mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-21 12:30:24 +00:00
aa698bc3e1
Kubernetes v1.22 version has been released and this update ceph csi dependencies to use the same version. Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
89 lines
3.8 KiB
Go
89 lines
3.8 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package v1
|
|
|
|
import (
|
|
corev1 "k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
"k8s.io/apiserver/pkg/admission"
|
|
"k8s.io/client-go/tools/cache"
|
|
)
|
|
|
|
// UsageStatsOptions is an options structs that describes how stats should be calculated
|
|
type UsageStatsOptions struct {
|
|
// Namespace where stats should be calculate
|
|
Namespace string
|
|
// Scopes that must match counted objects
|
|
Scopes []corev1.ResourceQuotaScope
|
|
// Resources are the set of resources to include in the measurement
|
|
Resources []corev1.ResourceName
|
|
ScopeSelector *corev1.ScopeSelector
|
|
}
|
|
|
|
// UsageStats is result of measuring observed resource use in the system
|
|
type UsageStats struct {
|
|
// Used maps resource to quantity used
|
|
Used corev1.ResourceList
|
|
}
|
|
|
|
// Evaluator knows how to evaluate quota usage for a particular group resource
|
|
type Evaluator interface {
|
|
// Constraints ensures that each required resource is present on item
|
|
Constraints(required []corev1.ResourceName, item runtime.Object) error
|
|
// GroupResource returns the groupResource that this object knows how to evaluate
|
|
GroupResource() schema.GroupResource
|
|
// Handles determines if quota could be impacted by the specified attribute.
|
|
// If true, admission control must perform quota processing for the operation, otherwise it is safe to ignore quota.
|
|
Handles(operation admission.Attributes) bool
|
|
// Matches returns true if the specified quota matches the input item
|
|
Matches(resourceQuota *corev1.ResourceQuota, item runtime.Object) (bool, error)
|
|
// MatchingScopes takes the input specified list of scopes and input object and returns the set of scopes that matches input object.
|
|
MatchingScopes(item runtime.Object, scopes []corev1.ScopedResourceSelectorRequirement) ([]corev1.ScopedResourceSelectorRequirement, error)
|
|
// UncoveredQuotaScopes takes the input matched scopes which are limited by configuration and the matched quota scopes. It returns the scopes which are in limited scopes but don't have a corresponding covering quota scope
|
|
UncoveredQuotaScopes(limitedScopes []corev1.ScopedResourceSelectorRequirement, matchedQuotaScopes []corev1.ScopedResourceSelectorRequirement) ([]corev1.ScopedResourceSelectorRequirement, error)
|
|
// MatchingResources takes the input specified list of resources and returns the set of resources evaluator matches.
|
|
MatchingResources(input []corev1.ResourceName) []corev1.ResourceName
|
|
// Usage returns the resource usage for the specified object
|
|
Usage(item runtime.Object) (corev1.ResourceList, error)
|
|
// UsageStats calculates latest observed usage stats for all objects
|
|
UsageStats(options UsageStatsOptions) (UsageStats, error)
|
|
}
|
|
|
|
// Configuration defines how the quota system is configured.
|
|
type Configuration interface {
|
|
// IgnoredResources are ignored by quota.
|
|
IgnoredResources() map[schema.GroupResource]struct{}
|
|
// Evaluators for quota evaluation.
|
|
Evaluators() []Evaluator
|
|
}
|
|
|
|
// Registry maintains a list of evaluators
|
|
type Registry interface {
|
|
// Add to registry
|
|
Add(e Evaluator)
|
|
// Remove from registry
|
|
Remove(e Evaluator)
|
|
// Get by group resource
|
|
Get(gr schema.GroupResource) Evaluator
|
|
// List from registry
|
|
List() []Evaluator
|
|
}
|
|
|
|
// ListerForResourceFunc knows how to get a lister for a specific resource
|
|
type ListerForResourceFunc func(schema.GroupVersionResource) (cache.GenericLister, error)
|