Esempio n. 1
0
func sendToTransfer(items []*cmodel.JsonMetaData, destUrl string) error {
	if len(items) < 1 {
		return nil
	}

	// format result
	jsonBody, err := json.Marshal(items)
	if err != nil {
		return fmt.Errorf("json.Marshal failed with %v", err)
	}

	// send by http-post
	req, err := http.NewRequest("POST", destUrl, bytes.NewBuffer(jsonBody))
	req.Header.Set("Content-Type", "application/json; charset=UTF-8")
	req.Header.Set("Connection", "close")
	clientPost := nhttpclient.GetHttpClient("collector.post", 5*time.Second, 10*time.Second)
	postResp, err := clientPost.Do(req)
	if err != nil {
		return fmt.Errorf("post to %s, resquest failed with %v", destUrl, err)
	}
	defer postResp.Body.Close()

	if postResp.StatusCode/100 != 2 {
		return fmt.Errorf("post to %s, got bad response %d", destUrl, postResp.StatusCode)
	}

	return nil
}
Esempio n. 2
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func _monitor() {
	client := nhttpclient.GetHttpClient("monitor.get", 5*time.Second, 10*time.Second)
	for _, host := range g.Config().Monitor.Cluster {
		hostInfo := strings.Split(host, ",") // "module,hostname:port/health"
		if len(hostInfo) != 2 {
			continue
		}
		//hostType := hostInfo[0]
		hostUrl := hostInfo[1]
		if !strings.Contains(hostUrl, "http://") {
			hostUrl = "http://" + hostUrl
		}

		req, _ := http.NewRequest("GET", hostUrl, nil)
		req.Header.Set("Connection", "close")
		getResp, err := client.Do(req)
		if err != nil {
			log.Printf(host+", monitor error,", err)
			onMonitorErr(host)
			continue
		}
		defer getResp.Body.Close()

		body, err := ioutil.ReadAll(getResp.Body)                        // body=['o','k',...]
		if !(err == nil && len(body) >= 2 && string(body[:2]) == "ok") { // err
			log.Println(host, ", error,", err)
			onMonitorErr(host)
		} else { // get "ok"
			onMonitorOk(host)
		}
	}
}
Esempio n. 3
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func sendMail(mailUrl string, content string) error {
	client := nhttpclient.GetHttpClient("monitor.mail", 5*time.Second, 10*time.Second)
	// send by http-post
	req, err := http.NewRequest("POST", mailUrl, bytes.NewBufferString(content))
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8")
	req.Header.Set("Connection", "close")
	postResp, err := client.Do(req)
	if err != nil {
		return err
	}
	defer postResp.Body.Close()

	if postResp.StatusCode/100 != 2 {
		return fmt.Errorf("Http-Post Error, Code %d", postResp.StatusCode)
	}
	return nil
}
Esempio n. 4
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func sendItemsToTransfer(items []*cmodel.JsonMetaData, size int, httpcliname string,
	connT, reqT time.Duration) (cnt int, errt error) {
	if size < 1 {
		return
	}

	cfg := g.Config()
	transUlr := fmt.Sprintf("http://%s/api/push", cfg.Sender.TransferAddr)
	hcli := thttpclient.GetHttpClient(httpcliname, connT, reqT)

	// form request args
	itemsBody, err := json.Marshal(items)
	if err != nil {
		log.Println(transUlr+", format body error,", err)
		errt = err
		return
	}

	// fetch items
	req, err := http.NewRequest("POST", transUlr, bytes.NewBuffer(itemsBody))
	req.Header.Set("Content-Type", "application/json; charset=UTF-8")
	req.Header.Set("Connection", "close")
	postResp, err := hcli.Do(req)
	if err != nil {
		log.Println(transUlr+", post to dest error,", err)
		errt = err
		return
	}
	defer postResp.Body.Close()

	if postResp.StatusCode/100 != 2 {
		log.Println(transUlr+", post to dest, bad response,", postResp.Body)
		errt = fmt.Errorf("request failed, %s", postResp.Body)
		return
	}

	return size, nil
}
Esempio n. 5
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func updateIndexOfOneGraph(hostNamePort string) error {
	if hostNamePort == "" {
		return fmt.Errorf("index update error, bad host")
	}

	client := nhttpclient.GetHttpClient("index.update."+hostNamePort, 5*time.Second, 10*time.Second)

	destUrl := fmt.Sprintf(destUrlFmt, hostNamePort)
	req, _ := http.NewRequest("GET", destUrl, nil)
	req.Header.Set("Connection", "close")
	getResp, err := client.Do(req)
	if err != nil {
		log.Printf(hostNamePort+", index update error,", err)
		return err
	}
	defer getResp.Body.Close()

	body, err := ioutil.ReadAll(getResp.Body)
	if err != nil {
		log.Println(hostNamePort+", index update error,", err)
		return err
	}

	var data Dto
	err = json.Unmarshal(body, &data)
	if err != nil {
		log.Println(hostNamePort+", index update error,", err)
		return err
	}

	if data.Data != "ok" {
		log.Println(hostNamePort+", index update error, bad result,", data.Data)
		return err
	}

	return nil
}
Esempio n. 6
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func updateAllIndex() {
	client := nhttpclient.GetHttpClient("index.updateall", 5*time.Second, 10*time.Second)
	for _, hostNamePort := range g.Config().Index.Cluster {
		if hostNamePort == "" {
			continue
		}

		destUrl := fmt.Sprintf(destUrlFmt, hostNamePort)
		req, _ := http.NewRequest("GET", destUrl, nil)
		req.Header.Set("Connection", "close")
		getResp, err := client.Do(req)
		if err != nil {
			log.Printf(hostNamePort+", index update all error,", err)
			continue
		}
		defer getResp.Body.Close()

		body, err := ioutil.ReadAll(getResp.Body)
		if err != nil {
			log.Println(hostNamePort+", index update all error,", err)
			continue
		}

		var data Dto
		err = json.Unmarshal(body, &data)
		if err != nil {
			log.Println(hostNamePort+", index update all error,", err)
			continue
		}

		if data.Data != "ok" {
			log.Println(hostNamePort+", index update all error, bad result,", data.Data)
			continue
		}
	}
}
Esempio n. 7
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func fetchRawItems() (values []float64) {
	cfg := g.Config()
	queryUlr := fmt.Sprintf("http://%s/graph/history", cfg.Query.QueryAddr)
	hcli := thttpclient.GetHttpClient("nodata.gauss",
		time.Millisecond*time.Duration(cfg.Query.ConnectTimeout),
		time.Millisecond*time.Duration(cfg.Query.RequestTimeout))

	// form request args
	nowTs := time.Now().Unix()
	endTs := nowTs - nowTs%1200
	startTs := endTs - 24*3600*5 //用5天的数据,做高斯拟合
	hostname, _ := os.Hostname()
	if len(cfg.Sender.Block.Hostname) > 0 {
		hostname = cfg.Sender.Block.Hostname
	}
	fcounter := "FloodRate/module=nodata,pdl=falcon,port=6090,type=statistics"
	if len(cfg.Sender.Block.FloodCounter) > 0 {
		fcounter = cfg.Sender.Block.FloodCounter
	}
	endpointCounters := make([]cmodel.GraphInfoParam, 0)
	endpointCounters = append(endpointCounters, cmodel.GraphInfoParam{Endpoint: hostname, Counter: fcounter})
	args := GraphHistoryParam{Start: startTs, End: endTs, CF: "AVERAGE", EndpointCounters: endpointCounters}

	argsBody, err := json.Marshal(args)
	if err != nil {
		log.Println(queryUlr+", format body error,", err)
		return
	}

	// fetch items
	req, err := http.NewRequest("POST", queryUlr, bytes.NewBuffer(argsBody))
	req.Header.Set("Content-Type", "application/json; charset=UTF-8")
	req.Header.Set("Connection", "close")
	postResp, err := hcli.Do(req)
	if err != nil {
		log.Println(queryUlr+", post to dest error,", err)
		return
	}
	defer postResp.Body.Close()

	if postResp.StatusCode/100 != 2 {
		log.Println(queryUlr+", post to dest, bad response,", postResp.Body)
		return
	}

	body, err := ioutil.ReadAll(postResp.Body)
	if err != nil {
		log.Println(queryUlr+", read response error,", err)
		return
	}

	resp := make([]*cmodel.GraphQueryResponse, 0)
	err = json.Unmarshal(body, &resp)
	if err != nil {
		log.Println(queryUlr+", unmarshal error,", err)
		return
	}
	if len(resp) != 1 || resp[0] == nil {
		return
	}

	// store items
	values = make([]float64, 0)
	for _, glr := range resp[0].Values {
		if glr == nil || math.IsNaN(float64(glr.Value)) {
			continue
		}
		values = append(values, float64(glr.Value))
	}

	return values
}
Esempio n. 8
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func _collect() {
	clientGet := nhttpclient.GetHttpClient("collector.get", 10*time.Second, 20*time.Second)
	tags := "type=statistics,pdl=falcon"
	for _, host := range g.Config().Collector.Cluster {
		ts := time.Now().Unix()
		jsonList := make([]*cmodel.JsonMetaData, 0)

		// get statistics by http-get
		hostInfo := strings.Split(host, ",") // "module,hostname:port"
		if len(hostInfo) != 2 {
			continue
		}
		hostModule := hostInfo[0]
		hostNamePort := hostInfo[1]

		hostNamePortList := strings.Split(hostNamePort, ":")
		if len(hostNamePortList) != 2 {
			continue
		}
		hostName := hostNamePortList[0]
		hostPort := hostNamePortList[1]

		myTags := tags + ",module=" + hostModule + ",port=" + hostPort
		srcUrl := fmt.Sprintf(srcUrlFmt, hostNamePort)
		reqGet, _ := http.NewRequest("GET", srcUrl, nil)
		reqGet.Header.Set("Connection", "close")
		getResp, err := clientGet.Do(reqGet)
		if err != nil {
			log.Printf(hostNamePort+", get statistics error,", err)
			continue
		}
		defer getResp.Body.Close()

		body, err := ioutil.ReadAll(getResp.Body)
		if err != nil {
			log.Println(hostNamePort+", get statistics error,", err)
			continue
		}

		var data Dto
		err = json.Unmarshal(body, &data)
		if err != nil {
			log.Println(hostNamePort+", get statistics error,", err)
			continue
		}

		for _, item := range data.Data {
			if item["Name"] == nil {
				continue
			}
			itemName := item["Name"].(string)

			if item["Cnt"] != nil {
				var jmdCnt cmodel.JsonMetaData
				jmdCnt.Endpoint = hostName
				jmdCnt.Metric = itemName
				jmdCnt.Timestamp = ts
				jmdCnt.Step = 60
				jmdCnt.Value = int64(item["Cnt"].(float64))
				jmdCnt.CounterType = "GAUGE"
				jmdCnt.Tags = myTags
				jsonList = append(jsonList, &jmdCnt)
			}

			if item["Qps"] != nil {
				var jmdQps cmodel.JsonMetaData
				jmdQps.Endpoint = hostName
				jmdQps.Metric = itemName + ".Qps"
				jmdQps.Timestamp = ts
				jmdQps.Step = 60
				jmdQps.Value = int64(item["Qps"].(float64))
				jmdQps.CounterType = "GAUGE"
				jmdQps.Tags = myTags
				jsonList = append(jsonList, &jmdQps)
			}
		}

		// format result
		err = sendToTransfer(jsonList, destUrl)
		if err != nil {
			log.Println(hostNamePort, "send to transfer error,", err.Error())
		}
	}

	// collector.alive
	_collectorAlive()
}
Esempio n. 9
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func _collect() {
	clientGet := nhttpclient.GetHttpClient("collector.get", 10*time.Second, 20*time.Second)
	clientPost := nhttpclient.GetHttpClient("collector.post", 5*time.Second, 10*time.Second)

	tags := "type=statistics,pdl=falcon"

	for _, host := range g.Config().Collector.Cluster {
		ts := time.Now().Unix()
		jsonList := make([]model.MetricValue, 0)

		// get statistics by http-get
		hostInfo := strings.Split(host, ",") // "module,hostname:port"
		if len(hostInfo) != 2 {
			continue
		}
		hostModule := hostInfo[0]
		hostNamePort := hostInfo[1]

		hostNamePortList := strings.Split(hostNamePort, ":")
		if len(hostNamePortList) != 2 {
			continue
		}
		hostName := hostNamePortList[0]
		hostPort := hostNamePortList[1]

		myTags := tags + ",module=" + hostModule + ",port=" + hostPort
		srcUrl := fmt.Sprintf(srcUrlFmt, hostNamePort)
		reqGet, _ := http.NewRequest("GET", srcUrl, nil)
		reqGet.Header.Set("Connection", "close")
		getResp, err := clientGet.Do(reqGet)
		if err != nil {
			log.Printf(hostNamePort+", get statistics error,", err)
			continue
		}
		defer getResp.Body.Close()

		body, err := ioutil.ReadAll(getResp.Body)
		if err != nil {
			log.Println(hostNamePort+", get statistics error,", err)
			continue
		}

		var data Dto
		err = json.Unmarshal(body, &data)
		if err != nil {
			log.Println(hostNamePort+", get statistics error,", err)
			continue
		}

		for _, item := range data.Data {
			if item["Name"] == nil {
				continue
			}
			itemName := item["Name"].(string)

			if item["Cnt"] != nil {
				var jmdCnt model.MetricValue
				jmdCnt.Endpoint = hostName
				jmdCnt.Metric = itemName
				jmdCnt.Timestamp = ts
				jmdCnt.Step = 60
				jmdCnt.Value = int64(item["Cnt"].(float64))
				jmdCnt.Type = "GAUGE"
				jmdCnt.Tags = myTags
				jsonList = append(jsonList, jmdCnt)
			}

			if item["Qps"] != nil {
				var jmdQps model.MetricValue
				jmdQps.Endpoint = hostName
				jmdQps.Metric = itemName + ".Qps"
				jmdQps.Timestamp = ts
				jmdQps.Step = 60
				jmdQps.Value = int64(item["Qps"].(float64))
				jmdQps.Type = "GAUGE"
				jmdQps.Tags = myTags
				jsonList = append(jsonList, jmdQps)
			}
		}

		if len(jsonList) < 1 { //没取到数据
			log.Println("get null from ", hostNamePort)
			continue
		}

		// format result
		jsonBody, err := json.Marshal(jsonList)
		if err != nil {
			log.Println(hostNamePort+", format body error,", err)
			continue
		}

		// send by http-post
		req, err := http.NewRequest("POST", destUrl, bytes.NewBuffer(jsonBody))
		req.Header.Set("Content-Type", "application/json; charset=UTF-8")
		req.Header.Set("Connection", "close")
		postResp, err := clientPost.Do(req)
		if err != nil {
			log.Println(hostNamePort+", post to dest error,", err)
			continue
		}
		defer postResp.Body.Close()

		if postResp.StatusCode/100 != 2 {
			log.Println(hostNamePort+", post to dest, bad response,", postResp.StatusCode)
		}
	}
}
Esempio n. 10
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func fetchItemsAndStore(fetchKeys []string, fetchSize int) (size int, errt error) {
	if fetchSize < 1 {
		return
	}

	cfg := g.Config()
	queryUlr := fmt.Sprintf("http://%s/graph/last", cfg.Query.QueryAddr)
	hcli := thttpclient.GetHttpClient("nodata.collector",
		time.Millisecond*time.Duration(cfg.Query.ConnectTimeout),
		time.Millisecond*time.Duration(cfg.Query.RequestTimeout))

	// form request args
	args := make([]*cmodel.GraphLastParam, 0)
	for _, key := range fetchKeys {
		ndcfg, found := config.GetNdConfig(key)
		if !found {
			continue
		}

		endpoint := ndcfg.Endpoint
		counter := cutils.Counter(ndcfg.Metric, ndcfg.Tags)
		arg := &cmodel.GraphLastParam{endpoint, counter}
		args = append(args, arg)
	}
	if len(args) < 1 {
		return
	}
	argsBody, err := json.Marshal(args)
	if err != nil {
		log.Println(queryUlr+", format body error,", err)
		errt = err
		return
	}

	// fetch items
	req, err := http.NewRequest("POST", queryUlr, bytes.NewBuffer(argsBody))
	req.Header.Set("Content-Type", "application/json; charset=UTF-8")
	req.Header.Set("Connection", "close")
	postResp, err := hcli.Do(req)
	if err != nil {
		log.Println(queryUlr+", post to dest error,", err)
		errt = err
		return
	}
	defer postResp.Body.Close()

	if postResp.StatusCode/100 != 2 {
		log.Println(queryUlr+", post to dest, bad response,", postResp.Body)
		errt = fmt.Errorf("request failed, %s", postResp.Body)
		return
	}

	body, err := ioutil.ReadAll(postResp.Body)
	if err != nil {
		log.Println(queryUlr+", read response error,", err)
		errt = err
		return
	}

	resp := []*cmodel.GraphLastResp{}
	err = json.Unmarshal(body, &resp)
	if err != nil {
		log.Println(queryUlr+", unmarshal error,", err)
		errt = err
		return
	}

	// store items
	fts := time.Now().Unix()
	for _, glr := range resp {
		//log.Printf("collect:%v\n", glr)
		if glr == nil || glr.Value == nil {
			continue
		}
		AddItem(cutils.PK2(glr.Endpoint, glr.Counter), NewDataItem(glr.Value.Timestamp, float64(glr.Value.Value), "OK", fts))
	}

	return len(resp), nil
}