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etcd.go
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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"time"
"github.com/coreos/etcd/Godeps/_workspace/src/golang.org/x/net/context"
etcdclient "github.com/coreos/etcd/client"
)
type EtcdClient interface {
Get(ctx context.Context, key string, opts *etcdclient.GetOptions) (*etcdclient.Response, error)
Set(ctx context.Context, key, value string, opts *etcdclient.SetOptions) (*etcdclient.Response, error)
Delete(ctx context.Context, key string, opts *etcdclient.DeleteOptions) (*etcdclient.Response, error)
}
/**
Initialize an etcd API client
*/
func newEtcdClient(etcdAddresses []string) (EtcdClient, error) {
var (
etcdClient etcdclient.Client
err error
)
if etcdClient, err = newRawEtcdClient(etcdAddresses); err == nil {
return etcdclient.NewKeysAPI(etcdClient), nil
}
return nil, err
}
/**
Initialize an etcd API client
*/
func newRawEtcdClient(etcdAddresses []string) (etcdclient.Client, error) {
cfg := etcdclient.Config{
Endpoints: etcdAddresses,
Transport: etcdclient.DefaultTransport,
// set timeout per request to fail fast when the target endpoint is unavailable
HeaderTimeoutPerRequest: time.Second,
}
return etcdclient.New(cfg)
}