forked from rook/rook
Arun Kumar Mohan
421f340c1c
Updating the dependencies' versions to match with the newer Operator SDK version v1.x Signed-off-by: Arun Kumar Mohan <amohan@redhat.com>
53 lines
1.9 KiB
Go
53 lines
1.9 KiB
Go
/*
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Copyright 2019 The Rook Authors. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package k8sutil
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import (
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v1 "k8s.io/api/core/v1"
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cloudproviderapi "k8s.io/cloud-provider/api"
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)
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// WellKnownTaints is a list of well-known taint keys in the Kubernetes code base. Kubernetes may
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// automatically apply these taints to nodes during runtime. Most will be added with the
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// `NoSchedule` affect, but some are created with `NoExecute`. Rook may wish to ignore these taints
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// when decided whether to modify resources it creates based on whether taints are likely to have
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// been added by Kubernetes or by the user.
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// see: https://github.com/kubernetes/kubernetes/blob/master/pkg/scheduler/api/well_known_labels.go
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// and: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/#taint-based-evictions
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var WellKnownTaints = []string{
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v1.TaintNodeNotReady, // NoExecute
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v1.TaintNodeUnreachable, // NoExecute
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v1.TaintNodeUnschedulable,
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v1.TaintNodeMemoryPressure,
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v1.TaintNodeDiskPressure,
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v1.TaintNodeNetworkUnavailable,
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v1.TaintNodePIDPressure,
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cloudproviderapi.TaintExternalCloudProvider,
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cloudproviderapi.TaintNodeShutdown,
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}
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// TaintIsWellKnown returns true if the taint's key is in the WellKnownTaints list. False otherwise.
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// See WellKnownTaints for more information.
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func TaintIsWellKnown(t v1.Taint) bool {
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for _, w := range WellKnownTaints {
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if t.Key == w {
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return true
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}
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}
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return false
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}
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