| | |
| | | import ( |
| | | "fmt" |
| | | "github.com/gin-gonic/gin" |
| | | "net/http" |
| | | "strconv" |
| | | "strings" |
| | | "swfs/code" |
| | | "swfs/config" |
| | | "swfs/tools/es" |
| | | "swfs/tools/middleware" |
| | | "swfs/tools/script" |
| | | "swfs/util" |
| | | "sync" |
| | | "time" |
| | | ) |
| | | |
| | | const ( |
| | | StartServerScript = "seaweedfs_start.sh" |
| | | StopServerScript = "seaweedfs_stop.sh" |
| | | StartScriptAsVolume = "option=1" |
| | | StartScriptAsMaster = "option=2" |
| | | ) |
| | | |
| | | type SeaweedfsController struct{} |
| | |
| | | } |
| | | |
| | | func (sc *SeaweedfsController) UpdateSWFSServiceController(c *gin.Context) { |
| | | oldPeers := GetOldPeers(config.Server.ScriptPath, StartServerScript) |
| | | newPeers := GetNewPeers() |
| | | UpdatePeers(config.Server.ScriptPath, StartServerScript, oldPeers, newPeers) |
| | | ReplaceLineContentBySearch(StartScriptAsVolume, config.Server.ScriptPath, StartServerScript) |
| | | script.ReplaceLineContentBySearch(es.GetNewPeers(), config.Peer, config.Server.ScriptPath, config.StartServerScript) |
| | | util.ResponseFormat(c, code.Success, config.Server.EsServerIp+"更新成功") |
| | | } |
| | | |
| | | // @Security ApiKeyAuth |
| | |
| | | var body SWFSInfo |
| | | c.BindJSON(&body) |
| | | role := body.Role |
| | | nowPeers := GetNowPeersList() |
| | | if role == "master" { |
| | | AsMaster(nowPeers) |
| | | middleware.AsMaster(role) |
| | | util.ResponseFormat(c, code.AddSuccess, "加入节点成功") |
| | | return |
| | | } else if role == "volume" { |
| | | AsVolume(nowPeers) |
| | | status := middleware.AsVolume() |
| | | if status == true { |
| | | util.ResponseFormat(c, code.AddSuccess, "加入节点成功") |
| | | return |
| | | } else { |
| | | util.ResponseFormat(c, code.AddClusterInfoErr, "当前还没有主节点") |
| | | return |
| | | } |
| | | } else if role == "master+volume" { |
| | | middleware.AsMaVo(role) |
| | | util.ResponseFormat(c, code.AddSuccess, "加入节点成功") |
| | | return |
| | | } else { |
| | | util.ResponseFormat(c, code.RequestParamError, "选择节点类型错误") |
| | | return |
| | |
| | | } |
| | | |
| | | func (sc *SeaweedfsController) RoleOfVolumeToMasterController(c *gin.Context) { |
| | | AsMaster(GetNowPeersList()) |
| | | middleware.AsMaster("master+volume") |
| | | util.ResponseFormat(c, code.Success, "角色添加成功") |
| | | } |
| | | |
| | | func (sc *SeaweedfsController) RestartMasterController(c *gin.Context) { |
| | | StopServer(config.Server.ScriptPath) |
| | | func (sc *SeaweedfsController) RestartServerController(c *gin.Context) { |
| | | script.StopServer(config.Server.ScriptPath) |
| | | script.StartServer(config.Server.ScriptPath) |
| | | time.Sleep(time.Second * 1) |
| | | StartServer(config.Server.ScriptPath) |
| | | } |
| | | |
| | | //启动服务 |
| | | func StartServer(scriptPath string) { |
| | | util.RunScript("sh " + scriptPath + StartServerScript) |
| | | } |
| | | |
| | | //停止服务 |
| | | func StopServer(scriptPath string) { |
| | | util.RunScript("sh " + scriptPath + StopServerScript) |
| | | } |
| | | |
| | | //根据搜索内容替换整行内容 |
| | | func ReplaceLineContentBySearch(replaceContent string, scriptPath string, scriptFile string) { |
| | | resContent := GetNowLineContent(scriptPath+"/"+scriptFile, "option=") |
| | | replaceStr := "sed -ie 's/" + resContent + "/" + replaceContent + "/g' " + scriptPath + "/" + scriptFile |
| | | util.RunScript(replaceStr) |
| | | } |
| | | |
| | | //更新所有节点的脚本参数 |
| | | func UpdateAllNodesScriptArgument(nowPeers []interface{}) { |
| | | for _, val := range nowPeers { |
| | | ip := val.(string) |
| | | url := "http://" + ip + ":7020/node/api-v/swfs/updateSWFSService" |
| | | http.Get(url) |
| | | } |
| | | } |
| | | |
| | | //请求作为主节点操作流程 |
| | | func RequestMasterNodesOperation(nowPeers []interface{}) { |
| | | //fmt.Println("config.Server.CoreBaseUnit", config.Server.CoreBaseUnit) |
| | | coreBaseUnit, _ := strconv.Atoi(config.Server.CoreBaseUnit) |
| | | //fmt.Println("nowPeers: ", nowPeers) |
| | | //fmt.Println("coreBaseUnit: ", coreBaseUnit) |
| | | UpdateAllNodesScriptArgument(nowPeers) |
| | | RestartAllServer(nowPeers, coreBaseUnit) |
| | | } |
| | | |
| | | //重启其他节点服务并验证 |
| | | func RestartServer(ip string, timeOut int) { |
| | | url := "http://" + ip + ":7020/node/api-v/swfs/restartMaster" |
| | | http.Get(url) |
| | | tick := time.Tick(1 * time.Second) |
| | | for countdown := timeOut; countdown > 0; countdown-- { |
| | | verificationMasterUrl := "http://" + ip + ":6333" |
| | | verificationVolume1Url := "http://" + ip + ":6700" |
| | | verificationVolume2Url := "http://" + ip + ":6701" |
| | | _, masterErr := http.Get(verificationMasterUrl) |
| | | _, volume1Err := http.Get(verificationVolume1Url) |
| | | _, volume2Err := http.Get(verificationVolume2Url) |
| | | if masterErr == nil && volume1Err == nil && volume2Err == nil { |
| | | break |
| | | } |
| | | <-tick |
| | | } |
| | | } |
| | | |
| | | //构建重启流程 |
| | | func RestartAllServer(nowPeers []interface{}, coreBaseUnit int) { |
| | | coreThread := len(nowPeers)/coreBaseUnit + 1 |
| | | masterIp := make([]string, 0) |
| | | timeOut, _ := strconv.Atoi(config.Server.TimeOut) |
| | | var waitGroup sync.WaitGroup |
| | | for i, val := range nowPeers { |
| | | ip := val.(string) |
| | | if (i+1)%coreThread == 0 { |
| | | masterIp = append(masterIp, strings.Split(ip, ":")[0]) |
| | | for i := 0; i < len(masterIp); i++ { |
| | | go RestartServer(masterIp[i], timeOut) |
| | | waitGroup.Add(1) //每创建一个goroutine,就把任务队列中任务的数量+1 |
| | | } |
| | | waitGroup.Wait() //.Wait()这里会发生阻塞,直到队列中所有的任务结束就会解除阻塞 |
| | | masterIp = make([]string, 0) |
| | | } else { |
| | | masterIp = append(masterIp, strings.Split(ip, ":")[0]) |
| | | if len(nowPeers) == i+1 { |
| | | var waitGroup sync.WaitGroup |
| | | for i := 0; i < len(masterIp); i++ { |
| | | go RestartServer(masterIp[i], timeOut) |
| | | waitGroup.Add(1) //每创建一个goroutine,就把任务队列中任务的数量+1 |
| | | } |
| | | waitGroup.Wait() //.Wait()这里会发生阻塞,直到队列中所有的任务结束就会解除阻塞 |
| | | masterIp = make([]string, 0) |
| | | break |
| | | } |
| | | } |
| | | continue |
| | | } |
| | | } |
| | | |
| | | //获取本地以使用集群表单 |
| | | func GetOldPeers(scriptPath string, scriptFile string) string { |
| | | return GetNowLineContent(scriptPath+"/"+scriptFile, "peers=") |
| | | } |
| | | |
| | | //获取查找内容当前行内容 |
| | | func GetNowLineContent(filePath string, searchContent string) string { |
| | | scriptStr := "cat" + filePath + "| grep " + searchContent |
| | | return strings.Split(util.RunScript(scriptStr), "\n")[0] |
| | | } |
| | | |
| | | //作为数据节点加入 |
| | | func AsVolume(nowPeers []interface{}) { |
| | | ReplaceLineContentBySearch(StartScriptAsVolume, config.Server.ScriptPath, StartServerScript) |
| | | } |
| | | |
| | | //作为主节点加入(默认包含数据节点) |
| | | func AsMaster(nowPeers []interface{}) { |
| | | AddNewMasterToPeers() |
| | | RequestMasterNodesOperation(nowPeers) |
| | | } |
| | | |
| | | //获取当前集群列表 |
| | | func GetNowPeersList() []interface{} { |
| | | getUrl := "http://" + config.Server.EsServerIp + ":" + config.Server.EsServerPort + "/" + config.BasicFS.IndexName + "/_search" |
| | | getJson := `{ |
| | | "query": { |
| | | "bool": { |
| | | "filter": [ |
| | | { |
| | | "term": { |
| | | "application":"nodeOperation" |
| | | } |
| | | } |
| | | ] |
| | | } |
| | | }, |
| | | "size": 1 |
| | | }` |
| | | |
| | | buf, _ := util.EsReq("POST", getUrl, []byte(getJson)) |
| | | source, _ := util.Sourcelist(buf) |
| | | peers := source[0]["peers"].([]interface{}) |
| | | return peers |
| | | } |
| | | |
| | | //获取当前集群列表格式化信息 |
| | | func GetNewPeers() string { |
| | | peers := GetNowPeersList() |
| | | p := "peers=" + strings.Replace(strings.Trim(fmt.Sprint(peers), "[]"), " ", ",", -1) |
| | | return p |
| | | } |
| | | |
| | | //更新本地集群列表 |
| | | func UpdatePeers(scriptPath string, scriptFile string, oldPeers string, newPeers string) { |
| | | str := "sed -ie 's/" + oldPeers + "/" + newPeers + "/g' " + scriptPath + "/" + scriptFile |
| | | util.RunScript(str) |
| | | } |
| | | |
| | | //向集群加入新的master |
| | | func AddNewMasterToPeers() (result bool) { |
| | | peer := config.Server.EsServerIp + ":6333" |
| | | addUrl := "http://" + config.Server.EsServerIp + ":" + config.Server.EsServerPort + "/" + config.BasicFS.IndexName + "/_update_by_query" |
| | | addJson := `{ |
| | | "script": { |
| | | "lang": "painless", |
| | | "inline": "ctx._source.peers.add(params.newpeer)", |
| | | "params": { |
| | | "newpeer": "` + peer + `" |
| | | } |
| | | }, |
| | | "query": { |
| | | "bool": { |
| | | "filter": [ |
| | | { |
| | | "term": { |
| | | "application": "nodeOperation" |
| | | } |
| | | } |
| | | ] |
| | | } |
| | | } |
| | | }` |
| | | buf, _ := util.EsReq("POST", addUrl, []byte(addJson)) |
| | | updateRes, _ := util.SourceUpdated(buf) |
| | | if updateRes == -1 { |
| | | result = false |
| | | } else { |
| | | result = true |
| | | } |
| | | return result |
| | | //fmt.Println("GetLocalStartupItem: ", GetLocalStartupItem(config.Server.ScriptPath, StartServerScript)) |
| | | result := strings.Split(middleware.GetLocalStartupItem(config.Server.ScriptPath, config.StartServerScript), "=")[1] |
| | | fmt.Println("result: ", result) |
| | | util.ResponseFormat(c, code.Success, result) |
| | | } |