114 lines
4.5 KiB
Go
114 lines
4.5 KiB
Go
/*
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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 features
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import (
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genericfeatures "k8s.io/apiserver/pkg/features"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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)
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const (
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// Every feature gate should add method here following this template:
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//
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// // owner: @username
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// // alpha: v1.4
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// MyFeature() bool
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// owner: @timstclair
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// beta: v1.4
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AppArmor utilfeature.Feature = "AppArmor"
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// owner: @girishkalele
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// alpha: v1.4
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ExternalTrafficLocalOnly utilfeature.Feature = "AllowExtTrafficLocalEndpoints"
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// owner: @saad-ali
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// alpha: v1.3
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DynamicVolumeProvisioning utilfeature.Feature = "DynamicVolumeProvisioning"
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// owner: @mtaufen
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// alpha: v1.4
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DynamicKubeletConfig utilfeature.Feature = "DynamicKubeletConfig"
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// owner: timstclair
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// alpha: v1.5
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//
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// StreamingProxyRedirects controls whether the apiserver should intercept (and follow)
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// redirects from the backend (Kubelet) for streaming requests (exec/attach/port-forward).
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StreamingProxyRedirects utilfeature.Feature = genericfeatures.StreamingProxyRedirects
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// owner: @pweil-
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// alpha: v1.5
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//
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// Default userns=host for containers that are using other host namespaces, host mounts, the pod
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// contains a privileged container, or specific non-namespaced capabilities (MKNOD, SYS_MODULE,
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// SYS_TIME). This should only be enabled if user namespace remapping is enabled in the docker daemon.
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ExperimentalHostUserNamespaceDefaultingGate utilfeature.Feature = "ExperimentalHostUserNamespaceDefaulting"
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// owner: @vishh
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// alpha: v1.5
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//
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// Ensures guaranteed scheduling of pods marked with a special pod annotation `scheduler.alpha.kubernetes.io/critical-pod`
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// and also prevents them from being evicted from a node.
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// Note: This feature is not supported for `BestEffort` pods.
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ExperimentalCriticalPodAnnotation utilfeature.Feature = "ExperimentalCriticalPodAnnotation"
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// owner: @davidopp
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// alpha: v1.6
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//
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// Determines if affinity defined in annotations should be processed
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// TODO: remove when alpha support for affinity is removed
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AffinityInAnnotations utilfeature.Feature = "AffinityInAnnotations"
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// owner: @vishh
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// alpha: v1.6
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//
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// Enables support for GPUs as a schedulable resource.
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// Only Nvidia GPUs are supported as of v1.6.
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// Works only with Docker Container Runtime.
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Accelerators utilfeature.Feature = "Accelerators"
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// owner: @gmarek
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// alpha: v1.6
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//
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// Changes the logic behind evicting Pods from not ready Nodes
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// to take advantage of NoExecute Taints and Tolerations.
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TaintBasedEvictions utilfeature.Feature = "TaintBasedEvictions"
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)
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func init() {
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utilfeature.DefaultFeatureGate.Add(defaultKubernetesFeatureGates)
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}
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// defaultKubernetesFeatureGates consists of all known Kubernetes-specific feature keys.
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// To add a new feature, define a key for it above and add it here. The features will be
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// available throughout Kubernetes binaries.
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var defaultKubernetesFeatureGates = map[utilfeature.Feature]utilfeature.FeatureSpec{
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ExternalTrafficLocalOnly: {Default: true, PreRelease: utilfeature.Beta},
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AppArmor: {Default: true, PreRelease: utilfeature.Beta},
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DynamicKubeletConfig: {Default: false, PreRelease: utilfeature.Alpha},
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DynamicVolumeProvisioning: {Default: true, PreRelease: utilfeature.Alpha},
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ExperimentalHostUserNamespaceDefaultingGate: {Default: false, PreRelease: utilfeature.Beta},
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ExperimentalCriticalPodAnnotation: {Default: false, PreRelease: utilfeature.Alpha},
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AffinityInAnnotations: {Default: false, PreRelease: utilfeature.Alpha},
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Accelerators: {Default: false, PreRelease: utilfeature.Alpha},
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TaintBasedEvictions: {Default: false, PreRelease: utilfeature.Alpha},
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// inherited features from generic apiserver, relisted here to get a conflict if it is changed
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// unintentionally on either side:
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StreamingProxyRedirects: {Default: true, PreRelease: utilfeature.Beta},
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}
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