64 lines
3.6 KiB
Go
64 lines
3.6 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 app does all of the work necessary to create a Kubernetes
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// APIServer by binding together the API, master and APIServer infrastructure.
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// It can be configured and called directly or via the hyperkube framework.
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package app
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import (
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"k8s.io/apimachinery/pkg/runtime/schema"
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controlplaneapiserver "k8s.io/kubernetes/pkg/controlplane/apiserver"
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)
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// The proper way to resolve this letting the aggregator know the desired group and version-within-group order of the underlying servers
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// is to refactor the genericapiserver.DelegationTarget to include a list of priorities based on which APIs were installed.
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// This requires the APIGroupInfo struct to evolve and include the concept of priorities and to avoid mistakes, the core storage map there needs to be updated.
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// That ripples out every bit as far as you'd expect, so for 1.7 we'll include the list here instead of being built up during storage.
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var apiVersionPriorities = merge(controlplaneapiserver.DefaultGenericAPIServicePriorities(), map[schema.GroupVersion]controlplaneapiserver.APIServicePriority{
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{Group: "", Version: "v1"}: {Group: 18000, Version: 1},
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// to my knowledge, nothing below here collides
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{Group: "apps", Version: "v1"}: {Group: 17800, Version: 15},
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{Group: "autoscaling", Version: "v1"}: {Group: 17500, Version: 15},
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{Group: "autoscaling", Version: "v2"}: {Group: 17500, Version: 30},
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{Group: "autoscaling", Version: "v2beta1"}: {Group: 17500, Version: 9},
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{Group: "autoscaling", Version: "v2beta2"}: {Group: 17500, Version: 1},
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{Group: "batch", Version: "v1"}: {Group: 17400, Version: 15},
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{Group: "batch", Version: "v1beta1"}: {Group: 17400, Version: 9},
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{Group: "batch", Version: "v2alpha1"}: {Group: 17400, Version: 9},
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{Group: "networking.k8s.io", Version: "v1"}: {Group: 17200, Version: 15},
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{Group: "networking.k8s.io", Version: "v1alpha1"}: {Group: 17200, Version: 1},
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{Group: "policy", Version: "v1"}: {Group: 17100, Version: 15},
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{Group: "policy", Version: "v1beta1"}: {Group: 17100, Version: 9},
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{Group: "storage.k8s.io", Version: "v1"}: {Group: 16800, Version: 15},
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{Group: "storage.k8s.io", Version: "v1beta1"}: {Group: 16800, Version: 9},
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{Group: "storage.k8s.io", Version: "v1alpha1"}: {Group: 16800, Version: 1},
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{Group: "scheduling.k8s.io", Version: "v1"}: {Group: 16600, Version: 15},
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{Group: "node.k8s.io", Version: "v1"}: {Group: 16300, Version: 15},
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{Group: "node.k8s.io", Version: "v1alpha1"}: {Group: 16300, Version: 1},
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{Group: "node.k8s.io", Version: "v1beta1"}: {Group: 16300, Version: 9},
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// Append a new group to the end of the list if unsure.
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// You can use min(existing group)-100 as the initial value for a group.
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// Version can be set to 9 (to have space around) for a new group.
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})
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func merge(a, b map[schema.GroupVersion]controlplaneapiserver.APIServicePriority) map[schema.GroupVersion]controlplaneapiserver.APIServicePriority {
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for k, v := range b {
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a[k] = v
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}
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return a
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}
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