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Remove unused well_known_labels in kubeadm.
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e87d8511b1
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@ -11,7 +11,6 @@ go_library(
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"doc.go",
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"doc.go",
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"register.go",
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"register.go",
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"types.go",
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"types.go",
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"well_known_labels.go",
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"zz_generated.deepcopy.go",
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"zz_generated.deepcopy.go",
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],
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],
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importpath = "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm",
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importpath = "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm",
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@ -1,43 +0,0 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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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 kubeadm
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// Role labels are applied to Nodes to mark their purpose. In particular, we
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// usually want to distinguish the master, so that we can isolate privileged
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// pods and operations.
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//
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// Originally we relied on not registering the master, on the fact that the
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// master was Unschedulable, and on static manifests for master components.
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// But we now do register masters in many environments, are generally moving
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// away from static manifests (for better manageability), and working towards
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// deprecating the unschedulable field (replacing it with taints & tolerations
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// instead).
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//
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// Even with tainting, a label remains the easiest way of making a positive
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// selection, so that pods can schedule only to master nodes for example, and
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// thus installations will likely define a label for their master nodes.
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//
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// So that we can recognize master nodes in consequent places though (such as
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// kubectl get nodes), we encourage installations to use the well-known labels.
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// We define NodeLabelRole, which is the preferred form, but we will also recognize
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// other forms that are known to be in widespread use (NodeLabelKubeadmAlphaRole).
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const (
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// NodeLabelKubeadmAlphaRole is a label that kubeadm applies to a Node as a hint that it has a particular purpose.
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// Use of NodeLabelRole is preferred.
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NodeLabelKubeadmAlphaRole = "kubeadm.alpha.kubernetes.io/role"
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)
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