rebase: update K8s packages to v0.32.1

Update K8s packages in go.mod to v0.32.1

Signed-off-by: Praveen M <m.praveen@ibm.com>
This commit is contained in:
Praveen M
2025-01-16 09:41:46 +05:30
committed by mergify[bot]
parent 5aef21ea4e
commit 7eb99fc6c9
2442 changed files with 273386 additions and 47788 deletions

79
vendor/k8s.io/dynamic-resource-allocation/cel/cache.go generated vendored Normal file
View File

@ -0,0 +1,79 @@
/*
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.
*/
package cel
import (
"sync"
"k8s.io/utils/keymutex"
"k8s.io/utils/lru"
)
// Cache is a thread-safe LRU cache for a compiled CEL expression.
type Cache struct {
compileMutex keymutex.KeyMutex
cacheMutex sync.RWMutex
cache *lru.Cache
}
// NewCache creates a cache. The maximum number of entries determines
// how many entries are cached at most before dropping the oldest
// entry.
func NewCache(maxCacheEntries int) *Cache {
return &Cache{
compileMutex: keymutex.NewHashed(0),
cache: lru.New(maxCacheEntries),
}
}
// GetOrCompile checks whether the cache already has a compilation result
// and returns that if available. Otherwise it compiles, stores successful
// results and returns the new result.
func (c *Cache) GetOrCompile(expression string) CompilationResult {
// Compiling a CEL expression is expensive enough that it is cheaper
// to lock a mutex than doing it several times in parallel.
c.compileMutex.LockKey(expression)
//nolint:errcheck // Only returns an error for unknown keys, which isn't the case here.
defer c.compileMutex.UnlockKey(expression)
cached := c.get(expression)
if cached != nil {
return *cached
}
expr := GetCompiler().CompileCELExpression(expression, Options{})
if expr.Error == nil {
c.add(expression, &expr)
}
return expr
}
func (c *Cache) add(expression string, expr *CompilationResult) {
c.cacheMutex.Lock()
defer c.cacheMutex.Unlock()
c.cache.Add(expression, expr)
}
func (c *Cache) get(expression string) *CompilationResult {
c.cacheMutex.RLock()
defer c.cacheMutex.RUnlock()
expr, found := c.cache.Get(expression)
if !found {
return nil
}
return expr.(*CompilationResult)
}