retry.go
package clientv3
import (
"github.com/coreos/etcd/etcdserver/api/v3rpc/rpctypes"
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
)
type rpcFunc func(ctx context.Context) error
type retryRpcFunc func(context.Context, rpcFunc) error
func (c *Client) newRetryWrapper() retryRpcFunc {
return func(rpcCtx context.Context, f rpcFunc) error {
for {
err := f(rpcCtx)
if err == nil {
return nil
}
// only retry if unavailable
if grpc.Code(err) != codes.Unavailable {
return err
}
// always stop retry on etcd errors
eErr := rpctypes.Error(err)
if _, ok := eErr.(rpctypes.EtcdError); ok {
return err
}
select {
case <-c.balancer.ConnectNotify():
case <-rpcCtx.Done():
return rpcCtx.Err()
case <-c.ctx.Done():
return c.ctx.Err()
}
}
}
}
type retryKVClient struct {
pb.KVClient
retryf retryRpcFunc
}
// RetryKVClient implements a KVClient that uses the client's FailFast retry policy.
func RetryKVClient(c *Client) pb.KVClient {
return &retryKVClient{pb.NewKVClient(c.conn), c.retryWrapper}
}
func (rkv *retryKVClient) Put(ctx context.Context, in *pb.PutRequest, opts ...grpc.CallOption) (resp *pb.PutResponse, err error) {
err = rkv.retryf(ctx, func(rctx context.Context) error {
resp, err = rkv.KVClient.Put(rctx, in, opts...)
return err
})
return resp, err
}
func (rkv *retryKVClient) DeleteRange(ctx context.Context, in *pb.DeleteRangeRequest, opts ...grpc.CallOption) (resp *pb.DeleteRangeResponse, err error) {
err = rkv.retryf(ctx, func(rctx context.Context) error {
resp, err = rkv.KVClient.DeleteRange(rctx, in, opts...)
return err
})
return resp, err
}
func (rkv *retryKVClient) Txn(ctx context.Context, in *pb.TxnRequest, opts ...grpc.CallOption) (resp *pb.TxnResponse, err error) {
err = rkv.retryf(ctx, func(rctx context.Context) error {
resp, err = rkv.KVClient.Txn(rctx, in, opts...)
return err
})
return resp, err
}
func (rkv *retryKVClient) Compact(ctx context.Context, in *pb.CompactionRequest, opts ...grpc.CallOption) (resp *pb.CompactionResponse, err error) {
err = rkv.retryf(ctx, func(rctx context.Context) error {
resp, err = rkv.KVClient.Compact(rctx, in, opts...)
return err
})
return resp, err
}
type retryLeaseClient struct {
pb.LeaseClient
retryf retryRpcFunc
}
// RetryLeaseClient implements a LeaseClient that uses the client's FailFast retry policy.
func RetryLeaseClient(c *Client) pb.LeaseClient {
return &retryLeaseClient{pb.NewLeaseClient(c.conn), c.retryWrapper}
}
func (rlc *retryLeaseClient) LeaseGrant(ctx context.Context, in *pb.LeaseGrantRequest, opts ...grpc.CallOption) (resp *pb.LeaseGrantResponse, err error) {
err = rlc.retryf(ctx, func(rctx context.Context) error {
resp, err = rlc.LeaseClient.LeaseGrant(rctx, in, opts...)
return err
})
return resp, err
}
func (rlc *retryLeaseClient) LeaseRevoke(ctx context.Context, in *pb.LeaseRevokeRequest, opts ...grpc.CallOption) (resp *pb.LeaseRevokeResponse, err error) {
err = rlc.retryf(ctx, func(rctx context.Context) error {
resp, err = rlc.LeaseClient.LeaseRevoke(rctx, in, opts...)
return err
})
return resp, err
}
type retryClusterClient struct {
pb.ClusterClient
retryf retryRpcFunc
}
// RetryClusterClient implements a ClusterClient that uses the client's FailFast retry policy.
func RetryClusterClient(c *Client) pb.ClusterClient {
return &retryClusterClient{pb.NewClusterClient(c.conn), c.retryWrapper}
}
func (rcc *retryClusterClient) MemberAdd(ctx context.Context, in *pb.MemberAddRequest, opts ...grpc.CallOption) (resp *pb.MemberAddResponse, err error) {
err = rcc.retryf(ctx, func(rctx context.Context) error {
resp, err = rcc.ClusterClient.MemberAdd(rctx, in, opts...)
return err
})
return resp, err
}
func (rcc *retryClusterClient) MemberRemove(ctx context.Context, in *pb.MemberRemoveRequest, opts ...grpc.CallOption) (resp *pb.MemberRemoveResponse, err error) {
err = rcc.retryf(ctx, func(rctx context.Context) error {
resp, err = rcc.ClusterClient.MemberRemove(rctx, in, opts...)
return err
})
return resp, err
}
func (rcc *retryClusterClient) MemberUpdate(ctx context.Context, in *pb.MemberUpdateRequest, opts ...grpc.CallOption) (resp *pb.MemberUpdateResponse, err error) {
err = rcc.retryf(ctx, func(rctx context.Context) error {
resp, err = rcc.ClusterClient.MemberUpdate(rctx, in, opts...)
return err
})
return resp, err
}
type retryAuthClient struct {
pb.AuthClient
retryf retryRpcFunc
}
// RetryAuthClient implements a AuthClient that uses the client's FailFast retry policy.
func RetryAuthClient(c *Client) pb.AuthClient {
return &retryAuthClient{pb.NewAuthClient(c.conn), c.retryWrapper}
}
func (rac *retryAuthClient) AuthEnable(ctx context.Context, in *pb.AuthEnableRequest, opts ...grpc.CallOption) (resp *pb.AuthEnableResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.AuthEnable(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) AuthDisable(ctx context.Context, in *pb.AuthDisableRequest, opts ...grpc.CallOption) (resp *pb.AuthDisableResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.AuthDisable(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) UserAdd(ctx context.Context, in *pb.AuthUserAddRequest, opts ...grpc.CallOption) (resp *pb.AuthUserAddResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.UserAdd(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) UserDelete(ctx context.Context, in *pb.AuthUserDeleteRequest, opts ...grpc.CallOption) (resp *pb.AuthUserDeleteResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.UserDelete(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) UserChangePassword(ctx context.Context, in *pb.AuthUserChangePasswordRequest, opts ...grpc.CallOption) (resp *pb.AuthUserChangePasswordResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.UserChangePassword(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) UserGrantRole(ctx context.Context, in *pb.AuthUserGrantRoleRequest, opts ...grpc.CallOption) (resp *pb.AuthUserGrantRoleResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.UserGrantRole(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) UserRevokeRole(ctx context.Context, in *pb.AuthUserRevokeRoleRequest, opts ...grpc.CallOption) (resp *pb.AuthUserRevokeRoleResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.UserRevokeRole(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) RoleAdd(ctx context.Context, in *pb.AuthRoleAddRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleAddResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.RoleAdd(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) RoleDelete(ctx context.Context, in *pb.AuthRoleDeleteRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleDeleteResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.RoleDelete(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) RoleGrantPermission(ctx context.Context, in *pb.AuthRoleGrantPermissionRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleGrantPermissionResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.RoleGrantPermission(rctx, in, opts...)
return err
})
return resp, err
}
func (rac *retryAuthClient) RoleRevokePermission(ctx context.Context, in *pb.AuthRoleRevokePermissionRequest, opts ...grpc.CallOption) (resp *pb.AuthRoleRevokePermissionResponse, err error) {
err = rac.retryf(ctx, func(rctx context.Context) error {
resp, err = rac.AuthClient.RoleRevokePermission(rctx, in, opts...)
return err
})
return resp, err
}
retry.go的更多相关文章
- 第3月第21天 nsclassfromstring返回null SVN报错:clean the working copy and then retry the operation
1. xcodeproj工程损坏时,.m文件没有加入编译. 2. SVN报错:clean the working copy and then retry the operation http://bl ...
- -bash: fork: retry: Resource temporarily unavailable
登陆不了服务器The server refused to start a shell. 登陆服务器后执行ls命令报错: 1 2 $ls -bash: fork: retry: Resource t ...
- java function retry wrapper
import java.util.concurrent.Callable; /** * Created by huahui.yang on 1/29/16. */ public class Retry ...
- Spring retry基本使用
Spring retry基本使用 背景介绍 在实际工作过程中,重试是一个经常使用的手段.比如MQ发送消息失败,会采取重试手段,比如工程中使用RPC请求外部服务,可能因为网络 波动出现超时而采取重试手段 ...
- freebsd启动报错：My unqualified host name unkown...Sleeping for retry.
原文 http://blog.163.com/sujoe_2006/blog/static/335315120111158576591/ 病状:启动报"My unqualified host ...
- ebs R12.2启动报错"failed to start a managed process after the maximum retry limit"
启动日志: Error --> Process (index=1,uid=1739599208,pid=4479) failed to start a managed process after ...
- Windows Azure Storage 之 Retry Policy （用来处理短暂性错误-Transient Fault）
在使用Windows Azure Storage Service 的时候, 通常会遇到各种各样的问题. 例如网络连接不稳定,导致请求没有发出去.删除一个Blob Container 之后又立刻创建同名 ...
- 启动受管服务器出现：unable to get file lock, will retry...
启动受管服务器出现:unable to get file lock, will retry... 解决方法:一.删掉Domain下的*.lok文件1. 删除edit.lok进入到domain_home ...
- spring retry 使用
1. 场景 系统方法调用时无状态的,同时因为网络原因,或者系统暂时故障,进行的重试 2. maven 依赖 <project xmlns="http://maven.apa ...
- C# Retry重试操作解决方案（附源码）
一.前言 (1)对于Thread的Abort方法,如果线程当前正在执行的是一段非托管代码,那么CLR就不会抛出ThreadAbortException,只有当代码继续回到CLR中时,才会引发Threa ...
随机推荐
- EF CodeFirst 数据库初始化策略
最近用EF做了几个小东西,了解简单使用后有了深入研究的兴趣,所以想系统的研究一下EF CodeFist的几个要点.下面简单列一下目录 1.1 目录 数据库初始化策略和数据迁移Migration的简单介 ...
- Pycharm安装教程
1.下载PyQt 官方网站:http://www.riverbankcomputing.com/software/pyqt/download5 我的操作系统是64位的,安装的是Python3.4.3, ...
- Java 面试知识点解析(一)——基础知识篇
前言: 在遨游了一番 Java Web 的世界之后,发现了自己的一些缺失,所以就着一篇深度好文:知名互联网公司校招 Java 开发岗面试知识点解析 ,来好好的对 Java 知识点进行复习和学习一番,大 ...
- AE、AS调用时用代码提供许可（不需要添加LicenseControl控件）
private void CheckBindLicense() { ESRI.ArcGIS.RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDe ...
- D3中的each() 以及svg defs元素 clipPath的使用
each() 方法允许我们定制对选择集中DOM元素的处理行为: selection . each ( func ) 参数 func 是调用者定义的函数,在d3中被称为 访问器/accessor . d ...
- android sqlite android.database.CursorIndexOutOfBoundsException: Index 5 requested, with a size of 5
Cursor c = db.query("user",null,null,null,null,null,null);//查询并获得游标 if(c.moveToFirst()){// ...
- 洛谷 P1069 解题报告
P1069 细胞分裂 题目描述 \(Hanks\)博士是\(BT\) (\(Bio-Tech\),生物技术) 领域的知名专家.现在,他正在为一个细胞实验做准备工作:培养细胞样本. \(Hanks\) ...
- Python学习 Part6：错误和异常
Python学习 Part6:错误和异常 两种不同类型的错误:语法错误和异常 1. 语法错误 语法错误,也被称作解析错误: >>> while True print('Hello w ...
- Python_替换当前目录下文件类型
''' 将当前目录的所有扩展名为html的文件重命名为扩展名为htm的文件 方法一 ''' import os file_list=os.listdir('.') for filename in fi ...
- Unite Beijing 2018 参会简要分享
一. Training Day 主讲人:鲍建运 操作:马瑞 课程包括较为完整的功能,如灯光设置,角色动画控制,Cinemachine,Timeline,AI寻路,以及最新的Post Processin ...