Merge pull request #61400 from natronq/master

Automatic merge from submit-queue (batch tested with PRs 61400, 61048). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

code-gen: allow specifying custom resync periods for certain informer types

**What this PR does / why we need it**:
This PR extends the informer code-generator to allow the consumer to specify a custom resync period for certain informer types and uses the default resync period if none is defined.

**Special notes for your reviewer**:
Example:
```go
cs := clientset.NewForConfigOrDie(config)
resyncConfig := externalversions.ResyncConfiguration{
  &samplev1alpha1.Sample{}: 30 * time.Second,
}
informer := externalversions.NewSharedInformerFactory(cs, 2*time.Minute, externalversions.WithCustomResyncConfig(resyncConfig))
```
**Release note**:

```release-note
NONE
```

Kubernetes-commit: 7daaa826d291c1501a52177c3e14b00c503c8527
This commit is contained in:
Kubernetes Publisher 2018-04-06 14:47:05 -07:00
commit c0c1344b1f
8 changed files with 458 additions and 162 deletions

242
Godeps/Godeps.json generated
View File

@ -424,487 +424,487 @@
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},
{
"ImportPath": "k8s.io/client-go/listers/batch/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/batch/v2alpha1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/certificates/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/core/v1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/events/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/extensions/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/networking/v1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/policy/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/rbac/v1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/rbac/v1alpha1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/rbac/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/scheduling/v1alpha1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/settings/v1alpha1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/storage/v1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/storage/v1alpha1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/listers/storage/v1beta1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/pkg/apis/clientauthentication",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/pkg/version",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/plugin/pkg/client/auth/exec",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/rest",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/rest/watch",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/testing",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/auth",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/cache",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd/api",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd/api/latest",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd/api/v1",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/metrics",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/pager",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/record",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/tools/reference",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/transport",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/buffer",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/cert",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/flowcontrol",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/homedir",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/integer",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/retry",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/client-go/util/workqueue",
"Rev": "47c485781f23208b2c4e345f52dfa9d7fe6975b4"
"Rev": "b7d03ad8c68365c7c0623d94f74ece73e0cd64d4"
},
{
"ImportPath": "k8s.io/kube-openapi/pkg/util/proto",

View File

@ -32,12 +32,16 @@ import (
samplecontroller "k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller"
)
// SharedInformerOption defines the functional option type for SharedInformerFactory.
type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
type sharedInformerFactory struct {
client versioned.Interface
namespace string
tweakListOptions internalinterfaces.TweakListOptionsFunc
lock sync.Mutex
defaultResync time.Duration
customResync map[reflect.Type]time.Duration
informers map[reflect.Type]cache.SharedIndexInformer
// startedInformers is used for tracking which informers have been started.
@ -45,23 +49,62 @@ type sharedInformerFactory struct {
startedInformers map[reflect.Type]bool
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
// WithCustomResyncConfig sets a custom resync period for the specified informer types.
func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
for k, v := range resyncConfig {
factory.customResync[reflect.TypeOf(k)] = v
}
return factory
}
}
// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.tweakListOptions = tweakListOptions
return factory
}
}
// WithNamespace limits the SharedInformerFactory to the specified namespace.
func WithNamespace(namespace string) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.namespace = namespace
return factory
}
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
return NewSharedInformerFactoryWithOptions(client, defaultResync)
}
// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
return &sharedInformerFactory{
return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
}
// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
factory := &sharedInformerFactory{
client: client,
namespace: namespace,
tweakListOptions: tweakListOptions,
namespace: v1.NamespaceAll,
defaultResync: defaultResync,
informers: make(map[reflect.Type]cache.SharedIndexInformer),
startedInformers: make(map[reflect.Type]bool),
customResync: make(map[reflect.Type]time.Duration),
}
// Apply all options
for _, opt := range options {
factory = opt(factory)
}
return factory
}
// Start initializes all requested informers.
@ -110,7 +153,13 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
if exists {
return informer
}
informer = newFunc(f.client, f.defaultResync)
resyncPeriod, exists := f.customResync[informerType]
if !exists {
resyncPeriod = f.defaultResync
}
informer = newFunc(f.client, resyncPeriod)
f.informers[informerType] = informer
return informer

View File

@ -45,12 +45,16 @@ import (
cache "k8s.io/client-go/tools/cache"
)
// SharedInformerOption defines the functional option type for SharedInformerFactory.
type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
type sharedInformerFactory struct {
client kubernetes.Interface
namespace string
tweakListOptions internalinterfaces.TweakListOptionsFunc
lock sync.Mutex
defaultResync time.Duration
customResync map[reflect.Type]time.Duration
informers map[reflect.Type]cache.SharedIndexInformer
// startedInformers is used for tracking which informers have been started.
@ -58,23 +62,62 @@ type sharedInformerFactory struct {
startedInformers map[reflect.Type]bool
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
// WithCustomResyncConfig sets a custom resync period for the specified informer types.
func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
for k, v := range resyncConfig {
factory.customResync[reflect.TypeOf(k)] = v
}
return factory
}
}
// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.tweakListOptions = tweakListOptions
return factory
}
}
// WithNamespace limits the SharedInformerFactory to the specified namespace.
func WithNamespace(namespace string) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.namespace = namespace
return factory
}
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
func NewSharedInformerFactory(client kubernetes.Interface, defaultResync time.Duration) SharedInformerFactory {
return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
return NewSharedInformerFactoryWithOptions(client, defaultResync)
}
// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
func NewFilteredSharedInformerFactory(client kubernetes.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
return &sharedInformerFactory{
return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
}
// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
func NewSharedInformerFactoryWithOptions(client kubernetes.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
factory := &sharedInformerFactory{
client: client,
namespace: namespace,
tweakListOptions: tweakListOptions,
namespace: v1.NamespaceAll,
defaultResync: defaultResync,
informers: make(map[reflect.Type]cache.SharedIndexInformer),
startedInformers: make(map[reflect.Type]bool),
customResync: make(map[reflect.Type]time.Duration),
}
// Apply all options
for _, opt := range options {
factory = opt(factory)
}
return factory
}
// Start initializes all requested informers.
@ -123,7 +166,13 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
if exists {
return informer
}
informer = newFunc(f.client, f.defaultResync)
resyncPeriod, exists := f.customResync[informerType]
if !exists {
resyncPeriod = f.defaultResync
}
informer = newFunc(f.client, resyncPeriod)
f.informers[informerType] = informer
return informer

View File

@ -33,12 +33,16 @@ import (
internalinterfaces "k8s.io/code-generator/_examples/apiserver/informers/externalversions/internalinterfaces"
)
// SharedInformerOption defines the functional option type for SharedInformerFactory.
type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
type sharedInformerFactory struct {
client versioned.Interface
namespace string
tweakListOptions internalinterfaces.TweakListOptionsFunc
lock sync.Mutex
defaultResync time.Duration
customResync map[reflect.Type]time.Duration
informers map[reflect.Type]cache.SharedIndexInformer
// startedInformers is used for tracking which informers have been started.
@ -46,23 +50,62 @@ type sharedInformerFactory struct {
startedInformers map[reflect.Type]bool
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
// WithCustomResyncConfig sets a custom resync period for the specified informer types.
func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
for k, v := range resyncConfig {
factory.customResync[reflect.TypeOf(k)] = v
}
return factory
}
}
// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.tweakListOptions = tweakListOptions
return factory
}
}
// WithNamespace limits the SharedInformerFactory to the specified namespace.
func WithNamespace(namespace string) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.namespace = namespace
return factory
}
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
return NewSharedInformerFactoryWithOptions(client, defaultResync)
}
// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
return &sharedInformerFactory{
return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
}
// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
factory := &sharedInformerFactory{
client: client,
namespace: namespace,
tweakListOptions: tweakListOptions,
namespace: v1.NamespaceAll,
defaultResync: defaultResync,
informers: make(map[reflect.Type]cache.SharedIndexInformer),
startedInformers: make(map[reflect.Type]bool),
customResync: make(map[reflect.Type]time.Duration),
}
// Apply all options
for _, opt := range options {
factory = opt(factory)
}
return factory
}
// Start initializes all requested informers.
@ -111,7 +154,13 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
if exists {
return informer
}
informer = newFunc(f.client, f.defaultResync)
resyncPeriod, exists := f.customResync[informerType]
if !exists {
resyncPeriod = f.defaultResync
}
informer = newFunc(f.client, resyncPeriod)
f.informers[informerType] = informer
return informer

View File

@ -33,12 +33,16 @@ import (
internalinterfaces "k8s.io/code-generator/_examples/apiserver/informers/internalversion/internalinterfaces"
)
// SharedInformerOption defines the functional option type for SharedInformerFactory.
type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
type sharedInformerFactory struct {
client internalversion.Interface
namespace string
tweakListOptions internalinterfaces.TweakListOptionsFunc
lock sync.Mutex
defaultResync time.Duration
customResync map[reflect.Type]time.Duration
informers map[reflect.Type]cache.SharedIndexInformer
// startedInformers is used for tracking which informers have been started.
@ -46,23 +50,62 @@ type sharedInformerFactory struct {
startedInformers map[reflect.Type]bool
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
// WithCustomResyncConfig sets a custom resync period for the specified informer types.
func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
for k, v := range resyncConfig {
factory.customResync[reflect.TypeOf(k)] = v
}
return factory
}
}
// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.tweakListOptions = tweakListOptions
return factory
}
}
// WithNamespace limits the SharedInformerFactory to the specified namespace.
func WithNamespace(namespace string) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.namespace = namespace
return factory
}
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
func NewSharedInformerFactory(client internalversion.Interface, defaultResync time.Duration) SharedInformerFactory {
return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
return NewSharedInformerFactoryWithOptions(client, defaultResync)
}
// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
func NewFilteredSharedInformerFactory(client internalversion.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
return &sharedInformerFactory{
return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
}
// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
func NewSharedInformerFactoryWithOptions(client internalversion.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
factory := &sharedInformerFactory{
client: client,
namespace: namespace,
tweakListOptions: tweakListOptions,
namespace: v1.NamespaceAll,
defaultResync: defaultResync,
informers: make(map[reflect.Type]cache.SharedIndexInformer),
startedInformers: make(map[reflect.Type]bool),
customResync: make(map[reflect.Type]time.Duration),
}
// Apply all options
for _, opt := range options {
factory = opt(factory)
}
return factory
}
// Start initializes all requested informers.
@ -111,7 +154,13 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
if exists {
return informer
}
informer = newFunc(f.client, f.defaultResync)
resyncPeriod, exists := f.customResync[informerType]
if !exists {
resyncPeriod = f.defaultResync
}
informer = newFunc(f.client, resyncPeriod)
f.informers[informerType] = informer
return informer

View File

@ -33,12 +33,16 @@ import (
internalinterfaces "k8s.io/code-generator/_examples/crd/informers/externalversions/internalinterfaces"
)
// SharedInformerOption defines the functional option type for SharedInformerFactory.
type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
type sharedInformerFactory struct {
client versioned.Interface
namespace string
tweakListOptions internalinterfaces.TweakListOptionsFunc
lock sync.Mutex
defaultResync time.Duration
customResync map[reflect.Type]time.Duration
informers map[reflect.Type]cache.SharedIndexInformer
// startedInformers is used for tracking which informers have been started.
@ -46,23 +50,62 @@ type sharedInformerFactory struct {
startedInformers map[reflect.Type]bool
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
// WithCustomResyncConfig sets a custom resync period for the specified informer types.
func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
for k, v := range resyncConfig {
factory.customResync[reflect.TypeOf(k)] = v
}
return factory
}
}
// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.tweakListOptions = tweakListOptions
return factory
}
}
// WithNamespace limits the SharedInformerFactory to the specified namespace.
func WithNamespace(namespace string) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.namespace = namespace
return factory
}
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
return NewSharedInformerFactoryWithOptions(client, defaultResync)
}
// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
return &sharedInformerFactory{
return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
}
// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
factory := &sharedInformerFactory{
client: client,
namespace: namespace,
tweakListOptions: tweakListOptions,
namespace: v1.NamespaceAll,
defaultResync: defaultResync,
informers: make(map[reflect.Type]cache.SharedIndexInformer),
startedInformers: make(map[reflect.Type]bool),
customResync: make(map[reflect.Type]time.Duration),
}
// Apply all options
for _, opt := range options {
factory = opt(factory)
}
return factory
}
// Start initializes all requested informers.
@ -111,7 +154,13 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
if exists {
return informer
}
informer = newFunc(f.client, f.defaultResync)
resyncPeriod, exists := f.customResync[informerType]
if !exists {
resyncPeriod = f.defaultResync
}
informer = newFunc(f.client, resyncPeriod)
f.informers[informerType] = informer
return informer

View File

@ -89,6 +89,7 @@ func (g *factoryGenerator) GenerateType(c *generator.Context, t *types.Type, w i
"syncMutex": c.Universe.Type(syncMutex),
"timeDuration": c.Universe.Type(timeDuration),
"namespaceAll": c.Universe.Type(metav1NamespaceAll),
"object": c.Universe.Type(metav1Object),
}
sw.Do(sharedInformerFactoryStruct, m)
@ -98,12 +99,16 @@ func (g *factoryGenerator) GenerateType(c *generator.Context, t *types.Type, w i
}
var sharedInformerFactoryStruct = `
// SharedInformerOption defines the functional option type for SharedInformerFactory.
type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
type sharedInformerFactory struct {
client {{.clientSetInterface|raw}}
namespace string
tweakListOptions {{.interfacesTweakListOptionsFunc|raw}}
lock {{.syncMutex|raw}}
defaultResync {{.timeDuration|raw}}
customResync map[{{.reflectType|raw}}]{{.timeDuration|raw}}
informers map[{{.reflectType|raw}}]{{.cacheSharedIndexInformer|raw}}
// startedInformers is used for tracking which informers have been started.
@ -111,23 +116,62 @@ type sharedInformerFactory struct {
startedInformers map[{{.reflectType|raw}}]bool
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
// WithCustomResyncConfig sets a custom resync period for the specified informer types.
func WithCustomResyncConfig(resyncConfig map[{{.object|raw}}]{{.timeDuration|raw}}) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
for k, v := range resyncConfig {
factory.customResync[reflect.TypeOf(k)] = v
}
return factory
}
}
// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.tweakListOptions = tweakListOptions
return factory
}
}
// WithNamespace limits the SharedInformerFactory to the specified namespace.
func WithNamespace(namespace string) SharedInformerOption {
return func(factory *sharedInformerFactory) *sharedInformerFactory {
factory.namespace = namespace
return factory
}
}
// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
func NewSharedInformerFactory(client {{.clientSetInterface|raw}}, defaultResync {{.timeDuration|raw}}) SharedInformerFactory {
return NewFilteredSharedInformerFactory(client, defaultResync, {{.namespaceAll|raw}}, nil)
return NewSharedInformerFactoryWithOptions(client, defaultResync)
}
// NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
// Listers obtained via this SharedInformerFactory will be subject to the same filters
// as specified here.
// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
func NewFilteredSharedInformerFactory(client {{.clientSetInterface|raw}}, defaultResync {{.timeDuration|raw}}, namespace string, tweakListOptions {{.interfacesTweakListOptionsFunc|raw}}) SharedInformerFactory {
return &sharedInformerFactory{
client: client,
namespace: namespace,
tweakListOptions: tweakListOptions,
defaultResync: defaultResync,
informers: make(map[{{.reflectType|raw}}]{{.cacheSharedIndexInformer|raw}}),
startedInformers: make(map[{{.reflectType|raw}}]bool),
}
return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
}
// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
func NewSharedInformerFactoryWithOptions(client {{.clientSetInterface|raw}}, defaultResync {{.timeDuration|raw}}, options ...SharedInformerOption) SharedInformerFactory {
factory := &sharedInformerFactory{
client: client,
namespace: v1.NamespaceAll,
defaultResync: defaultResync,
informers: make(map[{{.reflectType|raw}}]{{.cacheSharedIndexInformer|raw}}),
startedInformers: make(map[{{.reflectType|raw}}]bool),
customResync: make(map[{{.reflectType|raw}}]{{.timeDuration|raw}}),
}
// Apply all options
for _, opt := range options {
factory = opt(factory)
}
return factory
}
// Start initializes all requested informers.
@ -176,7 +220,13 @@ func (f *sharedInformerFactory) InformerFor(obj {{.runtimeObject|raw}}, newFunc
if exists {
return informer
}
informer = newFunc(f.client, f.defaultResync)
resyncPeriod, exists := f.customResync[informerType]
if !exists {
resyncPeriod = f.defaultResync
}
informer = newFunc(f.client, resyncPeriod)
f.informers[informerType] = informer
return informer

View File

@ -37,5 +37,6 @@ var (
timeDuration = types.Name{Package: "time", Name: "Duration"}
v1ListOptions = types.Name{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "ListOptions"}
metav1NamespaceAll = types.Name{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "NamespaceAll"}
metav1Object = types.Name{Package: "k8s.io/apimachinery/pkg/apis/meta/v1", Name: "Object"}
watchInterface = types.Name{Package: "k8s.io/apimachinery/pkg/watch", Name: "Interface"}
)