespaceIndexFunc(obj interface{}) ([]string, error) {
// Index maps the indexed value to a set of keys in the store that match on that value
type Index map[string]sets.String
// Indexers maps a name to a IndexFunc
// Indexers maps a name to an IndexFunc
type Indexers map[string]IndexFunc
// Indices maps a name to an Index

2
vendor/k8s.io/client-go/tools/cache/mutation_detector.go generated vendored
View File

@@ -99,7 +99,7 @@ func (d *defaultCacheMutationDetector) Run(stopCh <-chan struct{}) {
for {
if d.lastRotated.IsZero() {
d.lastRotated = time.Now()
} else if time.Now().Sub(d.lastRotated) > d.retainDuration {
} else if time.Since(d.lastRotated) > d.retainDuration {
d.retainedCachedObjs = d.cachedObjs
d.cachedObjs = nil
d.lastRotated = time.Now()

301
vendor/k8s.io/client-go/tools/cache/reflector.go generated vendored
View File

@@ -32,7 +32,6 @@ import (
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/naming"
utilnet "k8s.io/apimachinery/pkg/util/net"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
@@ -40,6 +39,7 @@ import (
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/pager"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
"k8s.io/utils/trace"
)
@@ -69,8 +69,10 @@ type Reflector struct {
// backoff manages backoff of ListWatch
backoffManager wait.BackoffManager
// initConnBackoffManager manages backoff the initial connection with the Watch calll of ListAndWatch.
// initConnBackoffManager manages backoff the initial connection with the Watch call of ListAndWatch.
initConnBackoffManager wait.BackoffManager
// MaxInternalErrorRetryDuration defines how long we should retry internal errors returned by watch.
MaxInternalErrorRetryDuration time.Duration
resyncPeriod time.Duration
// ShouldResync is invoked periodically and whenever it returns `true` the Store's Resync operation is invoked
@@ -231,7 +233,7 @@ var (
// Used to indicate that watching stopped because of a signal from the stop
// channel passed in from a client of the reflector.
errorStopRequested = errors.New("Stop requested")
errorStopRequested = errors.New("stop requested")
)
// resyncChan returns a channel which will receive something when a resync is
@@ -253,111 +255,9 @@ func (r *Reflector) resyncChan() (<-chan time.Time, func() bool) {
// It returns error if ListAndWatch didn't even try to initialize watch.
func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
klog.V(3).Infof("Listing and watching %v from %s", r.expectedTypeName, r.name)
var resourceVersion string
options := metav1.ListOptions{ResourceVersion: r.relistResourceVersion()}
if err := func() error {
initTrace := trace.New("Reflector ListAndWatch", trace.Field{"name", r.name})
defer initTrace.LogIfLong(10 * time.Second)
var list runtime.Object
var paginatedResult bool
var err error
listCh := make(chan struct{}, 1)
panicCh := make(chan interface{}, 1)
go func() {
defer func() {
if r := recover(); r != nil {
panicCh <- r
}
}()
// Attempt to gather list in chunks, if supported by listerWatcher, if not, the first
// list request will return the full response.
pager := pager.New(pager.SimplePageFunc(func(opts metav1.ListOptions) (runtime.Object, error) {
return r.listerWatcher.List(opts)
}))
switch {
case r.WatchListPageSize != 0:
pager.PageSize = r.WatchListPageSize
case r.paginatedResult:
// We got a paginated result initially. Assume this resource and server honor
// paging requests (i.e. watch cache is probably disabled) and leave the default
// pager size set.
case options.ResourceVersion != "" && options.ResourceVersion != "0":
// User didn't explicitly request pagination.
//
// With ResourceVersion != "", we have a possibility to list from watch cache,
// but we do that (for ResourceVersion != "0") only if Limit is unset.
// To avoid thundering herd on etcd (e.g. on master upgrades), we explicitly
// switch off pagination to force listing from watch cache (if enabled).
// With the existing semantic of RV (result is at least as fresh as provided RV),
// this is correct and doesn't lead to going back in time.
//
// We also don't turn off pagination for ResourceVersion="0", since watch cache
// is ignoring Limit in that case anyway, and if watch cache is not enabled
// we don't introduce regression.
pager.PageSize = 0
}
list, paginatedResult, err = pager.List(context.Background(), options)
if isExpiredError(err) || isTooLargeResourceVersionError(err) {
r.setIsLastSyncResourceVersionUnavailable(true)
// Retry immediately if the resource version used to list is unavailable.
// The pager already falls back to full list if paginated list calls fail due to an "Expired" error on
// continuation pages, but the pager might not be enabled, the full list might fail because the
// resource version it is listing at is expired or the cache may not yet be synced to the provided
// resource version. So we need to fallback to resourceVersion="" in all to recover and ensure
// the reflector makes forward progress.
list, paginatedResult, err = pager.List(context.Background(), metav1.ListOptions{ResourceVersion: r.relistResourceVersion()})
}
close(listCh)
}()
select {
case <-stopCh:
return nil
case r := <-panicCh:
panic(r)
case <-listCh:
}
if err != nil {
return fmt.Errorf("failed to list %v: %v", r.expectedTypeName, err)
}
// We check if the list was paginated and if so set the paginatedResult based on that.
// However, we want to do that only for the initial list (which is the only case
// when we set ResourceVersion="0"). The reasoning behind it is that later, in some
// situations we may force listing directly from etcd (by setting ResourceVersion="")
// which will return paginated result, even if watch cache is enabled. However, in
// that case, we still want to prefer sending requests to watch cache if possible.
//
// Paginated result returned for request with ResourceVersion="0" mean that watch
// cache is disabled and there are a lot of objects of a given type. In such case,
// there is no need to prefer listing from watch cache.
if options.ResourceVersion == "0" && paginatedResult {
r.paginatedResult = true
}
r.setIsLastSyncResourceVersionUnavailable(false) // list was successful
initTrace.Step("Objects listed")
listMetaInterface, err := meta.ListAccessor(list)
if err != nil {
return fmt.Errorf("unable to understand list result %#v: %v", list, err)
}
resourceVersion = listMetaInterface.GetResourceVersion()
initTrace.Step("Resource version extracted")
items, err := meta.ExtractList(list)
if err != nil {
return fmt.Errorf("unable to understand list result %#v (%v)", list, err)
}
initTrace.Step("Objects extracted")
if err := r.syncWith(items, resourceVersion); err != nil {
return fmt.Errorf("unable to sync list result: %v", err)
}
initTrace.Step("SyncWith done")
r.setLastSyncResourceVersion(resourceVersion)
initTrace.Step("Resource version updated")
return nil
}(); err != nil {
err := r.list(stopCh)
if err != nil {
return err
}
@@ -389,6 +289,7 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
}
}()
retry := NewRetryWithDeadline(r.MaxInternalErrorRetryDuration, time.Minute, apierrors.IsInternalError, r.clock)
for {
// give the stopCh a chance to stop the loop, even in case of continue statements further down on errors
select {
@@ -398,9 +299,9 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
}
timeoutSeconds := int64(minWatchTimeout.Seconds() * (rand.Float64() + 1.0))
options = metav1.ListOptions{
ResourceVersion: resourceVersion,
// We want to avoid situations of hanging watchers. Stop any wachers that do not
options := metav1.ListOptions{
ResourceVersion: r.LastSyncResourceVersion(),
// We want to avoid situations of hanging watchers. Stop any watchers that do not
// receive any events within the timeout window.
TimeoutSeconds: &timeoutSeconds,
// To reduce load on kube-apiserver on watch restarts, you may enable watch bookmarks.
@@ -417,14 +318,17 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
// It doesn't make sense to re-list all objects because most likely we will be able to restart
// watch where we ended.
// If that's the case begin exponentially backing off and resend watch request.
if utilnet.IsConnectionRefused(err) {
// Do the same for "429" errors.
if utilnet.IsConnectionRefused(err) || apierrors.IsTooManyRequests(err) {
<-r.initConnBackoffManager.Backoff().C()
continue
}
return err
}
if err := r.watchHandler(start, w, &resourceVersion, resyncerrc, stopCh); err != nil {
err = watchHandler(start, w, r.store, r.expectedType, r.expectedGVK, r.name, r.expectedTypeName, r.setLastSyncResourceVersion, r.clock, resyncerrc, stopCh)
retry.After(err)
if err != nil {
if err != errorStopRequested {
switch {
case isExpiredError(err):
@@ -432,6 +336,13 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
// has a semantic that it returns data at least as fresh as provided RV.
// So first try to LIST with setting RV to resource version of last observed object.
klog.V(4).Infof("%s: watch of %v closed with: %v", r.name, r.expectedTypeName, err)
case apierrors.IsTooManyRequests(err):
klog.V(2).Infof("%s: watch of %v returned 429 - backing off", r.name, r.expectedTypeName)
<-r.initConnBackoffManager.Backoff().C()
continue
case apierrors.IsInternalError(err) && retry.ShouldRetry():
klog.V(2).Infof("%s: retrying watch of %v internal error: %v", r.name, r.expectedTypeName, err)
continue
default:
klog.Warningf("%s: watch of %v ended with: %v", r.name, r.expectedTypeName, err)
}
@@ -441,6 +352,114 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
}
}
// list simply lists all items and records a resource version obtained from the server at the moment of the call.
// the resource version can be used for further progress notification (aka. watch).
func (r *Reflector) list(stopCh <-chan struct{}) error {
var resourceVersion string
options := metav1.ListOptions{ResourceVersion: r.relistResourceVersion()}
initTrace := trace.New("Reflector ListAndWatch", trace.Field{Key: "name", Value: r.name})
defer initTrace.LogIfLong(10 * time.Second)
var list runtime.Object
var paginatedResult bool
var err error
listCh := make(chan struct{}, 1)
panicCh := make(chan interface{}, 1)
go func() {
defer func() {
if r := recover(); r != nil {
panicCh <- r
}
}()
// Attempt to gather list in chunks, if supported by listerWatcher, if not, the first
// list request will return the full response.
pager := pager.New(pager.SimplePageFunc(func(opts metav1.ListOptions) (runtime.Object, error) {
return r.listerWatcher.List(opts)
}))
switch {
case r.WatchListPageSize != 0:
pager.PageSize = r.WatchListPageSize
case r.paginatedResult:
// We got a paginated result initially. Assume this resource and server honor
// paging requests (i.e. watch cache is probably disabled) and leave the default
// pager size set.
case options.ResourceVersion != "" && options.ResourceVersion != "0":
// User didn't explicitly request pagination.
//
// With ResourceVersion != "", we have a possibility to list from watch cache,
// but we do that (for ResourceVersion != "0") only if Limit is unset.
// To avoid thundering herd on etcd (e.g. on master upgrades), we explicitly
// switch off pagination to force listing from watch cache (if enabled).
// With the existing semantic of RV (result is at least as fresh as provided RV),
// this is correct and doesn't lead to going back in time.
//
// We also don't turn off pagination for ResourceVersion="0", since watch cache
// is ignoring Limit in that case anyway, and if watch cache is not enabled
// we don't introduce regression.
pager.PageSize = 0
}
list, paginatedResult, err = pager.List(context.Background(), options)
if isExpiredError(err) || isTooLargeResourceVersionError(err) {
r.setIsLastSyncResourceVersionUnavailable(true)
// Retry immediately if the resource version used to list is unavailable.
// The pager already falls back to full list if paginated list calls fail due to an "Expired" error on
// continuation pages, but the pager might not be enabled, the full list might fail because the
// resource version it is listing at is expired or the cache may not yet be synced to the provided
// resource version. So we need to fallback to resourceVersion="" in all to recover and ensure
// the reflector makes forward progress.
list, paginatedResult, err = pager.List(context.Background(), metav1.ListOptions{ResourceVersion: r.relistResourceVersion()})
}
close(listCh)
}()
select {
case <-stopCh:
return nil
case r := <-panicCh:
panic(r)
case <-listCh:
}
initTrace.Step("Objects listed", trace.Field{Key: "error", Value: err})
if err != nil {
klog.Warningf("%s: failed to list %v: %v", r.name, r.expectedTypeName, err)
return fmt.Errorf("failed to list %v: %w", r.expectedTypeName, err)
}
// We check if the list was paginated and if so set the paginatedResult based on that.
// However, we want to do that only for the initial list (which is the only case
// when we set ResourceVersion="0"). The reasoning behind it is that later, in some
// situations we may force listing directly from etcd (by setting ResourceVersion="")
// which will return paginated result, even if watch cache is enabled. However, in
// that case, we still want to prefer sending requests to watch cache if possible.
//
// Paginated result returned for request with ResourceVersion="0" mean that watch
// cache is disabled and there are a lot of objects of a given type. In such case,
// there is no need to prefer listing from watch cache.
if options.ResourceVersion == "0" && paginatedResult {
r.paginatedResult = true
}
r.setIsLastSyncResourceVersionUnavailable(false) // list was successful
listMetaInterface, err := meta.ListAccessor(list)
if err != nil {
return fmt.Errorf("unable to understand list result %#v: %v", list, err)
}
resourceVersion = listMetaInterface.GetResourceVersion()
initTrace.Step("Resource version extracted")
items, err := meta.ExtractList(list)
if err != nil {
return fmt.Errorf("unable to understand list result %#v (%v)", list, err)
}
initTrace.Step("Objects extracted")
if err := r.syncWith(items, resourceVersion); err != nil {
return fmt.Errorf("unable to sync list result: %v", err)
}
initTrace.Step("SyncWith done")
r.setLastSyncResourceVersion(resourceVersion)
initTrace.Step("Resource version updated")
return nil
}
// syncWith replaces the store's items with the given list.
func (r *Reflector) syncWith(items []runtime.Object, resourceVersion string) error {
found := make([]interface{}, 0, len(items))
@@ -450,8 +469,19 @@ func (r *Reflector) syncWith(items []runtime.Object, resourceVersion string) err
return r.store.Replace(found, resourceVersion)
}
// watchHandler watches w and keeps *resourceVersion up to date.
func (r *Reflector) watchHandler(start time.Time, w watch.Interface, resourceVersion *string, errc chan error, stopCh <-chan struct{}) error {
// watchHandler watches w and sets setLastSyncResourceVersion
func watchHandler(start time.Time,
w watch.Interface,
store Store,
expectedType reflect.Type,
expectedGVK *schema.GroupVersionKind,
name string,
expectedTypeName string,
setLastSyncResourceVersion func(string),
clock clock.Clock,
errc chan error,
stopCh <-chan struct{},
) error {
eventCount := 0
// Stopping the watcher should be idempotent and if we return from this function there's no way
@@ -472,62 +502,61 @@ loop:
if event.Type == watch.Error {
return apierrors.FromObject(event.Object)
}
if r.expectedType != nil {
if e, a := r.expectedType, reflect.TypeOf(event.Object); e != a {
utilruntime.HandleError(fmt.Errorf("%s: expected type %v, but watch event object had type %v", r.name, e, a))
if expectedType != nil {
if e, a := expectedType, reflect.TypeOf(event.Object); e != a {
utilruntime.HandleError(fmt.Errorf("%s: expected type %v, but watch event object had type %v", name, e, a))
continue
}
}
if r.expectedGVK != nil {
if e, a := *r.expectedGVK, event.Object.GetObjectKind().GroupVersionKind(); e != a {
utilruntime.HandleError(fmt.Errorf("%s: expected gvk %v, but watch event object had gvk %v", r.name, e, a))
if expectedGVK != nil {
if e, a := *expectedGVK, event.Object.GetObjectKind().GroupVersionKind(); e != a {
utilruntime.HandleError(fmt.Errorf("%s: expected gvk %v, but watch event object had gvk %v", name, e, a))
continue
}
}
meta, err := meta.Accessor(event.Object)
if err != nil {
utilruntime.HandleError(fmt.Errorf("%s: unable to understand watch event %#v", r.name, event))
utilruntime.HandleError(fmt.Errorf("%s: unable to understand watch event %#v", name, event))
continue
}
newResourceVersion := meta.GetResourceVersion()
resourceVersion := meta.GetResourceVersion()
switch event.Type {
case watch.Added:
err := r.store.Add(event.Object)
err := store.Add(event.Object)
if err != nil {
utilruntime.HandleError(fmt.Errorf("%s: unable to add watch event object (%#v) to store: %v", r.name, event.Object, err))
utilruntime.HandleError(fmt.Errorf("%s: unable to add watch event object (%#v) to store: %v", name, event.Object, err))
}
case watch.Modified:
err := r.store.Update(event.Object)
err := store.Update(event.Object)
if err != nil {
utilruntime.HandleError(fmt.Errorf("%s: unable to update watch event object (%#v) to store: %v", r.name, event.Object, err))
utilruntime.HandleError(fmt.Errorf("%s: unable to update watch event object (%#v) to store: %v", name, event.Object, err))
}
case watch.Deleted:
// TODO: Will any consumers need access to the "last known
// state", which is passed in event.Object? If so, may need
// to change this.
err := r.store.Delete(event.Object)
err := store.Delete(event.Object)
if err != nil {
utilruntime.HandleError(fmt.Errorf("%s: unable to delete watch event object (%#v) from store: %v", r.name, event.Object, err))
utilruntime.HandleError(fmt.Errorf("%s: unable to delete watch event object (%#v) from store: %v", name, event.Object, err))
}
case watch.Bookmark:
// A `Bookmark` means watch has synced here, just update the resourceVersion
default:
utilruntime.HandleError(fmt.Errorf("%s: unable to understand watch event %#v", r.name, event))
utilruntime.HandleError(fmt.Errorf("%s: unable to understand watch event %#v", name, event))
}
*resourceVersion = newResourceVersion
r.setLastSyncResourceVersion(newResourceVersion)
if rvu, ok := r.store.(ResourceVersionUpdater); ok {
rvu.UpdateResourceVersion(newResourceVersion)
setLastSyncResourceVersion(resourceVersion)
if rvu, ok := store.(ResourceVersionUpdater); ok {
rvu.UpdateResourceVersion(resourceVersion)
}
eventCount++
}
}
watchDuration := r.clock.Since(start)
watchDuration := clock.Since(start)
if watchDuration < 1*time.Second && eventCount == 0 {
return fmt.Errorf("very short watch: %s: Unexpected watch close - watch lasted less than a second and no items received", r.name)
return fmt.Errorf("very short watch: %s: Unexpected watch close - watch lasted less than a second and no items received", name)
}
klog.V(4).Infof("%s: Watch close - %v total %v items received", r.name, r.expectedTypeName, eventCount)
klog.V(4).Infof("%s: Watch close - %v total %v items received", name, expectedTypeName, eventCount)
return nil
}

78
vendor/k8s.io/client-go/tools/cache/retry_with_deadline.go generated vendored Normal file
View File

@@ -0,0 +1,78 @@
/*
Copyright 2022 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 cache
import (
"k8s.io/utils/clock"
"time"
)
type RetryWithDeadline interface {
After(error)
ShouldRetry() bool
}
type retryWithDeadlineImpl struct {
firstErrorTime time.Time
lastErrorTime time.Time
maxRetryDuration time.Duration
minResetPeriod time.Duration
isRetryable func(error) bool
clock clock.Clock
}
func NewRetryWithDeadline(maxRetryDuration, minResetPeriod time.Duration, isRetryable func(error) bool, clock clock.Clock) RetryWithDeadline {
return &retryWithDeadlineImpl{
firstErrorTime: time.Time{},
lastErrorTime: time.Time{},
maxRetryDuration: maxRetryDuration,
minResetPeriod: minResetPeriod,
isRetryable: isRetryable,
clock: clock,
}
}
func (r *retryWithDeadlineImpl) reset() {
r.firstErrorTime = time.Time{}
r.lastErrorTime = time.Time{}
}
func (r *retryWithDeadlineImpl) After(err error) {
if r.isRetryable(err) {
if r.clock.Now().Sub(r.lastErrorTime) >= r.minResetPeriod {
r.reset()
}
if r.firstErrorTime.IsZero() {
r.firstErrorTime = r.clock.Now()
}
r.lastErrorTime = r.clock.Now()
}
}
func (r *retryWithDeadlineImpl) ShouldRetry() bool {
if r.maxRetryDuration <= time.Duration(0) {
return false
}
if r.clock.Now().Sub(r.firstErrorTime) <= r.maxRetryDuration {
return true
}
r.reset()
return false
}

121
vendor/k8s.io/client-go/tools/cache/shared_informer.go generated vendored
View File

@@ -17,16 +17,17 @@ limitations under the License.
package cache
import (
"errors"
"fmt"
"sync"
"time"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/clock"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/utils/buffer"
"k8s.io/utils/clock"
"k8s.io/klog/v2"
)
@@ -180,6 +181,20 @@ type SharedInformer interface {
// The handler should return quickly - any expensive processing should be
// offloaded.
SetWatchErrorHandler(handler WatchErrorHandler) error
// The TransformFunc is called for each object which is about to be stored.
//
// This function is intended for you to take the opportunity to
// remove, transform, or normalize fields. One use case is to strip unused
// metadata fields out of objects to save on RAM cost.
//
// Must be set before starting the informer.
//
// Note: Since the object given to the handler may be already shared with
// other goroutines, it is advisable to copy the object being
// transform before mutating it at all and returning the copy to prevent
// data races.
SetTransform(handler TransformFunc) error
}
// SharedIndexInformer provides add and get Indexers ability based on SharedInformer.
@@ -244,7 +259,7 @@ func WaitForNamedCacheSync(controllerName string, stopCh <-chan struct{}, cacheS
return false
}
klog.Infof("Caches are synced for %s ", controllerName)
klog.Infof("Caches are synced for %s", controllerName)
return true
}
@@ -318,6 +333,8 @@ type sharedIndexInformer struct {
// Called whenever the ListAndWatch drops the connection with an error.
watchErrorHandler WatchErrorHandler
transform TransformFunc
}
// dummyController hides the fact that a SharedInformer is different from a dedicated one
@@ -365,9 +382,25 @@ func (s *sharedIndexInformer) SetWatchErrorHandler(handler WatchErrorHandler) er
return nil
}
func (s *sharedIndexInformer) SetTransform(handler TransformFunc) error {
s.startedLock.Lock()
defer s.startedLock.Unlock()
if s.started {
return fmt.Errorf("informer has already started")
}
s.transform = handler
return nil
}
func (s *sharedIndexInformer) Run(stopCh <-chan struct{}) {
defer utilruntime.HandleCrash()
if s.HasStarted() {
klog.Warningf("The sharedIndexInformer has started, run more than once is not allowed")
return
}
fifo := NewDeltaFIFOWithOptions(DeltaFIFOOptions{
KnownObjects: s.indexer,
EmitDeltaTypeReplaced: true,
@@ -410,6 +443,12 @@ func (s *sharedIndexInformer) Run(stopCh <-chan struct{}) {
s.controller.Run(stopCh)
}
func (s *sharedIndexInformer) HasStarted() bool {
s.startedLock.Lock()
defer s.startedLock.Unlock()
return s.started
}
func (s *sharedIndexInformer) HasSynced() bool {
s.startedLock.Lock()
defer s.startedLock.Unlock()
@@ -528,45 +567,47 @@ func (s *sharedIndexInformer) HandleDeltas(obj interface{}) error {
s.blockDeltas.Lock()
defer s.blockDeltas.Unlock()
// from oldest to newest
for _, d := range obj.(Deltas) {
switch d.Type {
case Sync, Replaced, Added, Updated:
s.cacheMutationDetector.AddObject(d.Object)
if old, exists, err := s.indexer.Get(d.Object); err == nil && exists {
if err := s.indexer.Update(d.Object); err != nil {
return err
}
if deltas, ok := obj.(Deltas); ok {
return processDeltas(s, s.indexer, s.transform, deltas)
}
return errors.New("object given as Process argument is not Deltas")
}
isSync := false
switch {
case d.Type == Sync:
// Sync events are only propagated to listeners that requested resync
isSync = true
case d.Type == Replaced:
if accessor, err := meta.Accessor(d.Object); err == nil {
if oldAccessor, err := meta.Accessor(old); err == nil {
// Replaced events that didn't change resourceVersion are treated as resync events
// and only propagated to listeners that requested resync
isSync = accessor.GetResourceVersion() == oldAccessor.GetResourceVersion()
}
}
}
s.processor.distribute(updateNotification{oldObj: old, newObj: d.Object}, isSync)
} else {
if err := s.indexer.Add(d.Object); err != nil {
return err
}
s.processor.distribute(addNotification{newObj: d.Object}, false)
}
case Deleted:
if err := s.indexer.Delete(d.Object); err != nil {
return err
}
s.processor.distribute(deleteNotification{oldObj: d.Object}, false)
// Conforms to ResourceEventHandler
func (s *sharedIndexInformer) OnAdd(obj interface{}) {
// Invocation of this function is locked under s.blockDeltas, so it is
// save to distribute the notification
s.cacheMutationDetector.AddObject(obj)
s.processor.distribute(addNotification{newObj: obj}, false)
}
// Conforms to ResourceEventHandler
func (s *sharedIndexInformer) OnUpdate(old, new interface{}) {
isSync := false
// If is a Sync event, isSync should be true
// If is a Replaced event, isSync is true if resource version is unchanged.
// If RV is unchanged: this is a Sync/Replaced event, so isSync is true
if accessor, err := meta.Accessor(new); err == nil {
if oldAccessor, err := meta.Accessor(old); err == nil {
// Events that didn't change resourceVersion are treated as resync events
// and only propagated to listeners that requested resync
isSync = accessor.GetResourceVersion() == oldAccessor.GetResourceVersion()
}
}
return nil
// Invocation of this function is locked under s.blockDeltas, so it is
// save to distribute the notification
s.cacheMutationDetector.AddObject(new)
s.processor.distribute(updateNotification{oldObj: old, newObj: new}, isSync)
}
// Conforms to ResourceEventHandler
func (s *sharedIndexInformer) OnDelete(old interface{}) {
// Invocation of this function is locked under s.blockDeltas, so it is
// save to distribute the notification
s.processor.distribute(deleteNotification{oldObj: old}, false)
}
// sharedProcessor has a collection of processorListener and can
@@ -694,9 +735,9 @@ type processorListener struct {
// full resync from the shared informer, but modified by two
// adjustments. One is imposing a lower bound,
// `minimumResyncPeriod`. The other is another lower bound, the
// sharedProcessor's `resyncCheckPeriod`, that is imposed (a) only
// sharedIndexInformer's `resyncCheckPeriod`, that is imposed (a) only
// in AddEventHandlerWithResyncPeriod invocations made after the
// sharedProcessor starts and (b) only if the informer does
// sharedIndexInformer starts and (b) only if the informer does
// resyncs at all.
requestedResyncPeriod time.Duration
// resyncPeriod is the threshold that will be used in the logic

18
vendor/k8s.io/client-go/tools/cache/store.go generated vendored
View File

@@ -85,6 +85,11 @@ func (k KeyError) Error() string {
return fmt.Sprintf("couldn't create key for object %+v: %v", k.Obj, k.Err)
}
// Unwrap implements errors.Unwrap
func (k KeyError) Unwrap() error {
return k.Err
}
// ExplicitKey can be passed to MetaNamespaceKeyFunc if you have the key for
// the object but not the object itself.
type ExplicitKey string
@@ -194,8 +199,11 @@ func (c *cache) Index(indexName string, obj interface{}) ([]interface{}, error)
return c.cacheStorage.Index(indexName, obj)
}
func (c *cache) IndexKeys(indexName, indexKey string) ([]string, error) {
return c.cacheStorage.IndexKeys(indexName, indexKey)
// IndexKeys returns the storage keys of the stored objects whose set of
// indexed values for the named index includes the given indexed value.
// The returned keys are suitable to pass to GetByKey().
func (c *cache) IndexKeys(indexName, indexedValue string) ([]string, error) {
return c.cacheStorage.IndexKeys(indexName, indexedValue)
}
// ListIndexFuncValues returns the list of generated values of an Index func
@@ -203,8 +211,10 @@ func (c *cache) ListIndexFuncValues(indexName string) []string {
return c.cacheStorage.ListIndexFuncValues(indexName)
}
func (c *cache) ByIndex(indexName, indexKey string) ([]interface{}, error) {
return c.cacheStorage.ByIndex(indexName, indexKey)
// ByIndex returns the stored objects whose set of indexed values
// for the named index includes the given indexed value.
func (c *cache) ByIndex(indexName, indexedValue string) ([]interface{}, error) {
return c.cacheStorage.ByIndex(indexName, indexedValue)
}
func (c *cache) AddIndexers(newIndexers Indexers) error {

100
vendor/k8s.io/client-go/tools/cache/thread_safe_store.go generated vendored
View File

@@ -47,9 +47,9 @@ type ThreadSafeStore interface {
ListKeys() []string
Replace(map[string]interface{}, string)
Index(indexName string, obj interface{}) ([]interface{}, error)
IndexKeys(indexName, indexKey string) ([]string, error)
IndexKeys(indexName, indexedValue string) ([]string, error)
ListIndexFuncValues(name string) []string
ByIndex(indexName, indexKey string) ([]interface{}, error)
ByIndex(indexName, indexedValue string) ([]interface{}, error)
GetIndexers() Indexers
// AddIndexers adds more indexers to this store. If you call this after you already have data
@@ -71,11 +71,7 @@ type threadSafeMap struct {
}
func (c *threadSafeMap) Add(key string, obj interface{}) {
c.lock.Lock()
defer c.lock.Unlock()
oldObject := c.items[key]
c.items[key] = obj
c.updateIndices(oldObject, obj, key)
c.Update(key, obj)
}
func (c *threadSafeMap) Update(key string, obj interface{}) {
@@ -90,7 +86,7 @@ func (c *threadSafeMap) Delete(key string) {
c.lock.Lock()
defer c.lock.Unlock()
if obj, exists := c.items[key]; exists {
c.deleteFromIndices(obj, key)
c.updateIndices(obj, nil, key)
delete(c.items, key)
}
}
@@ -251,61 +247,73 @@ func (c *threadSafeMap) AddIndexers(newIndexers Indexers) error {
return nil
}
// updateIndices modifies the objects location in the managed indexes, if this is an update, you must provide an oldObj
// updateIndices modifies the objects location in the managed indexes:
// - for create you must provide only the newObj
// - for update you must provide both the oldObj and the newObj
// - for delete you must provide only the oldObj
// updateIndices must be called from a function that already has a lock on the cache
func (c *threadSafeMap) updateIndices(oldObj interface{}, newObj interface{}, key string) {
// if we got an old object, we need to remove it before we add it again
if oldObj != nil {
c.deleteFromIndices(oldObj, key)
}
var oldIndexValues, indexValues []string
var err error
for name, indexFunc := range c.indexers {
indexValues, err := indexFunc(newObj)
if oldObj != nil {
oldIndexValues, err = indexFunc(oldObj)
} else {
oldIndexValues = oldIndexValues[:0]
}
if err != nil {
panic(fmt.Errorf("unable to calculate an index entry for key %q on index %q: %v", key, name, err))
}
if newObj != nil {
indexValues, err = indexFunc(newObj)
} else {
indexValues = indexValues[:0]
}
if err != nil {
panic(fmt.Errorf("unable to calculate an index entry for key %q on index %q: %v", key, name, err))
}
index := c.indices[name]
if index == nil {
index = Index{}
c.indices[name] = index
}
for _, indexValue := range indexValues {
set := index[indexValue]
if set == nil {
set = sets.String{}
index[indexValue] = set
}
set.Insert(key)
if len(indexValues) == 1 && len(oldIndexValues) == 1 && indexValues[0] == oldIndexValues[0] {
// We optimize for the most common case where indexFunc returns a single value which has not been changed
continue
}
for _, value := range oldIndexValues {
c.deleteKeyFromIndex(key, value, index)
}
for _, value := range indexValues {
c.addKeyToIndex(key, value, index)
}
}
}
// deleteFromIndices removes the object from each of the managed indexes
// it is intended to be called from a function that already has a lock on the cache
func (c *threadSafeMap) deleteFromIndices(obj interface{}, key string) {
for name, indexFunc := range c.indexers {
indexValues, err := indexFunc(obj)
if err != nil {
panic(fmt.Errorf("unable to calculate an index entry for key %q on index %q: %v", key, name, err))
}
func (c *threadSafeMap) addKeyToIndex(key, indexValue string, index Index) {
set := index[indexValue]
if set == nil {
set = sets.String{}
index[indexValue] = set
}
set.Insert(key)
}
index := c.indices[name]
if index == nil {
continue
}
for _, indexValue := range indexValues {
set := index[indexValue]
if set != nil {
set.Delete(key)
// If we don't delete the set when zero, indices with high cardinality
// short lived resources can cause memory to increase over time from
// unused empty sets. See `kubernetes/kubernetes/issues/84959`.
if len(set) == 0 {
delete(index, indexValue)
}
}
}
func (c *threadSafeMap) deleteKeyFromIndex(key, indexValue string, index Index) {
set := index[indexValue]
if set == nil {
return
}
set.Delete(key)
// If we don't delete the set when zero, indices with high cardinality
// short lived resources can cause memory to increase over time from
// unused empty sets. See `kubernetes/kubernetes/issues/84959`.
if len(set) == 0 {
delete(index, indexValue)
}
}

54
vendor/k8s.io/client-go/tools/clientcmd/api/types.go generated vendored
View File

@@ -124,7 +124,10 @@ type AuthInfo struct {
// Impersonate is the username to act-as.
// +optional
Impersonate string `json:"act-as,omitempty"`
// ImpersonateGroups is the groups to imperonate.
// ImpersonateUID is the uid to impersonate.
// +optional
ImpersonateUID string `json:"act-as-uid,omitempty"`
// ImpersonateGroups is the groups to impersonate.
// +optional
ImpersonateGroups []string `json:"act-as-groups,omitempty"`
// ImpersonateUserExtra contains additional information for impersonated user.
@@ -245,6 +248,33 @@ type ExecConfig struct {
// to be stored directly in the kubeconfig.
// +k8s:conversion-gen=false
Config runtime.Object
// InteractiveMode determines this plugin's relationship with standard input. Valid
// values are "Never" (this exec plugin never uses standard input), "IfAvailable" (this
// exec plugin wants to use standard input if it is available), or "Always" (this exec
// plugin requires standard input to function). See ExecInteractiveMode values for more
// details.
//
// If APIVersion is client.authentication.k8s.io/v1alpha1 or
// client.authentication.k8s.io/v1beta1, then this field is optional and defaults
// to "IfAvailable" when unset. Otherwise, this field is required.
// +optional
InteractiveMode ExecInteractiveMode
// StdinUnavailable indicates whether the exec authenticator can pass standard
// input through to this exec plugin. For example, a higher level entity might be using
// standard input for something else and therefore it would not be safe for the exec
// plugin to use standard input. This is kept here in order to keep all of the exec configuration
// together, but it is never serialized.
// +k8s:conversion-gen=false
StdinUnavailable bool
// StdinUnavailableMessage is an optional message to be displayed when the exec authenticator
// cannot successfully run this exec plugin because it needs to use standard input and
// StdinUnavailable is true. For example, a process that is already using standard input to
// read user instructions might set this to "used by my-program to read user instructions".
// +k8s:conversion-gen=false
StdinUnavailableMessage string
}
var _ fmt.Stringer = new(ExecConfig)
@@ -271,7 +301,7 @@ func (c ExecConfig) String() string {
if c.Config != nil {
config = "runtime.Object(--- REDACTED ---)"
}
return fmt.Sprintf("api.ExecConfig{Command: %q, Args: %#v, Env: %s, APIVersion: %q, ProvideClusterInfo: %t, Config: %s}", c.Command, args, env, c.APIVersion, c.ProvideClusterInfo, config)
return fmt.Sprintf("api.ExecConfig{Command: %q, Args: %#v, Env: %s, APIVersion: %q, ProvideClusterInfo: %t, Config: %s, StdinUnavailable: %t}", c.Command, args, env, c.APIVersion, c.ProvideClusterInfo, config, c.StdinUnavailable)
}
// ExecEnvVar is used for setting environment variables when executing an exec-based
@@ -281,6 +311,26 @@ type ExecEnvVar struct {
Value string `json:"value"`
}
// ExecInteractiveMode is a string that describes an exec plugin's relationship with standard input.
type ExecInteractiveMode string
const (
// NeverExecInteractiveMode declares that this exec plugin never needs to use standard
// input, and therefore the exec plugin will be run regardless of whether standard input is
// available for user input.
NeverExecInteractiveMode ExecInteractiveMode = "Never"
// IfAvailableExecInteractiveMode declares that this exec plugin would like to use standard input
// if it is available, but can still operate if standard input is not available. Therefore, the
// exec plugin will be run regardless of whether stdin is available for user input. If standard
// input is available for user input, then it will be provided to this exec plugin.
IfAvailableExecInteractiveMode ExecInteractiveMode = "IfAvailable"
// AlwaysExecInteractiveMode declares that this exec plugin requires standard input in order to
// run, and therefore the exec plugin will only be run if standard input is available for user
// input. If standard input is not available for user input, then the exec plugin will not be run
// and an error will be returned by the exec plugin runner.
AlwaysExecInteractiveMode ExecInteractiveMode = "Always"
)
// NewConfig is a convenience function that returns a new Config object with non-nil maps
func NewConfig() *Config {
return &Config{

2
vendor/k8s.io/client-go/tools/clientcmd/api/v1/conversion.go generated vendored
View File

@@ -165,7 +165,7 @@ func Convert_Map_string_To_runtime_Object_To_Slice_v1_NamedExtension(in *map[str
newExtension := (*in)[key]
oldExtension := runtime.RawExtension{}
if err := runtime.Convert_runtime_Object_To_runtime_RawExtension(&newExtension, &oldExtension, s); err != nil {
return nil
return err
}
namedExtension := NamedExtension{key, oldExtension}
*out = append(*out, namedExtension)

37
vendor/k8s.io/client-go/tools/clientcmd/api/v1/defaults.go generated vendored Normal file
View File

@@ -0,0 +1,37 @@
/*
Copyright 2021 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 v1
import (
"k8s.io/apimachinery/pkg/runtime"
)
func addDefaultingFuncs(scheme *runtime.Scheme) error {
return RegisterDefaults(scheme)
}
func SetDefaults_ExecConfig(exec *ExecConfig) {
if len(exec.InteractiveMode) == 0 {
switch exec.APIVersion {
case "client.authentication.k8s.io/v1beta1", "client.authentication.k8s.io/v1alpha1":
// default to IfAvailableExecInteractiveMode for backwards compatibility
exec.InteractiveMode = IfAvailableExecInteractiveMode
default:
// require other versions to explicitly declare whether they want stdin or not
}
}
}

1
vendor/k8s.io/client-go/tools/clientcmd/api/v1/doc.go generated vendored
View File

@@ -16,5 +16,6 @@ limitations under the License.
// +k8s:conversion-gen=k8s.io/client-go/tools/clientcmd/api
// +k8s:deepcopy-gen=package
// +k8s:defaulter-gen=Kind
package v1

2
vendor/k8s.io/client-go/tools/clientcmd/api/v1/register.go generated vendored
View File

@@ -37,7 +37,7 @@ func init() {
// We only register manually written functions here. The registration of the
// generated functions takes place in the generated files. The separation
// makes the code compile even when the generated files are missing.
localSchemeBuilder.Register(addKnownTypes)
localSchemeBuilder.Register(addKnownTypes, addDefaultingFuncs)
}
func addKnownTypes(scheme *runtime.Scheme) error {

39
vendor/k8s.io/client-go/tools/clientcmd/api/v1/types.go generated vendored
View File

@@ -111,10 +111,13 @@ type AuthInfo struct {
// TokenFile is a pointer to a file that contains a bearer token (as described above). If both Token and TokenFile are present, Token takes precedence.
// +optional
TokenFile string `json:"tokenFile,omitempty"`
// Impersonate is the username to imperonate. The name matches the flag.
// Impersonate is the username to impersonate. The name matches the flag.
// +optional
Impersonate string `json:"as,omitempty"`
// ImpersonateGroups is the groups to imperonate.
// ImpersonateUID is the uid to impersonate.
// +optional
ImpersonateUID string `json:"as-uid,omitempty"`
// ImpersonateGroups is the groups to impersonate.
// +optional
ImpersonateGroups []string `json:"as-groups,omitempty"`
// ImpersonateUserExtra contains additional information for impersonated user.
@@ -221,6 +224,18 @@ type ExecConfig struct {
// to false. Package k8s.io/client-go/tools/auth/exec provides helper methods for
// reading this environment variable.
ProvideClusterInfo bool `json:"provideClusterInfo"`
// InteractiveMode determines this plugin's relationship with standard input. Valid
// values are "Never" (this exec plugin never uses standard input), "IfAvailable" (this
// exec plugin wants to use standard input if it is available), or "Always" (this exec
// plugin requires standard input to function). See ExecInteractiveMode values for more
// details.
//
// If APIVersion is client.authentication.k8s.io/v1alpha1 or
// client.authentication.k8s.io/v1beta1, then this field is optional and defaults
// to "IfAvailable" when unset. Otherwise, this field is required.
//+optional
InteractiveMode ExecInteractiveMode `json:"interactiveMode,omitempty"`
}
// ExecEnvVar is used for setting environment variables when executing an exec-based
@@ -229,3 +244,23 @@ type ExecEnvVar struct {
Name string `json:"name"`
Value string `json:"value"`
}
// ExecInteractiveMode is a string that describes an exec plugin's relationship with standard input.
type ExecInteractiveMode string
const (
// NeverExecInteractiveMode declares that this exec plugin never needs to use standard
// input, and therefore the exec plugin will be run regardless of whether standard input is
// available for user input.
NeverExecInteractiveMode ExecInteractiveMode = "Never"
// IfAvailableExecInteractiveMode declares that this exec plugin would like to use standard input
// if it is available, but can still operate if standard input is not available. Therefore, the
// exec plugin will be run regardless of whether stdin is available for user input. If standard
// input is available for user input, then it will be provided to this exec plugin.
IfAvailableExecInteractiveMode ExecInteractiveMode = "IfAvailable"
// AlwaysExecInteractiveMode declares that this exec plugin requires standard input in order to
// run, and therefore the exec plugin will only be run if standard input is available for user
// input. If standard input is not available for user input, then the exec plugin will not be run
// and an error will be returned by the exec plugin runner.
AlwaysExecInteractiveMode ExecInteractiveMode = "Always"
)

7
vendor/k8s.io/client-go/tools/clientcmd/api/v1/zz_generated.conversion.go generated vendored
View File

@@ -1,3 +1,4 @@
//go:build !ignore_autogenerated
// +build !ignore_autogenerated
/*
@@ -166,6 +167,7 @@ func autoConvert_v1_AuthInfo_To_api_AuthInfo(in *AuthInfo, out *api.AuthInfo, s
out.Token = in.Token
out.TokenFile = in.TokenFile
out.Impersonate = in.Impersonate
out.ImpersonateUID = in.ImpersonateUID
out.ImpersonateGroups = *(*[]string)(unsafe.Pointer(&in.ImpersonateGroups))
out.ImpersonateUserExtra = *(*map[string][]string)(unsafe.Pointer(&in.ImpersonateUserExtra))
out.Username = in.Username
@@ -200,6 +202,7 @@ func autoConvert_api_AuthInfo_To_v1_AuthInfo(in *api.AuthInfo, out *AuthInfo, s
out.Token = in.Token
out.TokenFile = in.TokenFile
out.Impersonate = in.Impersonate
out.ImpersonateUID = in.ImpersonateUID
out.ImpersonateGroups = *(*[]string)(unsafe.Pointer(&in.ImpersonateGroups))
out.ImpersonateUserExtra = *(*map[string][]string)(unsafe.Pointer(&in.ImpersonateUserExtra))
out.Username = in.Username
@@ -376,6 +379,7 @@ func autoConvert_v1_ExecConfig_To_api_ExecConfig(in *ExecConfig, out *api.ExecCo
out.APIVersion = in.APIVersion
out.InstallHint = in.InstallHint
out.ProvideClusterInfo = in.ProvideClusterInfo
out.InteractiveMode = api.ExecInteractiveMode(in.InteractiveMode)
return nil
}
@@ -392,6 +396,9 @@ func autoConvert_api_ExecConfig_To_v1_ExecConfig(in *api.ExecConfig, out *ExecCo
out.InstallHint = in.InstallHint
out.ProvideClusterInfo = in.ProvideClusterInfo
// INFO: in.Config opted out of conversion generation
out.InteractiveMode = ExecInteractiveMode(in.InteractiveMode)
// INFO: in.StdinUnavailable opted out of conversion generation
// INFO: in.StdinUnavailableMessage opted out of conversion generation
return nil
}

1
vendor/k8s.io/client-go/tools/clientcmd/api/v1/zz_generated.deepcopy.go generated vendored
View File

@@ -1,3 +1,4 @@
//go:build !ignore_autogenerated
// +build !ignore_autogenerated
/*

43
vendor/k8s.io/client-go/tools/clientcmd/api/v1/zz_generated.defaults.go generated vendored Normal file
View File

@@ -0,0 +1,43 @@
//go:build !ignore_autogenerated
// +build !ignore_autogenerated
/*
Copyright 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.
*/
// Code generated by defaulter-gen. DO NOT EDIT.
package v1
import (
runtime "k8s.io/apimachinery/pkg/runtime"
)
// RegisterDefaults adds defaulters functions to the given scheme.
// Public to allow building arbitrary schemes.
// All generated defaulters are covering - they call all nested defaulters.
func RegisterDefaults(scheme *runtime.Scheme) error {
scheme.AddTypeDefaultingFunc(&Config{}, func(obj interface{}) { SetObjectDefaults_Config(obj.(*Config)) })
return nil
}
func SetObjectDefaults_Config(in *Config) {
for i := range in.AuthInfos {
a := &in.AuthInfos[i]
if a.AuthInfo.Exec != nil {
SetDefaults_ExecConfig(a.AuthInfo.Exec)
}
}
}

1
vendor/k8s.io/client-go/tools/clientcmd/api/zz_generated.deepcopy.go generated vendored
View File

@@ -1,3 +1,4 @@
//go:build !ignore_autogenerated
// +build !ignore_autogenerated
/*

2
vendor/k8s.io/client-go/tools/clientcmd/auth_loaders.go generated vendored
View File

@@ -51,10 +51,10 @@ func (a *PromptingAuthLoader) LoadAuth(path string) (*clientauth.Info, error) {
// Prompt for user/pass and write a file if none exists.
if _, err := os.Stat(path); os.IsNotExist(err) {
authPtr, err := a.Prompt()
auth := *authPtr
if err != nil {
return nil, err
}
auth := *authPtr
data, err := json.Marshal(auth)
if err != nil {
return &auth, err

2
vendor/k8s.io/client-go/tools/clientcmd/client_config.go generated vendored
View File

@@ -181,6 +181,7 @@ func (config *DirectClientConfig) ClientConfig() (*restclient.Config, error) {
if len(configAuthInfo.Impersonate) > 0 {
clientConfig.Impersonate = restclient.ImpersonationConfig{
UserName: configAuthInfo.Impersonate,
UID: configAuthInfo.ImpersonateUID,
Groups: configAuthInfo.ImpersonateGroups,
Extra: configAuthInfo.ImpersonateUserExtra,
}
@@ -255,6 +256,7 @@ func (config *DirectClientConfig) getUserIdentificationPartialConfig(configAuthI
if len(configAuthInfo.Impersonate) > 0 {
mergedConfig.Impersonate = restclient.ImpersonationConfig{
UserName: configAuthInfo.Impersonate,
UID: configAuthInfo.ImpersonateUID,
Groups: configAuthInfo.ImpersonateGroups,
Extra: configAuthInfo.ImpersonateUserExtra,
}

6
vendor/k8s.io/client-go/tools/clientcmd/config.go generated vendored
View File

@@ -135,11 +135,7 @@ func (o *PathOptions) GetDefaultFilename() string {
}
func (o *PathOptions) IsExplicitFile() bool {
if len(o.LoadingRules.ExplicitPath) > 0 {
return true
}
return false
return len(o.LoadingRules.ExplicitPath) > 0
}
func (o *PathOptions) GetExplicitFile() string {

6
vendor/k8s.io/client-go/tools/clientcmd/loader.go generated vendored
View File

@@ -160,8 +160,10 @@ func NewDefaultClientConfigLoadingRules() *ClientConfigLoadingRules {
// Load starts by running the MigrationRules and then
// takes the loading rules and returns a Config object based on following rules.
// if the ExplicitPath, return the unmerged explicit file
// Otherwise, return a merged config based on the Precedence slice
//
// if the ExplicitPath, return the unmerged explicit file
// Otherwise, return a merged config based on the Precedence slice
//
// A missing ExplicitPath file produces an error. Empty filenames or other missing files are ignored.
// Read errors or files with non-deserializable content produce errors.
// The first file to set a particular map key wins and map key's value is never changed.

8
vendor/k8s.io/client-go/tools/clientcmd/overrides.go generated vendored
View File

@@ -53,6 +53,7 @@ type AuthOverrideFlags struct {
ClientKey FlagInfo
Token FlagInfo
Impersonate FlagInfo
ImpersonateUID FlagInfo
ImpersonateGroups FlagInfo
Username FlagInfo
Password FlagInfo
@@ -72,6 +73,7 @@ type ClusterOverrideFlags struct {
CertificateAuthority FlagInfo
InsecureSkipTLSVerify FlagInfo
TLSServerName FlagInfo
ProxyURL FlagInfo
}
// FlagInfo contains information about how to register a flag. This struct is useful if you want to provide a way for an extender to
@@ -154,10 +156,12 @@ const (
FlagEmbedCerts = "embed-certs"
FlagBearerToken = "token"
FlagImpersonate = "as"
FlagImpersonateUID = "as-uid"
FlagImpersonateGroup = "as-group"
FlagUsername = "username"
FlagPassword = "password"
FlagTimeout = "request-timeout"
FlagProxyURL = "proxy-url"
)
// RecommendedConfigOverrideFlags is a convenience method to return recommended flag names prefixed with a string of your choosing
@@ -179,6 +183,7 @@ func RecommendedAuthOverrideFlags(prefix string) AuthOverrideFlags {
ClientKey: FlagInfo{prefix + FlagKeyFile, "", "", "Path to a client key file for TLS"},
Token: FlagInfo{prefix + FlagBearerToken, "", "", "Bearer token for authentication to the API server"},
Impersonate: FlagInfo{prefix + FlagImpersonate, "", "", "Username to impersonate for the operation"},
ImpersonateUID: FlagInfo{prefix + FlagImpersonateUID, "", "", "UID to impersonate for the operation"},
ImpersonateGroups: FlagInfo{prefix + FlagImpersonateGroup, "", "", "Group to impersonate for the operation, this flag can be repeated to specify multiple groups."},
Username: FlagInfo{prefix + FlagUsername, "", "", "Username for basic authentication to the API server"},
Password: FlagInfo{prefix + FlagPassword, "", "", "Password for basic authentication to the API server"},
@@ -192,6 +197,7 @@ func RecommendedClusterOverrideFlags(prefix string) ClusterOverrideFlags {
CertificateAuthority: FlagInfo{prefix + FlagCAFile, "", "", "Path to a cert file for the certificate authority"},
InsecureSkipTLSVerify: FlagInfo{prefix + FlagInsecure, "", "false", "If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure"},
TLSServerName: FlagInfo{prefix + FlagTLSServerName, "", "", "If provided, this name will be used to validate server certificate. If this is not provided, hostname used to contact the server is used."},
ProxyURL: FlagInfo{prefix + FlagProxyURL, "", "", "If provided, this URL will be used to connect via proxy"},
}
}
@@ -219,6 +225,7 @@ func BindAuthInfoFlags(authInfo *clientcmdapi.AuthInfo, flags *pflag.FlagSet, fl
flagNames.ClientKey.BindStringFlag(flags, &authInfo.ClientKey).AddSecretAnnotation(flags)
flagNames.Token.BindStringFlag(flags, &authInfo.Token).AddSecretAnnotation(flags)
flagNames.Impersonate.BindStringFlag(flags, &authInfo.Impersonate).AddSecretAnnotation(flags)
flagNames.ImpersonateUID.BindStringFlag(flags, &authInfo.ImpersonateUID).AddSecretAnnotation(flags)
flagNames.ImpersonateGroups.BindStringArrayFlag(flags, &authInfo.ImpersonateGroups).AddSecretAnnotation(flags)
flagNames.Username.BindStringFlag(flags, &authInfo.Username).AddSecretAnnotation(flags)
flagNames.Password.BindStringFlag(flags, &authInfo.Password).AddSecretAnnotation(flags)
@@ -230,6 +237,7 @@ func BindClusterFlags(clusterInfo *clientcmdapi.Cluster, flags *pflag.FlagSet, f
flagNames.CertificateAuthority.BindStringFlag(flags, &clusterInfo.CertificateAuthority)
flagNames.InsecureSkipTLSVerify.BindBoolFlag(flags, &clusterInfo.InsecureSkipTLSVerify)
flagNames.TLSServerName.BindStringFlag(flags, &clusterInfo.TLSServerName)
flagNames.ProxyURL.BindStringFlag(flags, &clusterInfo.ProxyURL)
}
// BindFlags is a convenience method to bind the specified flags to their associated variables

37
vendor/k8s.io/client-go/tools/clientcmd/validation.go generated vendored
View File

@@ -204,8 +204,19 @@ func ConfirmUsable(config clientcmdapi.Config, passedContextName string) error {
if exists {
validationErrors = append(validationErrors, validateContext(contextName, *context, config)...)
validationErrors = append(validationErrors, validateAuthInfo(context.AuthInfo, *config.AuthInfos[context.AuthInfo])...)
validationErrors = append(validationErrors, validateClusterInfo(context.Cluster, *config.Clusters[context.Cluster])...)
// Default to empty users and clusters and let the validation function report an error.
authInfo := config.AuthInfos[context.AuthInfo]
if authInfo == nil {
authInfo = &clientcmdapi.AuthInfo{}
}
validationErrors = append(validationErrors, validateAuthInfo(context.AuthInfo, *authInfo)...)
cluster := config.Clusters[context.Cluster]
if cluster == nil {
cluster = &clientcmdapi.Cluster{}
}
validationErrors = append(validationErrors, validateClusterInfo(context.Cluster, *cluster)...)
}
return newErrConfigurationInvalid(validationErrors)
@@ -229,7 +240,7 @@ func validateClusterInfo(clusterName string, clusterInfo clientcmdapi.Cluster) [
}
if proxyURL := clusterInfo.ProxyURL; proxyURL != "" {
if _, err := parseProxyURL(proxyURL); err != nil {
validationErrors = append(validationErrors, fmt.Errorf("invalid 'proxy-url' %q for cluster %q: %v", proxyURL, clusterName, err))
validationErrors = append(validationErrors, fmt.Errorf("invalid 'proxy-url' %q for cluster %q: %w", proxyURL, clusterName, err))
}
}
// Make sure CA data and CA file aren't both specified
@@ -239,7 +250,7 @@ func validateClusterInfo(clusterName string, clusterInfo clientcmdapi.Cluster) [
if len(clusterInfo.CertificateAuthority) != 0 {
clientCertCA, err := os.Open(clusterInfo.CertificateAuthority)
if err != nil {
validationErrors = append(validationErrors, fmt.Errorf("unable to read certificate-authority %v for %v due to %v", clusterInfo.CertificateAuthority, clusterName, err))
validationErrors = append(validationErrors, fmt.Errorf("unable to read certificate-authority %v for %v due to %w", clusterInfo.CertificateAuthority, clusterName, err))
} else {
defer clientCertCA.Close()
}
@@ -278,7 +289,7 @@ func validateAuthInfo(authInfoName string, authInfo clientcmdapi.AuthInfo) []err
if len(authInfo.ClientCertificate) != 0 {
clientCertFile, err := os.Open(authInfo.ClientCertificate)
if err != nil {
validationErrors = append(validationErrors, fmt.Errorf("unable to read client-cert %v for %v due to %v", authInfo.ClientCertificate, authInfoName, err))
validationErrors = append(validationErrors, fmt.Errorf("unable to read client-cert %v for %v due to %w", authInfo.ClientCertificate, authInfoName, err))
} else {
defer clientCertFile.Close()
}
@@ -286,7 +297,7 @@ func validateAuthInfo(authInfoName string, authInfo clientcmdapi.AuthInfo) []err
if len(authInfo.ClientKey) != 0 {
clientKeyFile, err := os.Open(authInfo.ClientKey)
if err != nil {
validationErrors = append(validationErrors, fmt.Errorf("unable to read client-key %v for %v due to %v", authInfo.ClientKey, authInfoName, err))
validationErrors = append(validationErrors, fmt.Errorf("unable to read client-key %v for %v due to %w", authInfo.ClientKey, authInfoName, err))
} else {
defer clientKeyFile.Close()
}
@@ -308,6 +319,14 @@ func validateAuthInfo(authInfoName string, authInfo clientcmdapi.AuthInfo) []err
validationErrors = append(validationErrors, fmt.Errorf("env variable name must be specified for %v to use exec authentication plugin", authInfoName))
}
}
switch authInfo.Exec.InteractiveMode {
case "":
validationErrors = append(validationErrors, fmt.Errorf("interactiveMode must be specified for %v to use exec authentication plugin", authInfoName))
case clientcmdapi.NeverExecInteractiveMode, clientcmdapi.IfAvailableExecInteractiveMode, clientcmdapi.AlwaysExecInteractiveMode:
// These are valid
default:
validationErrors = append(validationErrors, fmt.Errorf("invalid interactiveMode for %v: %q", authInfoName, authInfo.Exec.InteractiveMode))
}
}
// authPath also provides information for the client to identify the server, so allow multiple auth methods in that case
@@ -315,9 +334,9 @@ func validateAuthInfo(authInfoName string, authInfo clientcmdapi.AuthInfo) []err
validationErrors = append(validationErrors, fmt.Errorf("more than one authentication method found for %v; found %v, only one is allowed", authInfoName, methods))
}
// ImpersonateGroups or ImpersonateUserExtra should be requested with a user
if (len(authInfo.ImpersonateGroups) > 0 || len(authInfo.ImpersonateUserExtra) > 0) && (len(authInfo.Impersonate) == 0) {
validationErrors = append(validationErrors, fmt.Errorf("requesting groups or user-extra for %v without impersonating a user", authInfoName))
// ImpersonateUID, ImpersonateGroups or ImpersonateUserExtra should be requested with a user
if (len(authInfo.ImpersonateUID) > 0 || len(authInfo.ImpersonateGroups) > 0 || len(authInfo.ImpersonateUserExtra) > 0) && (len(authInfo.Impersonate) == 0) {
validationErrors = append(validationErrors, fmt.Errorf("requesting uid, groups or user-extra for %v without impersonating a user", authInfoName))
}
return validationErrors
}

12
vendor/k8s.io/client-go/tools/events/OWNERS generated vendored
View File

@@ -1,10 +1,10 @@
# See the OWNERS docs at https://go.k8s.io/owners
approvers:
- sig-instrumentation-approvers
- yastij
- wojtek-t
- sig-instrumentation-approvers
- wojtek-t
reviewers:
- sig-instrumentation-reviewers
- yastij
- wojtek-t
- sig-instrumentation-reviewers
- wojtek-t
emeritus_approvers:
- yastij

2
vendor/k8s.io/client-go/tools/events/doc.go generated vendored
View File

@@ -15,5 +15,5 @@ limitations under the License.
*/
// Package events has all client logic for recording and reporting
// "k8s.io/api/events/v1beta1".Event events.
// "k8s.io/api/events/v1".Event events.
package events // import "k8s.io/client-go/tools/events"

26
vendor/k8s.io/client-go/tools/events/event_broadcaster.go generated vendored
View File

@@ -29,7 +29,6 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/json"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/strategicpatch"
@@ -43,6 +42,7 @@ import (
"k8s.io/client-go/tools/record"
"k8s.io/client-go/tools/record/util"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
)
const (
@@ -290,10 +290,32 @@ func getKey(event *eventsv1.Event) eventKey {
return key
}
// StartStructuredLogging starts sending events received from this EventBroadcaster to the structured logging function.
// The return value can be ignored or used to stop recording, if desired.
func (e *eventBroadcasterImpl) StartStructuredLogging(verbosity klog.Level) func() {
return e.StartEventWatcher(
func(obj runtime.Object) {
event, ok := obj.(*eventsv1.Event)
if !ok {
klog.Errorf("unexpected type, expected eventsv1.Event")
return
}
klog.V(verbosity).InfoS("Event occurred", "object", klog.KRef(event.Regarding.Namespace, event.Regarding.Name), "kind", event.Regarding.Kind, "apiVersion", event.Regarding.APIVersion, "type", event.Type, "reason", event.Reason, "action", event.Action, "note", event.Note)
})
}
// StartEventWatcher starts sending events received from this EventBroadcaster to the given event handler function.
// The return value is used to stop recording
func (e *eventBroadcasterImpl) StartEventWatcher(eventHandler func(event runtime.Object)) func() {
watcher := e.Watch()
watcher, err := e.Watch()
if err != nil {
klog.Errorf("Unable start event watcher: '%v' (will not retry!)", err)
// TODO: Rewrite the function signature to return an error, for
// now just return a no-op function
return func() {
klog.Error("The event watcher failed to start")
}
}
go func() {
defer utilruntime.HandleCrash()
for {

12
vendor/k8s.io/client-go/tools/events/event_recorder.go generated vendored
View File

@@ -24,12 +24,12 @@ import (
eventsv1 "k8s.io/api/events/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/clock"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/tools/record/util"
"k8s.io/client-go/tools/reference"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
)
type recorderImpl struct {
@@ -48,9 +48,13 @@ func (recorder *recorderImpl) Eventf(regarding runtime.Object, related runtime.O
klog.Errorf("Could not construct reference to: '%#v' due to: '%v'. Will not report event: '%v' '%v' '%v'", regarding, err, eventtype, reason, message)
return
}
refRelated, err := reference.GetReference(recorder.scheme, related)
if err != nil {
klog.V(9).Infof("Could not construct reference to: '%#v' due to: '%v'.", related, err)
var refRelated *v1.ObjectReference
if related != nil {
refRelated, err = reference.GetReference(recorder.scheme, related)
if err != nil {
klog.V(9).Infof("Could not construct reference to: '%#v' due to: '%v'.", related, err)
}
}
if !util.ValidateEventType(eventtype) {
klog.Errorf("Unsupported event type: '%v'", eventtype)

64
vendor/k8s.io/client-go/tools/events/helper.go generated vendored Normal file
View File

@@ -0,0 +1,64 @@
/*
Copyright 2021 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 events
import (
"fmt"
corev1 "k8s.io/api/core/v1"
eventsv1 "k8s.io/api/events/v1"
eventsv1beta1 "k8s.io/api/events/v1beta1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
)
var mapping = map[schema.GroupVersion]string{
eventsv1.SchemeGroupVersion: "regarding",
eventsv1beta1.SchemeGroupVersion: "regarding",
corev1.SchemeGroupVersion: "involvedObject",
}
// GetFieldSelector returns the appropriate field selector based on the API version being used to communicate with the server.
// The returned field selector can be used with List and Watch to filter desired events.
func GetFieldSelector(eventsGroupVersion schema.GroupVersion, regardingGroupVersionKind schema.GroupVersionKind, regardingName string, regardingUID types.UID) (fields.Selector, error) {
field := fields.Set{}
if _, ok := mapping[eventsGroupVersion]; !ok {
return nil, fmt.Errorf("unknown version %v", eventsGroupVersion)
}
prefix := mapping[eventsGroupVersion]
if len(regardingName) > 0 {
field[prefix+".name"] = regardingName
}
if len(regardingGroupVersionKind.Kind) > 0 {
field[prefix+".kind"] = regardingGroupVersionKind.Kind
}
regardingGroupVersion := regardingGroupVersionKind.GroupVersion()
if !regardingGroupVersion.Empty() {
field[prefix+".apiVersion"] = regardingGroupVersion.String()
}
if len(regardingUID) > 0 {
field[prefix+".uid"] = string(regardingUID)
}
return field.AsSelector(), nil
}

5
vendor/k8s.io/client-go/tools/events/interfaces.go generated vendored
View File

@@ -20,6 +20,7 @@ import (
eventsv1 "k8s.io/api/events/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/tools/record"
"k8s.io/klog/v2"
)
// EventRecorder knows how to record events on behalf of an EventSource.
@@ -56,6 +57,10 @@ type EventBroadcaster interface {
// TODO: figure out if this can be removed.
StartEventWatcher(eventHandler func(event runtime.Object)) func()
// StartStructuredLogging starts sending events received from this EventBroadcaster to the structured
// logging function. The return value can be ignored or used to stop recording, if desired.
StartStructuredLogging(verbosity klog.Level) func()
// Shutdown shuts down the broadcaster
Shutdown()
}

15
vendor/k8s.io/client-go/tools/leaderelection/OWNERS generated vendored
View File

@@ -1,12 +1,11 @@
# See the OWNERS docs at https://go.k8s.io/owners
approvers:
- mikedanese
- timothysc
- mikedanese
reviewers:
- wojtek-t
- deads2k
- mikedanese
- timothysc
- ingvagabund
- resouer
- wojtek-t
- deads2k
- mikedanese
- ingvagabund
emeritus_approvers:
- timothysc

50
vendor/k8s.io/client-go/tools/leaderelection/leaderelection.go generated vendored
View File

@@ -56,14 +56,15 @@ import (
"bytes"
"context"
"fmt"
"sync"
"time"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
rl "k8s.io/client-go/tools/leaderelection/resourcelock"
"k8s.io/utils/clock"
"k8s.io/klog/v2"
)
@@ -142,7 +143,7 @@ type LeaderElectionConfig struct {
Callbacks LeaderCallbacks
// WatchDog is the associated health checker
// WatchDog may be null if its not needed/configured.
// WatchDog may be null if it's not needed/configured.
WatchDog *HealthzAdaptor
// ReleaseOnCancel should be set true if the lock should be released
@@ -160,7 +161,7 @@ type LeaderElectionConfig struct {
// lifecycle events of the LeaderElector. These are invoked asynchronously.
//
// possible future callbacks:
// * OnChallenge()
// - OnChallenge()
type LeaderCallbacks struct {
// OnStartedLeading is called when a LeaderElector client starts leading
OnStartedLeading func(context.Context)
@@ -187,6 +188,9 @@ type LeaderElector struct {
// clock is wrapper around time to allow for less flaky testing
clock clock.Clock
// used to lock the observedRecord
observedRecordLock sync.Mutex
metrics leaderMetricsAdapter
}
@@ -224,13 +228,14 @@ func RunOrDie(ctx context.Context, lec LeaderElectionConfig) {
// GetLeader returns the identity of the last observed leader or returns the empty string if
// no leader has yet been observed.
// This function is for informational purposes. (e.g. monitoring, logs, etc.)
func (le *LeaderElector) GetLeader() string {
return le.observedRecord.HolderIdentity
return le.getObservedRecord().HolderIdentity
}
// IsLeader returns true if the last observed leader was this client else returns false.
func (le *LeaderElector) IsLeader() bool {
return le.observedRecord.HolderIdentity == le.config.Lock.Identity()
return le.getObservedRecord().HolderIdentity == le.config.Lock.Identity()
}
// acquire loops calling tryAcquireOrRenew and returns true immediately when tryAcquireOrRenew succeeds.
@@ -301,8 +306,8 @@ func (le *LeaderElector) release() bool {
klog.Errorf("Failed to release lock: %v", err)
return false
}
le.observedRecord = leaderElectionRecord
le.observedTime = le.clock.Now()
le.setObservedRecord(&leaderElectionRecord)
return true
}
@@ -329,16 +334,17 @@ func (le *LeaderElector) tryAcquireOrRenew(ctx context.Context) bool {
klog.Errorf("error initially creating leader election record: %v", err)
return false
}
le.observedRecord = leaderElectionRecord
le.observedTime = le.clock.Now()
le.setObservedRecord(&leaderElectionRecord)
return true
}
// 2. Record obtained, check the Identity & Time
if !bytes.Equal(le.observedRawRecord, oldLeaderElectionRawRecord) {
le.observedRecord = *oldLeaderElectionRecord
le.setObservedRecord(oldLeaderElectionRecord)
le.observedRawRecord = oldLeaderElectionRawRecord
le.observedTime = le.clock.Now()
}
if len(oldLeaderElectionRecord.HolderIdentity) > 0 &&
le.observedTime.Add(le.config.LeaseDuration).After(now.Time) &&
@@ -362,8 +368,7 @@ func (le *LeaderElector) tryAcquireOrRenew(ctx context.Context) bool {
return false
}
le.observedRecord = leaderElectionRecord
le.observedTime = le.clock.Now()
le.setObservedRecord(&leaderElectionRecord)
return true
}
@@ -392,3 +397,22 @@ func (le *LeaderElector) Check(maxTolerableExpiredLease time.Duration) error {
return nil
}
// setObservedRecord will set a new observedRecord and update observedTime to the current time.
// Protect critical sections with lock.
func (le *LeaderElector) setObservedRecord(observedRecord *rl.LeaderElectionRecord) {
le.observedRecordLock.Lock()
defer le.observedRecordLock.Unlock()
le.observedRecord = *observedRecord
le.observedTime = le.clock.Now()
}
// getObservedRecord returns observersRecord.
// Protect critical sections with lock.
func (le *LeaderElector) getObservedRecord() rl.LeaderElectionRecord {
le.observedRecordLock.Lock()
defer le.observedRecordLock.Unlock()
return le.observedRecord
}

20
vendor/k8s.io/client-go/tools/leaderelection/resourcelock/configmaplock.go generated vendored
View File

@@ -32,7 +32,7 @@ import (
// and use ConfigMaps as the means to pass that configuration
// data we will likely move to deprecate the Endpoints lock.
type ConfigMapLock struct {
type configMapLock struct {
// ConfigMapMeta should contain a Name and a Namespace of a
// ConfigMapMeta object that the LeaderElector will attempt to lead.
ConfigMapMeta metav1.ObjectMeta
@@ -42,7 +42,7 @@ type ConfigMapLock struct {
}
// Get returns the election record from a ConfigMap Annotation
func (cml *ConfigMapLock) Get(ctx context.Context) (*LeaderElectionRecord, []byte, error) {
func (cml *configMapLock) Get(ctx context.Context) (*LeaderElectionRecord, []byte, error) {
var record LeaderElectionRecord
var err error
cml.cm, err = cml.Client.ConfigMaps(cml.ConfigMapMeta.Namespace).Get(ctx, cml.ConfigMapMeta.Name, metav1.GetOptions{})
@@ -63,7 +63,7 @@ func (cml *ConfigMapLock) Get(ctx context.Context) (*LeaderElectionRecord, []byt
}
// Create attempts to create a LeaderElectionRecord annotation
func (cml *ConfigMapLock) Create(ctx context.Context, ler LeaderElectionRecord) error {
func (cml *configMapLock) Create(ctx context.Context, ler LeaderElectionRecord) error {
recordBytes, err := json.Marshal(ler)
if err != nil {
return err
@@ -81,7 +81,7 @@ func (cml *ConfigMapLock) Create(ctx context.Context, ler LeaderElectionRecord)
}
// Update will update an existing annotation on a given resource.
func (cml *ConfigMapLock) Update(ctx context.Context, ler LeaderElectionRecord) error {
func (cml *configMapLock) Update(ctx context.Context, ler LeaderElectionRecord) error {
if cml.cm == nil {
return errors.New("configmap not initialized, call get or create first")
}
@@ -102,21 +102,25 @@ func (cml *ConfigMapLock) Update(ctx context.Context, ler LeaderElectionRecord)
}
// RecordEvent in leader election while adding meta-data
func (cml *ConfigMapLock) RecordEvent(s string) {
func (cml *configMapLock) RecordEvent(s string) {
if cml.LockConfig.EventRecorder == nil {
return
}
events := fmt.Sprintf("%v %v", cml.LockConfig.Identity, s)
cml.LockConfig.EventRecorder.Eventf(&v1.ConfigMap{ObjectMeta: cml.cm.ObjectMeta}, v1.EventTypeNormal, "LeaderElection", events)
subject := &v1.ConfigMap{ObjectMeta: cml.cm.ObjectMeta}
// Populate the type meta, so we don't have to get it from the schema
subject.Kind = "ConfigMap"
subject.APIVersion = v1.SchemeGroupVersion.String()
cml.LockConfig.EventRecorder.Eventf(subject, v1.EventTypeNormal, "LeaderElection", events)
}
// Describe is used to convert details on current resource lock
// into a string
func (cml *ConfigMapLock) Describe() string {
func (cml *configMapLock) Describe() string {
return fmt.Sprintf("%v/%v", cml.ConfigMapMeta.Namespace, cml.ConfigMapMeta.Name)
}
// Identity returns the Identity of the lock
func (cml *ConfigMapLock) Identity() string {
func (cml *configMapLock) Identity() string {
return cml.LockConfig.Identity
}

20
vendor/k8s.io/client-go/tools/leaderelection/resourcelock/endpointslock.go generated vendored
View File

@@ -27,7 +27,7 @@ import (
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
)
type EndpointsLock struct {
type endpointsLock struct {
// EndpointsMeta should contain a Name and a Namespace of an
// Endpoints object that the LeaderElector will attempt to lead.
EndpointsMeta metav1.ObjectMeta
@@ -37,7 +37,7 @@ type EndpointsLock struct {
}
// Get returns the election record from a Endpoints Annotation
func (el *EndpointsLock) Get(ctx context.Context) (*LeaderElectionRecord, []byte, error) {
func (el *endpointsLock) Get(ctx context.Context) (*LeaderElectionRecord, []byte, error) {
var record LeaderElectionRecord
var err error
el.e, err = el.Client.Endpoints(el.EndpointsMeta.Namespace).Get(ctx, el.EndpointsMeta.Name, metav1.GetOptions{})
@@ -58,7 +58,7 @@ func (el *EndpointsLock) Get(ctx context.Context) (*LeaderElectionRecord, []byte
}
// Create attempts to create a LeaderElectionRecord annotation
func (el *EndpointsLock) Create(ctx context.Context, ler LeaderElectionRecord) error {
func (el *endpointsLock) Create(ctx context.Context, ler LeaderElectionRecord) error {
recordBytes, err := json.Marshal(ler)
if err != nil {
return err
@@ -76,7 +76,7 @@ func (el *EndpointsLock) Create(ctx context.Context, ler LeaderElectionRecord) e
}
// Update will update and existing annotation on a given resource.
func (el *EndpointsLock) Update(ctx context.Context, ler LeaderElectionRecord) error {
func (el *endpointsLock) Update(ctx context.Context, ler LeaderElectionRecord) error {
if el.e == nil {
return errors.New("endpoint not initialized, call get or create first")
}
@@ -97,21 +97,25 @@ func (el *EndpointsLock) Update(ctx context.Context, ler LeaderElectionRecord) e
}
// RecordEvent in leader election while adding meta-data
func (el *EndpointsLock) RecordEvent(s string) {
func (el *endpointsLock) RecordEvent(s string) {
if el.LockConfig.EventRecorder == nil {
return
}
events := fmt.Sprintf("%v %v", el.LockConfig.Identity, s)
el.LockConfig.EventRecorder.Eventf(&v1.Endpoints{ObjectMeta: el.e.ObjectMeta}, v1.EventTypeNormal, "LeaderElection", events)
subject := &v1.Endpoints{ObjectMeta: el.e.ObjectMeta}
// Populate the type meta, so we don't have to get it from the schema
subject.Kind = "Endpoints"
subject.APIVersion = v1.SchemeGroupVersion.String()
el.LockConfig.EventRecorder.Eventf(subject, v1.EventTypeNormal, "LeaderElection", events)
}
// Describe is used to convert details on current resource lock
// into a string
func (el *EndpointsLock) Describe() string {
func (el *endpointsLock) Describe() string {
return fmt.Sprintf("%v/%v", el.EndpointsMeta.Namespace, el.EndpointsMeta.Name)
}
// Identity returns the Identity of the lock
func (el *EndpointsLock) Identity() string {
func (el *endpointsLock) Identity() string {
return el.LockConfig.Identity
}

86
vendor/k8s.io/client-go/tools/leaderelection/resourcelock/interface.go generated vendored
View File

@@ -31,11 +31,77 @@ import (
const (
LeaderElectionRecordAnnotationKey = "control-plane.alpha.kubernetes.io/leader"
EndpointsResourceLock = "endpoints"
ConfigMapsResourceLock = "configmaps"
endpointsResourceLock = "endpoints"
configMapsResourceLock = "configmaps"
LeasesResourceLock = "leases"
EndpointsLeasesResourceLock = "endpointsleases"
ConfigMapsLeasesResourceLock = "configmapsleases"
// When using EndpointsLeasesResourceLock, you need to ensure that
// API Priority & Fairness is configured with non-default flow-schema
// that will catch the necessary operations on leader-election related
// endpoint objects.
//
// The example of such flow scheme could look like this:
// apiVersion: flowcontrol.apiserver.k8s.io/v1beta2
// kind: FlowSchema
// metadata:
// name: my-leader-election
// spec:
// distinguisherMethod:
// type: ByUser
// matchingPrecedence: 200
// priorityLevelConfiguration:
// name: leader-election # reference the <leader-election> PL
// rules:
// - resourceRules:
// - apiGroups:
// - ""
// namespaces:
// - '*'
// resources:
// - endpoints
// verbs:
// - get
// - create
// - update
// subjects:
// - kind: ServiceAccount
// serviceAccount:
// name: '*'
// namespace: kube-system
EndpointsLeasesResourceLock = "endpointsleases"
// When using EndpointsLeasesResourceLock, you need to ensure that
// API Priority & Fairness is configured with non-default flow-schema
// that will catch the necessary operations on leader-election related
// configmap objects.
//
// The example of such flow scheme could look like this:
// apiVersion: flowcontrol.apiserver.k8s.io/v1beta2
// kind: FlowSchema
// metadata:
// name: my-leader-election
// spec:
// distinguisherMethod:
// type: ByUser
// matchingPrecedence: 200
// priorityLevelConfiguration:
// name: leader-election # reference the <leader-election> PL
// rules:
// - resourceRules:
// - apiGroups:
// - ""
// namespaces:
// - '*'
// resources:
// - configmaps
// verbs:
// - get
// - create
// - update
// subjects:
// - kind: ServiceAccount
// serviceAccount:
// name: '*'
// namespace: kube-system
ConfigMapsLeasesResourceLock = "configmapsleases"
)
// LeaderElectionRecord is the record that is stored in the leader election annotation.
@@ -98,7 +164,7 @@ type Interface interface {
// Manufacture will create a lock of a given type according to the input parameters
func New(lockType string, ns string, name string, coreClient corev1.CoreV1Interface, coordinationClient coordinationv1.CoordinationV1Interface, rlc ResourceLockConfig) (Interface, error) {
endpointsLock := &EndpointsLock{
endpointsLock := &endpointsLock{
EndpointsMeta: metav1.ObjectMeta{
Namespace: ns,
Name: name,
@@ -106,7 +172,7 @@ func New(lockType string, ns string, name string, coreClient corev1.CoreV1Interf
Client: coreClient,
LockConfig: rlc,
}
configmapLock := &ConfigMapLock{
configmapLock := &configMapLock{
ConfigMapMeta: metav1.ObjectMeta{
Namespace: ns,
Name: name,
@@ -123,10 +189,10 @@ func New(lockType string, ns string, name string, coreClient corev1.CoreV1Interf
LockConfig: rlc,
}
switch lockType {
case EndpointsResourceLock:
return endpointsLock, nil
case ConfigMapsResourceLock:
return configmapLock, nil
case endpointsResourceLock:
return nil, fmt.Errorf("endpoints lock is removed, migrate to %s", EndpointsLeasesResourceLock)
case configMapsResourceLock:
return nil, fmt.Errorf("configmaps lock is removed, migrate to %s", ConfigMapsLeasesResourceLock)
case LeasesResourceLock:
return leaseLock, nil
case EndpointsLeasesResourceLock:

6
vendor/k8s.io/client-go/tools/leaderelection/resourcelock/leaselock.go generated vendored
View File

@@ -87,7 +87,11 @@ func (ll *LeaseLock) RecordEvent(s string) {
return
}
events := fmt.Sprintf("%v %v", ll.LockConfig.Identity, s)
ll.LockConfig.EventRecorder.Eventf(&coordinationv1.Lease{ObjectMeta: ll.lease.ObjectMeta}, corev1.EventTypeNormal, "LeaderElection", events)
subject := &coordinationv1.Lease{ObjectMeta: ll.lease.ObjectMeta}
// Populate the type meta, so we don't have to get it from the schema
subject.Kind = "Lease"
subject.APIVersion = coordinationv1.SchemeGroupVersion.String()
ll.LockConfig.EventRecorder.Eventf(subject, corev1.EventTypeNormal, "LeaderElection", events)
}
// Describe is used to convert details on current resource lock

5
vendor/k8s.io/client-go/tools/metrics/OWNERS generated vendored
View File

@@ -1,6 +1,5 @@
# See the OWNERS docs at https://go.k8s.io/owners
reviewers:
- wojtek-t
- krousey
- jayunit100
- wojtek-t
- jayunit100

21
vendor/k8s.io/client-go/tools/metrics/metrics.go generated vendored
View File

@@ -42,6 +42,11 @@ type LatencyMetric interface {
Observe(ctx context.Context, verb string, u url.URL, latency time.Duration)
}
// SizeMetric observes client response size partitioned by verb and host.
type SizeMetric interface {
Observe(ctx context.Context, verb string, host string, size float64)
}
// ResultMetric counts response codes partitioned by method and host.
type ResultMetric interface {
Increment(ctx context.Context, code string, method string, host string)
@@ -60,6 +65,10 @@ var (
ClientCertRotationAge DurationMetric = noopDuration{}
// RequestLatency is the latency metric that rest clients will update.
RequestLatency LatencyMetric = noopLatency{}
// RequestSize is the request size metric that rest clients will update.
RequestSize SizeMetric = noopSize{}
// ResponseSize is the response size metric that rest clients will update.
ResponseSize SizeMetric = noopSize{}
// RateLimiterLatency is the client side rate limiter latency metric.
RateLimiterLatency LatencyMetric = noopLatency{}
// RequestResult is the result metric that rest clients will update.
@@ -74,6 +83,8 @@ type RegisterOpts struct {
ClientCertExpiry ExpiryMetric
ClientCertRotationAge DurationMetric
RequestLatency LatencyMetric
RequestSize SizeMetric
ResponseSize SizeMetric
RateLimiterLatency LatencyMetric
RequestResult ResultMetric
ExecPluginCalls CallsMetric
@@ -92,6 +103,12 @@ func Register(opts RegisterOpts) {
if opts.RequestLatency != nil {
RequestLatency = opts.RequestLatency
}
if opts.RequestSize != nil {
RequestSize = opts.RequestSize
}
if opts.ResponseSize != nil {
ResponseSize = opts.ResponseSize
}
if opts.RateLimiterLatency != nil {
RateLimiterLatency = opts.RateLimiterLatency
}
@@ -116,6 +133,10 @@ type noopLatency struct{}
func (noopLatency) Observe(context.Context, string, url.URL, time.Duration) {}
type noopSize struct{}
func (noopSize) Observe(context.Context, string, string, float64) {}
type noopResult struct{}
func (noopResult) Increment(context.Context, string, string, string) {}

5
vendor/k8s.io/client-go/tools/pager/pager.go generated vendored
View File

@@ -78,6 +78,7 @@ func (p *ListPager) List(ctx context.Context, options metav1.ListOptions) (runti
options.Limit = p.PageSize
}
requestedResourceVersion := options.ResourceVersion
requestedResourceVersionMatch := options.ResourceVersionMatch
var list *metainternalversion.List
paginatedResult := false
@@ -102,6 +103,7 @@ func (p *ListPager) List(ctx context.Context, options metav1.ListOptions) (runti
options.Limit = 0
options.Continue = ""
options.ResourceVersion = requestedResourceVersion
options.ResourceVersionMatch = requestedResourceVersionMatch
result, err := p.PageFn(ctx, options)
return result, paginatedResult, err
}
@@ -135,10 +137,11 @@ func (p *ListPager) List(ctx context.Context, options metav1.ListOptions) (runti
// set the next loop up
options.Continue = m.GetContinue()
// Clear the ResourceVersion on the subsequent List calls to avoid the
// Clear the ResourceVersion(Match) on the subsequent List calls to avoid the
// `specifying resource version is not allowed when using continue` error.
// See https://github.com/kubernetes/kubernetes/issues/85221#issuecomment-553748143.
options.ResourceVersion = ""
options.ResourceVersionMatch = ""
// At this point, result is already paginated.
paginatedResult = true
}

4
vendor/k8s.io/client-go/tools/record/OWNERS generated vendored
View File

@@ -1,6 +1,6 @@
# See the OWNERS docs at https://go.k8s.io/owners
reviewers:
- sig-instrumentation-reviewers
- sig-instrumentation-reviewers
approvers:
- sig-instrumentation-approvers
- sig-instrumentation-approvers

25
vendor/k8s.io/client-go/tools/record/event.go generated vendored
View File

@@ -25,13 +25,13 @@ import (
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/clock"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/watch"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/tools/record/util"
ref "k8s.io/client-go/tools/reference"
"k8s.io/klog/v2"
"k8s.io/utils/clock"
)
const maxTriesPerEvent = 12
@@ -81,7 +81,10 @@ type CorrelatorOptions struct {
MaxIntervalInSeconds int
// The clock used by the EventAggregator to allow for testing
// If not specified (zero value), clock.RealClock{} will be used
Clock clock.Clock
Clock clock.PassiveClock
// The func used by EventFilterFunc, which returns a key for given event, based on which filtering will take place
// If not specified (zero value), getSpamKey will be used
SpamKeyFunc EventSpamKeyFunc
}
// EventRecorder knows how to record events on behalf of an EventSource.
@@ -89,7 +92,7 @@ type EventRecorder interface {
// Event constructs an event from the given information and puts it in the queue for sending.
// 'object' is the object this event is about. Event will make a reference-- or you may also
// pass a reference to the object directly.
// 'type' of this event, and can be one of Normal, Warning. New types could be added in future
// 'eventtype' of this event, and can be one of Normal, Warning. New types could be added in future
// 'reason' is the reason this event is generated. 'reason' should be short and unique; it
// should be in UpperCamelCase format (starting with a capital letter). "reason" will be used
// to automate handling of events, so imagine people writing switch statements to handle them.
@@ -288,14 +291,17 @@ func (e *eventBroadcasterImpl) StartLogging(logf func(format string, args ...int
func (e *eventBroadcasterImpl) StartStructuredLogging(verbosity klog.Level) watch.Interface {
return e.StartEventWatcher(
func(e *v1.Event) {
klog.V(verbosity).InfoS("Event occurred", "object", klog.KRef(e.InvolvedObject.Namespace, e.InvolvedObject.Name), "kind", e.InvolvedObject.Kind, "apiVersion", e.InvolvedObject.APIVersion, "type", e.Type, "reason", e.Reason, "message", e.Message)
klog.V(verbosity).InfoS("Event occurred", "object", klog.KRef(e.InvolvedObject.Namespace, e.InvolvedObject.Name), "fieldPath", e.InvolvedObject.FieldPath, "kind", e.InvolvedObject.Kind, "apiVersion", e.InvolvedObject.APIVersion, "type", e.Type, "reason", e.Reason, "message", e.Message)
})
}
// StartEventWatcher starts sending events received from this EventBroadcaster to the given event handler function.
// The return value can be ignored or used to stop recording, if desired.
func (e *eventBroadcasterImpl) StartEventWatcher(eventHandler func(*v1.Event)) watch.Interface {
watcher := e.Watch()
watcher, err := e.Watch()
if err != nil {
klog.Errorf("Unable start event watcher: '%v' (will not retry!)", err)
}
go func() {
defer utilruntime.HandleCrash()
for watchEvent := range watcher.ResultChan() {
@@ -320,7 +326,7 @@ type recorderImpl struct {
scheme *runtime.Scheme
source v1.EventSource
*watch.Broadcaster
clock clock.Clock
clock clock.PassiveClock
}
func (recorder *recorderImpl) generateEvent(object runtime.Object, annotations map[string]string, eventtype, reason, message string) {
@@ -343,7 +349,12 @@ func (recorder *recorderImpl) generateEvent(object runtime.Object, annotations m
// when we go to shut down this broadcaster. Just drop events if we get overloaded,
// and log an error if that happens (we've configured the broadcaster to drop
// outgoing events anyway).
if sent := recorder.ActionOrDrop(watch.Added, event); !sent {
sent, err := recorder.ActionOrDrop(watch.Added, event)
if err != nil {
klog.Errorf("unable to record event: %v (will not retry!)", err)
return
}
if !sent {
klog.Errorf("unable to record event: too many queued events, dropped event %#v", event)
}
}

70
vendor/k8s.io/client-go/tools/record/events_cache.go generated vendored
View File

@@ -25,12 +25,12 @@ import (
"github.com/golang/groupcache/lru"
"k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/strategicpatch"
"k8s.io/client-go/util/flowcontrol"
"k8s.io/utils/clock"
)
const (
@@ -81,6 +81,9 @@ func getSpamKey(event *v1.Event) string {
"")
}
// EventSpamKeyFunc is a function that returns unique key based on provided event
type EventSpamKeyFunc func(event *v1.Event) string
// EventFilterFunc is a function that returns true if the event should be skipped
type EventFilterFunc func(event *v1.Event) bool
@@ -99,31 +102,35 @@ type EventSourceObjectSpamFilter struct {
qps float32
// clock is used to allow for testing over a time interval
clock clock.Clock
clock clock.PassiveClock
// spamKeyFunc is a func used to create a key based on an event, which is later used to filter spam events.
spamKeyFunc EventSpamKeyFunc
}
// NewEventSourceObjectSpamFilter allows burst events from a source about an object with the specified qps refill.
func NewEventSourceObjectSpamFilter(lruCacheSize, burst int, qps float32, clock clock.Clock) *EventSourceObjectSpamFilter {
func NewEventSourceObjectSpamFilter(lruCacheSize, burst int, qps float32, clock clock.PassiveClock, spamKeyFunc EventSpamKeyFunc) *EventSourceObjectSpamFilter {
return &EventSourceObjectSpamFilter{
cache: lru.New(lruCacheSize),
burst: burst,
qps: qps,
clock: clock,
cache: lru.New(lruCacheSize),
burst: burst,
qps: qps,
clock: clock,
spamKeyFunc: spamKeyFunc,
}
}
// spamRecord holds data used to perform spam filtering decisions.
type spamRecord struct {
// rateLimiter controls the rate of events about this object
rateLimiter flowcontrol.RateLimiter
rateLimiter flowcontrol.PassiveRateLimiter
}
// Filter controls that a given source+object are not exceeding the allowed rate.
func (f *EventSourceObjectSpamFilter) Filter(event *v1.Event) bool {
var record spamRecord
// controls our cached information about this event (source+object)
eventKey := getSpamKey(event)
// controls our cached information about this event
eventKey := f.spamKeyFunc(event)
// do we have a record of similar events in our cache?
f.Lock()
@@ -135,7 +142,7 @@ func (f *EventSourceObjectSpamFilter) Filter(event *v1.Event) bool {
// verify we have a rate limiter for this record
if record.rateLimiter == nil {
record.rateLimiter = flowcontrol.NewTokenBucketRateLimiterWithClock(f.qps, f.burst, f.clock)
record.rateLimiter = flowcontrol.NewTokenBucketPassiveRateLimiterWithClock(f.qps, f.burst, f.clock)
}
// ensure we have available rate
@@ -175,7 +182,7 @@ func EventAggregatorByReasonFunc(event *v1.Event) (string, string) {
// EventAggregatorMessageFunc is responsible for producing an aggregation message
type EventAggregatorMessageFunc func(event *v1.Event) string
// EventAggregratorByReasonMessageFunc returns an aggregate message by prefixing the incoming message
// EventAggregatorByReasonMessageFunc returns an aggregate message by prefixing the incoming message
func EventAggregatorByReasonMessageFunc(event *v1.Event) string {
return "(combined from similar events): " + event.Message
}
@@ -200,12 +207,12 @@ type EventAggregator struct {
maxIntervalInSeconds uint
// clock is used to allow for testing over a time interval
clock clock.Clock
clock clock.PassiveClock
}
// NewEventAggregator returns a new instance of an EventAggregator
func NewEventAggregator(lruCacheSize int, keyFunc EventAggregatorKeyFunc, messageFunc EventAggregatorMessageFunc,
maxEvents int, maxIntervalInSeconds int, clock clock.Clock) *EventAggregator {
maxEvents int, maxIntervalInSeconds int, clock clock.PassiveClock) *EventAggregator {
return &EventAggregator{
cache: lru.New(lruCacheSize),
keyFunc: keyFunc,
@@ -228,10 +235,10 @@ type aggregateRecord struct {
// EventAggregate checks if a similar event has been seen according to the
// aggregation configuration (max events, max interval, etc) and returns:
//
// - The (potentially modified) event that should be created
// - The cache key for the event, for correlation purposes. This will be set to
// the full key for normal events, and to the result of
// EventAggregatorMessageFunc for aggregate events.
// - The (potentially modified) event that should be created
// - The cache key for the event, for correlation purposes. This will be set to
// the full key for normal events, and to the result of
// EventAggregatorMessageFunc for aggregate events.
func (e *EventAggregator) EventAggregate(newEvent *v1.Event) (*v1.Event, string) {
now := metav1.NewTime(e.clock.Now())
var record aggregateRecord
@@ -308,11 +315,11 @@ type eventLog struct {
type eventLogger struct {
sync.RWMutex
cache *lru.Cache
clock clock.Clock
clock clock.PassiveClock
}
// newEventLogger observes events and counts their frequencies
func newEventLogger(lruCacheEntries int, clock clock.Clock) *eventLogger {
func newEventLogger(lruCacheEntries int, clock clock.PassiveClock) *eventLogger {
return &eventLogger{cache: lru.New(lruCacheEntries), clock: clock}
}
@@ -420,18 +427,18 @@ type EventCorrelateResult struct {
// prior to interacting with the API server to record the event.
//
// The default behavior is as follows:
// * Aggregation is performed if a similar event is recorded 10 times in a
// - Aggregation is performed if a similar event is recorded 10 times
// in a 10 minute rolling interval. A similar event is an event that varies only by
// the Event.Message field. Rather than recording the precise event, aggregation
// will create a new event whose message reports that it has combined events with
// the same reason.
// * Events are incrementally counted if the exact same event is encountered multiple
// - Events are incrementally counted if the exact same event is encountered multiple
// times.
// * A source may burst 25 events about an object, but has a refill rate budget
// - A source may burst 25 events about an object, but has a refill rate budget
// per object of 1 event every 5 minutes to control long-tail of spam.
func NewEventCorrelator(clock clock.Clock) *EventCorrelator {
func NewEventCorrelator(clock clock.PassiveClock) *EventCorrelator {
cacheSize := maxLruCacheEntries
spamFilter := NewEventSourceObjectSpamFilter(cacheSize, defaultSpamBurst, defaultSpamQPS, clock)
spamFilter := NewEventSourceObjectSpamFilter(cacheSize, defaultSpamBurst, defaultSpamQPS, clock, getSpamKey)
return &EventCorrelator{
filterFunc: spamFilter.Filter,
aggregator: NewEventAggregator(
@@ -448,8 +455,12 @@ func NewEventCorrelator(clock clock.Clock) *EventCorrelator {
func NewEventCorrelatorWithOptions(options CorrelatorOptions) *EventCorrelator {
optionsWithDefaults := populateDefaults(options)
spamFilter := NewEventSourceObjectSpamFilter(optionsWithDefaults.LRUCacheSize,
optionsWithDefaults.BurstSize, optionsWithDefaults.QPS, optionsWithDefaults.Clock)
spamFilter := NewEventSourceObjectSpamFilter(
optionsWithDefaults.LRUCacheSize,
optionsWithDefaults.BurstSize,
optionsWithDefaults.QPS,
optionsWithDefaults.Clock,
optionsWithDefaults.SpamKeyFunc)
return &EventCorrelator{
filterFunc: spamFilter.Filter,
aggregator: NewEventAggregator(
@@ -489,6 +500,9 @@ func populateDefaults(options CorrelatorOptions) CorrelatorOptions {
if options.Clock == nil {
options.Clock = clock.RealClock{}
}
if options.SpamKeyFunc == nil {
options.SpamKeyFunc = getSpamKey
}
return options
}

6
vendor/k8s.io/client-go/tools/record/util/util.go generated vendored
View File

@@ -36,9 +36,5 @@ func ValidateEventType(eventtype string) bool {
func IsKeyNotFoundError(err error) bool {
statusErr, _ := err.(*errors.StatusError)
if statusErr != nil && statusErr.Status().Code == http.StatusNotFound {
return true
}
return false
return statusErr != nil && statusErr.Status().Code == http.StatusNotFound
}

8
vendor/k8s.io/client-go/tools/watch/retrywatcher.go generated vendored
View File

@@ -268,7 +268,13 @@ func (rw *RetryWatcher) receive() {
return
}
time.Sleep(retryAfter)
timer := time.NewTimer(retryAfter)
select {
case <-ctx.Done():
timer.Stop()
return
case <-timer.C:
}
klog.V(4).Infof("Restarting RetryWatcher at RV=%q", rw.lastResourceVersion)
}, rw.minRestartDelay)

6
vendor/k8s.io/client-go/tools/watch/until.go generated vendored
View File

@@ -95,13 +95,15 @@ func UntilWithoutRetry(ctx context.Context, watcher watch.Interface, conditions
// Until wraps the watcherClient's watch function with RetryWatcher making sure that watcher gets restarted in case of errors.
// The initialResourceVersion will be given to watch method when first called. It shall not be "" or "0"
// given the underlying WATCH call issues (#74022). If you want the initial list ("", "0") done for you use ListWatchUntil instead.
// given the underlying WATCH call issues (#74022).
// Remaining behaviour is identical to function UntilWithoutRetry. (See above.)
// Until can deal with API timeouts and lost connections.
// It guarantees you to see all events and in the order they happened.
// Due to this guarantee there is no way it can deal with 'Resource version too old error'. It will fail in this case.
// (See `UntilWithSync` if you'd prefer to recover from all the errors including RV too old by re-listing
// those items. In normal code you should care about being level driven so you'd not care about not seeing all the edges.)
//
// those items. In normal code you should care about being level driven so you'd not care about not seeing all the edges.)
//
// The most frequent usage for Until would be a test where you want to verify exact order of events ("edges").
func Until(ctx context.Context, initialResourceVersion string, watcherClient cache.Watcher, conditions ...ConditionFunc) (*watch.Event, error) {
w, err := NewRetryWatcher(initialResourceVersion, watcherClient)