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71 lines
2.3 KiB
Go
71 lines
2.3 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 reconcilers Endpoint Reconcilers for the apiserver
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package reconcilers
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import (
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corev1 "k8s.io/api/core/v1"
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"net"
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)
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// EndpointReconciler knows how to reconcile the endpoints for the apiserver service.
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type EndpointReconciler interface {
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// ReconcileEndpoints sets the endpoints for the given apiserver service (ro or rw).
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// ReconcileEndpoints expects that the endpoints objects it manages will all be
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// managed only by ReconcileEndpoints; therefore, to understand this, you need only
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// understand the requirements.
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//
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// Requirements:
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// * All apiservers MUST use the same ports for their {rw, ro} services.
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// * All apiservers MUST use ReconcileEndpoints and only ReconcileEndpoints to manage the
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// endpoints for their {rw, ro} services.
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// * ReconcileEndpoints is called periodically from all apiservers.
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ReconcileEndpoints(serviceName string, ip net.IP, endpointPorts []corev1.EndpointPort, reconcilePorts bool) error
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StopReconciling(serviceName string, ip net.IP, endpointPorts []corev1.EndpointPort) error
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}
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// Type the reconciler type
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type Type string
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const (
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// MasterCountReconcilerType will select the original reconciler
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MasterCountReconcilerType Type = "master-count"
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// LeaseEndpointReconcilerType will select a storage based reconciler
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LeaseEndpointReconcilerType = "lease"
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// NoneEndpointReconcilerType will turn off the endpoint reconciler
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NoneEndpointReconcilerType = "none"
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)
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// Types an array of reconciler types
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type Types []Type
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// AllTypes export all reconcilers
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var AllTypes = Types{
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MasterCountReconcilerType,
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LeaseEndpointReconcilerType,
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NoneEndpointReconcilerType,
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}
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// Names returns a slice of all the reconciler names
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func (t Types) Names() []string {
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strs := make([]string, len(t))
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for i, v := range t {
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strs[i] = string(v)
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}
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return strs
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}
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