// WriteTo flushes the buffered content of the metrics to the writer, in an
// Influx BatchPoints format. WriteTo abides best-effort semantics, so
// observations are lost if there is a problem with the write. Clients should be
// sure to call WriteTo regularly, ideally through the WriteLoop helper method.
func (in *Influx) WriteTo(w BatchPointsWriter) (err error) {
bp, err := influxdb.NewBatchPoints(in.conf)
if err != nil {
return err
}
now := time.Now()
in.counters.Reset().Walk(func(name string, lvs lv.LabelValues, values []float64) bool {
fields := fieldsFrom(lvs)
fields["count"] = sum(values)
var p *influxdb.Point
p, err = influxdb.NewPoint(name, in.tags, fields, now)
if err != nil {
return false
}
bp.AddPoint(p)
return true
})
if err != nil {
return err
}
in.gauges.Reset().Walk(func(name string, lvs lv.LabelValues, values []float64) bool {
fields := fieldsFrom(lvs)
fields["value"] = last(values)
var p *influxdb.Point
p, err = influxdb.NewPoint(name, in.tags, fields, now)
if err != nil {
return false
}
bp.AddPoint(p)
return true
})
if err != nil {
return err
}
in.histograms.Reset().Walk(func(name string, lvs lv.LabelValues, values []float64) bool {
fields := fieldsFrom(lvs)
ps := make([]*influxdb.Point, len(values))
for i, v := range values {
fields["value"] = v // overwrite each time
ps[i], err = influxdb.NewPoint(name, in.tags, fields, now)
if err != nil {
return false
}
}
bp.AddPoints(ps)
return true
})
if err != nil {
return err
}
return w.Write(bp)
}
func createInfluxDBMetrics(ping Ping) (influxdbclient.BatchPoints, error) {
var err error
bp, err := influxdbclient.NewBatchPoints(influxdbclient.BatchPointsConfig{
Database: receiverDatabaseFlag,
Precision: "s",
})
if err != nil {
return nil, err
}
tags := map[string]string{
"origin": ping.origin,
"destination": ping.destination,
}
fields := map[string]interface{}{
"loss": ping.stats.loss,
"min": ping.stats.min,
"avg": ping.stats.avg,
"max": ping.stats.max,
"mdev": ping.stats.mdev,
}
pt, err := influxdbclient.NewPoint("ping", tags, fields, time.Unix(ping.time, 0))
if err != nil {
return nil, err
}
bp.AddPoint(pt)
return bp, nil
}
func (t *tickData) TickHandler(ctx context.Context, tick *tickRecorder.Tick) error {
var err error
t.log.Infoln("Received data")
tags := map[string]string{"pair": "AUDUSD"}
fields := map[string]interface{}{
"bid": tick.Bid,
"ask": tick.Ask,
"last": tick.Last,
}
point, err := influx.NewPoint("tick_data", tags, fields, time.Unix(0, tick.Time))
bp, err := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: "tick",
Precision: "ns",
})
bp.AddPoint(point)
t.log.Infoln("Created batch point:", bp)
if influxErr := t.influx.Write(bp); influxErr != nil {
t.log.Error(influxErr)
}
return err
}
func syncDeliveryServiceStat(sourceClient influx.Client, targetClient influx.Client, statName string, days int) {
db := "deliveryservice_stats"
bps, _ := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: db,
Precision: "ms",
RetentionPolicy: "monthly",
})
queryString := fmt.Sprintf("select time, cachegroup, cdn, deliveryservice, value from \"monthly\".\"%s\"", statName)
if days > 0 {
queryString += fmt.Sprintf(" where time > now() - %dd", days)
}
fmt.Println("queryString ", queryString)
res, err := queryDB(sourceClient, queryString, db)
if err != nil {
errorMessage = fmt.Sprintf("An error occured getting %s records from sourceDb: %v\n", statName, err)
fmt.Println(errorMessage)
return
}
sourceStats := getDeliveryServiceStats(res)
// get value from target DB
targetRes, err := queryDB(targetClient, queryString, db)
if err != nil {
errorMessage = fmt.Sprintf("An error occured getting %s record from target db: %v\n", statName, err)
fmt.Println(errorMessage)
return
}
targetStats := getDeliveryServiceStats(targetRes)
for ssKey := range sourceStats {
ts := targetStats[ssKey]
ss := sourceStats[ssKey]
if ts.value > ss.value {
//fmt.Printf("target value %v is at least equal to source value %v\n", ts.value, ss.value)
continue //target value is bigger so leave it
}
statTime, _ := time.Parse(time.RFC3339, ss.t)
tags := map[string]string{
"cdn": ss.cdn,
"cachegroup": ss.cacheGroup,
"deliveryservice": ss.deliveryService,
}
fields := map[string]interface{}{
"value": ss.value,
}
pt, err := influx.NewPoint(
statName,
tags,
fields,
statTime,
)
if err != nil {
fmt.Printf("error adding creating point for %v...%v\n", statName, err)
continue
}
bps.AddPoint(pt)
}
targetClient.Write(bps)
}
// Perform the batch write
func (w *Writer) writeEntries(entries []Entry) {
bps, err := client.NewBatchPoints(client.BatchPointsConfig{
Database: w.DB,
RetentionPolicy: "default",
Precision: "s",
// WriteConsistency: string,
})
Checkerr(err)
for _, entry := range entries {
name := "watt" // Measurement
tags := map[string]string{ /*"ted1k",...*/ }
fields := map[string]interface{}{
"value": entry.Watt,
}
pt, err := client.NewPoint(name, tags, fields, entry.Stamp)
Checkerr(err)
bps.AddPoint(pt)
// fmt.Printf("point: %v\n", pt)
}
// TODO(daneroo): retry, if error is timeout?
err = w.con.Write(bps)
Checkerr(err)
}
// Fire adds a new InfluxDB point based off of Logrus entry
func (hook *InfluxDBHook) Fire(entry *logrus.Entry) (err error) {
// If passing a "message" field then it will be overridden by the entry Message
entry.Data["message"] = entry.Message
measurement := hook.measurement
if result, ok := getTag(entry.Data, "measurement"); ok {
measurement = result
}
tags := make(map[string]string)
// Set the level of the entry
tags["level"] = entry.Level.String()
// getAndDel and getAndDelRequest are taken from https://github.com/evalphobia/logrus_sentry
if logger, ok := getTag(entry.Data, "logger"); ok {
tags["logger"] = logger
}
for _, tag := range hook.tagList {
if tagValue, ok := getTag(entry.Data, tag); ok {
tags[tag] = tagValue
}
}
pt, err := influxdb.NewPoint(measurement, tags, entry.Data, entry.Time)
if err != nil {
return fmt.Errorf("Fire: %v", err)
}
return hook.addPoint(pt)
}
func (self *Server) influxWriter(influxClient influxdb.Client, options InfluxOptions) {
defer close(self.influxChan)
defer influxClient.Close()
for stat := range self.influxChan {
tags := map[string]string{
"id": stat.ID.String(),
"family": stat.ID.Family(),
"name": stat.SensorConfig.String(),
}
fields := map[string]interface{}{
"temperature": stat.Temperature.Float64(),
}
// write
point, err := influxdb.NewPoint("onewire", tags, fields, stat.Time)
if err != nil {
log.Printf("server.Server: influxWriter: influxdb.NewPoint: %v\n", err)
}
points, err := options.batchPoints()
if err != nil {
log.Printf("server.Server: influxWriter: newBatchPoints: %v\n", err)
continue
}
points.AddPoint(point)
if err := influxClient.Write(points); err != nil {
log.Printf("server.Server: influxWriter: influxdb.Client %v: Write %v: %v\n", influxClient, points, err)
continue
}
}
}
// Point stamps out a new influx data point and COPIES the tags, and CLEARS
// the fields for this Capture so that it can be fields with new values.
// The new data point is stamped with the current time.
func (mm *Measurement) Point() (*influx.Point, error) {
tags := mm.tags
fields := mm.fields
mm.tags = make(map[string]string)
mm.fields = make(map[string]interface{})
for k, v := range tags {
mm.tags[k] = v
}
for k, v := range fields {
mm.fields[k] = v
}
pt, err := influx.NewPoint(
mm.measurement,
mm.tags,
mm.fields,
time.Now(),
)
if err != nil {
return nil, err
} else {
return pt, nil
}
}
// InfluxDB writes interest processing time to influxDB.
//
// The data collected can be viewed with: SELECT "value" FROM :name WHERE "name" = ':interest_name'.
func InfluxDB(client influxdb.Client, db, name string, tags map[string]string) mux.Middleware {
return func(next mux.Handler) mux.Handler {
return mux.HandlerFunc(func(w ndn.Sender, i *ndn.Interest) {
before := time.Now()
next.ServeNDN(w, i)
t := make(map[string]string)
for k, v := range tags {
t[k] = v
}
t["name"] = i.Name.String()
pt, _ := influxdb.NewPoint(name, t, map[string]interface{}{
"value": float64(time.Since(before)) / float64(time.Millisecond),
}, time.Now())
bp, _ := influxdb.NewBatchPoints(influxdb.BatchPointsConfig{
Database: db,
})
bp.AddPoint(pt)
err := client.Write(bp)
if err != nil {
log.Println(err)
return
}
})
}
}
func NewBlankTestPoint() *influx.Point {
meas := "measurement"
tags := map[string]string{"fooTag": "fooTagValue"}
fields := map[string]interface{}{"value": 5920}
utc, _ := time.LoadLocation("UTC")
timestamp := time.Date(2016, time.Month(4), 20, 0, 0, 0, 0, utc)
pt, _ := influx.NewPoint(meas, tags, fields, timestamp)
return pt
}
func calcDailyBytesServed(client influx.Client, bp influx.BatchPoints, startTime time.Time, endTime time.Time, config StartupConfig) {
bytesToTerabytes := 1000000000.00
sampleTimeSecs := 60.00
bitsTobytes := 8.00
queryString := fmt.Sprintf(`select mean(value) from "monthly"."bandwidth.cdn.1min" where time > '%s' and time < '%s' group by time(1m), cdn`, startTime.Format(time.RFC3339), endTime.Format(time.RFC3339))
log.Infof("queryString = %v\n", queryString)
res, err := queryDB(client, queryString, "cache_stats")
if err != nil {
log.Error("An error occured getting max bandwidth!\n")
return
}
if res != nil && len(res[0].Series) > 0 {
for _, row := range res[0].Series {
bytesServed := float64(0)
cdn := row.Tags["cdn"]
for _, record := range row.Values {
if record[1] != nil {
value, err := record[1].(json.Number).Float64()
if err != nil {
log.Errorf("Couldn't parse value from record %v\n", record)
continue
}
bytesServed += value * sampleTimeSecs / bitsTobytes
}
}
bytesServedTB := bytesServed / bytesToTerabytes
log.Infof("TBytes served for cdn %v = %v", cdn, bytesServedTB)
//write to Traffic Ops
var statsSummary traffic_ops.StatsSummary
statsSummary.CDNName = cdn
statsSummary.DeliveryService = "all"
statsSummary.StatName = "daily_bytesserved"
statsSummary.StatValue = strconv.FormatFloat(bytesServedTB, 'f', 2, 64)
statsSummary.SummaryTime = time.Now().Format(time.RFC3339)
statsSummary.StatDate = startTime.Format("2006-01-02")
go writeSummaryStats(config, statsSummary)
//write to Influxdb
tags := map[string]string{"cdn": cdn, "deliveryservice": "all"}
fields := map[string]interface{}{
"value": bytesServedTB, //converted to TB
}
pt, err := influx.NewPoint(
"daily_bytesserved",
tags,
fields,
startTime,
)
if err != nil {
log.Errorf("error adding creating data point for max Gbps...%v\n", err)
continue
}
bp.AddPoint(pt)
}
config.BpsChan <- bp
}
}
// Returns a point representation of the report to be written to the ResultsDB
func (qr *queryReport) Point() *influx.Point {
measurement := "testDefault"
tags := map[string]string{}
fields := map[string]interface{}{"field": "blank"}
point, err := influx.NewPoint(measurement, tags, fields, time.Now())
if err != nil {
log.Fatalf("Error creating queryReport point\n measurement: %v\n tags: %v\n fields: %v\n error: %v\n", measurement, tags, fields, err)
}
return point
}
func calcDailyMaxGbps(client influx.Client, bp influx.BatchPoints, startTime time.Time, endTime time.Time, config StartupConfig) {
kilobitsToGigabits := 1000000.00
queryString := fmt.Sprintf(`select time, cdn, max(value) from "monthly"."bandwidth.cdn.1min" where time > '%s' and time < '%s' group by cdn`, startTime.Format(time.RFC3339), endTime.Format(time.RFC3339))
log.Infof("queryString = %v\n", queryString)
res, err := queryDB(client, queryString, "cache_stats")
if err != nil {
log.Errorf("An error occured getting max bandwidth! %v\n", err)
return
}
if res != nil && len(res[0].Series) > 0 {
for _, row := range res[0].Series {
for _, record := range row.Values {
t := record[0].(string)
if record[1] != nil {
cdn := record[1].(string)
value, err := record[2].(json.Number).Float64()
if err != nil {
log.Errorf("Couldn't parse value from record %v\n", record)
continue
}
value = value / kilobitsToGigabits
statTime, _ := time.Parse(time.RFC3339, t)
log.Infof("max gbps for cdn %v = %v", cdn, value)
var statsSummary traffic_ops.StatsSummary
statsSummary.CDNName = cdn
statsSummary.DeliveryService = "all"
statsSummary.StatName = "daily_maxgbps"
statsSummary.StatValue = strconv.FormatFloat(value, 'f', 2, 64)
statsSummary.SummaryTime = time.Now().Format(time.RFC3339)
statsSummary.StatDate = statTime.Format("2006-01-02")
go writeSummaryStats(config, statsSummary)
//write to influxdb
tags := map[string]string{"cdn": cdn, "deliveryservice": "all"}
fields := map[string]interface{}{
"value": value,
}
pt, err := influx.NewPoint(
"daily_maxgbps",
tags,
fields,
statTime,
)
if err != nil {
fmt.Printf("error adding creating data point for max Gbps...%v\n", err)
continue
}
bp.AddPoint(pt)
}
}
}
}
config.BpsChan <- bp
}
func (g *gauge) createPoint() {
tags := map[string]string{}
for _, tag := range g.tags {
tags[tag.Key] = tag.Value
}
fields := map[string]interface{}{}
for _, field := range g.fields {
fields[field.Key] = field.Value
}
fields["value"] = g.value
pt, _ := stdinflux.NewPoint(g.key, tags, fields, time.Now())
g.bp.AddPoint(pt)
}
func blankResponse() stressClient.Response {
// Points must have at least one field
fields := map[string]interface{}{"done": true}
// Make a 'blank' point
p, err := influx.NewPoint("done", make(map[string]string), fields, time.Now())
// Panic on error
if err != nil {
log.Fatalf("Error creating blank response point\n error: %v\n", err)
}
// Add a tracer to prevent program from returning too early
tracer := stressClient.NewTracer(make(map[string]string))
// Add to the WaitGroup
tracer.Add(1)
// Make a new response with the point and the tracer
resp := stressClient.NewResponse(p, tracer)
return resp
}
func (c *counter) Add(delta uint64) {
c.value = c.value + delta
tags := map[string]string{}
for _, tag := range c.tags {
tags[tag.Key] = tag.Value
}
fields := map[string]interface{}{}
for _, field := range c.fields {
fields[field.Key] = field.Value
}
fields["value"] = c.value
pt, _ := stdinflux.NewPoint(c.key, tags, fields, time.Now())
c.bp.AddPoint(pt)
}
// This function makes a *client.Point for reporting on queries
func (pe *ponyExpress) queryPoint(statementID string, body []byte, statusCode int, responseTime time.Duration, addedTags map[string]string) *influx.Point {
tags := sumTags(pe.tags(statementID), addedTags)
fields := map[string]interface{}{
"status_code": statusCode,
"num_bytes": len(body),
"response_time_ns": responseTime.Nanoseconds(),
}
point, err := influx.NewPoint("query", tags, fields, time.Now())
if err != nil {
log.Fatalf("Error creating query results point\n error: %v\n", err)
}
return point
}
// This function makes a *client.Point for reporting on writes
func (pe *ponyExpress) writePoint(retries int, statementID string, statusCode int, responseTime time.Duration, addedTags map[string]string, writeBytes int) *influx.Point {
tags := sumTags(pe.tags(statementID), addedTags)
fields := map[string]interface{}{
"status_code": statusCode,
"response_time_ns": responseTime.Nanoseconds(),
"num_bytes": writeBytes,
}
point, err := influx.NewPoint("write", tags, fields, time.Now())
if err != nil {
log.Fatalf("Error creating write results point\n error: %v\n", err)
}
return point
}
func (self *InfluxdbStorage) AddStats(infotype string, measurement string, content interface{}) error {
if infotype == Infotypepacket {
//transfer interface into HttpTransaction
httpinstance, ok := content.(*metrics.HttpTransaction)
if !ok {
return errors.New("fail in transformation")
}
influxclient := self.Influxclient
//create bp point write bp point
bp, _ := influxpackage.NewBatchPoints(influxpackage.BatchPointsConfig{
Database: self.Database,
Precision: "us",
})
fields := map[string]interface{}{
"respondtime": httpinstance.Respondtime,
}
tags := map[string]string{
"Srcip": httpinstance.Srcip,
"Srcport": httpinstance.Srcport,
"Destip": httpinstance.Destip,
"Destport": httpinstance.Destport,
// problems in processing nesting problem
// "Requestdetail": httpinstance.Packetdetail.Requestdetail,
// "Responddetail": httpinstance.Packetdetail.Responddetail,
}
fmt.Println("**the measurement**", measurement)
point, err := influxpackage.NewPoint(measurement, tags, fields, time.Now())
if err != nil {
return err
}
fmt.Println("the point name:", point.Name())
bp.AddPoint(point)
influxclient.Write(bp)
}
//common metric info
if infotype == Infotypemetric {
}
return nil
}
// AddTags adds additional tags to the point held in Response and returns the point
func (resp Response) AddTags(newTags map[string]string) *influx.Point {
// Pull off the current tags
tags := resp.Point.Tags()
// Add the new tags to the current tags
for tag, tagValue := range newTags {
tags[tag] = tagValue
}
// Make a new point
pt, err := influx.NewPoint(resp.Point.Name(), tags, resp.Point.Fields(), resp.Point.Time())
// panic on error
if err != nil {
log.Fatalf("Error adding tags to response point\n point: %v\n tags:%v\n error: %v\n", resp.Point, newTags, err)
}
return pt
}
// WriteMetrics is called from a handler to write the eru and qos metrics to the
// influxdb database.
func WriteMetrics(eru, qos float64, trafficPattern string) error {
influxClient, err := createClient()
if err != nil {
log.Println("Error getting the HTTP client for Influx.")
return err
}
// After this function terminates, close the HTTP client connection.
defer influxClient.Close()
bp, _ := client.NewBatchPoints(client.BatchPointsConfig{
Database: databaseName,
// @TODO Does "s" make sense
Precision: "s",
})
tags := map[string]string{
"sm": scalingMethod,
"tp": trafficPattern,
"pit": podInitializationTime,
"ver": version,
}
fields := map[string]interface{}{
"eru": eru,
"qos": qos,
}
pt, err := client.NewPoint(PointName, tags, fields, time.Now())
if err != nil {
log.Println("Error creating the new point.")
return err
}
bp.AddPoint(pt)
return influxClient.Write(bp)
}
func Msg2Series(msgs []Message, database string) client.BatchPoints {
// Create a new point batch
bp, _ := client.NewBatchPoints(client.BatchPointsConfig{
Database: database,
Precision: "s",
})
for _, msg := range msgs {
if msg.Topic == "" && len(msg.Payload) == 0 {
break
}
tokens := strings.Split(msg.Topic, "/")
if len(tokens) < 2 {
break
}
j, err := MsgParse(msg.Payload)
if err != nil {
log.Warn(err)
continue
}
//name := strings.Replace(msg.Topic, "/", ".", -1)
name := strings.Join(tokens[1:], "_")
tags := map[string]string{
"device": tokens[0],
}
pt, err := client.NewPoint(name, tags, j, time.Now())
if err != nil {
break
}
bp.AddPoint(pt)
fmt.Printf("%+v\n", pt)
}
return bp
}
func (s *Stats) newPoint(name string, values ...interface{}) {
var fields map[string]interface{}
if len(values) == 1 {
fields = map[string]interface{}{name: values[0]}
} else if len(values)%2 == 0 {
fields = make(map[string]interface{})
for i := 0; i < len(values)/2; i++ {
fields[values[i*2].(string)] = values[i*2+1]
}
} else {
panic("invalid number of args")
}
pt, err := influx.NewPoint(
strings.Replace(name, "_", "-", -1),
map[string]string{},
fields,
time.Now(),
)
s.bp.AddPoint(pt)
if err != nil {
log.Error(err)
}
}
func StatisticHandler(c *gin.Context) {
if !conf.StatisticEnable {
return
}
now := time.Now()
c.Next()
clientData := getClientData(c)
if clientData == nil {
return
}
respTime := time.Now().Sub(now)
tags := map[string]string{
"node": conf.ClientAddr,
"app": clientData.AppKey,
}
fields := map[string]interface{}{
"status": getServiceStatus(c),
"error_code": getServiceErrorCode(c),
"ip": clientData.Ip,
"lang": clientData.Lang,
"os": clientData.OSType,
"osv": clientData.OSVersion,
"appv": clientData.AppVersion,
"deviceid": clientData.DeviceId,
"resp_time": int(respTime / microSecondUnit),
}
p, _ := influx.NewPoint("client_request", tags, fields, now)
select {
case statisticCh <- p:
default:
log.Println("failed to send influx point to channel")
}
}
func Crawl(searchUrl string, depth int, fetcher Fetcher, redisClient *redis.Client, influxClient influx.Client) {
throttle <- 1
if depth <= 0 {
return
}
fmt.Printf("Depth: %d Crawling: %s\n", depth, searchUrl)
bp, _ := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: "crawler",
Precision: "s",
})
host, err := url.Parse(searchUrl)
// Send this to our redis queue for indexing
if err != nil {
redisClient.LPush("unknown_url_crawler_queue", searchUrl)
} else {
redisClient.LPush(host.Host+"_crawler_queue", searchUrl)
}
urlcache.lock.Lock()
urlcache.m[searchUrl] = crawlError
urlcache.lock.Unlock()
// let's determine how long it is taking to fetch all urls on a page
startFetch := time.Now()
urls, err := fetcher.Fetch(searchUrl)
crawlTime := time.Since(startFetch)
if err != nil {
fmt.Printf("Error fetching results from %s: %s\n", searchUrl, err.Error())
} else {
fmt.Printf("Finished crawling %s in %.2f seconds\n", searchUrl, crawlTime.Seconds())
}
tags := map[string]string{
"domain": host.String(),
}
fields := map[string]interface{}{
"urls_found": len(urls),
"crawl_time": crawlTime.Nanoseconds(),
"total_urls_crawled": len(urlcache.m),
"urls_by_page": len(urls),
}
point, _ := influx.NewPoint(
"crawl_usage",
tags,
fields,
time.Now(),
)
// add data point to influx
bp.AddPoint(point)
if err := influxClient.Write(bp); err != nil {
log.Printf("Unable to write batch point to influxdb: %s\n", err.Error())
}
var wg sync.WaitGroup
for _, u := range urls {
if !urlTest.MatchString(u) {
u = "http://" + host.Host + u
}
urlcache.lock.Lock()
_, crawled := urlcache.m[u]
urlcache.lock.Unlock()
if validURL.MatchString(u) && urlTest.MatchString(u) && !crawled {
wg.Add(1)
go func(u string, depth int, fetcher Fetcher, redisClient *redis.Client, influxClient influx.Client) {
defer wg.Done()
Crawl(u, depth-1, fetcher, redisClient, influxClient)
}(u, depth, fetcher, redisClient, influxClient)
}
}
<-throttle
wg.Wait()
}
func calcCacheValues(trafmonData []byte, cdnName string, sampleTime int64, cacheMap map[string]traffic_ops.Server, config StartupConfig) error {
type CacheStatsJSON struct {
Pp string `json:"pp"`
Date string `json:"date"`
Caches map[string]map[string][]struct {
Index uint64 `json:"index"`
Time int `json:"time"`
Value string `json:"value"`
Span uint64 `json:"span"`
} `json:"caches"`
}
var jData CacheStatsJSON
err := json.Unmarshal(trafmonData, &jData)
if err != nil {
return fmt.Errorf("could not unmarshall cache stats JSON - %v", err)
}
statCount := 0
bps, err := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: "cache_stats",
Precision: "ms",
RetentionPolicy: config.CacheRetentionPolicy,
})
if err != nil {
errHndlr(err, ERROR)
}
for cacheName, cacheData := range jData.Caches {
cache := cacheMap[cacheName]
for statName, statData := range cacheData {
dataKey := statName
dataKey = strings.Replace(dataKey, ".bandwidth", ".kbps", 1)
dataKey = strings.Replace(dataKey, "-", "_", -1)
//Get the stat time and convert to epoch
statTime := strconv.Itoa(statData[0].Time)
msInt, err := strconv.ParseInt(statTime, 10, 64)
if err != nil {
errHndlr(err, ERROR)
}
newTime := time.Unix(0, msInt*int64(time.Millisecond))
//Get the stat value and convert to float
statValue := statData[0].Value
statFloatValue, err := strconv.ParseFloat(statValue, 64)
if err != nil {
statFloatValue = 0.00
}
tags := map[string]string{
"cachegroup": cache.Cachegroup,
"hostname": cacheName,
"cdn": cdnName,
"type": cache.Type,
}
fields := map[string]interface{}{
"value": statFloatValue,
}
pt, err := influx.NewPoint(
dataKey,
tags,
fields,
newTime,
)
if err != nil {
errHndlr(err, ERROR)
continue
}
bps.AddPoint(pt)
statCount++
}
}
config.BpsChan <- bps
log.Info("Collected ", statCount, " cache stats values for ", cdnName, " @ ", sampleTime)
return nil
}
/* the ds json looks like:
{
"deliveryService": {
"linear-gbr-hls-sbr": {
" .us-ma-woburn.kbps": [{
"index": 520281,
"time": 1398893383605,
"value": "0",
"span": 520024
}],
"location.us-de-newcastle.kbps": [{
"index": 520281,
"time": 1398893383605,
"value": "0",
"span": 517707
}],
}
}
*/
func calcDsValues(rascalData []byte, cdnName string, sampleTime int64, config StartupConfig) error {
type DsStatsJSON struct {
Pp string `json:"pp"`
Date string `json:"date"`
DeliveryService map[string]map[string][]struct {
Index uint64 `json:"index"`
Time int `json:"time"`
Value string `json:"value"`
Span uint64 `json:"span"`
} `json:"deliveryService"`
}
var jData DsStatsJSON
err := json.Unmarshal(rascalData, &jData)
if err != nil {
return fmt.Errorf("could not unmarshall deliveryservice stats JSON - %v", err)
}
statCount := 0
bps, _ := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: "deliveryservice_stats",
Precision: "ms",
RetentionPolicy: config.DsRetentionPolicy,
})
for dsName, dsData := range jData.DeliveryService {
for dsMetric, dsMetricData := range dsData {
var cachegroup, statName string
tags := map[string]string{
"deliveryservice": dsName,
"cdn": cdnName,
}
s := strings.Split(dsMetric, ".")
if strings.Contains(dsMetric, "type.") {
cachegroup = "all"
statName = s[2]
tags["type"] = s[1]
} else if strings.Contains(dsMetric, "total.") {
cachegroup, statName = s[0], s[1]
} else {
cachegroup, statName = s[1], s[2]
}
tags["cachegroup"] = cachegroup
//convert stat time to epoch
statTime := strconv.Itoa(dsMetricData[0].Time)
msInt, err := strconv.ParseInt(statTime, 10, 64)
if err != nil {
errHndlr(err, ERROR)
}
newTime := time.Unix(0, msInt*int64(time.Millisecond))
//convert stat value to float
statValue := dsMetricData[0].Value
statFloatValue, err := strconv.ParseFloat(statValue, 64)
if err != nil {
statFloatValue = 0.0
}
fields := map[string]interface{}{
"value": statFloatValue,
}
pt, err := influx.NewPoint(
statName,
tags,
fields,
newTime,
)
if err != nil {
errHndlr(err, ERROR)
continue
}
bps.AddPoint(pt)
statCount++
}
}
config.BpsChan <- bps
log.Info("Collected ", statCount, " deliveryservice stats values for ", cdnName, " @ ", sampleTime)
return nil
}
func calcDailySummary(now time.Time, config StartupConfig, runningConfig RunningConfig) {
log.Infof("lastSummaryTime is %v", runningConfig.LastSummaryTime)
if runningConfig.LastSummaryTime.Day() != now.Day() {
startTime := now.Truncate(24 * time.Hour).Add(-24 * time.Hour)
endTime := startTime.Add(24 * time.Hour)
log.Info("Summarizing from ", startTime, " (", startTime.Unix(), ") to ", endTime, " (", endTime.Unix(), ")")
// influx connection
influxClient, err := influxConnect(config, runningConfig)
if err != nil {
log.Error("Could not connect to InfluxDb to get daily summary stats!!")
errHndlr(err, ERROR)
return
}
//create influxdb query
q := fmt.Sprintf("SELECT sum(value)/6 FROM bandwidth where time > '%s' and time < '%s' group by time(60s), cdn fill(0)", startTime.Format(time.RFC3339), endTime.Format(time.RFC3339))
log.Infof(q)
res, err := queryDB(influxClient, q, "cache_stats")
if err != nil {
errHndlr(err, ERROR)
return
}
bp, _ := influx.NewBatchPoints(influx.BatchPointsConfig{
Database: "daily_stats",
Precision: "s",
RetentionPolicy: config.DailySummaryRetentionPolicy,
})
for _, row := range res[0].Series {
prevtime := startTime
max := float64(0)
bytesServed := float64(0)
cdn := row.Tags["cdn"]
for _, record := range row.Values {
kbps, err := record[1].(json.Number).Float64()
if err != nil {
errHndlr(err, ERROR)
continue
}
sampleTime, err := time.Parse(time.RFC3339, record[0].(string))
if err != nil {
errHndlr(err, ERROR)
continue
}
max = floatMax(max, kbps)
duration := sampleTime.Unix() - prevtime.Unix()
bytesServed += float64(duration) * kbps / 8
prevtime = sampleTime
}
maxGbps := max / 1000000
bytesServedTb := bytesServed / 1000000000
log.Infof("max gbps for cdn %v = %v", cdn, maxGbps)
log.Infof("Tbytes served for cdn %v = %v", cdn, bytesServedTb)
//write daily_maxgbps in traffic_ops
var statsSummary traffic_ops.StatsSummary
statsSummary.CDNName = cdn
statsSummary.DeliveryService = "all"
statsSummary.StatName = "daily_maxgbps"
statsSummary.StatValue = strconv.FormatFloat(maxGbps, 'f', 2, 64)
statsSummary.SummaryTime = now.Format(time.RFC3339)
statsSummary.StatDate = startTime.Format("2006-01-02")
go writeSummaryStats(config, statsSummary)
tags := map[string]string{
"deliveryservice": statsSummary.DeliveryService,
"cdn": statsSummary.CDNName,
}
fields := map[string]interface{}{
"value": maxGbps,
}
pt, err := influx.NewPoint(
statsSummary.StatName,
tags,
fields,
startTime,
)
if err != nil {
errHndlr(err, ERROR)
continue
}
bp.AddPoint(pt)
// write bytes served data to traffic_ops
statsSummary.StatName = "daily_bytesserved"
statsSummary.StatValue = strconv.FormatFloat(bytesServedTb, 'f', 2, 64)
go writeSummaryStats(config, statsSummary)
fields = map[string]interface{}{
"value": bytesServedTb,
}
pt, err = influx.NewPoint(
statsSummary.StatName,
tags,
fields,
startTime,
)
if err != nil {
errHndlr(err, ERROR)
continue
}
bp.AddPoint(pt)
}
config.BpsChan <- bp
log.Info("Collected daily stats @ ", now)
}
}
// NewSender returns a function that will accept datapoints to send to influxdb
func NewSender(
config interface{},
batch client.BatchPointsConfig,
batchSize int,
queueSize int,
flush int,
errFunc func(error),
) (Sender, error) {
if batchSize <= 0 {
batchSize = DefaultBatchSize
}
if queueSize <= 0 {
queueSize = DefaultQueueSize
}
if flush <= 0 {
flush = DefaultFlush
}
var conn client.Client
var err error
switch conf := config.(type) {
case client.HTTPConfig:
conn, err = client.NewHTTPClient(conf)
if err != nil {
return nil, errors.Wrap(err, "error creating HTTPClient")
}
_, _, err = conn.Ping(conf.Timeout)
if err != nil {
return nil, fmt.Errorf("cannot ping influxdb server: %s", conf.Addr)
}
if err := dbCheck(conn, batch.Database); err != nil {
return nil, errors.Wrapf(err, "check for database %s failed", batch.Database)
}
case client.UDPConfig:
conn, err = client.NewUDPClient(conf)
if err != nil {
return nil, errors.Wrap(err, "error creating UDPClient")
}
}
pts := make(chan *client.Point, queueSize)
bp, err := client.NewBatchPoints(batch)
if err != nil {
return nil, errors.Wrap(err, "batchpoints error")
}
go func() {
delay := time.Duration(flush) * time.Second
tick := time.Tick(delay)
count := 0
for {
select {
case p := <-pts:
bp.AddPoint(p)
count++
if count < batchSize {
continue
}
case <-tick:
if len(bp.Points()) == 0 {
continue
}
}
for {
if err := conn.Write(bp); err != nil {
if errFunc != nil {
errFunc(err)
}
time.Sleep(retry)
continue
}
bp, _ = client.NewBatchPoints(batch)
count = 0
break
}
}
}()
return func(key string, tags map[string]string, fields map[string]interface{}, ts time.Time) error {
pt, err := client.NewPoint(key, tags, fields, ts)
if err != nil {
return err
}
pts <- pt
return nil
}, nil
}