From 37a94b505f4063694c5b430664f02242f8a8e2ba Mon Sep 17 00:00:00 2001
From: liuxiaolong <736321739@qq.com>
Date: 星期四, 15 八月 2019 11:53:40 +0800
Subject: [PATCH] add gorm.DB log switch
---
agent.go | 181 +++++++++++++++++++++++++++++++++-----------
1 files changed, 135 insertions(+), 46 deletions(-)
diff --git a/agent.go b/agent.go
index a6a77cc..4d44c31 100644
--- a/agent.go
+++ b/agent.go
@@ -25,6 +25,7 @@
"io/ioutil"
"net"
"os"
+ "sync"
//"os"
"strings"
@@ -37,9 +38,10 @@
)
const (
- QueryEventGetDB = "GetDatabase"
+ QueryEventGetDB = "GetDatabase"
QueryEventUpdateDBData = "UpdateDBData"
)
+
// Agent warps the serf agent
type Agent struct {
*agent.Agent
@@ -49,10 +51,10 @@
}
type NodeInfo struct {
- ClusterID string `json:"clusterID"`
- NodeID string `json:"nodeID"`
- NodeAddress string `json:"nodeAddress"`
- IsAlive int `json:"isAlive"`
+ ClusterID string `json:"clusterID"`
+ NodeID string `json:"nodeID"`
+ NodeAddress string `json:"nodeAddress"`
+ IsAlive int `json:"isAlive"`
}
// Create create serf agent with config
@@ -64,7 +66,7 @@
}
// create serf agent with serf config
- fmt.Println("conf.Config.EncryptKey:",conf.EncryptKey)
+ fmt.Println("conf.Config.EncryptKey:", conf.EncryptKey)
serfAgent, err := agent.Create(conf.Config, serfConf, nil)
if err != nil {
return nil, err
@@ -116,19 +118,22 @@
switch ev := event.(type) {
case serf.UserEvent:
- fmt.Println(string(ev.Payload))
- var tmpstringslice []string
- tmpstringslice = append(tmpstringslice, string(ev.Payload))
- fmt.Println(tmpstringslice)
- results, err := ExecuteWriteSql(tmpstringslice)
-
- for _, result := range results {
- fmt.Println(result, "results err: ", err)
+ //fmt.Println(string(ev.Payload))
+ var sqlUe SqlUserEvent
+ err := json.Unmarshal(ev.Payload, &sqlUe)
+ if err !=nil {
+ fmt.Println("sqlUe unmarshal err:",err)
+ return
+ }
+ if sqlUe.Owner != a.conf.NodeName {
+ //results, err := ExecuteWriteSql(sqlArr)
+ flag, _ := ExecuteSqlByGorm(sqlUe.Sql)
+ fmt.Println("userEvent exec ",sqlUe.Sql,",Result:",flag)
}
case *serf.Query:
- if ev.Name == QueryEventGetDB{
+ if ev.Name == QueryEventGetDB {
//bak file and send resp
filename, err := BakDbFile()
if err != nil {
@@ -158,22 +163,33 @@
}
}
} else if ev.Name == QueryEventUpdateDBData {
- fmt.Println(string(ev.Payload))
- var tmpstringslice []string
- tmpstringslice = append(tmpstringslice, string(ev.Payload))
- fmt.Println(tmpstringslice)
- rows, err := ExecuteQuerySql(tmpstringslice)
- if err != nil {
- fmt.Println("err: ", err)
+ //fmt.Println(string(ev.Payload))
+ //var tmpstringslice []string
+ //tmpstringslice = append(tmpstringslice, string(ev.Payload))
+ //fmt.Println(tmpstringslice)
+ //rows, err := ExecuteQuerySql(tmpstringslice)
+ //if err != nil {
+ // fmt.Println("err: ", err)
+ // return
+ //}
+ //var rowsReturn []Rows
+ //for _, r := range rows {
+ // rowsReturn = append(rowsReturn, *r)
+ //}
+ var tableNames []string
+ err := json.Unmarshal(ev.Payload, &tableNames)
+ if err !=nil {
+ fmt.Println("Query tableNames unmarshal err")
return
}
- var rowsReturn []Rows
- for _,r := range rows {
- rowsReturn = append(rowsReturn, *r)
+ fmt.Println("Query tableNames:",tableNames)
+ datas, err := ExecuteQueryByGorm(tableNames)
+ if err !=nil {
+ fmt.Println("queryByGorm err")
+ return
}
-
- bytesReturn, err := json.Marshal(rowsReturn)
- fmt.Println("results: ", bytesReturn)
+ bytesReturn, err := json.Marshal(datas)
+ fmt.Println("results.len: ", len(bytesReturn))
if query, ok := event.(*serf.Query); ok {
if err := query.Respond(bytesReturn); err != nil {
fmt.Printf("err: %s\n", err)
@@ -184,7 +200,6 @@
//var res []*Rows
//json.Unmarshal(bytesReturn, &res)
}
-
default:
fmt.Printf("Unknown event type: %s\n", ev.EventType().String())
@@ -359,7 +374,7 @@
//GetDbFromCluster get the newest database after join cluster
//dbPathWrite the path where to write after got a database,
-func (a *Agent)GetDbFromCluster(dbPathWrite string) {
+func (a *Agent) GetDbFromCluster(dbPathWrite string) {
//members: get name of first member
mbs := a.GroupMembers(a.conf.ClusterID)
var specmembername string
@@ -405,10 +420,88 @@
}()
}
+//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) {
+ //members: get name of first member
+ mbs := a.GroupMembers(a.conf.ClusterID)
+ var specmembername string
+ for _, m := range mbs {
+ fmt.Println("m",m)
+ if m.Name != a.conf.NodeName {
+ specmembername = m.Name
+ break
+ }
+ }
+ fmt.Println("mbs:",mbs,"a.conf.BindAddr:",a.conf.BindAddr,"specmembername:",specmembername)
+
+ //query: get db file.
+ params := serf.QueryParam{
+ FilterNodes: strings.Fields(specmembername),
+ }
+
+ //SQL
+ tBytes, _ := json.Marshal(tableNames)
+
+ resp, err := a.Query(QueryEventUpdateDBData, tBytes, ¶ms)
+ if err == nil || !strings.Contains(err.Error(), "cannot contain") {
+ fmt.Println("err: ", err)
+ }
+ fmt.Println("Query.resp.err:",err,"resp:",resp)
+
+ var wg sync.WaitGroup
+ wg.Add(1)
+ var dumpSqls []string
+ go func() {
+ defer wg.Done()
+ respCh := resp.ResponseCh()
+ for {
+ select {
+ case r := <-respCh:
+ fmt.Println("Query response's len:", len(r.Payload))
+ err := json.Unmarshal(r.Payload, &dumpSqls)
+ if err ==nil {
+ fmt.Println("dumpSql:",dumpSqls)
+ fmt.Println("data dump success")
+ }
+ return
+ }
+ }
+ }()
+ wg.Wait()
+ return &dumpSqls,nil
+
+ //r, err = c.Query([]string{query}, false, false)
+ //if err != nil {
+ // return err
+ //}
+ //for _, x := range r[0].Values {
+ // y := fmt.Sprintf("%s;\n", x[0].(string))
+ // if _, err := w.Write([]byte(y)); err != nil {
+ // return err
+ // }
+ //}
+
+}
+
+type SqlUserEvent struct {
+ Owner string `json:"owner"`
+ Sql []string `json:"sql"`
+}
+
//SyncSql boardcast sql to cluster
-func (a *Agent)SyncSql(sqlOp string) {
+func (a *Agent) SyncSql(sqlOp []string) {
// event : use to send command to operate db.
- err := a.UserEvent("SyncSql", []byte(sqlOp), false)
+ var sqlUe = SqlUserEvent{
+ Owner: a.conf.NodeName,
+ Sql: sqlOp,
+ }
+ ueB, err := json.Marshal(sqlUe)
+ if err !=nil {
+ fmt.Println("sqlUE marshal err:",err)
+ return
+ }
+ err = a.UserEvent("SyncSql", ueB, false)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
fmt.Println("err: ", err)
}
@@ -439,10 +532,10 @@
conf.NodeName = nodeID
if password == "" {
conf.EncryptKey = DefaultEncryptKey
- }else{
+ } else {
if len(password) >= 16 {
password = password[:16]
- }else{
+ } else {
password = fmt.Sprintf("%016s", password)[:16]
//return nil, fmt.Errorf("error password")
}
@@ -460,9 +553,9 @@
agent.ShutdownCh()
}()
time.Sleep(time.Second)
- fmt.Println("Stats:",agent.Agent.Serf().Stats())
- fmt.Println("EncryptionEnabled:",agent.Agent.Serf().EncryptionEnabled())
- fmt.Printf("create agent sucess!!")
+ fmt.Println("Stats:", agent.Agent.Serf().Stats())
+ fmt.Println("EncryptionEnabled:", agent.Agent.Serf().EncryptionEnabled())
+ fmt.Println("create agent sucess!!")
return agent, nil
}
@@ -479,7 +572,7 @@
}
n, err := a.Agent.Join(nodes, true)
- if err != nil || n == 0{
+ if err != nil || n == 0 {
a.Stop()
fmt.Println("Stop node")
return fmt.Errorf("Error Encrypt Key!")
@@ -490,14 +583,14 @@
type Node struct {
clusterID string
- NodeID string
- IP string
- isAlive int //StatusNone:0, StatusAlive:1, StatusLeaving:2, StatusLeft:3, StatusFailed:4
+ NodeID string
+ IP string
+ isAlive int //StatusNone:0, StatusAlive:1, StatusLeaving:2, StatusLeft:3, StatusFailed:4
}
func (a *Agent) GetNodes() (nodes []Node) {
var node Node
- fmt.Println("a.conf.ClusterID:",a.conf.ClusterID)
+ fmt.Println("a.conf.ClusterID:", a.conf.ClusterID)
mbs := a.GroupMembers(a.conf.ClusterID)
for _, mb := range mbs {
node.NodeID = mb.Name
@@ -510,7 +603,3 @@
return nodes
}
-
-
-
-
--
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