mirror of https://github.com/k3s-io/k3s
64 lines
2.4 KiB
Go
64 lines
2.4 KiB
Go
/*
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Copyright 2014 The Kubernetes 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 service
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import (
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"net"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/service/ipallocator"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
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)
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// Registry is an interface for things that know how to store services.
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type Registry interface {
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ListServices(ctx api.Context) (*api.ServiceList, error)
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CreateService(ctx api.Context, svc *api.Service) (*api.Service, error)
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GetService(ctx api.Context, name string) (*api.Service, error)
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DeleteService(ctx api.Context, name string) error
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UpdateService(ctx api.Context, svc *api.Service) (*api.Service, error)
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WatchServices(ctx api.Context, labels labels.Selector, fields fields.Selector, resourceVersion string) (watch.Interface, error)
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}
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// IPRegistry is a registry that can retrieve or persist a RangeAllocation object.
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type IPRegistry interface {
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// Get returns the latest allocation, an empty object if no allocation has been made,
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// or an error if the allocation could not be retrieved.
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Get() (*api.RangeAllocation, error)
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// CreateOrUpdate should create or update the provide allocation, unless a conflict
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// has occured since the item was last created.
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CreateOrUpdate(*api.RangeAllocation) error
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}
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// RestoreRange updates a snapshottable ipallocator from a RangeAllocation
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func RestoreRange(dst ipallocator.Snapshottable, src *api.RangeAllocation) error {
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_, network, err := net.ParseCIDR(src.Range)
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if err != nil {
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return err
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}
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return dst.Restore(network, src.Data)
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}
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// SnapshotRange updates a RangeAllocation to match a snapshottable ipallocator
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func SnapshotRange(dst *api.RangeAllocation, src ipallocator.Snapshottable) {
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network, data := src.Snapshot()
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dst.Range = network.String()
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dst.Data = data
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}
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