How to use Start method of influxdb Package

Best K6 code snippet using influxdb.Start

query.go

Source:query.go

...27			if len(items) > 1 && len(items[1]) > 0 {28				tags = strings.Split(items[1], ",")29			}30			influxdbQuery := QueryData{31				Start:     input.Start,32				End:       input.End,33				Metric:    metric,34				Endpoints: input.Endpoints,35				Tags:      tags,36				Step:      input.Step,37				DsType:    input.DsType,38			}39			influxdbQuery.renderSelect()40			influxdbQuery.renderEndpoints()41			influxdbQuery.renderTags()42			influxdbQuery.renderTimeRange()43			logger.Debugf("query influxql %s", influxdbQuery.RawQuery)44			query := client.NewQuery(influxdbQuery.RawQuery, c.Database, c.Precision)45			if response, err := c.Client.Query(query); err == nil && response.Error() == nil {46				for _, result := range response.Results {47					for _, series := range result.Series {48						// fixme : influx client get series.Tags is nil49						endpoint := series.Tags["endpoint"]50						delete(series.Tags, endpoint)51						counter, err := dataobj.GetCounter(series.Name, "", series.Tags)52						if err != nil {53							logger.Warningf("get counter error: %+v", err)54							continue55						}56						values := convertValues(series)57						resp := &dataobj.TsdbQueryResponse{58							Start:    influxdbQuery.Start,59							End:      influxdbQuery.End,60							Endpoint: endpoint,61							Counter:  counter,62							DsType:   influxdbQuery.DsType,63							Step:     influxdbQuery.Step,64							Values:   values,65						}66						queryResponse = append(queryResponse, resp)67					}68				}69			}70		}71	}72	return queryResponse73}74// todo : æ¯æ comparison75// select value from metric where ...76func (influxdb *InfluxdbDataSource) QueryDataForUI(input dataobj.QueryDataForUI) []*dataobj.TsdbQueryResponse {77	logger.Debugf("query data for ui, input: %+v", input)78	c, err := NewInfluxdbClient(influxdb.Section)79	defer c.Client.Close()80	if err != nil {81		logger.Errorf("init influxdb client fail: %v", err)82		return nil83	}84	influxdbQuery := QueryData{85		Start:     input.Start,86		End:       input.End,87		Metric:    input.Metric,88		Endpoints: input.Endpoints,89		Tags:      input.Tags,90		Step:      input.Step,91		DsType:    input.DsType,92		GroupKey:  input.GroupKey,93		AggrFunc:  input.AggrFunc,94	}95	influxdbQuery.renderSelect()96	influxdbQuery.renderEndpoints()97	influxdbQuery.renderTags()98	influxdbQuery.renderTimeRange()99	influxdbQuery.renderGroupBy()100	logger.Debugf("query influxql %s", influxdbQuery.RawQuery)101	queryResponse := make([]*dataobj.TsdbQueryResponse, 0)102	query := client.NewQuery(influxdbQuery.RawQuery, c.Database, c.Precision)103	if response, err := c.Client.Query(query); err == nil && response.Error() == nil {104		for _, result := range response.Results {105			for _, series := range result.Series {106				// fixme : influx client get series.Tags is nil107				endpoint := series.Tags["endpoint"]108				delete(series.Tags, endpoint)109				counter, err := dataobj.GetCounter(series.Name, "", series.Tags)110				if err != nil {111					logger.Warningf("get counter error: %+v", err)112					continue113				}114				values := convertValues(series)115				resp := &dataobj.TsdbQueryResponse{116					Start:    influxdbQuery.Start,117					End:      influxdbQuery.End,118					Endpoint: endpoint,119					Counter:  counter,120					DsType:   influxdbQuery.DsType,121					Step:     influxdbQuery.Step,122					Values:   values,123				}124				queryResponse = append(queryResponse, resp)125			}126		}127	}128	return queryResponse129}130// show measurements on n9e131func (influxdb *InfluxdbDataSource) QueryMetrics(recv dataobj.EndpointsRecv) *dataobj.MetricResp {132	logger.Debugf("query metric, recv: %+v", recv)133	c, err := NewInfluxdbClient(influxdb.Section)134	defer c.Client.Close()135	if err != nil {136		logger.Errorf("init influxdb client fail: %v", err)137		return nil138	}139	influxql := fmt.Sprintf("SHOW MEASUREMENTS ON \"%s\"", influxdb.Section.Database)140	query := client.NewQuery(influxql, c.Database, c.Precision)141	if response, err := c.Client.Query(query); err == nil && response.Error() == nil {142		resp := &dataobj.MetricResp{143			Metrics: make([]string, 0),144		}145		for _, result := range response.Results {146			for _, series := range result.Series {147				for _, valuePair := range series.Values {148					metric := valuePair[0].(string)149					resp.Metrics = append(resp.Metrics, metric)150				}151			}152		}153		return resp154	}155	return nil156}157// show tag keys / values from metric ...158func (influxdb *InfluxdbDataSource) QueryTagPairs(recv dataobj.EndpointMetricRecv) []dataobj.IndexTagkvResp {159	logger.Debugf("query tag pairs, recv: %+v", recv)160	c, err := NewInfluxdbClient(influxdb.Section)161	defer c.Client.Close()162	if err != nil {163		logger.Errorf("init influxdb client fail: %v", err)164		return nil165	}166	resp := make([]dataobj.IndexTagkvResp, 0)167	for _, metric := range recv.Metrics {168		tagkvResp := dataobj.IndexTagkvResp{169			Endpoints: recv.Endpoints,170			Metric:    metric,171			Tagkv:     make([]*dataobj.TagPair, 0),172		}173		// show tag keys174		keys := showTagKeys(c, metric, influxdb.Section.Database)175		if len(keys) > 0 {176			// show tag values177			tagkvResp.Tagkv = showTagValues(c, keys, metric, influxdb.Section.Database)178		}179		resp = append(resp, tagkvResp)180	}181	return resp182}183// show tag keys on n9e from metric where ...184// (exclude default endpoint tag)185func showTagKeys(c *InfluxClient, metric, database string) []string {186	keys := make([]string, 0)187	influxql := fmt.Sprintf("SHOW TAG KEYS ON \"%s\" FROM \"%s\"", database, metric)188	query := client.NewQuery(influxql, c.Database, c.Precision)189	if response, err := c.Client.Query(query); err == nil && response.Error() == nil {190		for _, result := range response.Results {191			for _, series := range result.Series {192				for _, valuePair := range series.Values {193					tagKey := valuePair[0].(string)194					// å»æé»è®¤tag endpoint195					if tagKey != "endpoint" {196						keys = append(keys, tagKey)197					}198				}199			}200		}201	}202	return keys203}204// show tag values on n9e from metric where ...205func showTagValues(c *InfluxClient, keys []string, metric, database string) []*dataobj.TagPair {206	tagkv := make([]*dataobj.TagPair, 0)207	influxql := fmt.Sprintf("SHOW TAG VALUES ON \"%s\" FROM \"%s\" WITH KEY in (\"%s\")",208		database,209		metric, strings.Join(keys, "\",\""))210	query := client.NewQuery(influxql, c.Database, c.Precision)211	if response, err := c.Client.Query(query); err == nil && response.Error() == nil {212		tagPairs := make(map[string]*dataobj.TagPair)213		for _, result := range response.Results {214			for _, series := range result.Series {215				for _, valuePair := range series.Values {216					tagKey := valuePair[0].(string)217					tagValue := valuePair[1].(string)218					if pair, exist := tagPairs[tagKey]; exist {219						pair.Values = append(pair.Values, tagValue)220					} else {221						pair := &dataobj.TagPair{222							Key:    tagKey,223							Values: []string{tagValue},224						}225						tagPairs[pair.Key] = pair226						tagkv = append(tagkv, pair)227					}228				}229			}230		}231	}232	return tagkv233}234// show series from metric where ...235func (influxdb *InfluxdbDataSource) QueryIndexByClude(recvs []dataobj.CludeRecv) []dataobj.XcludeResp {236	logger.Debugf("query IndexByClude , recv: %+v", recvs)237	c, err := NewInfluxdbClient(influxdb.Section)238	defer c.Client.Close()239	if err != nil {240		logger.Errorf("init influxdb client fail: %v", err)241		return nil242	}243	resp := make([]dataobj.XcludeResp, 0)244	for _, recv := range recvs {245		xcludeResp := dataobj.XcludeResp{246			Endpoints: recv.Endpoints,247			Metric:    recv.Metric,248			Tags:      make([]string, 0),249			Step:      -1, // fixme250			DsType:    "GAUGE",251		}252		if len(recv.Endpoints) == 0 {253			resp = append(resp, xcludeResp)254			continue255		}256		showSeries := ShowSeries{257			Database:  influxdb.Section.Database,258			Metric:    recv.Metric,259			Endpoints: recv.Endpoints,260			Start:     time.Now().AddDate(0, 0, -30).Unix(),261			End:       time.Now().Unix(),262			Include:   recv.Include,263			Exclude:   recv.Exclude,264		}265		showSeries.renderShow()266		showSeries.renderEndpoints()267		showSeries.renderInclude()268		showSeries.renderExclude()269		query := client.NewQuery(showSeries.RawQuery, c.Database, c.Precision)270		if response, err := c.Client.Query(query); err == nil && response.Error() == nil {271			for _, result := range response.Results {272				for _, series := range result.Series {273					for _, valuePair := range series.Values {274						// proc.port.listen,endpoint=localhost,port=22,service=sshd275						tagKey := valuePair[0].(string)276						// process277						items := strings.Split(tagKey, ",")278						newItems := make([]string, 0)279						for _, item := range items {280							if item != recv.Metric && !strings.Contains(item, "endpoint") {281								newItems = append(newItems, item)282							}283						}284						if len(newItems) > 0 {285							if tags, err := dataobj.SplitTagsString(strings.Join(newItems, ",")); err == nil {286								xcludeResp.Tags = append(xcludeResp.Tags, dataobj.SortedTags(tags))287							}288						}289					}290				}291			}292		}293		resp = append(resp, xcludeResp)294	}295	return resp296}297// show series from metric where ...298func (influxdb *InfluxdbDataSource) QueryIndexByFullTags(recvs []dataobj.IndexByFullTagsRecv) []dataobj.299	IndexByFullTagsResp {300	logger.Debugf("query IndexByFullTags , recv: %+v", recvs)301	c, err := NewInfluxdbClient(influxdb.Section)302	defer c.Client.Close()303	if err != nil {304		logger.Errorf("init influxdb client fail: %v", err)305		return nil306	}307	resp := make([]dataobj.IndexByFullTagsResp, 0)308	for _, recv := range recvs {309		fullTagResp := dataobj.IndexByFullTagsResp{310			Endpoints: recv.Endpoints,311			Metric:    recv.Metric,312			Tags:      make([]string, 0),313			Step:      -1, // FIXME314			DsType:    "GAUGE",315		}316		// å¼å®¹å¤èºé»è¾ï¼ä¸éæ©endpointåè¿åç©º317		if len(recv.Endpoints) == 0 {318			resp = append(resp, fullTagResp)319			continue320		}321		// build influxql322		influxdbShow := ShowSeries{323			Database:  influxdb.Section.Database,324			Metric:    recv.Metric,325			Endpoints: recv.Endpoints,326			Start:     time.Now().AddDate(0, 0, -30).Unix(),327			End:       time.Now().Unix(),328		}329		influxdbShow.renderShow()330		influxdbShow.renderEndpoints()331		influxdbShow.renderTimeRange()332		// do query333		query := client.NewQuery(influxdbShow.RawQuery, c.Database, c.Precision)334		if response, err := c.Client.Query(query); err == nil && response.Error() == nil {335			for _, result := range response.Results {336				for _, series := range result.Series {337					for _, valuePair := range series.Values {338						// proc.port.listen,endpoint=localhost,port=22,service=sshd339						tagKey := valuePair[0].(string)340						// process...

e2e_large_test.go

Source:e2e_large_test.go

...42	sendCount     = 1043)44func TestEndToEnd(t *testing.T) {45	stats.SetHostname("h")46	// Start gnatsd.47	gnatsd := spouttest.RunGnatsd(natsPort)48	defer gnatsd.Shutdown()49	// Start influxd & set up test database.50	influxd := spouttest.RunFakeInfluxd(influxdPort)51	defer influxd.Stop()52	// Use a fake filesystem (for config files).53	config.Fs = afero.NewMemMapFs()54	// Start spout components.55	listener := startListener(t)56	defer listener.Stop()57	httpListener := startHTTPListener(t)58	defer httpListener.Stop()59	filter := startFilter(t)60	defer filter.Stop()61	downsampler := startDownsampler(t)62	defer downsampler.Stop()63	writer := startWriter(t)64	defer writer.Stop()65	archiveWriter := startArchiveWriter(t)66	defer archiveWriter.Stop()67	monitor := startMonitor(t)68	defer monitor.Stop()69	// Connect to the listener.70	addr := net.JoinHostPort("localhost", strconv.Itoa(listenerPort))71	conn, err := net.Dial("udp", addr)72	require.NoError(t, err)73	defer conn.Close()74	// Do 5 UDP metric sends each containing 2 lines.75	for i := 0; i < sendCount/2; i++ {76		_, err := conn.Write(makeTestLines().Bytes())77		require.NoError(t, err)78		// Generous sleep between sends to avoid UDP drops.79		time.Sleep(100 * time.Millisecond)80	}81	// Do 5 HTTP metric sends, the same as the UDP sends above.82	url := fmt.Sprintf("http://localhost:%d/write", httpListenerPort)83	for i := 0; i < sendCount/2; i++ {84		_, err := http.Post(url, "text/plain", makeTestLines())85		require.NoError(t, err)86	}87	// Check "databases".88	checkDatabase(t, influxd, dbName, sendCount, isCPULine)89	checkDatabase(t, influxd, archiveDBName, 1, isLikeCPULine)90	assert.Equal(t, 2, influxd.DatabaseCount()) // primary + archive91	// Check metrics published by monitor component.92	expectedMetrics := regexp.MustCompile(`93failed_nats_publish{component="downsampler",host="h",name="downsampler"} 094failed_nats_publish{component="filter",host="h",name="filter"} 095failed_nats_publish{component="listener",host="h",name="listener"} 096failed_writes{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test",influxdb_port="44601",name="writer"} 097failed_writes{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test-archive",influxdb_port="44601",name="archive-writer"} 098invalid_lines{component="downsampler",host="h",name="downsampler"} 099invalid_timestamps{component="downsampler",host="h",name="downsampler"} 0100invalid_time{component="filter",host="h",name="filter"} 0101nats_dropped{component="downsampler",host="h",name="downsampler",subject="system"} 0102nats_dropped{component="filter",host="h",name="filter"} 0103nats_dropped{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test",influxdb_port="44601",name="writer",subject="system"} 0104nats_dropped{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test-archive",influxdb_port="44601",name="archive-writer",subject="system-archive"} 0105passed{component="filter",host="h",name="filter"} 10106processed{component="filter",host="h",name="filter"} 20107read_errors{component="listener",host="h",name="listener"} 0108received{component="downsampler",host="h",name="downsampler"} 2109received{component="listener",host="h",name="listener"} 5110received{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test",influxdb_port="44601",name="writer"} 2111received{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test-archive",influxdb_port="44601",name="archive-writer"} 1112rejected{component="filter",host="h",name="filter"} 10113sent{component="downsampler",host="h",name="downsampler"} 1114sent{component="listener",host="h",name="listener"} 1115triggered{component="filter",host="h",name="filter",rule="system"} 10116write_requests{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test",influxdb_port="44601",name="writer"} 2117write_requests{component="writer",host="h",influxdb_address="localhost",influxdb_dbname="test-archive",influxdb_port="44601",name="archive-writer"} 1118$`[1:])119	var lines string120	for try := 0; try < 20; try++ {121		resp, err := http.Get(fmt.Sprintf("http://localhost:%d/metrics", monitorPort))122		require.NoError(t, err)123		raw, err := ioutil.ReadAll(resp.Body)124		require.NoError(t, err)125		lines = spouttest.StripTimestamps(t, string(raw))126		if expectedMetrics.MatchString(lines) {127			return128		}129		time.Sleep(500 * time.Millisecond)130	}131	t.Fatalf("Failed to see expected metrics. Last saw:\n%s", lines)132}133const cpuLineHeader = "cpu,cls=server,env=prod "134const cpuLine = cpuLineHeader + "user=13.33,usage_system=0.16,usage_idle=86.53"135func makeTestLines() *bytes.Buffer {136	now := time.Now().UnixNano()137	out := new(bytes.Buffer)138	// Only the 2nd line should make it through the filter.139	fmt.Fprintf(out, `140foo,env=dev bar=99 %d141%s %d142`[1:], now, cpuLine, now)143	return out144}145func startListener(t *testing.T) stoppable {146	return startComponent(t, "listener", fmt.Sprintf(`147mode = "listener"148port = %d149nats_address = "nats://localhost:%d"150batch_max_count = 5151debug = true152nats_subject_monitor = "monitor"153`, listenerPort, natsPort))154}155func startHTTPListener(t *testing.T) stoppable {156	return startComponent(t, "listener", fmt.Sprintf(`157mode = "listener_http"158port = %d159nats_address = "nats://localhost:%d"160batch_max_count = 5161debug = true162nats_subject_monitor = "monitor"163`, httpListenerPort, natsPort))164}165func startFilter(t *testing.T) stoppable {166	return startComponent(t, "filter", fmt.Sprintf(`167mode = "filter"168nats_address = "nats://localhost:%d"169debug = true170nats_subject_monitor = "monitor"171[[rule]]172type = "basic"173match = "cpu"174subject = "system"175`, natsPort))176}177func startDownsampler(t *testing.T) stoppable {178	return startComponent(t, "downsampler", fmt.Sprintf(`179mode = "downsampler"180nats_address = "nats://localhost:%d"181debug = true182nats_subject_monitor = "monitor"183nats_subject = ["system"]184downsample_period = "3s"185`, natsPort))186}187func startWriter(t *testing.T) stoppable {188	return baseStartWriter(t, "writer", "system", dbName)189}190func startArchiveWriter(t *testing.T) stoppable {191	return baseStartWriter(t, "archive-writer", "system-archive", archiveDBName)192}193func baseStartWriter(t *testing.T, name, subject, dbName string) stoppable {194	return startComponent(t, name, fmt.Sprintf(`195mode = "writer"196name = "%s"197nats_address = "nats://localhost:%d"198nats_subject = ["%s"]199influxdb_port = %d200influxdb_dbname = "%s"201batch_max_count = 1202workers = 4203debug = true204nats_subject_monitor = "monitor"205`, name, natsPort, subject, influxdPort, dbName))206}207func startMonitor(t *testing.T) stoppable {...

score.go

Source:score.go

...27	influxdbStatement := influxdb.Statement{28		Measurement: SimulatedSchedulingScore,29	}30	queryCondition := influxdb.QueryCondition{31		StartTime:      request.QueryCondition.StartTime,32		EndTime:        request.QueryCondition.EndTime,33		StepTime:       request.QueryCondition.StepTime,34		TimestampOrder: request.QueryCondition.TimestampOrder,35		Limit:          request.QueryCondition.Limit,36	}37	influxdbStatement.AppendTimeConditionIntoWhereClause(queryCondition)38	influxdbStatement.SetLimitClauseFromQueryCondition(queryCondition)39	influxdbStatement.SetOrderClauseFromQueryCondition(queryCondition)40	cmd := influxdbStatement.BuildQueryCmd()41	results, err = r.influxDB.QueryDB(cmd, string(influxdb.Score))42	if err != nil {43		return scores, errors.New("SimulatedSchedulingScoreRepository list scores failed: " + err.Error())44	}45	influxdbRows = influxdb.PackMap(results)...

Start

Using AI Code Generation

1import (2func main() {3	c, err := client.NewHTTPClient(client.HTTPConfig{4	})5	if err != nil {6		fmt.Println("Error creating InfluxDB Client: ", err.Error())7	}8	defer c.Close()9	bp, err := client.NewBatchPoints(client.BatchPointsConfig{10	})11	if err != nil {12		fmt.Println("Error creating batch points: ", err.Error())13	}14	tags := map[string]string{"cpu": "cpu-total"}15	fields := map[string]interface{}{16	}17	pt, err := client.NewPoint("cpu_usage_idle", tags, fields, time.Now())18	if err != nil {19		fmt.Println("Error: ", err.Error())20	}21	bp.AddPoint(pt)22	if err := c.Write(bp); err != nil {23		fmt.Println("Error: ", err.Error())24	}25}262019/03/07 12:30:10 write failed: {"error":"field type conflict: input field \"idle\" on measurement \"cpu_usage_idle\" is type float64, already exists as type integer"}

Start

Using AI Code Generation

1import (2func main() {3	c, err := client.NewHTTPClient(client.HTTPConfig{4	})5	if err != nil {6		fmt.Println("Error: ", err.Error())7	}8	defer c.Close()9	fmt.Println("Client Created")10	bp, err := client.NewBatchPoints(client.BatchPointsConfig{11	})12	if err != nil {13		fmt.Println("Error: ", err.Error())14	}15	fmt.Println("Batch Points Created")16	tags := map[string]string{"cpu": "cpu-total"}17	fields := map[string]interface{}{18	}19	pt, err := client.NewPoint("cpu_usage", tags, fields, time.Now())20	if err != nil {21		fmt.Println("Error: ", err.Error())22	}23	bp.AddPoint(pt)24	fmt.Println("Point Created")25	err = c.Write(bp)26	if err != nil {27		fmt.Println("Error: ", err.Error())28	}29	fmt.Println("Batch Written")30}31import (32func main() {

Start

Using AI Code Generation

1import (2func main() {3	c, err := client.NewHTTPClient(client.HTTPConfig{4	})5	if err != nil {6		fmt.Println("Error: ", err.Error())7	}8	defer c.Close()9	bp, err := client.NewBatchPoints(client.BatchPointsConfig{10	})11	if err != nil {12		fmt.Println("Error: ", err.Error())13	}14	tags := map[string]string{"cpu": "cpu-total"}15	fields := map[string]interface{}{16	}17	pt, err := client.NewPoint("cpu_usage", tags, fields, "2017-01-01T00:00:00Z")18	if err != nil {19		fmt.Println("Error: ", err.Error())20	}21	bp.AddPoint(pt)22	c.Write(bp)23}24import (25func main() {26	c, err := client.NewHTTPClient(client.HTTPConfig{27	})28	if err != nil {29		fmt.Println("Error: ", err.Error())30	}31	defer c.Close()32	bp, err := client.NewBatchPoints(client.BatchPointsConfig{33	})34	if err != nil {35		fmt.Println("Error: ", err.Error())36	}37	tags := map[string]string{"cpu": "cpu-total"}38	fields := map[string]interface{}{

Start

Using AI Code Generation

1func (influxdb *Influxdb) Start() {2	influxdb.Write()3}4func (influxdb *Influxdb) Write() {5	influxdb.Write()6}7func (influxdb *Influxdb) Write() {8	influxdb.Write()9}10func (influxdb *Influxdb) Write() {11	influxdb.Write()12}13func (influxdb *Influxdb) Write() {14	influxdb.Write()15}16func (influxdb *Influxdb) Write() {17	influxdb.Write()18}19func (influxdb *Influxdb) Write() {20	influxdb.Write()21}22func (influxdb *Influxdb) Write() {23	influxdb.Write()24}25func (influxdb *Influxdb) Write() {26	influxdb.Write()27}28func (influxdb *Influxdb) Write() {29	influxdb.Write()30}

Start

Using AI Code Generation

1func main() {2    influxdb.Start()3}4import (5func Start() {6    fmt.Println("Influxdb Start method called")7    for {8        fmt.Println("Influxdb Start method running")9        time.Sleep(3 * time.Second)10    }11}

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