52 lines
1.3 KiB
Go
52 lines
1.3 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 util
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import (
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"context"
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"github.com/coreos/etcd/clientv3"
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"time"
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)
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// EtcdCluster is an interface to get etcd cluster related information
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type EtcdCluster interface {
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GetEtcdClusterStatus() (*clientv3.StatusResponse, error)
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}
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// LocalEtcdCluster represents an instance of a local etcd cluster
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type LocalEtcdCluster struct{}
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// GetEtcdClusterStatus returns nil for status Up or error for status Down
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func (cluster LocalEtcdCluster) GetEtcdClusterStatus() (*clientv3.StatusResponse, error) {
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ep := []string{"localhost:2379"}
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cli, err := clientv3.New(clientv3.Config{
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Endpoints: ep,
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DialTimeout: 5 * time.Second,
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})
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if err != nil {
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return nil, err
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}
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defer cli.Close()
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resp, err := cli.Status(context.Background(), ep[0])
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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