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Merge pull request #11611 from sbueringer/pr-fix-runtime-client-import
🐛 Export runtime.Client interface and cache package
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,94 @@ | ||
| /* | ||
| Copyright 2024 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. | ||
| */ | ||
|
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| // Package client provides the Runtime SDK client. | ||
| package client | ||
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||
| import ( | ||
| "context" | ||
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| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
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| runtimev1 "sigs.k8s.io/cluster-api/exp/runtime/api/v1alpha1" | ||
| runtimecatalog "sigs.k8s.io/cluster-api/exp/runtime/catalog" | ||
| runtimehooksv1 "sigs.k8s.io/cluster-api/exp/runtime/hooks/api/v1alpha1" | ||
| "sigs.k8s.io/cluster-api/util/cache" | ||
| ) | ||
|
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| // CallExtensionOption is the interface for configuration that modifies CallExtensionOptions for a CallExtension call. | ||
| type CallExtensionOption interface { | ||
| // ApplyToOptions applies this configuration to the given CallExtensionOptions. | ||
| ApplyToOptions(*CallExtensionOptions) | ||
| } | ||
|
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| // CallExtensionCacheEntry is a cache entry for the cache that can be used with the CallExtension call via | ||
| // the WithCaching option. | ||
| type CallExtensionCacheEntry struct { | ||
| CacheKey string | ||
| Response runtimehooksv1.ResponseObject | ||
| } | ||
|
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| // Key returns the cache key of a CallExtensionCacheEntry. | ||
| func (c CallExtensionCacheEntry) Key() string { | ||
| return c.CacheKey | ||
| } | ||
|
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| // WithCaching enables caching for the CallExtension call. | ||
| type WithCaching struct { | ||
| Cache cache.Cache[CallExtensionCacheEntry] | ||
| CacheKeyFunc func(extensionName, extensionConfigResourceVersion string, request runtimehooksv1.RequestObject) string | ||
| } | ||
|
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| // ApplyToOptions applies WithCaching to the given CallExtensionOptions. | ||
| func (w WithCaching) ApplyToOptions(in *CallExtensionOptions) { | ||
| in.WithCaching = true | ||
| in.Cache = w.Cache | ||
| in.CacheKeyFunc = w.CacheKeyFunc | ||
| } | ||
|
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| // CallExtensionOptions contains the options for the CallExtension call. | ||
| type CallExtensionOptions struct { | ||
| WithCaching bool | ||
| Cache cache.Cache[CallExtensionCacheEntry] | ||
| CacheKeyFunc func(extensionName, extensionConfigResourceVersion string, request runtimehooksv1.RequestObject) string | ||
| } | ||
|
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| // Client is the runtime client to interact with extensions. | ||
| type Client interface { | ||
| // WarmUp can be used to initialize a "cold" RuntimeClient with all | ||
| // known runtimev1.ExtensionConfigs at a given time. | ||
| // After WarmUp completes the RuntimeClient is considered ready. | ||
| WarmUp(extensionConfigList *runtimev1.ExtensionConfigList) error | ||
|
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| // IsReady return true after the RuntimeClient finishes warmup. | ||
| IsReady() bool | ||
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| // Discover makes the discovery call on the extension and returns an updated ExtensionConfig | ||
| // with extension handlers information in the ExtensionConfig status. | ||
| Discover(context.Context, *runtimev1.ExtensionConfig) (*runtimev1.ExtensionConfig, error) | ||
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| // Register registers the ExtensionConfig. | ||
| Register(extensionConfig *runtimev1.ExtensionConfig) error | ||
|
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| // Unregister unregisters the ExtensionConfig. | ||
| Unregister(extensionConfig *runtimev1.ExtensionConfig) error | ||
|
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| // CallAllExtensions calls all the ExtensionHandler registered for the hook. | ||
| CallAllExtensions(ctx context.Context, hook runtimecatalog.Hook, forObject metav1.Object, request runtimehooksv1.RequestObject, response runtimehooksv1.ResponseObject) error | ||
|
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| // CallExtension calls the ExtensionHandler with the given name. | ||
| CallExtension(ctx context.Context, hook runtimecatalog.Hook, forObject metav1.Object, name string, request runtimehooksv1.RequestObject, response runtimehooksv1.ResponseObject, opts ...CallExtensionOption) error | ||
| } |
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