From 164c94a4d82ccad8277b1c2dcb32943102d846aa Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期六, 12 十月 2019 10:15:27 +0800
Subject: [PATCH] 修改SnapshotPath为配置文件可配
---
agent.go | 100 ++++++++++++++++++++++++++++++++++---------------
1 files changed, 69 insertions(+), 31 deletions(-)
diff --git a/agent.go b/agent.go
index 0a2a2ff..ceb7479 100644
--- a/agent.go
+++ b/agent.go
@@ -61,9 +61,9 @@
}
// Create create serf agent with config
-func Create(conf *Config) (*Agent, error) {
+func Create(conf *Config, snapshotPath string) (*Agent, error) {
// config cover to serf config
- serfConf, err := conf.convertToSerf()
+ serfConf, err := conf.convertToSerf(snapshotPath)
if err != nil {
return nil, err
}
@@ -81,6 +81,7 @@
return nil, err
}
serfConf.MemberlistConfig.Keyring = keyring
+
logger.Info("[INFO] agent: Restored keyring with %d keys from %s",
len(conf.EncryptKey), conf.EncryptKey)
@@ -132,11 +133,10 @@
}
if sqlUe.Owner != a.conf.NodeName {
- evTime := uint64(ev.LTime)
- logger.Info("ev.LTime:",evTime,",SqlUserEvent.sql:",sqlUe.Sql)
+ flag, e := ExecuteSqlByGorm(sqlUe.Sql)
- flag, _ := ExecuteSqlByGorm(sqlUe.Sql)
- logger.Info("userEvent exec ",sqlUe.Sql,",Result:",flag)
+ evTime := uint64(ev.LTime)
+ logger.Info("ev.LTime:",evTime,"userEvent exec ",sqlUe.Sql,",Result:",flag,", err:",e)
}
} else if ev.Name == UserEventSyncDbTablePersonCache {
logger.Info("LTime:",ev.LTime,",ev.Payload.len:",len(ev.Payload))
@@ -189,29 +189,52 @@
//for _, r := range rows {
// rowsReturn = append(rowsReturn, *r)
//}
- var tableNames []string
- err := json.Unmarshal(ev.Payload, &tableNames)
+ var fromP QueryTableDataParam
+ err := json.Unmarshal(ev.Payload, &fromP)
if err !=nil {
logger.Error("Query tableNames unmarshal err")
return
}
- logger.Info("Query tableNames:",tableNames)
- datas, err := ExecuteQueryByGorm(tableNames)
+ logger.Info("Query tableNames:",fromP.Tables)
+ datas, err := ExecuteQueryByGorm(fromP.Tables)
if err !=nil {
logger.Error("queryByGorm err")
return
}
bytesReturn, err := json.Marshal(datas)
logger.Info("results.len: ", len(bytesReturn))
- if query, ok := event.(*serf.Query); ok {
- if err := query.Respond(bytesReturn); err != nil {
- logger.Error("err: %s\n", err)
- return
+
+ var targetNode *memberlist.Node
+ nodes := a.Serf().Memberlist().Members()
+ if nodes != nil && len(nodes) > 0 {
+ for _,n :=range nodes {
+ if n.Name == fromP.From {
+ targetNode = n
+ break
+ }
}
}
+ logger.Debug("targetNode:",targetNode.Name)
+ if targetNode !=nil {
+ addr := targetNode.Addr.String() + ":" + strconv.Itoa(TcpTransportPort)
+ sendErr := rawSendTcpMsg(addr, bytesReturn)
- //var res []*Rows
- //json.Unmarshal(bytesReturn, &res)
+ if sendErr != nil {
+ logger.Debug("sendToTcp err:",sendErr)
+ } else {
+ logger.Debug("sendToTcp success")
+ }
+
+ } else {
+ logger.Debug("targetNode is nil")
+ }
+
+ //if query, ok := event.(*serf.Query); ok {
+ // if err := query.Respond(bytesReturn); err != nil {
+ // logger.Error("err: %s\n", err)
+ // return
+ // }
+ //}
}
case serf.MemberEvent:
if event.EventType() == serf.EventMemberLeave {
@@ -244,6 +267,7 @@
//a.DeregisterEventHandler(a)
//close(a.readyCh)
}
+
func (a *Agent) BroadcastMemberlist(delay time.Duration) {
//serf := a.serf
@@ -445,6 +469,12 @@
}()
}
+type QueryTableDataParam struct {
+ Tables []string `json:"tables"`
+ From string `json:"from"`
+}
+
+var QueryTcpResponseChan = make(chan []byte)
//GetDbFromCluster get the newest database after join cluster
//dbPathWrite the path where to write after got a database,
func (a *Agent) GetTableDataFromCluster(tableNames []string) (*[]string,error) {
@@ -472,8 +502,12 @@
FilterNodes: strings.Fields(specmembername),
}
- //SQL
- tBytes, _ := json.Marshal(tableNames)
+ //get db tables
+ var fromP = QueryTableDataParam{
+ Tables: tableNames,
+ From: a.conf.NodeName,
+ }
+ tBytes, _ := json.Marshal(fromP)
resp, err := a.Query(QueryEventUpdateDBData, tBytes, ¶ms)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
@@ -481,25 +515,29 @@
}
logger.Info("Query.resp.err:",err,"resp:",resp)
+ var dumpSqls []string
+
var wg sync.WaitGroup
wg.Add(1)
- var dumpSqls []string
- go func() {
+ ticker := time.NewTicker(300*time.Second)
+ go func(tk *time.Ticker) {
+ defer tk.Stop()
defer wg.Done()
- respCh := resp.ResponseCh()
for {
select {
- case r := <-respCh:
- logger.Info("Query response's len:", len(r.Payload))
- err := json.Unmarshal(r.Payload, &dumpSqls)
- if err ==nil {
- logger.Error("dumpSql:",dumpSqls)
+ case <-tk.C:
+ return
+ case msg := <- QueryTcpResponseChan:
+ logger.Info("Query response's len:", len(msg))
+ err := json.Unmarshal(msg, &dumpSqls)
+ if err == nil {
+ logger.Error("dumpSql:", dumpSqls)
logger.Error("data dump success")
}
return
}
}
- }()
+ }(ticker)
wg.Wait()
return &dumpSqls,nil
@@ -548,8 +586,8 @@
}
//Init serf Init
-func Init(clusterID string, password string, nodeID string, addrs []string) (*Agent, error) {
- agent, err := InitNode(clusterID, password, nodeID)
+func Init(clusterID string, password string, nodeID string, addrs []string, snapshotPath string) (*Agent, error) {
+ agent, err := InitNode(clusterID, password, nodeID, snapshotPath)
if err != nil {
logger.Error("InitNode failed, error: %s", err)
return agent, err
@@ -565,7 +603,7 @@
}
//InitNode web鍚庡彴鏀跺埌鍒涘缓闆嗙兢鐨勮姹傦紝
-func InitNode(clusterID string, password string, nodeID string) (*Agent, error) {
+func InitNode(clusterID string, password string, nodeID string, snapshotPath string) (*Agent, error) {
conf := DefaultConfig()
logger.Info("clusterID:", clusterID, "password:", password, "nodeID:", nodeID)
conf.ClusterID = clusterID
@@ -581,7 +619,7 @@
}
conf.EncryptKey = password
}
- agent, err := Create(conf)
+ agent, err := Create(conf, snapshotPath)
if err != nil {
logger.Error("create agent failed, error: %s", err)
return agent, err
--
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