
Automatic merge from submit-queue Add kubelet awareness to taint tolerant match caculator. Add kubelet awareness to taint tolerant match caculator. Ref: #25320 This is required by `TaintEffectNoScheduleNoAdmit` & `TaintEffectNoScheduleNoAdmitNoExecute `, so that node will know if it should expect the taint&tolerant
119 lines
4.2 KiB
Go
119 lines
4.2 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 predicates
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
)
|
|
|
|
var (
|
|
// The predicateName tries to be consistent as the predicate name used in DefaultAlgorithmProvider defined in
|
|
// defaults.go (which tend to be stable for backward compatibility)
|
|
ErrDiskConflict = newPredicateFailureError("NoDiskConflict")
|
|
ErrVolumeZoneConflict = newPredicateFailureError("NoVolumeZoneConflict")
|
|
ErrNodeSelectorNotMatch = newPredicateFailureError("MatchNodeSelector")
|
|
ErrPodAffinityNotMatch = newPredicateFailureError("MatchInterPodAffinity")
|
|
ErrPodNotMatchHostName = newPredicateFailureError("HostName")
|
|
ErrPodNotFitsHostPorts = newPredicateFailureError("PodFitsHostPorts")
|
|
ErrNodeLabelPresenceViolated = newPredicateFailureError("CheckNodeLabelPresence")
|
|
ErrServiceAffinityViolated = newPredicateFailureError("CheckServiceAffinity")
|
|
ErrMaxVolumeCountExceeded = newPredicateFailureError("MaxVolumeCount")
|
|
ErrNodeUnderMemoryPressure = newPredicateFailureError("NodeUnderMemoryPressure")
|
|
ErrNodeUnderDiskPressure = newPredicateFailureError("NodeUnderDiskPressure")
|
|
ErrNodeUnderInodePressure = newPredicateFailureError("NodeUnderInodePressure")
|
|
// ErrFakePredicate is used for test only. The fake predicates returning false also returns error
|
|
// as ErrFakePredicate.
|
|
ErrFakePredicate = newPredicateFailureError("FakePredicateError")
|
|
)
|
|
|
|
// ErrTaintsTolerationsNotMatch is an error type that indicates with if it should be aware by kubelet.
|
|
type ErrTaintsTolerationsNotMatch struct {
|
|
SomeUntoleratedTaintIsNoAdmit bool
|
|
}
|
|
|
|
func newErrTaintsTolerationsNotMatch(someUntoleratedTaintIsNoAdmit bool) *ErrTaintsTolerationsNotMatch {
|
|
return &ErrTaintsTolerationsNotMatch{
|
|
SomeUntoleratedTaintIsNoAdmit: someUntoleratedTaintIsNoAdmit,
|
|
}
|
|
}
|
|
|
|
func (e *ErrTaintsTolerationsNotMatch) Error() string {
|
|
return fmt.Sprintf("Taint Toleration unmatched with SomeUntoleratedTaintIsNoAdmit is: %v", e.SomeUntoleratedTaintIsNoAdmit)
|
|
}
|
|
|
|
func (e *ErrTaintsTolerationsNotMatch) GetReason() string {
|
|
return fmt.Sprintf("ErrTaintsTolerationsNotMatch, and SomeUntoleratedTaintIsNoAdmit is: %v", e.SomeUntoleratedTaintIsNoAdmit)
|
|
}
|
|
|
|
// InsufficientResourceError is an error type that indicates what kind of resource limit is
|
|
// hit and caused the unfitting failure.
|
|
type InsufficientResourceError struct {
|
|
// resourceName is the name of the resource that is insufficient
|
|
ResourceName api.ResourceName
|
|
requested int64
|
|
used int64
|
|
capacity int64
|
|
}
|
|
|
|
func NewInsufficientResourceError(resourceName api.ResourceName, requested, used, capacity int64) *InsufficientResourceError {
|
|
return &InsufficientResourceError{
|
|
ResourceName: resourceName,
|
|
requested: requested,
|
|
used: used,
|
|
capacity: capacity,
|
|
}
|
|
}
|
|
|
|
func (e *InsufficientResourceError) Error() string {
|
|
return fmt.Sprintf("Node didn't have enough resource: %s, requested: %d, used: %d, capacity: %d",
|
|
e.ResourceName, e.requested, e.used, e.capacity)
|
|
}
|
|
|
|
func (e *InsufficientResourceError) GetReason() string {
|
|
return fmt.Sprintf("Insufficient %v", e.ResourceName)
|
|
}
|
|
|
|
type PredicateFailureError struct {
|
|
PredicateName string
|
|
}
|
|
|
|
func newPredicateFailureError(predicateName string) *PredicateFailureError {
|
|
return &PredicateFailureError{PredicateName: predicateName}
|
|
}
|
|
|
|
func (e *PredicateFailureError) Error() string {
|
|
return fmt.Sprintf("Predicate %s failed", e.PredicateName)
|
|
}
|
|
|
|
func (e *PredicateFailureError) GetReason() string {
|
|
return e.PredicateName
|
|
}
|
|
|
|
type FailureReason struct {
|
|
reason string
|
|
}
|
|
|
|
func NewFailureReason(msg string) *FailureReason {
|
|
return &FailureReason{reason: msg}
|
|
}
|
|
|
|
func (e *FailureReason) GetReason() string {
|
|
return e.reason
|
|
}
|