kubernetes/plugin/pkg/scheduler/algorithm/predicates/error.go
Kubernetes Submit Queue 21188cadeb Merge pull request #26501 from resouer/scheduler
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
2016-10-07 12:05:35 -07:00

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
}