102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
// Package etcd...
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//
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// Description : etcd...
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 2021-11-23 12:09 下午
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package etcd
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import (
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"context"
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"time"
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"github.com/coreos/etcd/mvcc/mvccpb"
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"go.etcd.io/etcd/clientv3"
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)
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// Put put数据
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 12:09 下午 2021/11/23
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func Put(ctx context.Context, key string, val string, operateTimeout time.Duration) error {
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if operateTimeout <= 0 {
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operateTimeout = DefaultPutTimeout
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}
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var (
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cancel context.CancelFunc
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err error
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)
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if nil == ctx {
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ctx = context.Background()
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}
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ctx, cancel = context.WithTimeout(ctx, operateTimeout)
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_, err = Client.Put(ctx, key, val)
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cancel()
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return err
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}
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// GetWithOption 使用各种option选项读取数据
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 11:17 上午 2021/11/24
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func GetWithOption(ctx context.Context, key string, operateTimeout time.Duration, optionList ...clientv3.OpOption) (
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[]*mvccpb.KeyValue,
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error,
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) {
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if operateTimeout <= 0 {
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operateTimeout = DefaultGetTimeout
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}
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var (
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cancel context.CancelFunc
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err error
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result *clientv3.GetResponse
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)
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if nil == ctx {
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ctx = context.Background()
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}
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ctx, cancel = context.WithTimeout(context.Background(), operateTimeout)
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defer cancel()
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if result, err = Client.Get(ctx, key, optionList...); err != nil {
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return nil, err
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}
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return result.Kvs, nil
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}
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// Get 读取数据,按照key精确匹配
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 12:09 下午 2021/11/23
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func Get(ctx context.Context, key string, operateTimeout time.Duration) (
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[]*mvccpb.KeyValue,
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error,
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) {
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return GetWithOption(ctx, key, operateTimeout)
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}
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// GetWithPrefix 使用key前缀查找
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//
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// Author : go_developer@163.com<白茶清欢>
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//
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// Date : 10:58 上午 2021/11/24
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func GetWithPrefix(ctx context.Context, keyPrefix string, operateTimeout time.Duration) (
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map[string]*mvccpb.KeyValue,
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error,
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) {
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var (
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result []*mvccpb.KeyValue
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err error
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)
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if result, err = GetWithOption(ctx, keyPrefix, operateTimeout, clientv3.WithPrefix()); nil != err {
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return make(map[string]*mvccpb.KeyValue), err
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}
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formatResult := make(map[string]*mvccpb.KeyValue)
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for _, item := range result {
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formatResult[string(item.Key)] = item
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}
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return formatResult, nil
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}
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