mirror of https://github.com/k3s-io/k3s
35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
/*
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Copyright 2014 Google Inc. 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 election
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import (
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"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
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)
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// MasterElector is an interface for services that can elect masters.
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// Important Note: MasterElectors are not inter-operable, all participants in the election need to be
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// using the same underlying implementation of this interface for correct behavior.
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type MasterElector interface {
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// RequestMaster makes the caller represented by 'id' enter into a master election for the
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// distributed lock defined by 'path'
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// The returned watch.Interface provides a stream of Master objects which
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// contain the current master.
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// Calling Stop on the returned interface relinquishes ownership (if currently possesed)
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// and removes the caller from the election
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Elect(path, id string) watch.Interface
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}
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