From 2047ae9b11d66b33010c76bc2bd1db5a5458b921 Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期三, 04 九月 2019 19:44:21 +0800
Subject: [PATCH] Merge branch 'master' of ssh://192.168.1.14:29418/syncdb
---
agent.go | 122 +++++++++++++++++++++++++++++-----------
1 files changed, 87 insertions(+), 35 deletions(-)
diff --git a/agent.go b/agent.go
index 37e379e..76d79c1 100644
--- a/agent.go
+++ b/agent.go
@@ -25,6 +25,7 @@
"io/ioutil"
"net"
"os"
+ "strconv"
"sync"
//"os"
@@ -40,6 +41,8 @@
const (
QueryEventGetDB = "GetDatabase"
QueryEventUpdateDBData = "UpdateDBData"
+ UserEventSyncSql = "SyncSql"
+ UserEventSyncDbTablePersonCache = "SyncCache"
)
// Agent warps the serf agent
@@ -110,6 +113,8 @@
go a.BroadcastMemberlist(BroadcastInterval * time.Second)
}
+var SyncDbTablePersonCacheChan = make(chan []byte,0)
+
// HandleEvent Handles serf.EventMemberJoin events,
// which will wait for members to join until the number of group members is equal to "groupExpect"
// when the startup mode is "ModeCluster",
@@ -118,15 +123,22 @@
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)
+ if ev.Name == UserEventSyncSql {
+ 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)
+ }
+ } else if ev.Name == UserEventSyncDbTablePersonCache {
+ SyncDbTablePersonCacheChan <- ev.Payload
}
+
case *serf.Query:
@@ -197,6 +209,18 @@
//var res []*Rows
//json.Unmarshal(bytesReturn, &res)
}
+ case serf.MemberEvent:
+ if event.EventType() == serf.EventMemberLeave {
+ if ev.Members !=nil && len(ev.Members) ==1 {
+ leaveMember := ev.Members[0]
+ leaveSql := "delete from cluster_node where node_id='"+leaveMember.Name+"'"
+ ExecuteSqlByGorm([]string{ leaveSql })
+
+ fmt.Println("EventMemberLeave,current Members:",ev.Members)
+ }
+ return
+ }
+
default:
fmt.Printf("Unknown event type: %s\n", ev.EventType().String())
@@ -481,24 +505,46 @@
}
+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(UserEventSyncSql, ueB, false)
if err == nil || !strings.Contains(err.Error(), "cannot contain") {
fmt.Println("err: ", err)
}
}
+//鏇存柊鍚屾搴撶殑姣斿缂撳瓨
+func (a *Agent) SyncDbTablePersonCache(b []byte) {
+ err := a.UserEvent(UserEventSyncDbTablePersonCache, b, false)
+ if err !=nil{
+ fmt.Println("UserEventSyncDbTablePersonCache err:",err)
+ }
+}
+
//Init serf Init
-func Init(clusterID string, password string, nodeID string, ips []string) (*Agent, error) {
+func Init(clusterID string, password string, nodeID string, addrs []string) (*Agent, error) {
agent, err := InitNode(clusterID, password, nodeID)
if err != nil {
fmt.Printf("InitNode failed, error: %s", err)
return agent, err
}
- err = agent.JoinByNodeIP(ips)
+ err = agent.JoinByNodeAddrs(addrs)
if err != nil {
fmt.Printf("JoinByNodeIP failed, error: %s", err)
return agent, err
@@ -543,43 +589,49 @@
return agent, nil
}
-func (a *Agent) JoinByNodeIP(ips []string) error {
+func (a *Agent) JoinByNodeAddrs(addrs []string) error {
var nodes []string
- if len(ips) == 0 {
+ if len(addrs) == 0 {
return fmt.Errorf("No Nodes To Join!")
}
- for _, ip := range ips {
- node := fmt.Sprintf("%s:%d", ip, DefaultBindPort)
- nodes = append(nodes, node)
+ for _, addr := range addrs {
+ nodes = append(nodes, addr)
}
- n, err := a.Agent.Join(nodes, true)
- if err != nil || n == 0 {
- a.Stop()
- fmt.Println("Stop node")
- return fmt.Errorf("Error Encrypt Key!")
- }
+ a.Agent.Join(nodes, true)
- return err
+ return nil
}
-type Node struct {
- clusterID string
- NodeID string
- IP string
- isAlive int //StatusNone:0, StatusAlive:1, StatusLeaving:2, StatusLeft:3, StatusFailed:4
-}
+//func (a *Agent) JoinByNodeIP(ips []string) error {
+// var nodes []string
+//
+// if len(ips) == 0 {
+// return fmt.Errorf("No Nodes To Join!")
+// }
+// for _, ip := range ips {
+// node := fmt.Sprintf("%s:%d", ip, DefaultBindPort)
+// nodes = append(nodes, node)
+// }
+//
+// n, err := a.Agent.Join(nodes, true)
+// if err != nil || n == 0 {
+// return fmt.Errorf("Error Encrypt Key!")
+// }
+//
+// return err
+//}
-func (a *Agent) GetNodes() (nodes []Node) {
- var node Node
+func (a *Agent) GetNodes() (nodes []NodeInfo) {
+ var node NodeInfo
fmt.Println("a.conf.ClusterID:", a.conf.ClusterID)
mbs := a.GroupMembers(a.conf.ClusterID)
for _, mb := range mbs {
node.NodeID = mb.Name
- node.IP = mb.Addr.String()
- node.isAlive = int(mb.Status)
- node.clusterID = mb.Tags[tagKeyClusterID]
+ node.NodeAddress = mb.Addr.String() + ":" + strconv.Itoa(int(mb.Port))
+ node.IsAlive = int(mb.Status)
+ node.ClusterID = mb.Tags[tagKeyClusterID]
nodes = append(nodes, node)
}
--
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